3d.js

(function webpackUniversalModuleDefinition(root, factory) {
	if(typeof exports === 'object' && typeof module === 'object')
		module.exports = factory(require("react"), require("react/addons"));
	else if(typeof define === 'function' && define.amd)
		define(["react", "react/addons"], factory);
	else if(typeof exports === 'object')
		exports["Highcharts"] = factory(require("react"), require("react/addons"));
	else
		root["Highcharts"] = factory(root["react"], root["react/addons"]);
})(this, function(__WEBPACK_EXTERNAL_MODULE_4__, __WEBPACK_EXTERNAL_MODULE_5__) {
return /******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};

/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {

/******/ 		// Check if module is in cache
/******/ 		if(installedModules[moduleId])
/******/ 			return installedModules[moduleId].exports;

/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = installedModules[moduleId] = {
/******/ 			exports: {},
/******/ 			id: moduleId,
/******/ 			loaded: false
/******/ 		};

/******/ 		// Execute the module function
/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);

/******/ 		// Flag the module as loaded
/******/ 		module.loaded = true;

/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}


/******/ 	// expose the modules object (__webpack_modules__)
/******/ 	__webpack_require__.m = modules;

/******/ 	// expose the module cache
/******/ 	__webpack_require__.c = installedModules;

/******/ 	// __webpack_public_path__
/******/ 	__webpack_require__.p = "";

/******/ 	// Load entry module and return exports
/******/ 	return __webpack_require__(0);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ function(module, exports, __webpack_require__) {

	module.exports = __webpack_require__(1);
	__webpack_require__(7);

/***/ },
/* 1 */
/***/ function(module, exports, __webpack_require__) {

	/* WEBPACK VAR INJECTION */(function(global) {global.HighchartsAdapter = __webpack_require__(2);
	var Highcharts = __webpack_require__(3);
	var React = __webpack_require__(4);
	var update = __webpack_require__(5).addons.update;
	module.exports = React.createClass({
	  displayName: 'Highcharts',

	  renderChart: function () {
	    if (!this.props.config) {
	      throw new Error('Config has to be specified, for the Highchart component');
	    }

	    var config = this.props.config;
	    var series = this.props.series;
	    var node = this.refs.chart.getDOMNode();

	    if (!config.chart) {
	      config = update(config, {chart: {$set: {}}})
	    }

	    config = update(config, {series: {$set: series}, chart: {renderTo: {$set: node}}});

	    this.chart = new Highcharts.Chart(config);
	  },

	  updateChart: function() {
	    var series = this.props.series;
	     for (var i = 0; i < series.length; i++) {
	       this.chart.series[i].setData(series[i].data);
	     }
	  },

	  componentDidMount: function () {
	    this.renderChart();
	  },

	  componentDidUpdate: function () {
	    this.updateChart();
	  },

	  render: function () {
	    return React.createElement("div", {className: "chart", ref: "chart"})
	  }
	});

	module.exports.Highcharts = Highcharts;
	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))

/***/ },
/* 2 */
/***/ function(module, exports, __webpack_require__) {

	/**
	 * @license @product.name@ JS v@product.version@ (@product.date@)
	 *
	 * Standalone Highcharts Framework
	 *
	 * License: MIT License
	 */


	/*global Highcharts */
	var HighchartsAdapter = (function () {

	var UNDEFINED,
		doc = document,
		emptyArray = [],
		timers = [],
		timerId,
		animSetters = {},
		Fx;

	Math.easeInOutSine = function (t, b, c, d) {
		return -c / 2 * (Math.cos(Math.PI * t / d) - 1) + b;
	};



	/**
	 * Extend given object with custom events
	 */
	function augment(obj) {
		function removeOneEvent(el, type, fn) {
			el.removeEventListener(type, fn, false);
		}

		function IERemoveOneEvent(el, type, fn) {
			fn = el.HCProxiedMethods[fn.toString()];
			el.detachEvent('on' + type, fn);
		}

		function removeAllEvents(el, type) {
			var events = el.HCEvents,
				remove,
				types,
				len,
				n;

			if (el.removeEventListener) {
				remove = removeOneEvent;
			} else if (el.attachEvent) {
				remove = IERemoveOneEvent;
			} else {
				return; // break on non-DOM events
			}


			if (type) {
				types = {};
				types[type] = true;
			} else {
				types = events;
			}

			for (n in types) {
				if (events[n]) {
					len = events[n].length;
					while (len--) {
						remove(el, n, events[n][len]);
					}
				}
			}
		}

		if (!obj.HCExtended) {
			Highcharts.extend(obj, {
				HCExtended: true,

				HCEvents: {},

				bind: function (name, fn) {
					var el = this,
						events = this.HCEvents,
						wrappedFn;

					// handle DOM events in modern browsers
					if (el.addEventListener) {
						el.addEventListener(name, fn, false);

					// handle old IE implementation
					} else if (el.attachEvent) {
						
						wrappedFn = function (e) {
							e.target = e.srcElement || window; // #2820
							fn.call(el, e);
						};

						if (!el.HCProxiedMethods) {
							el.HCProxiedMethods = {};
						}

						// link wrapped fn with original fn, so we can get this in removeEvent
						el.HCProxiedMethods[fn.toString()] = wrappedFn;

						el.attachEvent('on' + name, wrappedFn);
					}


					if (events[name] === UNDEFINED) {
						events[name] = [];
					}

					events[name].push(fn);
				},

				unbind: function (name, fn) {
					var events,
						index;

					if (name) {
						events = this.HCEvents[name] || [];
						if (fn) {
							index = HighchartsAdapter.inArray(fn, events);
							if (index > -1) {
								events.splice(index, 1);
								this.HCEvents[name] = events;
							}
							if (this.removeEventListener) {
								removeOneEvent(this, name, fn);
							} else if (this.attachEvent) {
								IERemoveOneEvent(this, name, fn);
							}
						} else {
							removeAllEvents(this, name);
							this.HCEvents[name] = [];
						}
					} else {
						removeAllEvents(this);
						this.HCEvents = {};
					}
				},

				trigger: function (name, args) {
					var events = this.HCEvents[name] || [],
						target = this,
						len = events.length,
						i,
						preventDefault,
						fn;

					// Attach a simple preventDefault function to skip default handler if called
					preventDefault = function () {
						args.defaultPrevented = true;
					};
					
					for (i = 0; i < len; i++) {
						fn = events[i];

						// args is never null here
						if (args.stopped) {
							return;
						}

						args.preventDefault = preventDefault;
						args.target = target;

						// If the type is not set, we're running a custom event (#2297). If it is set,
						// we're running a browser event, and setting it will cause en error in
						// IE8 (#2465).
						if (!args.type) {
							args.type = name;
						}
						

						
						// If the event handler return false, prevent the default handler from executing
						if (fn.call(this, args) === false) {
							args.preventDefault();
						}
					}
				}
			});
		}

		return obj;
	}


	return {

		/**
		 * Initialize the adapter. This is run once as Highcharts is first run.
		 */
		init: function (pathAnim) {

			/**
			 * Compatibility section to add support for legacy IE. This can be removed if old IE 
			 * support is not needed.
			 */
			if (!doc.defaultView) {
				this._getStyle = function (el, prop) {
					var val;
					if (el.style[prop]) {
						return el.style[prop];
					} else {
						if (prop === 'opacity') {
							prop = 'filter';
						}
						/*jslint unparam: true*/
						val = el.currentStyle[prop.replace(/\-(\w)/g, function (a, b) { return b.toUpperCase(); })];
						if (prop === 'filter') {
							val = val.replace(
								/alpha\(opacity=([0-9]+)\)/, 
								function (a, b) { 
									return b / 100; 
								}
							);
						}
						/*jslint unparam: false*/
						return val === '' ? 1 : val;
					} 
				};
				this.adapterRun = function (elem, method) {
					var alias = { width: 'clientWidth', height: 'clientHeight' }[method];

					if (alias) {
						elem.style.zoom = 1;
						return elem[alias] - 2 * parseInt(HighchartsAdapter._getStyle(elem, 'padding'), 10);
					}
				};
			}

			if (!Array.prototype.forEach) {
				this.each = function (arr, fn) { // legacy
					var i = 0, 
						len = arr.length;
					for (; i < len; i++) {
						if (fn.call(arr[i], arr[i], i, arr) === false) {
							return i;
						}
					}
				};
			}

			if (!Array.prototype.indexOf) {
				this.inArray = function (item, arr) {
					var len, 
						i = 0;

					if (arr) {
						len = arr.length;
						
						for (; i < len; i++) {
							if (arr[i] === item) {
								return i;
							}
						}
					}

					return -1;
				};
			}

			if (!Array.prototype.filter) {
				this.grep = function (elements, callback) {
					var ret = [],
						i = 0,
						length = elements.length;

					for (; i < length; i++) {
						if (!!callback(elements[i], i)) {
							ret.push(elements[i]);
						}
					}

					return ret;
				};
			}

			//--- End compatibility section ---


			/**
			 * Start of animation specific code
			 */
			Fx = function (elem, options, prop) {
				this.options = options;
				this.elem = elem;
				this.prop = prop;
			};
			Fx.prototype = {
				
				update: function () {
					var styles,
						paths = this.paths,
						elem = this.elem,
						elemelem = elem.element; // if destroyed, it is null

					// Animation setter defined from outside
					if (animSetters[this.prop]) {
						animSetters[this.prop](this);

					// Animating a path definition on SVGElement
					} else if (paths && elemelem) {
						elem.attr('d', pathAnim.step(paths[0], paths[1], this.now, this.toD));

					// Other animations on SVGElement
					} else if (elem.attr) {
						if (elemelem) {
							elem.attr(this.prop, this.now);
						}

					// HTML styles
					} else {
						styles = {};
						styles[this.prop] = this.now + this.unit;
						Highcharts.css(elem, styles);
					}
					
					if (this.options.step) {
						this.options.step.call(this.elem, this.now, this);
					}

				},
				custom: function (from, to, unit) {
					var self = this,
						t = function (gotoEnd) {
							return self.step(gotoEnd);
						},
						i;

					this.startTime = +new Date();
					this.start = from;
					this.end = to;
					this.unit = unit;
					this.now = this.start;
					this.pos = this.state = 0;

					t.elem = this.elem;

					if (t() && timers.push(t) === 1) {
						timerId = setInterval(function () {
							
							for (i = 0; i < timers.length; i++) {
								if (!timers[i]()) {
									timers.splice(i--, 1);
								}
							}

							if (!timers.length) {
								clearInterval(timerId);
							}
						}, 13);
					}
				},
				
				step: function (gotoEnd) {
					var t = +new Date(),
						ret,
						done,
						options = this.options,
						elem = this.elem,
						i;
					
					if (elem.stopAnimation || (elem.attr && !elem.element)) { // #2616, element including flag is destroyed
						ret = false;

					} else if (gotoEnd || t >= options.duration + this.startTime) {
						this.now = this.end;
						this.pos = this.state = 1;
						this.update();

						this.options.curAnim[this.prop] = true;

						done = true;
						for (i in options.curAnim) {
							if (options.curAnim[i] !== true) {
								done = false;
							}
						}

						if (done) {
							if (options.complete) {
								options.complete.call(elem);
							}
						}
						ret = false;

					} else {
						var n = t - this.startTime;
						this.state = n / options.duration;
						this.pos = options.easing(n, 0, 1, options.duration);
						this.now = this.start + ((this.end - this.start) * this.pos);
						this.update();
						ret = true;
					}
					return ret;
				}
			};

			/**
			 * The adapter animate method
			 */
			this.animate = function (el, prop, opt) {
				var start,
					unit = '',
					end,
					fx,
					args,
					name;

				el.stopAnimation = false; // ready for new

				if (typeof opt !== 'object' || opt === null) {
					args = arguments;
					opt = {
						duration: args[2],
						easing: args[3],
						complete: args[4]
					};
				}
				if (typeof opt.duration !== 'number') {
					opt.duration = 400;
				}
				opt.easing = Math[opt.easing] || Math.easeInOutSine;
				opt.curAnim = Highcharts.extend({}, prop);
				
				for (name in prop) {
					fx = new Fx(el, opt, name);
					end = null;
					
					if (name === 'd') {
						fx.paths = pathAnim.init(
							el,
							el.d,
							prop.d
						);
						fx.toD = prop.d;
						start = 0;
						end = 1;
					} else if (el.attr) {
						start = el.attr(name);
					} else {
						start = parseFloat(HighchartsAdapter._getStyle(el, name)) || 0;
						if (name !== 'opacity') {
							unit = 'px';
						}
					}
		
					if (!end) {
						end = prop[name];
					}
					fx.custom(start, end, unit);
				}	
			};
		},

		/**
		 * Internal method to return CSS value for given element and property
		 */
		_getStyle: function (el, prop) {
			return window.getComputedStyle(el, undefined).getPropertyValue(prop);
		},

		/**
		 * Add an animation setter for a specific property
		 */
		addAnimSetter: function (prop, fn) {
			animSetters[prop] = fn;
		},

		/**
		 * Downloads a script and executes a callback when done.
		 * @param {String} scriptLocation
		 * @param {Function} callback
		 */
		getScript: function (scriptLocation, callback) {
			// We cannot assume that Assets class from mootools-more is available so instead insert a script tag to download script.
			var head = doc.getElementsByTagName('head')[0],
				script = doc.createElement('script');

			script.type = 'text/javascript';
			script.src = scriptLocation;
			script.onload = callback;

			head.appendChild(script);
		},

		/**
		 * Return the index of an item in an array, or -1 if not found
		 */
		inArray: function (item, arr) {
			return arr.indexOf ? arr.indexOf(item) : emptyArray.indexOf.call(arr, item);
		},


		/**
		 * A direct link to adapter methods
		 */
		adapterRun: function (elem, method) {
			return parseInt(HighchartsAdapter._getStyle(elem, method), 10);
		},

		/**
		 * Filter an array
		 */
		grep: function (elements, callback) {
			return emptyArray.filter.call(elements, callback);
		},

		/**
		 * Map an array
		 */
		map: function (arr, fn) {
			var results = [], i = 0, len = arr.length;

			for (; i < len; i++) {
				results[i] = fn.call(arr[i], arr[i], i, arr);
			}

			return results;
		},

		/**
		 * Get the element's offset position, corrected by overflow:auto. Loosely based on jQuery's offset method.
		 */
		offset: function (el) {
			var docElem = document.documentElement,
				box = el.getBoundingClientRect();

			return {
				top: box.top  + (window.pageYOffset || docElem.scrollTop)  - (docElem.clientTop  || 0),
				left: box.left + (window.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)
			};
		},

		/**
		 * Add an event listener
		 */
		addEvent: function (el, type, fn) {
			augment(el).bind(type, fn);
		},

		/**
		 * Remove event added with addEvent
		 */
		removeEvent: function (el, type, fn) {
			augment(el).unbind(type, fn);
		},

		/**
		 * Fire an event on a custom object
		 */
		fireEvent: function (el, type, eventArguments, defaultFunction) {
			var e;

			if (doc.createEvent && (el.dispatchEvent || el.fireEvent)) {
				e = doc.createEvent('Events');
				e.initEvent(type, true, true);
				e.target = el;

				Highcharts.extend(e, eventArguments);

				if (el.dispatchEvent) {
					el.dispatchEvent(e);
				} else {
					el.fireEvent(type, e);
				}

			} else if (el.HCExtended === true) {
				eventArguments = eventArguments || {};
				el.trigger(type, eventArguments);
			}

			if (eventArguments && eventArguments.defaultPrevented) {
				defaultFunction = null;
			}

			if (defaultFunction) {
				defaultFunction(eventArguments);
			}
		},

		washMouseEvent: function (e) {
			return e;
		},


		/**
		 * Stop running animation
		 */
		stop: function (el) {
			el.stopAnimation = true;
		},

		/**
		 * Utility for iterating over an array. Parameters are reversed compared to jQuery.
		 * @param {Array} arr
		 * @param {Function} fn
		 */
		each: function (arr, fn) { // modern browsers
			return Array.prototype.forEach.call(arr, fn);
		}
	};
	}());


	/*** EXPORTS FROM exports-loader ***/
	module.exports = HighchartsAdapter

/***/ },
/* 3 */
/***/ function(module, exports, __webpack_require__) {

	// ==ClosureCompiler==
	// @compilation_level SIMPLE_OPTIMIZATIONS

	/**
	 * @license Highcharts JS v4.1.5-modified ()
	 *
	 * (c) 2009-2014 Torstein Honsi
	 *
	 * License: www.highcharts.com/license
	 */

	// JSLint options:
	/*global Highcharts, HighchartsAdapter, document, window, navigator, setInterval, clearInterval, clearTimeout, setTimeout, location, jQuery, $, console, each, grep */
	/*jslint ass: true, sloppy: true, forin: true, plusplus: true, nomen: true, vars: true, regexp: true, newcap: true, browser: true, continue: true, white: true */
	(function () {
	// encapsulated variables
	var UNDEFINED,
		doc = document,
		win = window,
		math = Math,
		mathRound = math.round,
		mathFloor = math.floor,
		mathCeil = math.ceil,
		mathMax = math.max,
		mathMin = math.min,
		mathAbs = math.abs,
		mathCos = math.cos,
		mathSin = math.sin,
		mathPI = math.PI,
		deg2rad = mathPI * 2 / 360,


		// some variables
		userAgent = navigator.userAgent,
		isOpera = win.opera,
		isIE = /(msie|trident)/i.test(userAgent) && !isOpera,
		docMode8 = doc.documentMode === 8,
		isWebKit = /AppleWebKit/.test(userAgent),
		isFirefox = /Firefox/.test(userAgent),
		isTouchDevice = /(Mobile|Android|Windows Phone)/.test(userAgent),
		SVG_NS = 'http://www.w3.org/2000/svg',
		hasSVG = !!doc.createElementNS && !!doc.createElementNS(SVG_NS, 'svg').createSVGRect,
		hasBidiBug = isFirefox && parseInt(userAgent.split('Firefox/')[1], 10) < 4, // issue #38
		useCanVG = !hasSVG && !isIE && !!doc.createElement('canvas').getContext,
		Renderer,
		hasTouch,
		symbolSizes = {},
		idCounter = 0,
		garbageBin,
		defaultOptions,
		dateFormat, // function
		globalAnimation,
		pathAnim,
		timeUnits,
		noop = function () { return UNDEFINED; },
		charts = [],
		chartCount = 0,
		PRODUCT = 'Highcharts',
		VERSION = '4.1.5-modified',

		// some constants for frequently used strings
		DIV = 'div',
		ABSOLUTE = 'absolute',
		RELATIVE = 'relative',
		HIDDEN = 'hidden',
		PREFIX = 'highcharts-',
		VISIBLE = 'visible',
		PX = 'px',
		NONE = 'none',
		M = 'M',
		L = 'L',
		numRegex = /^[0-9]+$/,
		NORMAL_STATE = '',
		HOVER_STATE = 'hover',
		SELECT_STATE = 'select',
		marginNames = ['plotTop', 'marginRight', 'marginBottom', 'plotLeft'],
		
		// Object for extending Axis
		AxisPlotLineOrBandExtension,

		// constants for attributes
		STROKE_WIDTH = 'stroke-width',

		// time methods, changed based on whether or not UTC is used
		Date,  // Allow using a different Date class
		makeTime,
		timezoneOffset,
		getTimezoneOffset,
		getMinutes,
		getHours,
		getDay,
		getDate,
		getMonth,
		getFullYear,
		setMilliseconds,
		setSeconds,
		setMinutes,
		setHours,
		setDate,
		setMonth,
		setFullYear,


		// lookup over the types and the associated classes
		seriesTypes = {},
		Highcharts;

	// The Highcharts namespace
	Highcharts = win.Highcharts = win.Highcharts ? error(16, true) : {};

	Highcharts.seriesTypes = seriesTypes;

	/**
	 * Extend an object with the members of another
	 * @param {Object} a The object to be extended
	 * @param {Object} b The object to add to the first one
	 */
	var extend = Highcharts.extend = function (a, b) {
		var n;
		if (!a) {
			a = {};
		}
		for (n in b) {
			a[n] = b[n];
		}
		return a;
	};
		
	/**
	 * Deep merge two or more objects and return a third object. If the first argument is
	 * true, the contents of the second object is copied into the first object.
	 * Previously this function redirected to jQuery.extend(true), but this had two limitations.
	 * First, it deep merged arrays, which lead to workarounds in Highcharts. Second,
	 * it copied properties from extended prototypes. 
	 */
	function merge() {
		var i,
			args = arguments,
			len,
			ret = {},
			doCopy = function (copy, original) {
				var value, key;

				// An object is replacing a primitive
				if (typeof copy !== 'object') {
					copy = {};
				}

				for (key in original) {
					if (original.hasOwnProperty(key)) {
						value = original[key];

						// Copy the contents of objects, but not arrays or DOM nodes
						if (value && typeof value === 'object' && Object.prototype.toString.call(value) !== '[object Array]' &&
								key !== 'renderTo' && typeof value.nodeType !== 'number') {
							copy[key] = doCopy(copy[key] || {}, value);
					
						// Primitives and arrays are copied over directly
						} else {
							copy[key] = original[key];
						}
					}
				}
				return copy;
			};

		// If first argument is true, copy into the existing object. Used in setOptions.
		if (args[0] === true) {
			ret = args[1];
			args = Array.prototype.slice.call(args, 2);
		}

		// For each argument, extend the return
		len = args.length;
		for (i = 0; i < len; i++) {
			ret = doCopy(ret, args[i]);
		}

		return ret;
	}

	/**
	 * Shortcut for parseInt
	 * @param {Object} s
	 * @param {Number} mag Magnitude
	 */
	function pInt(s, mag) {
		return parseInt(s, mag || 10);
	}

	/**
	 * Check for string
	 * @param {Object} s
	 */
	function isString(s) {
		return typeof s === 'string';
	}

	/**
	 * Check for object
	 * @param {Object} obj
	 */
	function isObject(obj) {
		return obj && typeof obj === 'object';
	}

	/**
	 * Check for array
	 * @param {Object} obj
	 */
	function isArray(obj) {
		return Object.prototype.toString.call(obj) === '[object Array]';
	}

	/**
	 * Check for number
	 * @param {Object} n
	 */
	function isNumber(n) {
		return typeof n === 'number';
	}

	function log2lin(num) {
		return math.log(num) / math.LN10;
	}
	function lin2log(num) {
		return math.pow(10, num);
	}

	/**
	 * Remove last occurence of an item from an array
	 * @param {Array} arr
	 * @param {Mixed} item
	 */
	function erase(arr, item) {
		var i = arr.length;
		while (i--) {
			if (arr[i] === item) {
				arr.splice(i, 1);
				break;
			}
		}
		//return arr;
	}

	/**
	 * Returns true if the object is not null or undefined. Like MooTools' $.defined.
	 * @param {Object} obj
	 */
	function defined(obj) {
		return obj !== UNDEFINED && obj !== null;
	}

	/**
	 * Set or get an attribute or an object of attributes. Can't use jQuery attr because
	 * it attempts to set expando properties on the SVG element, which is not allowed.
	 *
	 * @param {Object} elem The DOM element to receive the attribute(s)
	 * @param {String|Object} prop The property or an abject of key-value pairs
	 * @param {String} value The value if a single property is set
	 */
	function attr(elem, prop, value) {
		var key,
			ret;

		// if the prop is a string
		if (isString(prop)) {
			// set the value
			if (defined(value)) {
				elem.setAttribute(prop, value);

			// get the value
			} else if (elem && elem.getAttribute) { // elem not defined when printing pie demo...
				ret = elem.getAttribute(prop);
			}

		// else if prop is defined, it is a hash of key/value pairs
		} else if (defined(prop) && isObject(prop)) {
			for (key in prop) {
				elem.setAttribute(key, prop[key]);
			}
		}
		return ret;
	}
	/**
	 * Check if an element is an array, and if not, make it into an array. Like
	 * MooTools' $.splat.
	 */
	function splat(obj) {
		return isArray(obj) ? obj : [obj];
	}


	/**
	 * Return the first value that is defined. Like MooTools' $.pick.
	 */
	var pick = Highcharts.pick = function () {
		var args = arguments,
			i,
			arg,
			length = args.length;
		for (i = 0; i < length; i++) {
			arg = args[i];
			if (arg !== UNDEFINED && arg !== null) {
				return arg;
			}
		}
	};

	/**
	 * Set CSS on a given element
	 * @param {Object} el
	 * @param {Object} styles Style object with camel case property names
	 */
	function css(el, styles) {
		if (isIE && !hasSVG) { // #2686
			if (styles && styles.opacity !== UNDEFINED) {
				styles.filter = 'alpha(opacity=' + (styles.opacity * 100) + ')';
			}
		}
		extend(el.style, styles);
	}

	/**
	 * Utility function to create element with attributes and styles
	 * @param {Object} tag
	 * @param {Object} attribs
	 * @param {Object} styles
	 * @param {Object} parent
	 * @param {Object} nopad
	 */
	function createElement(tag, attribs, styles, parent, nopad) {
		var el = doc.createElement(tag);
		if (attribs) {
			extend(el, attribs);
		}
		if (nopad) {
			css(el, {padding: 0, border: NONE, margin: 0});
		}
		if (styles) {
			css(el, styles);
		}
		if (parent) {
			parent.appendChild(el);
		}
		return el;
	}

	/**
	 * Extend a prototyped class by new members
	 * @param {Object} parent
	 * @param {Object} members
	 */
	function extendClass(parent, members) {
		var object = function () { return UNDEFINED; };
		object.prototype = new parent();
		extend(object.prototype, members);
		return object;
	}

	/**
	 * Pad a string to a given length by adding 0 to the beginning
	 * @param {Number} number
	 * @param {Number} length
	 */
	function pad(number, length) {
		// Create an array of the remaining length +1 and join it with 0's
		return new Array((length || 2) + 1 - String(number).length).join(0) + number;
	}

	/**
	 * Wrap a method with extended functionality, preserving the original function
	 * @param {Object} obj The context object that the method belongs to 
	 * @param {String} method The name of the method to extend
	 * @param {Function} func A wrapper function callback. This function is called with the same arguments
	 * as the original function, except that the original function is unshifted and passed as the first 
	 * argument. 
	 */
	var wrap = Highcharts.wrap = function (obj, method, func) {
		var proceed = obj[method];
		obj[method] = function () {
			var args = Array.prototype.slice.call(arguments);
			args.unshift(proceed);
			return func.apply(this, args);
		};
	};


	function getTZOffset(timestamp) {
		return ((getTimezoneOffset && getTimezoneOffset(timestamp)) || timezoneOffset || 0) * 60000;
	}

	/**
	 * Based on http://www.php.net/manual/en/function.strftime.php
	 * @param {String} format
	 * @param {Number} timestamp
	 * @param {Boolean} capitalize
	 */
	dateFormat = function (format, timestamp, capitalize) {
		if (!defined(timestamp) || isNaN(timestamp)) {
			return 'Invalid date';
		}
		format = pick(format, '%Y-%m-%d %H:%M:%S');

		var date = new Date(timestamp - getTZOffset(timestamp)),
			key, // used in for constuct below
			// get the basic time values
			hours = date[getHours](),
			day = date[getDay](),
			dayOfMonth = date[getDate](),
			month = date[getMonth](),
			fullYear = date[getFullYear](),
			lang = defaultOptions.lang,
			langWeekdays = lang.weekdays,

			// List all format keys. Custom formats can be added from the outside. 
			replacements = extend({

				// Day
				'a': langWeekdays[day].substr(0, 3), // Short weekday, like 'Mon'
				'A': langWeekdays[day], // Long weekday, like 'Monday'
				'd': pad(dayOfMonth), // Two digit day of the month, 01 to 31
				'e': dayOfMonth, // Day of the month, 1 through 31
				'w': day,

				// Week (none implemented)
				//'W': weekNumber(),

				// Month
				'b': lang.shortMonths[month], // Short month, like 'Jan'
				'B': lang.months[month], // Long month, like 'January'
				'm': pad(month + 1), // Two digit month number, 01 through 12

				// Year
				'y': fullYear.toString().substr(2, 2), // Two digits year, like 09 for 2009
				'Y': fullYear, // Four digits year, like 2009

				// Time
				'H': pad(hours), // Two digits hours in 24h format, 00 through 23
				'I': pad((hours % 12) || 12), // Two digits hours in 12h format, 00 through 11
				'l': (hours % 12) || 12, // Hours in 12h format, 1 through 12
				'M': pad(date[getMinutes]()), // Two digits minutes, 00 through 59
				'p': hours < 12 ? 'AM' : 'PM', // Upper case AM or PM
				'P': hours < 12 ? 'am' : 'pm', // Lower case AM or PM
				'S': pad(date.getSeconds()), // Two digits seconds, 00 through  59
				'L': pad(mathRound(timestamp % 1000), 3) // Milliseconds (naming from Ruby)
			}, Highcharts.dateFormats);


		// do the replaces
		for (key in replacements) {
			while (format.indexOf('%' + key) !== -1) { // regex would do it in one line, but this is faster
				format = format.replace('%' + key, typeof replacements[key] === 'function' ? replacements[key](timestamp) : replacements[key]);
			}
		}

		// Optionally capitalize the string and return
		return capitalize ? format.substr(0, 1).toUpperCase() + format.substr(1) : format;
	};

	/** 
	 * Format a single variable. Similar to sprintf, without the % prefix.
	 */
	function formatSingle(format, val) {
		var floatRegex = /f$/,
			decRegex = /\.([0-9])/,
			lang = defaultOptions.lang,
			decimals;

		if (floatRegex.test(format)) { // float
			decimals = format.match(decRegex);
			decimals = decimals ? decimals[1] : -1;
			if (val !== null) {
				val = Highcharts.numberFormat(
					val,
					decimals,
					lang.decimalPoint,
					format.indexOf(',') > -1 ? lang.thousandsSep : ''
				);
			}
		} else {
			val = dateFormat(format, val);
		}
		return val;
	}

	/**
	 * Format a string according to a subset of the rules of Python's String.format method.
	 */
	function format(str, ctx) {
		var splitter = '{',
			isInside = false,
			segment,
			valueAndFormat,
			path,
			i,
			len,
			ret = [],
			val,
			index;
		
		while ((index = str.indexOf(splitter)) !== -1) {
			
			segment = str.slice(0, index);
			if (isInside) { // we're on the closing bracket looking back
				
				valueAndFormat = segment.split(':');
				path = valueAndFormat.shift().split('.'); // get first and leave format
				len = path.length;
				val = ctx;

				// Assign deeper paths
				for (i = 0; i < len; i++) {
					val = val[path[i]];
				}

				// Format the replacement
				if (valueAndFormat.length) {
					val = formatSingle(valueAndFormat.join(':'), val);
				}

				// Push the result and advance the cursor
				ret.push(val);
				
			} else {
				ret.push(segment);
				
			}
			str = str.slice(index + 1); // the rest
			isInside = !isInside; // toggle
			splitter = isInside ? '}' : '{'; // now look for next matching bracket
		}
		ret.push(str);
		return ret.join('');
	}

	/**
	 * Get the magnitude of a number
	 */
	function getMagnitude(num) {
		return math.pow(10, mathFloor(math.log(num) / math.LN10));
	}

	/**
	 * Take an interval and normalize it to multiples of 1, 2, 2.5 and 5
	 * @param {Number} interval
	 * @param {Array} multiples
	 * @param {Number} magnitude
	 * @param {Object} options
	 */
	function normalizeTickInterval(interval, multiples, magnitude, allowDecimals, preventExceed) {
		var normalized, 
			i,
			retInterval = interval;

		// round to a tenfold of 1, 2, 2.5 or 5
		magnitude = pick(magnitude, 1);
		normalized = interval / magnitude;

		// multiples for a linear scale
		if (!multiples) {
			multiples = [1, 2, 2.5, 5, 10];

			// the allowDecimals option
			if (allowDecimals === false) {
				if (magnitude === 1) {
					multiples = [1, 2, 5, 10];
				} else if (magnitude <= 0.1) {
					multiples = [1 / magnitude];
				}
			}
		}

		// normalize the interval to the nearest multiple
		for (i = 0; i < multiples.length; i++) {
			retInterval = multiples[i];
			if ((preventExceed && retInterval * magnitude >= interval) || // only allow tick amounts smaller than natural
				(!preventExceed && (normalized <= (multiples[i] + (multiples[i + 1] || multiples[i])) / 2))) {
				break;
			}
		}

		// multiply back to the correct magnitude
		retInterval *= magnitude;
		
		return retInterval;
	}


	/**
	 * Utility method that sorts an object array and keeping the order of equal items.
	 * ECMA script standard does not specify the behaviour when items are equal.
	 */
	function stableSort(arr, sortFunction) {
		var length = arr.length,
			sortValue,
			i;

		// Add index to each item
		for (i = 0; i < length; i++) {
			arr[i].ss_i = i; // stable sort index
		}

		arr.sort(function (a, b) {
			sortValue = sortFunction(a, b);
			return sortValue === 0 ? a.ss_i - b.ss_i : sortValue;
		});

		// Remove index from items
		for (i = 0; i < length; i++) {
			delete arr[i].ss_i; // stable sort index
		}
	}

	/**
	 * Non-recursive method to find the lowest member of an array. Math.min raises a maximum
	 * call stack size exceeded error in Chrome when trying to apply more than 150.000 points. This
	 * method is slightly slower, but safe.
	 */
	function arrayMin(data) {
		var i = data.length,
			min = data[0];

		while (i--) {
			if (data[i] < min) {
				min = data[i];
			}
		}
		return min;
	}

	/**
	 * Non-recursive method to find the lowest member of an array. Math.min raises a maximum
	 * call stack size exceeded error in Chrome when trying to apply more than 150.000 points. This
	 * method is slightly slower, but safe.
	 */
	function arrayMax(data) {
		var i = data.length,
			max = data[0];

		while (i--) {
			if (data[i] > max) {
				max = data[i];
			}
		}
		return max;
	}

	/**
	 * Utility method that destroys any SVGElement or VMLElement that are properties on the given object.
	 * It loops all properties and invokes destroy if there is a destroy method. The property is
	 * then delete'ed.
	 * @param {Object} The object to destroy properties on
	 * @param {Object} Exception, do not destroy this property, only delete it.
	 */
	function destroyObjectProperties(obj, except) {
		var n;
		for (n in obj) {
			// If the object is non-null and destroy is defined
			if (obj[n] && obj[n] !== except && obj[n].destroy) {
				// Invoke the destroy
				obj[n].destroy();
			}

			// Delete the property from the object.
			delete obj[n];
		}
	}


	/**
	 * Discard an element by moving it to the bin and delete
	 * @param {Object} The HTML node to discard
	 */
	function discardElement(element) {
		// create a garbage bin element, not part of the DOM
		if (!garbageBin) {
			garbageBin = createElement(DIV);
		}

		// move the node and empty bin
		if (element) {
			garbageBin.appendChild(element);
		}
		garbageBin.innerHTML = '';
	}

	/**
	 * Provide error messages for debugging, with links to online explanation 
	 */
	function error (code, stop) {
		var msg = 'Highcharts error #' + code + ': www.highcharts.com/errors/' + code;
		if (stop) {
			throw msg;
		}
		// else ...
		if (win.console) {
			console.log(msg);
		}
	}

	/**
	 * Fix JS round off float errors
	 * @param {Number} num
	 */
	function correctFloat(num) {
		return parseFloat(
			num.toPrecision(14)
		);
	}

	/**
	 * Set the global animation to either a given value, or fall back to the
	 * given chart's animation option
	 * @param {Object} animation
	 * @param {Object} chart
	 */
	function setAnimation(animation, chart) {
		globalAnimation = pick(animation, chart.animation);
	}

	/**
	 * The time unit lookup
	 */
	timeUnits = {
		millisecond: 1,
		second: 1000,
		minute: 60000,
		hour: 3600000,
		day: 24 * 3600000,
		week: 7 * 24 * 3600000,
		month: 28 * 24 * 3600000,
		year: 364 * 24 * 3600000
	};


	/**
	 * Format a number and return a string based on input settings
	 * @param {Number} number The input number to format
	 * @param {Number} decimals The amount of decimals
	 * @param {String} decPoint The decimal point, defaults to the one given in the lang options
	 * @param {String} thousandsSep The thousands separator, defaults to the one given in the lang options
	 */
	Highcharts.numberFormat = function (number, decimals, decPoint, thousandsSep) {
		var lang = defaultOptions.lang,
			// http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_number_format/
			n = +number || 0,
			c = decimals === -1 ?
				mathMin((n.toString().split('.')[1] || '').length, 20) : // Preserve decimals. Not huge numbers (#3793).
				(isNaN(decimals = mathAbs(decimals)) ? 2 : decimals),
			d = decPoint === undefined ? lang.decimalPoint : decPoint,
			t = thousandsSep === undefined ? lang.thousandsSep : thousandsSep,
			s = n < 0 ? "-" : "",
			i = String(pInt(n = mathAbs(n).toFixed(c))),
			j = i.length > 3 ? i.length % 3 : 0;

		return (s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) +
				(c ? d + mathAbs(n - i).toFixed(c).slice(2) : ""));
	};
	/**
	 * Path interpolation algorithm used across adapters
	 */
	pathAnim = {
		/**
		 * Prepare start and end values so that the path can be animated one to one
		 */
		init: function (elem, fromD, toD) {
			fromD = fromD || '';
			var shift = elem.shift,
				bezier = fromD.indexOf('C') > -1,
				numParams = bezier ? 7 : 3,
				endLength,
				slice,
				i,
				start = fromD.split(' '),
				end = [].concat(toD), // copy
				startBaseLine,
				endBaseLine,
				sixify = function (arr) { // in splines make move points have six parameters like bezier curves
					i = arr.length;
					while (i--) {
						if (arr[i] === M) {
							arr.splice(i + 1, 0, arr[i + 1], arr[i + 2], arr[i + 1], arr[i + 2]);
						}
					}
				};

			if (bezier) {
				sixify(start);
				sixify(end);
			}

			// pull out the base lines before padding
			if (elem.isArea) {
				startBaseLine = start.splice(start.length - 6, 6);
				endBaseLine = end.splice(end.length - 6, 6);
			}

			// if shifting points, prepend a dummy point to the end path
			if (shift <= end.length / numParams && start.length === end.length) {
				while (shift--) {
					end = [].concat(end).splice(0, numParams).concat(end);
				}
			}
			elem.shift = 0; // reset for following animations

			// copy and append last point until the length matches the end length
			if (start.length) {
				endLength = end.length;
				while (start.length < endLength) {

					//bezier && sixify(start);
					slice = [].concat(start).splice(start.length - numParams, numParams);
					if (bezier) { // disable first control point
						slice[numParams - 6] = slice[numParams - 2];
						slice[numParams - 5] = slice[numParams - 1];
					}
					start = start.concat(slice);
				}
			}

			if (startBaseLine) { // append the base lines for areas
				start = start.concat(startBaseLine);
				end = end.concat(endBaseLine);
			}
			return [start, end];
		},

		/**
		 * Interpolate each value of the path and return the array
		 */
		step: function (start, end, pos, complete) {
			var ret = [],
				i = start.length,
				startVal;

			if (pos === 1) { // land on the final path without adjustment points appended in the ends
				ret = complete;

			} else if (i === end.length && pos < 1) {
				while (i--) {
					startVal = parseFloat(start[i]);
					ret[i] =
						isNaN(startVal) ? // a letter instruction like M or L
							start[i] :
							pos * (parseFloat(end[i] - startVal)) + startVal;

				}
			} else { // if animation is finished or length not matching, land on right value
				ret = end;
			}
			return ret;
		}
	};

	(function ($) {
		/**
		 * The default HighchartsAdapter for jQuery
		 */
		win.HighchartsAdapter = win.HighchartsAdapter || ($ && {
			
			/**
			 * Initialize the adapter by applying some extensions to jQuery
			 */
			init: function (pathAnim) {
				
				// extend the animate function to allow SVG animations
				var Fx = $.fx;
				
				/*jslint unparam: true*//* allow unused param x in this function */
				$.extend($.easing, {
					easeOutQuad: function (x, t, b, c, d) {
						return -c * (t /= d) * (t - 2) + b;
					}
				});
				/*jslint unparam: false*/
			
				// extend some methods to check for elem.attr, which means it is a Highcharts SVG object
				$.each(['cur', '_default', 'width', 'height', 'opacity'], function (i, fn) {
					var obj = Fx.step,
						base;
						
					// Handle different parent objects
					if (fn === 'cur') {
						obj = Fx.prototype; // 'cur', the getter, relates to Fx.prototype
					
					} else if (fn === '_default' && $.Tween) { // jQuery 1.8 model
						obj = $.Tween.propHooks[fn];
						fn = 'set';
					}
			
					// Overwrite the method
					base = obj[fn];
					if (base) { // step.width and step.height don't exist in jQuery < 1.7
			
						// create the extended function replacement
						obj[fn] = function (fx) {

							var elem;
							
							// Fx.prototype.cur does not use fx argument
							fx = i ? fx : this;

							// Don't run animations on textual properties like align (#1821)
							if (fx.prop === 'align') {
								return;
							}
			
							// shortcut
							elem = fx.elem;
			
							// Fx.prototype.cur returns the current value. The other ones are setters
							// and returning a value has no effect.
							return elem.attr ? // is SVG element wrapper
								elem.attr(fx.prop, fn === 'cur' ? UNDEFINED : fx.now) : // apply the SVG wrapper's method
								base.apply(this, arguments); // use jQuery's built-in method
						};
					}
				});

				// Extend the opacity getter, needed for fading opacity with IE9 and jQuery 1.10+
				wrap($.cssHooks.opacity, 'get', function (proceed, elem, computed) {
					return elem.attr ? (elem.opacity || 0) : proceed.call(this, elem, computed);
				});
				
				// Define the setter function for d (path definitions)
				this.addAnimSetter('d', function (fx) {
					var elem = fx.elem,
						ends;
			
					// Normally start and end should be set in state == 0, but sometimes,
					// for reasons unknown, this doesn't happen. Perhaps state == 0 is skipped
					// in these cases
					if (!fx.started) {
						ends = pathAnim.init(elem, elem.d, elem.toD);
						fx.start = ends[0];
						fx.end = ends[1];
						fx.started = true;
					}
			
					// Interpolate each value of the path
					elem.attr('d', pathAnim.step(fx.start, fx.end, fx.pos, elem.toD));
				});
				
				/**
				 * Utility for iterating over an array. Parameters are reversed compared to jQuery.
				 * @param {Array} arr
				 * @param {Function} fn
				 */
				this.each = Array.prototype.forEach ?
					function (arr, fn) { // modern browsers
						return Array.prototype.forEach.call(arr, fn);
						
					} : 
					function (arr, fn) { // legacy
						var i, 
							len = arr.length;
						for (i = 0; i < len; i++) {
							if (fn.call(arr[i], arr[i], i, arr) === false) {
								return i;
							}
						}
					};
				
				/**
				 * Register Highcharts as a plugin in the respective framework
				 */
				$.fn.highcharts = function () {
					var constr = 'Chart', // default constructor
						args = arguments,
						options,
						ret,
						chart;

					if (this[0]) {

						if (isString(args[0])) {
							constr = args[0];
							args = Array.prototype.slice.call(args, 1); 
						}
						options = args[0];

						// Create the chart
						if (options !== UNDEFINED) {
							/*jslint unused:false*/
							options.chart = options.chart || {};
							options.chart.renderTo = this[0];
							chart = new Highcharts[constr](options, args[1]);
							ret = this;
							/*jslint unused:true*/
						}

						// When called without parameters or with the return argument, get a predefined chart
						if (options === UNDEFINED) {
							ret = charts[attr(this[0], 'data-highcharts-chart')];
						}
					}
					
					return ret;
				};

			},

			/**
			 * Add an animation setter for a specific property
			 */
			addAnimSetter: function (prop, setter) {
				// jQuery 1.8 style
				if ($.Tween) {
					$.Tween.propHooks[prop] = {
						set: setter
					};
				// pre 1.8
				} else {
					$.fx.step[prop] = setter;
				}
			},
			
			/**
			 * Downloads a script and executes a callback when done.
			 * @param {String} scriptLocation
			 * @param {Function} callback
			 */
			getScript: $.getScript,
			
			/**
			 * Return the index of an item in an array, or -1 if not found
			 */
			inArray: $.inArray,
			
			/**
			 * A direct link to jQuery methods. MooTools and Prototype adapters must be implemented for each case of method.
			 * @param {Object} elem The HTML element
			 * @param {String} method Which method to run on the wrapped element
			 */
			adapterRun: function (elem, method) {
				return $(elem)[method]();
			},
		
			/**
			 * Filter an array
			 */
			grep: $.grep,
		
			/**
			 * Map an array
			 * @param {Array} arr
			 * @param {Function} fn
			 */
			map: function (arr, fn) {
				//return jQuery.map(arr, fn);
				var results = [],
					i = 0,
					len = arr.length;
				for (; i < len; i++) {
					results[i] = fn.call(arr[i], arr[i], i, arr);
				}
				return results;
		
			},
		
			/**
			 * Get the position of an element relative to the top left of the page
			 */
			offset: function (el) {
				return $(el).offset();
			},
		
			/**
			 * Add an event listener
			 * @param {Object} el A HTML element or custom object
			 * @param {String} event The event type
			 * @param {Function} fn The event handler
			 */
			addEvent: function (el, event, fn) {
				$(el).bind(event, fn);
			},
		
			/**
			 * Remove event added with addEvent
			 * @param {Object} el The object
			 * @param {String} eventType The event type. Leave blank to remove all events.
			 * @param {Function} handler The function to remove
			 */
			removeEvent: function (el, eventType, handler) {
				// workaround for jQuery issue with unbinding custom events:
				// http://forum.jQuery.com/topic/javascript-error-when-unbinding-a-custom-event-using-jQuery-1-4-2
				var func = doc.removeEventListener ? 'removeEventListener' : 'detachEvent';
				if (doc[func] && el && !el[func]) {
					el[func] = function () {};
				}
		
				$(el).unbind(eventType, handler);
			},
		
			/**
			 * Fire an event on a custom object
			 * @param {Object} el
			 * @param {String} type
			 * @param {Object} eventArguments
			 * @param {Function} defaultFunction
			 */
			fireEvent: function (el, type, eventArguments, defaultFunction) {
				var event = $.Event(type),
					detachedType = 'detached' + type,
					defaultPrevented;
		
				// Remove warnings in Chrome when accessing returnValue (#2790), layerX and layerY. Although Highcharts
				// never uses these properties, Chrome includes them in the default click event and
				// raises the warning when they are copied over in the extend statement below.
				//
				// To avoid problems in IE (see #1010) where we cannot delete the properties and avoid
				// testing if they are there (warning in chrome) the only option is to test if running IE.
				if (!isIE && eventArguments) {
					delete eventArguments.layerX;
					delete eventArguments.layerY;
					delete eventArguments.returnValue;
				}
		
				extend(event, eventArguments);
		
				// Prevent jQuery from triggering the object method that is named the
				// same as the event. For example, if the event is 'select', jQuery
				// attempts calling el.select and it goes into a loop.
				if (el[type]) {
					el[detachedType] = el[type];
					el[type] = null;
				}
		
				// Wrap preventDefault and stopPropagation in try/catch blocks in
				// order to prevent JS errors when cancelling events on non-DOM
				// objects. #615.
				/*jslint unparam: true*/
				$.each(['preventDefault', 'stopPropagation'], function (i, fn) {
					var base = event[fn];
					event[fn] = function () {
						try {
							base.call(event);
						} catch (e) {
							if (fn === 'preventDefault') {
								defaultPrevented = true;
							}
						}
					};
				});
				/*jslint unparam: false*/
		
				// trigger it
				$(el).trigger(event);
		
				// attach the method
				if (el[detachedType]) {
					el[type] = el[detachedType];
					el[detachedType] = null;
				}
		
				if (defaultFunction && !event.isDefaultPrevented() && !defaultPrevented) {
					defaultFunction(event);
				}
			},
			
			/**
			 * Extension method needed for MooTools
			 */
			washMouseEvent: function (e) {
				var ret = e.originalEvent || e;
				
				// computed by jQuery, needed by IE8
				if (ret.pageX === UNDEFINED) { // #1236
					ret.pageX = e.pageX;
					ret.pageY = e.pageY;
				}
				
				return ret;
			},
		
			/**
			 * Animate a HTML element or SVG element wrapper
			 * @param {Object} el
			 * @param {Object} params
			 * @param {Object} options jQuery-like animation options: duration, easing, callback
			 */
			animate: function (el, params, options) {
				var $el = $(el);
				if (!el.style) {
					el.style = {}; // #1881
				}
				if (params.d) {
					el.toD = params.d; // keep the array form for paths, used in $.fx.step.d
					params.d = 1; // because in jQuery, animating to an array has a different meaning
				}
		
				$el.stop();
				if (params.opacity !== UNDEFINED && el.attr) {
					params.opacity += 'px'; // force jQuery to use same logic as width and height (#2161)
				}
				el.hasAnim = 1; // #3342
				$el.animate(params, options);
		
			},
			/**
			 * Stop running animation
			 */
			stop: function (el) {
				if (el.hasAnim) { // #3342, memory leak on calling $(el) from destroy
					$(el).stop();
				}
			}
		});
	}(win.jQuery));


	// check for a custom HighchartsAdapter defined prior to this file
	var globalAdapter = win.HighchartsAdapter,
		adapter = globalAdapter || {};
		
	// Initialize the adapter
	if (globalAdapter) {
		globalAdapter.init.call(globalAdapter, pathAnim);
	}


	// Utility functions. If the HighchartsAdapter is not defined, adapter is an empty object
	// and all the utility functions will be null. In that case they are populated by the
	// default adapters below.
	var adapterRun = adapter.adapterRun,
		getScript = adapter.getScript,
		inArray = adapter.inArray,
		each = Highcharts.each = adapter.each,
		grep = adapter.grep,
		offset = adapter.offset,
		map = adapter.map,
		addEvent = adapter.addEvent,
		removeEvent = adapter.removeEvent,
		fireEvent = adapter.fireEvent,
		washMouseEvent = adapter.washMouseEvent,
		animate = adapter.animate,
		stop = adapter.stop;



	/* ****************************************************************************
	 * Handle the options                                                         *
	 *****************************************************************************/
	defaultOptions = {
		colors: ['#7cb5ec', '#434348', '#90ed7d', '#f7a35c', 
			    '#8085e9', '#f15c80', '#e4d354', '#2b908f', '#f45b5b', '#91e8e1'],
		symbols: ['circle', 'diamond', 'square', 'triangle', 'triangle-down'],
		lang: {
			loading: 'Loading...',
			months: ['January', 'February', 'March', 'April', 'May', 'June', 'July',
					'August', 'September', 'October', 'November', 'December'],
			shortMonths: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
			weekdays: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
			decimalPoint: '.',
			numericSymbols: ['k', 'M', 'G', 'T', 'P', 'E'], // SI prefixes used in axis labels
			resetZoom: 'Reset zoom',
			resetZoomTitle: 'Reset zoom level 1:1',
			thousandsSep: ' '
		},
		global: {
			useUTC: true,
			//timezoneOffset: 0,
			canvasToolsURL: 'http://code.highcharts.com/4.1.5-modified/modules/canvas-tools.js',
			VMLRadialGradientURL: 'http://code.highcharts.com/4.1.5-modified/gfx/vml-radial-gradient.png'
		},
		chart: {
			//animation: true,
			//alignTicks: false,
			//reflow: true,
			//className: null,
			//events: { load, selection },
			//margin: [null],
			//marginTop: null,
			//marginRight: null,
			//marginBottom: null,
			//marginLeft: null,
			borderColor: '#4572A7',
			//borderWidth: 0,
			borderRadius: 0,
			defaultSeriesType: 'line',
			ignoreHiddenSeries: true,
			//inverted: false,
			//shadow: false,
			spacing: [10, 10, 15, 10],
			//spacingTop: 10,
			//spacingRight: 10,
			//spacingBottom: 15,
			//spacingLeft: 10,
			//style: {
			//	fontFamily: '"Lucida Grande", "Lucida Sans Unicode", Verdana, Arial, Helvetica, sans-serif', // default font
			//	fontSize: '12px'
			//},
			backgroundColor: '#FFFFFF',
			//plotBackgroundColor: null,
			plotBorderColor: '#C0C0C0',
			//plotBorderWidth: 0,
			//plotShadow: false,
			//zoomType: ''
			resetZoomButton: {
				theme: {
					zIndex: 20
				},
				position: {
					align: 'right',
					x: -10,
					//verticalAlign: 'top',
					y: 10
				}
				// relativeTo: 'plot'
			}
		},
		title: {
			text: 'Chart title',
			align: 'center',
			// floating: false,
			margin: 15,
			// x: 0,
			// verticalAlign: 'top',
			// y: null,
			style: {
				color: '#333333',
				fontSize: '18px'
			}

		},
		subtitle: {
			text: '',
			align: 'center',
			// floating: false
			// x: 0,
			// verticalAlign: 'top',
			// y: null,
			style: {
				color: '#555555'
			}
		},

		plotOptions: {
			line: { // base series options
				allowPointSelect: false,
				showCheckbox: false,
				animation: {
					duration: 1000
				},
				//connectNulls: false,
				//cursor: 'default',
				//clip: true,
				//dashStyle: null,
				//enableMouseTracking: true,
				events: {},
				//legendIndex: 0,
				//linecap: 'round',
				lineWidth: 2,
				//shadow: false,
				// stacking: null,
				marker: {
					//enabled: true,
					//symbol: null,
					lineWidth: 0,
					radius: 4,
					lineColor: '#FFFFFF',
					//fillColor: null,
					states: { // states for a single point
						hover: {
							enabled: true,
							lineWidthPlus: 1,
							radiusPlus: 2
						},
						select: {
							fillColor: '#FFFFFF',
							lineColor: '#000000',
							lineWidth: 2
						}
					}
				},
				point: {
					events: {}
				},
				dataLabels: {
					align: 'center',
					// defer: true,
					// enabled: false,
					formatter: function () {
						return this.y === null ? '' : Highcharts.numberFormat(this.y, -1);
					},
					style: {
						color: 'contrast',
						fontSize: '11px',
						fontWeight: 'bold',
						textShadow: '0 0 6px contrast, 0 0 3px contrast'
					},
					verticalAlign: 'bottom', // above singular point
					x: 0,
					y: 0,
					// backgroundColor: undefined,
					// borderColor: undefined,
					// borderRadius: undefined,
					// borderWidth: undefined,
					padding: 5
					// shadow: false
				},
				cropThreshold: 300, // draw points outside the plot area when the number of points is less than this
				pointRange: 0,
				//pointStart: 0,
				//pointInterval: 1,
				//showInLegend: null, // auto: true for standalone series, false for linked series
				states: { // states for the entire series
					hover: {
						//enabled: false,
						lineWidthPlus: 1,
						marker: {
							// lineWidth: base + 1,
							// radius: base + 1
						},
						halo: {
							size: 10,
							opacity: 0.25
						}
					},
					select: {
						marker: {}
					}
				},
				stickyTracking: true,
				//tooltip: {
					//pointFormat: '<span style="color:{point.color}">\u25CF</span> {series.name}: <b>{point.y}</b>'
					//valueDecimals: null,
					//xDateFormat: '%A, %b %e, %Y',
					//valuePrefix: '',
					//ySuffix: ''				
				//}
				turboThreshold: 1000
				// zIndex: null
			}
		},
		labels: {
			//items: [],
			style: {
				//font: defaultFont,
				position: ABSOLUTE,
				color: '#3E576F'
			}
		},
		legend: {
			enabled: true,
			align: 'center',
			//floating: false,
			layout: 'horizontal',
			labelFormatter: function () {
				return this.name;
			},
			//borderWidth: 0,
			borderColor: '#909090',
			borderRadius: 0,
			navigation: {
				// animation: true,
				activeColor: '#274b6d',
				// arrowSize: 12
				inactiveColor: '#CCC'
				// style: {} // text styles
			},
			// margin: 20,
			// reversed: false,
			shadow: false,
			// backgroundColor: null,
			/*style: {
				padding: '5px'
			},*/
			itemStyle: {			
				color: '#333333',
				fontSize: '12px',
				fontWeight: 'bold'
			},
			itemHoverStyle: {
				//cursor: 'pointer', removed as of #601
				color: '#000'
			},
			itemHiddenStyle: {
				color: '#CCC'
			},
			itemCheckboxStyle: {
				position: ABSOLUTE,
				width: '13px', // for IE precision
				height: '13px'
			},
			// itemWidth: undefined,
			// symbolRadius: 0,
			// symbolWidth: 16,
			symbolPadding: 5,
			verticalAlign: 'bottom',
			// width: undefined,
			x: 0,
			y: 0,
			title: {
				//text: null,
				style: {
					fontWeight: 'bold'
				}
			}			
		},

		loading: {
			// hideDuration: 100,
			labelStyle: {
				fontWeight: 'bold',
				position: RELATIVE,
				top: '45%'
			},
			// showDuration: 0,
			style: {
				position: ABSOLUTE,
				backgroundColor: 'white',
				opacity: 0.5,
				textAlign: 'center'
			}
		},

		tooltip: {
			enabled: true,
			animation: hasSVG,
			//crosshairs: null,
			backgroundColor: 'rgba(249, 249, 249, .85)',
			borderWidth: 1,
			borderRadius: 3,
			dateTimeLabelFormats: { 
				millisecond: '%A, %b %e, %H:%M:%S.%L',
				second: '%A, %b %e, %H:%M:%S',
				minute: '%A, %b %e, %H:%M',
				hour: '%A, %b %e, %H:%M',
				day: '%A, %b %e, %Y',
				week: 'Week from %A, %b %e, %Y',
				month: '%B %Y',
				year: '%Y'
			},
			footerFormat: '',
			//formatter: defaultFormatter,
			headerFormat: '<span style="font-size: 10px">{point.key}</span><br/>',
			pointFormat: '<span style="color:{point.color}">\u25CF</span> {series.name}: <b>{point.y}</b><br/>',
			shadow: true,
			//shape: 'callout',
			//shared: false,
			snap: isTouchDevice ? 25 : 10,
			style: {
				color: '#333333',
				cursor: 'default',
				fontSize: '12px',
				padding: '8px',
				whiteSpace: 'nowrap'
			}
			//xDateFormat: '%A, %b %e, %Y',
			//valueDecimals: null,
			//valuePrefix: '',
			//valueSuffix: ''
		},

		credits: {
			enabled: true,
			text: 'Highcharts.com',
			href: 'http://www.highcharts.com',
			position: {
				align: 'right',
				x: -10,
				verticalAlign: 'bottom',
				y: -5
			},
			style: {
				cursor: 'pointer',
				color: '#909090',
				fontSize: '9px'
			}
		}
	};




	// Series defaults
	var defaultPlotOptions = defaultOptions.plotOptions,
		defaultSeriesOptions = defaultPlotOptions.line;

	// set the default time methods
	setTimeMethods();



	/**
	 * Set the time methods globally based on the useUTC option. Time method can be either
	 * local time or UTC (default).
	 */
	function setTimeMethods() {
		var globalOptions = defaultOptions.global,
			useUTC = globalOptions.useUTC,
			GET = useUTC ? 'getUTC' : 'get',
			SET = useUTC ? 'setUTC' : 'set';


		Date = globalOptions.Date || window.Date;
		timezoneOffset = useUTC && globalOptions.timezoneOffset;
		getTimezoneOffset = useUTC && globalOptions.getTimezoneOffset;
		makeTime = function (year, month, date, hours, minutes, seconds) {
			var d;
			if (useUTC) {
				d = Date.UTC.apply(0, arguments);
				d += getTZOffset(d);
			} else {
				d = new Date(
					year,
					month,
					pick(date, 1),
					pick(hours, 0),
					pick(minutes, 0),
					pick(seconds, 0)
				).getTime();
			}
			return d;
		};
		getMinutes =      GET + 'Minutes';
		getHours =        GET + 'Hours';
		getDay =          GET + 'Day';
		getDate =         GET + 'Date';
		getMonth =        GET + 'Month';
		getFullYear =     GET + 'FullYear';
		setMilliseconds = SET + 'Milliseconds';
		setSeconds =      SET + 'Seconds';
		setMinutes =      SET + 'Minutes';
		setHours =        SET + 'Hours';
		setDate =         SET + 'Date';
		setMonth =        SET + 'Month';
		setFullYear =     SET + 'FullYear';

	}

	/**
	 * Merge the default options with custom options and return the new options structure
	 * @param {Object} options The new custom options
	 */
	function setOptions(options) {
		
		// Copy in the default options
		defaultOptions = merge(true, defaultOptions, options);
		
		// Apply UTC
		setTimeMethods();

		return defaultOptions;
	}

	/**
	 * Get the updated default options. Until 3.0.7, merely exposing defaultOptions for outside modules
	 * wasn't enough because the setOptions method created a new object.
	 */
	function getOptions() {
		return defaultOptions;
	}


	/**
	 * Handle color operations. The object methods are chainable.
	 * @param {String} input The input color in either rbga or hex format
	 */
	var rgbaRegEx = /rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]?(?:\.[0-9]+)?)\s*\)/,
		hexRegEx = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/,
		rgbRegEx = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/;

	var Color = function (input) {
		// declare variables
		var rgba = [], result, stops;

		/**
		 * Parse the input color to rgba array
		 * @param {String} input
		 */
		function init(input) {

			// Gradients
			if (input && input.stops) {
				stops = map(input.stops, function (stop) {
					return Color(stop[1]);
				});

			// Solid colors
			} else {
				// rgba
				result = rgbaRegEx.exec(input);
				if (result) {
					rgba = [pInt(result[1]), pInt(result[2]), pInt(result[3]), parseFloat(result[4], 10)];
				} else { 
					// hex
					result = hexRegEx.exec(input);
					if (result) {
						rgba = [pInt(result[1], 16), pInt(result[2], 16), pInt(result[3], 16), 1];
					} else {
						// rgb
						result = rgbRegEx.exec(input);
						if (result) {
							rgba = [pInt(result[1]), pInt(result[2]), pInt(result[3]), 1];
						}
					}
				}
			}		

		}
		/**
		 * Return the color a specified format
		 * @param {String} format
		 */
		function get(format) {
			var ret;

			if (stops) {
				ret = merge(input);
				ret.stops = [].concat(ret.stops);
				each(stops, function (stop, i) {
					ret.stops[i] = [ret.stops[i][0], stop.get(format)];
				});

			// it's NaN if gradient colors on a column chart
			} else if (rgba && !isNaN(rgba[0])) {
				if (format === 'rgb') {
					ret = 'rgb(' + rgba[0] + ',' + rgba[1] + ',' + rgba[2] + ')';
				} else if (format === 'a') {
					ret = rgba[3];
				} else {
					ret = 'rgba(' + rgba.join(',') + ')';
				}
			} else {
				ret = input;
			}
			return ret;
		}

		/**
		 * Brighten the color
		 * @param {Number} alpha
		 */
		function brighten(alpha) {
			if (stops) {
				each(stops, function (stop) {
					stop.brighten(alpha);
				});
			
			} else if (isNumber(alpha) && alpha !== 0) {
				var i;
				for (i = 0; i < 3; i++) {
					rgba[i] += pInt(alpha * 255);

					if (rgba[i] < 0) {
						rgba[i] = 0;
					}
					if (rgba[i] > 255) {
						rgba[i] = 255;
					}
				}
			}
			return this;
		}
		/**
		 * Set the color's opacity to a given alpha value
		 * @param {Number} alpha
		 */
		function setOpacity(alpha) {
			rgba[3] = alpha;
			return this;
		}

		// initialize: parse the input
		init(input);

		// public methods
		return {
			get: get,
			brighten: brighten,
			rgba: rgba,
			setOpacity: setOpacity,
			raw: input
		};
	};


	/**
	 * A wrapper object for SVG elements
	 */
	function SVGElement() {}

	SVGElement.prototype = {
		
		// Default base for animation
		opacity: 1,
		// For labels, these CSS properties are applied to the <text> node directly
		textProps: ['fontSize', 'fontWeight', 'fontFamily', 'fontStyle', 'color', 
			'lineHeight', 'width', 'textDecoration', 'textShadow'],
		
		/**
		 * Initialize the SVG renderer
		 * @param {Object} renderer
		 * @param {String} nodeName
		 */
		init: function (renderer, nodeName) {
			var wrapper = this;
			wrapper.element = nodeName === 'span' ?
				createElement(nodeName) :
				doc.createElementNS(SVG_NS, nodeName);
			wrapper.renderer = renderer;
		},
		
		/**
		 * Animate a given attribute
		 * @param {Object} params
		 * @param {Number} options The same options as in jQuery animation
		 * @param {Function} complete Function to perform at the end of animation
		 */
		animate: function (params, options, complete) {
			var animOptions = pick(options, globalAnimation, true);
			stop(this); // stop regardless of animation actually running, or reverting to .attr (#607)
			if (animOptions) {
				animOptions = merge(animOptions, {}); //#2625
				if (complete) { // allows using a callback with the global animation without overwriting it
					animOptions.complete = complete;
				}
				animate(this, params, animOptions);
			} else {
				this.attr(params);
				if (complete) {
					complete();
				}
			}
			return this;
		},

		/**
		 * Build an SVG gradient out of a common JavaScript configuration object
		 */
		colorGradient: function (color, prop, elem) {
			var renderer = this.renderer,
				colorObject,
				gradName,
				gradAttr,
				gradients,
				gradientObject,
				stops,
				stopColor,
				stopOpacity,
				radialReference,
				n,
				id,
				key = [];

			// Apply linear or radial gradients
			if (color.linearGradient) {
				gradName = 'linearGradient';
			} else if (color.radialGradient) {
				gradName = 'radialGradient';
			}

			if (gradName) {
				gradAttr = color[gradName];
				gradients = renderer.gradients;
				stops = color.stops;
				radialReference = elem.radialReference;

				// Keep < 2.2 kompatibility
				if (isArray(gradAttr)) {
					color[gradName] = gradAttr = {
						x1: gradAttr[0],
						y1: gradAttr[1],
						x2: gradAttr[2],
						y2: gradAttr[3],
						gradientUnits: 'userSpaceOnUse'
					};
				}

				// Correct the radial gradient for the radial reference system
				if (gradName === 'radialGradient' && radialReference && !defined(gradAttr.gradientUnits)) {
					gradAttr = merge(gradAttr, {
						cx: (radialReference[0] - radialReference[2] / 2) + gradAttr.cx * radialReference[2],
						cy: (radialReference[1] - radialReference[2] / 2) + gradAttr.cy * radialReference[2],
						r: gradAttr.r * radialReference[2],
						gradientUnits: 'userSpaceOnUse'
					});
				}

				// Build the unique key to detect whether we need to create a new element (#1282)
				for (n in gradAttr) {
					if (n !== 'id') {
						key.push(n, gradAttr[n]);
					}
				}
				for (n in stops) {
					key.push(stops[n]);
				}
				key = key.join(',');

				// Check if a gradient object with the same config object is created within this renderer
				if (gradients[key]) {
					id = gradients[key].attr('id');

				} else {

					// Set the id and create the element
					gradAttr.id = id = PREFIX + idCounter++;
					gradients[key] = gradientObject = renderer.createElement(gradName)
						.attr(gradAttr)
						.add(renderer.defs);


					// The gradient needs to keep a list of stops to be able to destroy them
					gradientObject.stops = [];
					each(stops, function (stop) {
						var stopObject;
						if (stop[1].indexOf('rgba') === 0) {
							colorObject = Color(stop[1]);
							stopColor = colorObject.get('rgb');
							stopOpacity = colorObject.get('a');
						} else {
							stopColor = stop[1];
							stopOpacity = 1;
						}
						stopObject = renderer.createElement('stop').attr({
							offset: stop[0],
							'stop-color': stopColor,
							'stop-opacity': stopOpacity
						}).add(gradientObject);

						// Add the stop element to the gradient
						gradientObject.stops.push(stopObject);
					});
				}

				// Set the reference to the gradient object
				elem.setAttribute(prop, 'url(' + renderer.url + '#' + id + ')');
			} 
		},

		/**
		 * Apply a polyfill to the text-stroke CSS property, by copying the text element
		 * and apply strokes to the copy.
		 *
		 * docs: update default, document the polyfill and the limitations on hex colors and pixel values, document contrast pseudo-color
		 * TODO: 
		 * - update defaults
		 */
		applyTextShadow: function (textShadow) {
			var elem = this.element,
				tspans,
				hasContrast = textShadow.indexOf('contrast') !== -1,
				styles = {},
				// IE10 and IE11 report textShadow in elem.style even though it doesn't work. Check
				// this again with new IE release. In exports, the rendering is passed to PhantomJS. 
				supports = this.renderer.forExport || (elem.style.textShadow !== UNDEFINED && !isIE);

			// When the text shadow is set to contrast, use dark stroke for light text and vice versa
			if (hasContrast) {
				styles.textShadow = textShadow.replace(/contrast/g, this.renderer.getContrast(elem.style.fill));
			}

			// Safari with retina displays as well as PhantomJS bug (#3974)
			styles.textRendering = 'geometricPrecision';

			/* Selective side-by-side testing in supported browser (http://jsfiddle.net/highcharts/73L1ptrh/)
			if (elem.textContent.indexOf('2.') === 0) {
				elem.style['text-shadow'] = 'none';
				supports = false;
			}
			// */

			// No reason to polyfill, we've got native support
			if (supports) {
				css(elem, styles); // Apply altered textShadow or textRendering workaround
			} else {

				this.fakeTS = true; // Fake text shadow

				// In order to get the right y position of the clones, 
				// copy over the y setter
				this.ySetter = this.xSetter;

				tspans = [].slice.call(elem.getElementsByTagName('tspan'));
				each(textShadow.split(/\s?,\s?/g), function (textShadow) {
					var firstChild = elem.firstChild,
						color,
						strokeWidth;
					
					textShadow = textShadow.split(' ');
					color = textShadow[textShadow.length - 1];

					// Approximately tune the settings to the text-shadow behaviour
					strokeWidth = textShadow[textShadow.length - 2];

					if (strokeWidth) {
						each(tspans, function (tspan, y) {
							var clone;

							// Let the first line start at the correct X position
							if (y === 0) {
								tspan.setAttribute('x', elem.getAttribute('x'));
								y = elem.getAttribute('y');
								tspan.setAttribute('y', y || 0);
								if (y === null) {
									elem.setAttribute('y', 0);
								}
							}

							// Create the clone and apply shadow properties
							clone = tspan.cloneNode(1);
							attr(clone, {
								'class': PREFIX + 'text-shadow',
								'fill': color,
								'stroke': color,
								'stroke-opacity': 1 / mathMax(pInt(strokeWidth), 3),
								'stroke-width': strokeWidth,
								'stroke-linejoin': 'round'
							});
							elem.insertBefore(clone, firstChild);
						});
					}
				});
			}
		},

		/**
		 * Set or get a given attribute
		 * @param {Object|String} hash
		 * @param {Mixed|Undefined} val
		 */
		attr: function (hash, val) {
			var key,
				value,
				element = this.element,
				hasSetSymbolSize,
				ret = this,
				skipAttr;

			// single key-value pair
			if (typeof hash === 'string' && val !== UNDEFINED) {
				key = hash;
				hash = {};
				hash[key] = val;
			}

			// used as a getter: first argument is a string, second is undefined
			if (typeof hash === 'string') {
				ret = (this[hash + 'Getter'] || this._defaultGetter).call(this, hash, element);
			
			// setter
			} else {

				for (key in hash) {
					value = hash[key];
					skipAttr = false;



					if (this.symbolName && /^(x|y|width|height|r|start|end|innerR|anchorX|anchorY)/.test(key)) {
						if (!hasSetSymbolSize) {
							this.symbolAttr(hash);
							hasSetSymbolSize = true;
						}
						skipAttr = true;
					}

					if (this.rotation && (key === 'x' || key === 'y')) {
						this.doTransform = true;
					}
					
					if (!skipAttr) {
						(this[key + 'Setter'] || this._defaultSetter).call(this, value, key, element);
					}

					// Let the shadow follow the main element
					if (this.shadows && /^(width|height|visibility|x|y|d|transform|cx|cy|r)$/.test(key)) {
						this.updateShadows(key, value);
					}
				}

				// Update transform. Do this outside the loop to prevent redundant updating for batch setting
				// of attributes.
				if (this.doTransform) {
					this.updateTransform();
					this.doTransform = false;
				}

			}

			return ret;
		},

		updateShadows: function (key, value) {
			var shadows = this.shadows,
				i = shadows.length;
			while (i--) {
				shadows[i].setAttribute(
					key,
					key === 'height' ?
						mathMax(value - (shadows[i].cutHeight || 0), 0) :
						key === 'd' ? this.d : value
				);
			}
		},

		/**
		 * Add a class name to an element
		 */
		addClass: function (className) {
			var element = this.element,
				currentClassName = attr(element, 'class') || '';

			if (currentClassName.indexOf(className) === -1) {
				attr(element, 'class', currentClassName + ' ' + className);
			}
			return this;
		},
		/* hasClass and removeClass are not (yet) needed
		hasClass: function (className) {
			return attr(this.element, 'class').indexOf(className) !== -1;
		},
		removeClass: function (className) {
			attr(this.element, 'class', attr(this.element, 'class').replace(className, ''));
			return this;
		},
		*/

		/**
		 * If one of the symbol size affecting parameters are changed,
		 * check all the others only once for each call to an element's
		 * .attr() method
		 * @param {Object} hash
		 */
		symbolAttr: function (hash) {
			var wrapper = this;

			each(['x', 'y', 'r', 'start', 'end', 'width', 'height', 'innerR', 'anchorX', 'anchorY'], function (key) {
				wrapper[key] = pick(hash[key], wrapper[key]);
			});

			wrapper.attr({
				d: wrapper.renderer.symbols[wrapper.symbolName](
					wrapper.x,
					wrapper.y,
					wrapper.width,
					wrapper.height,
					wrapper
				)
			});
		},

		/**
		 * Apply a clipping path to this object
		 * @param {String} id
		 */
		clip: function (clipRect) {
			return this.attr('clip-path', clipRect ? 'url(' + this.renderer.url + '#' + clipRect.id + ')' : NONE);
		},

		/**
		 * Calculate the coordinates needed for drawing a rectangle crisply and return the
		 * calculated attributes
		 * @param {Number} strokeWidth
		 * @param {Number} x
		 * @param {Number} y
		 * @param {Number} width
		 * @param {Number} height
		 */
		crisp: function (rect) {

			var wrapper = this,
				key,
				attribs = {},
				normalizer,
				strokeWidth = rect.strokeWidth || wrapper.strokeWidth || 0;

			normalizer = mathRound(strokeWidth) % 2 / 2; // mathRound because strokeWidth can sometimes have roundoff errors

			// normalize for crisp edges
			rect.x = mathFloor(rect.x || wrapper.x || 0) + normalizer;
			rect.y = mathFloor(rect.y || wrapper.y || 0) + normalizer;
			rect.width = mathFloor((rect.width || wrapper.width || 0) - 2 * normalizer);
			rect.height = mathFloor((rect.height || wrapper.height || 0) - 2 * normalizer);
			rect.strokeWidth = strokeWidth;

			for (key in rect) {
				if (wrapper[key] !== rect[key]) { // only set attribute if changed
					wrapper[key] = attribs[key] = rect[key];
				}
			}

			return attribs;
		},

		/**
		 * Set styles for the element
		 * @param {Object} styles
		 */
		css: function (styles) {
			var elemWrapper = this,
				oldStyles = elemWrapper.styles,
				newStyles = {},
				elem = elemWrapper.element,
				textWidth,
				n,
				serializedCss = '',
				hyphenate,
				hasNew = !oldStyles;

			// convert legacy
			if (styles && styles.color) {
				styles.fill = styles.color;
			}

			// Filter out existing styles to increase performance (#2640)
			if (oldStyles) {
				for (n in styles) {
					if (styles[n] !== oldStyles[n]) {
						newStyles[n] = styles[n];
						hasNew = true;
					}
				}
			}
			if (hasNew) {
				textWidth = elemWrapper.textWidth = 
					(styles && styles.width && elem.nodeName.toLowerCase() === 'text' && pInt(styles.width)) || 
					elemWrapper.textWidth; // #3501

				// Merge the new styles with the old ones
				if (oldStyles) {
					styles = extend(
						oldStyles,
						newStyles
					);
				}		

				// store object
				elemWrapper.styles = styles;

				if (textWidth && (useCanVG || (!hasSVG && elemWrapper.renderer.forExport))) {
					delete styles.width;
				}

				// serialize and set style attribute
				if (isIE && !hasSVG) {
					css(elemWrapper.element, styles);
				} else {
					/*jslint unparam: true*/
					hyphenate = function (a, b) { return '-' + b.toLowerCase(); };
					/*jslint unparam: false*/
					for (n in styles) {
						serializedCss += n.replace(/([A-Z])/g, hyphenate) + ':' + styles[n] + ';';
					}
					attr(elem, 'style', serializedCss); // #1881
				}


				// re-build text
				if (textWidth && elemWrapper.added) {
					elemWrapper.renderer.buildText(elemWrapper);
				}
			}

			return elemWrapper;
		},

		/**
		 * Add an event listener
		 * @param {String} eventType
		 * @param {Function} handler
		 */
		on: function (eventType, handler) {
			var svgElement = this,
				element = svgElement.element;
			
			// touch
			if (hasTouch && eventType === 'click') {
				element.ontouchstart = function (e) {			
					svgElement.touchEventFired = Date.now();				
					e.preventDefault();
					handler.call(element, e);
				};
				element.onclick = function (e) {												
					if (userAgent.indexOf('Android') === -1 || Date.now() - (svgElement.touchEventFired || 0) > 1100) { // #2269
						handler.call(element, e);
					}
				};			
			} else {
				// simplest possible event model for internal use
				element['on' + eventType] = handler;
			}
			return this;
		},

		/**
		 * Set the coordinates needed to draw a consistent radial gradient across
		 * pie slices regardless of positioning inside the chart. The format is
		 * [centerX, centerY, diameter] in pixels.
		 */
		setRadialReference: function (coordinates) {
			this.element.radialReference = coordinates;
			return this;
		},

		/**
		 * Move an object and its children by x and y values
		 * @param {Number} x
		 * @param {Number} y
		 */
		translate: function (x, y) {
			return this.attr({
				translateX: x,
				translateY: y
			});
		},

		/**
		 * Invert a group, rotate and flip
		 */
		invert: function () {
			var wrapper = this;
			wrapper.inverted = true;
			wrapper.updateTransform();
			return wrapper;
		},

		/**
		 * Private method to update the transform attribute based on internal
		 * properties
		 */
		updateTransform: function () {
			var wrapper = this,
				translateX = wrapper.translateX || 0,
				translateY = wrapper.translateY || 0,
				scaleX = wrapper.scaleX,
				scaleY = wrapper.scaleY,
				inverted = wrapper.inverted,
				rotation = wrapper.rotation,
				element = wrapper.element,
				transform;

			// flipping affects translate as adjustment for flipping around the group's axis
			if (inverted) {
				translateX += wrapper.attr('width');
				translateY += wrapper.attr('height');
			}

			// Apply translate. Nearly all transformed elements have translation, so instead
			// of checking for translate = 0, do it always (#1767, #1846).
			transform = ['translate(' + translateX + ',' + translateY + ')'];

			// apply rotation
			if (inverted) {
				transform.push('rotate(90) scale(-1,1)');
			} else if (rotation) { // text rotation
				transform.push('rotate(' + rotation + ' ' + (element.getAttribute('x') || 0) + ' ' + (element.getAttribute('y') || 0) + ')');
				
				// Delete bBox memo when the rotation changes
				//delete wrapper.bBox;
			}

			// apply scale
			if (defined(scaleX) || defined(scaleY)) {
				transform.push('scale(' + pick(scaleX, 1) + ' ' + pick(scaleY, 1) + ')');
			}

			if (transform.length) {
				element.setAttribute('transform', transform.join(' '));
			}
		},
		/**
		 * Bring the element to the front
		 */
		toFront: function () {
			var element = this.element;
			element.parentNode.appendChild(element);
			return this;
		},


		/**
		 * Break down alignment options like align, verticalAlign, x and y
		 * to x and y relative to the chart.
		 *
		 * @param {Object} alignOptions
		 * @param {Boolean} alignByTranslate
		 * @param {String[Object} box The box to align to, needs a width and height. When the
		 *		box is a string, it refers to an object in the Renderer. For example, when
		 *		box is 'spacingBox', it refers to Renderer.spacingBox which holds width, height
		 *		x and y properties.
		 *
		 */
		align: function (alignOptions, alignByTranslate, box) {
			var align,
				vAlign,
				x,
				y,
				attribs = {},
				alignTo,
				renderer = this.renderer,
				alignedObjects = renderer.alignedObjects;

			// First call on instanciate
			if (alignOptions) {
				this.alignOptions = alignOptions;
				this.alignByTranslate = alignByTranslate;
				if (!box || isString(box)) { // boxes other than renderer handle this internally
					this.alignTo = alignTo = box || 'renderer';
					erase(alignedObjects, this); // prevent duplicates, like legendGroup after resize
					alignedObjects.push(this);
					box = null; // reassign it below
				}

			// When called on resize, no arguments are supplied
			} else {
				alignOptions = this.alignOptions;
				alignByTranslate = this.alignByTranslate;
				alignTo = this.alignTo;
			}

			box = pick(box, renderer[alignTo], renderer);

			// Assign variables
			align = alignOptions.align;
			vAlign = alignOptions.verticalAlign;
			x = (box.x || 0) + (alignOptions.x || 0); // default: left align
			y = (box.y || 0) + (alignOptions.y || 0); // default: top align

			// Align
			if (align === 'right' || align === 'center') {
				x += (box.width - (alignOptions.width || 0)) /
						{ right: 1, center: 2 }[align];
			}
			attribs[alignByTranslate ? 'translateX' : 'x'] = mathRound(x);


			// Vertical align
			if (vAlign === 'bottom' || vAlign === 'middle') {
				y += (box.height - (alignOptions.height || 0)) /
						({ bottom: 1, middle: 2 }[vAlign] || 1);

			}
			attribs[alignByTranslate ? 'translateY' : 'y'] = mathRound(y);

			// Animate only if already placed
			this[this.placed ? 'animate' : 'attr'](attribs);
			this.placed = true;
			this.alignAttr = attribs;

			return this;
		},

		/**
		 * Get the bounding box (width, height, x and y) for the element
		 */
		getBBox: function (reload) {
			var wrapper = this,
				bBox,// = wrapper.bBox,
				renderer = wrapper.renderer,
				width,
				height,
				rotation = wrapper.rotation,
				element = wrapper.element,
				styles = wrapper.styles,
				rad = rotation * deg2rad,
				textStr = wrapper.textStr,
				textShadow,
				elemStyle = element.style,
				toggleTextShadowShim,
				cacheKey;

			if (textStr !== UNDEFINED) {

				// Properties that affect bounding box
				cacheKey = ['', rotation || 0, styles && styles.fontSize, element.style.width].join(',');

				// Since numbers are monospaced, and numerical labels appear a lot in a chart,
				// we assume that a label of n characters has the same bounding box as others 
				// of the same length.
				if (textStr === '' || numRegex.test(textStr)) {
					cacheKey = 'num:' + textStr.toString().length + cacheKey;

				// Caching all strings reduces rendering time by 4-5%.
				} else {
					cacheKey = textStr + cacheKey;
				}
			}

			if (cacheKey && !reload) {
				bBox = renderer.cache[cacheKey];
			}

			// No cache found
			if (!bBox) {

				// SVG elements
				if (element.namespaceURI === SVG_NS || renderer.forExport) {
					try { // Fails in Firefox if the container has display: none.

						// When the text shadow shim is used, we need to hide the fake shadows
						// to get the correct bounding box (#3872)
						toggleTextShadowShim = this.fakeTS && function (display) {
							each(element.querySelectorAll('.' + PREFIX + 'text-shadow'), function (tspan) {
								tspan.style.display = display;
							});
						};

						// Workaround for #3842, Firefox reporting wrong bounding box for shadows
						if (isFirefox && elemStyle.textShadow) {
							textShadow = elemStyle.textShadow;
							elemStyle.textShadow = '';
						} else if (toggleTextShadowShim) {
							toggleTextShadowShim(NONE);
						}

						bBox = element.getBBox ?
							// SVG: use extend because IE9 is not allowed to change width and height in case
							// of rotation (below)
							extend({}, element.getBBox()) :
							// Canvas renderer and legacy IE in export mode
							{
								width: element.offsetWidth,
								height: element.offsetHeight
							};

						// #3842
						if (textShadow) {
							elemStyle.textShadow = textShadow;
						} else if (toggleTextShadowShim) {
							toggleTextShadowShim('');
						}
					} catch (e) {}

					// If the bBox is not set, the try-catch block above failed. The other condition
					// is for Opera that returns a width of -Infinity on hidden elements.
					if (!bBox || bBox.width < 0) {
						bBox = { width: 0, height: 0 };
					}


				// VML Renderer or useHTML within SVG
				} else {

					bBox = wrapper.htmlGetBBox();

				}

				// True SVG elements as well as HTML elements in modern browsers using the .useHTML option
				// need to compensated for rotation
				if (renderer.isSVG) {
					width = bBox.width;
					height = bBox.height;

					// Workaround for wrong bounding box in IE9 and IE10 (#1101, #1505, #1669, #2568)
					if (isIE && styles && styles.fontSize === '11px' && height.toPrecision(3) === '16.9') {
						bBox.height = height = 14;
					}

					// Adjust for rotated text
					if (rotation) {
						bBox.width = mathAbs(height * mathSin(rad)) + mathAbs(width * mathCos(rad));
						bBox.height = mathAbs(height * mathCos(rad)) + mathAbs(width * mathSin(rad));
					}
				}

				// Cache it
				renderer.cache[cacheKey] = bBox;
			}
			return bBox;
		},

		/**
		 * Show the element
		 */
		show: function (inherit) {
			// IE9-11 doesn't handle visibilty:inherit well, so we remove the attribute instead (#2881)
			if (inherit && this.element.namespaceURI === SVG_NS) {
				this.element.removeAttribute('visibility');
			} else {
				this.attr({ visibility: inherit ? 'inherit' : VISIBLE });
			}
			return this;
		},

		/**
		 * Hide the element
		 */
		hide: function () {
			return this.attr({ visibility: HIDDEN });
		},

		fadeOut: function (duration) {
			var elemWrapper = this;
			elemWrapper.animate({
				opacity: 0
			}, {
				duration: duration || 150,
				complete: function () {
					elemWrapper.attr({ y: -9999 }); // #3088, assuming we're only using this for tooltips
				}
			});
		},

		/**
		 * Add the element
		 * @param {Object|Undefined} parent Can be an element, an element wrapper or undefined
		 *	to append the element to the renderer.box.
		 */
		add: function (parent) {

			var renderer = this.renderer,
				element = this.element,
				inserted;

			if (parent) {
				this.parentGroup = parent;
			}

			// mark as inverted
			this.parentInverted = parent && parent.inverted;

			// build formatted text
			if (this.textStr !== undefined) {
				renderer.buildText(this);
			}

			// Mark as added
			this.added = true;

			// If we're adding to renderer root, or other elements in the group 
			// have a z index, we need to handle it
			if (!parent || parent.handleZ || this.zIndex) {
				inserted = this.zIndexSetter();
			}

			// If zIndex is not handled, append at the end
			if (!inserted) {
				(parent ? parent.element : renderer.box).appendChild(element);
			}

			// fire an event for internal hooks
			if (this.onAdd) {
				this.onAdd();
			}

			return this;
		},

		/**
		 * Removes a child either by removeChild or move to garbageBin.
		 * Issue 490; in VML removeChild results in Orphaned nodes according to sIEve, discardElement does not.
		 */
		safeRemoveChild: function (element) {
			var parentNode = element.parentNode;
			if (parentNode) {
				parentNode.removeChild(element);
			}
		},

		/**
		 * Destroy the element and element wrapper
		 */
		destroy: function () {
			var wrapper = this,
				element = wrapper.element || {},
				shadows = wrapper.shadows,
				parentToClean = wrapper.renderer.isSVG && element.nodeName === 'SPAN' && wrapper.parentGroup,
				grandParent,
				key,
				i;

			// remove events
			element.onclick = element.onmouseout = element.onmouseover = element.onmousemove = element.point = null;
			stop(wrapper); // stop running animations

			if (wrapper.clipPath) {
				wrapper.clipPath = wrapper.clipPath.destroy();
			}

			// Destroy stops in case this is a gradient object
			if (wrapper.stops) {
				for (i = 0; i < wrapper.stops.length; i++) {
					wrapper.stops[i] = wrapper.stops[i].destroy();
				}
				wrapper.stops = null;
			}

			// remove element
			wrapper.safeRemoveChild(element);

			// destroy shadows
			if (shadows) {
				each(shadows, function (shadow) {
					wrapper.safeRemoveChild(shadow);
				});
			}

			// In case of useHTML, clean up empty containers emulating SVG groups (#1960, #2393, #2697).
			while (parentToClean && parentToClean.div && parentToClean.div.childNodes.length === 0) {
				grandParent = parentToClean.parentGroup;
				wrapper.safeRemoveChild(parentToClean.div);
				delete parentToClean.div;
				parentToClean = grandParent;
			}

			// remove from alignObjects
			if (wrapper.alignTo) {
				erase(wrapper.renderer.alignedObjects, wrapper);
			}

			for (key in wrapper) {
				delete wrapper[key];
			}

			return null;
		},

		/**
		 * Add a shadow to the element. Must be done after the element is added to the DOM
		 * @param {Boolean|Object} shadowOptions
		 */
		shadow: function (shadowOptions, group, cutOff) {
			var shadows = [],
				i,
				shadow,
				element = this.element,
				strokeWidth,
				shadowWidth,
				shadowElementOpacity,

				// compensate for inverted plot area
				transform;


			if (shadowOptions) {
				shadowWidth = pick(shadowOptions.width, 3);
				shadowElementOpacity = (shadowOptions.opacity || 0.15) / shadowWidth;
				transform = this.parentInverted ?
					'(-1,-1)' :
					'(' + pick(shadowOptions.offsetX, 1) + ', ' + pick(shadowOptions.offsetY, 1) + ')';
				for (i = 1; i <= shadowWidth; i++) {
					shadow = element.cloneNode(0);
					strokeWidth = (shadowWidth * 2) + 1 - (2 * i);
					attr(shadow, {
						'isShadow': 'true',
						'stroke': shadowOptions.color || 'black',
						'stroke-opacity': shadowElementOpacity * i,
						'stroke-width': strokeWidth,
						'transform': 'translate' + transform,
						'fill': NONE
					});
					if (cutOff) {
						attr(shadow, 'height', mathMax(attr(shadow, 'height') - strokeWidth, 0));
						shadow.cutHeight = strokeWidth;
					}

					if (group) {
						group.element.appendChild(shadow);
					} else {
						element.parentNode.insertBefore(shadow, element);
					}

					shadows.push(shadow);
				}

				this.shadows = shadows;
			}
			return this;

		},

		xGetter: function (key) {
			if (this.element.nodeName === 'circle') {
				key = { x: 'cx', y: 'cy' }[key] || key;
			}
			return this._defaultGetter(key);
		},

		/** 
		 * Get the current value of an attribute or pseudo attribute, used mainly
		 * for animation.
		 */
		_defaultGetter: function (key) {
			var ret = pick(this[key], this.element ? this.element.getAttribute(key) : null, 0);

			if (/^[\-0-9\.]+$/.test(ret)) { // is numerical
				ret = parseFloat(ret);
			}
			return ret;
		},


		dSetter: function (value, key, element) {
			if (value && value.join) { // join path
				value = value.join(' ');
			}
			if (/(NaN| {2}|^$)/.test(value)) {
				value = 'M 0 0';
			}
			element.setAttribute(key, value);

			this[key] = value;
		},
		dashstyleSetter: function (value) {
			var i;
			value = value && value.toLowerCase();
			if (value) {
				value = value
					.replace('shortdashdotdot', '3,1,1,1,1,1,')
					.replace('shortdashdot', '3,1,1,1')
					.replace('shortdot', '1,1,')
					.replace('shortdash', '3,1,')
					.replace('longdash', '8,3,')
					.replace(/dot/g, '1,3,')
					.replace('dash', '4,3,')
					.replace(/,$/, '')
					.split(','); // ending comma

				i = value.length;
				while (i--) {
					value[i] = pInt(value[i]) * this['stroke-width'];
				}
				value = value.join(',')
					.replace('NaN', 'none'); // #3226
				this.element.setAttribute('stroke-dasharray', value);
			}
		},
		alignSetter: function (value) {
			this.element.setAttribute('text-anchor', { left: 'start', center: 'middle', right: 'end' }[value]);
		},
		opacitySetter: function (value, key, element) {
			this[key] = value;
			element.setAttribute(key, value);
		},
		titleSetter: function (value) {
			var titleNode = this.element.getElementsByTagName('title')[0];
			if (!titleNode) {
				titleNode = doc.createElementNS(SVG_NS, 'title');
				this.element.appendChild(titleNode);
			}
			titleNode.textContent = (String(pick(value), '')).replace(/<[^>]*>/g, ''); // #3276 #3895
		},
		textSetter: function (value) {
			if (value !== this.textStr) {
				// Delete bBox memo when the text changes
				delete this.bBox;
			
				this.textStr = value;
				if (this.added) {
					this.renderer.buildText(this);
				}
			}
		},
		fillSetter: function (value, key, element) {
			if (typeof value === 'string') {
				element.setAttribute(key, value);
			} else if (value) {
				this.colorGradient(value, key, element);
			}
		},
		zIndexSetter: function (value, key) {
			var renderer = this.renderer,
				parentGroup = this.parentGroup,
				parentWrapper = parentGroup || renderer,
				parentNode = parentWrapper.element || renderer.box,
				childNodes,
				otherElement,
				otherZIndex,
				element = this.element,
				inserted,
				run = this.added,
				i;
			
			if (defined(value)) {
				element.setAttribute(key, value); // So we can read it for other elements in the group
				value = +value;
				if (this[key] === value) { // Only update when needed (#3865)
					run = false;
				}
				this[key] = value;
			}

			// Insert according to this and other elements' zIndex. Before .add() is called,
			// nothing is done. Then on add, or by later calls to zIndexSetter, the node
			// is placed on the right place in the DOM.
			if (run) {
				value = this.zIndex;

				if (value && parentGroup) {
					parentGroup.handleZ = true;
				}
			
				childNodes = parentNode.childNodes;
				for (i = 0; i < childNodes.length && !inserted; i++) {
					otherElement = childNodes[i];
					otherZIndex = attr(otherElement, 'zIndex');
					if (otherElement !== element && (
							// Insert before the first element with a higher zIndex
							pInt(otherZIndex) > value ||
							// If no zIndex given, insert before the first element with a zIndex
							(!defined(value) && defined(otherZIndex))

							)) {
						parentNode.insertBefore(element, otherElement);
						inserted = true;
					}
				}
				if (!inserted) {
					parentNode.appendChild(element);
				}
			}
			return inserted;
		},
		_defaultSetter: function (value, key, element) {
			element.setAttribute(key, value);
		}
	};

	// Some shared setters and getters
	SVGElement.prototype.yGetter = SVGElement.prototype.xGetter;
	SVGElement.prototype.translateXSetter = SVGElement.prototype.translateYSetter = 
			SVGElement.prototype.rotationSetter = SVGElement.prototype.verticalAlignSetter = 
			SVGElement.prototype.scaleXSetter = SVGElement.prototype.scaleYSetter = function (value, key) {
		this[key] = value;
		this.doTransform = true;
	};

	// WebKit and Batik have problems with a stroke-width of zero, so in this case we remove the 
	// stroke attribute altogether. #1270, #1369, #3065, #3072.
	SVGElement.prototype['stroke-widthSetter'] = SVGElement.prototype.strokeSetter = function (value, key, element) {
		this[key] = value;
		// Only apply the stroke attribute if the stroke width is defined and larger than 0
		if (this.stroke && this['stroke-width']) {
			this.strokeWidth = this['stroke-width'];
			SVGElement.prototype.fillSetter.call(this, this.stroke, 'stroke', element); // use prototype as instance may be overridden
			element.setAttribute('stroke-width', this['stroke-width']);
			this.hasStroke = true;
		} else if (key === 'stroke-width' && value === 0 && this.hasStroke) {
			element.removeAttribute('stroke');
			this.hasStroke = false;
		}
	};


	/**
	 * The default SVG renderer
	 */
	var SVGRenderer = function () {
		this.init.apply(this, arguments);
	};
	SVGRenderer.prototype = {
		Element: SVGElement,

		/**
		 * Initialize the SVGRenderer
		 * @param {Object} container
		 * @param {Number} width
		 * @param {Number} height
		 * @param {Boolean} forExport
		 */
		init: function (container, width, height, style, forExport) {
			var renderer = this,
				loc = location,
				boxWrapper,
				element,
				desc;

			boxWrapper = renderer.createElement('svg')
				.attr({
					version: '1.1'
				})
				.css(this.getStyle(style));
			element = boxWrapper.element;
			container.appendChild(element);

			// For browsers other than IE, add the namespace attribute (#1978)
			if (container.innerHTML.indexOf('xmlns') === -1) {
				attr(element, 'xmlns', SVG_NS);
			}

			// object properties
			renderer.isSVG = true;
			renderer.box = element;
			renderer.boxWrapper = boxWrapper;
			renderer.alignedObjects = [];

			// Page url used for internal references. #24, #672, #1070
			renderer.url = (isFirefox || isWebKit) && doc.getElementsByTagName('base').length ?
				loc.href
					.replace(/#.*?$/, '') // remove the hash
					.replace(/([\('\)])/g, '\\$1') // escape parantheses and quotes
					.replace(/ /g, '%20') : // replace spaces (needed for Safari only)
				'';

			// Add description
			desc = this.createElement('desc').add();
			desc.element.appendChild(doc.createTextNode('Created with ' + PRODUCT + ' ' + VERSION));


			renderer.defs = this.createElement('defs').add();
			renderer.forExport = forExport;
			renderer.gradients = {}; // Object where gradient SvgElements are stored
			renderer.cache = {}; // Cache for numerical bounding boxes

			renderer.setSize(width, height, false);



			// Issue 110 workaround:
			// In Firefox, if a div is positioned by percentage, its pixel position may land
			// between pixels. The container itself doesn't display this, but an SVG element
			// inside this container will be drawn at subpixel precision. In order to draw
			// sharp lines, this must be compensated for. This doesn't seem to work inside
			// iframes though (like in jsFiddle).
			var subPixelFix, rect;
			if (isFirefox && container.getBoundingClientRect) {
				renderer.subPixelFix = subPixelFix = function () {
					css(container, { left: 0, top: 0 });
					rect = container.getBoundingClientRect();
					css(container, {
						left: (mathCeil(rect.left) - rect.left) + PX,
						top: (mathCeil(rect.top) - rect.top) + PX
					});
				};

				// run the fix now
				subPixelFix();

				// run it on resize
				addEvent(win, 'resize', subPixelFix);
			}
		},

		getStyle: function (style) {
			return (this.style = extend({
				fontFamily: '"Lucida Grande", "Lucida Sans Unicode", Arial, Helvetica, sans-serif', // default font
				fontSize: '12px'
			}, style));
		},

		/**
		 * Detect whether the renderer is hidden. This happens when one of the parent elements
		 * has display: none. #608.
		 */
		isHidden: function () {
			return !this.boxWrapper.getBBox().width;
		},

		/**
		 * Destroys the renderer and its allocated members.
		 */
		destroy: function () {
			var renderer = this,
				rendererDefs = renderer.defs;
			renderer.box = null;
			renderer.boxWrapper = renderer.boxWrapper.destroy();

			// Call destroy on all gradient elements
			destroyObjectProperties(renderer.gradients || {});
			renderer.gradients = null;

			// Defs are null in VMLRenderer
			// Otherwise, destroy them here.
			if (rendererDefs) {
				renderer.defs = rendererDefs.destroy();
			}

			// Remove sub pixel fix handler
			// We need to check that there is a handler, otherwise all functions that are registered for event 'resize' are removed
			// See issue #982
			if (renderer.subPixelFix) {
				removeEvent(win, 'resize', renderer.subPixelFix);
			}

			renderer.alignedObjects = null;

			return null;
		},

		/**
		 * Create a wrapper for an SVG element
		 * @param {Object} nodeName
		 */
		createElement: function (nodeName) {
			var wrapper = new this.Element();
			wrapper.init(this, nodeName);
			return wrapper;
		},

		/**
		 * Dummy function for use in canvas renderer
		 */
		draw: function () {},

		/**
		 * Parse a simple HTML string into SVG tspans
		 *
		 * @param {Object} textNode The parent text SVG node
		 */
		buildText: function (wrapper) {
			var textNode = wrapper.element,
				renderer = this,
				forExport = renderer.forExport,
				textStr = pick(wrapper.textStr, '').toString(),
				hasMarkup = textStr.indexOf('<') !== -1,
				lines,
				childNodes = textNode.childNodes,
				styleRegex,
				hrefRegex,
				parentX = attr(textNode, 'x'),
				textStyles = wrapper.styles,
				width = wrapper.textWidth,
				textLineHeight = textStyles && textStyles.lineHeight,
				textShadow = textStyles && textStyles.textShadow,
				ellipsis = textStyles && textStyles.textOverflow === 'ellipsis',
				i = childNodes.length,
				tempParent = width && !wrapper.added && this.box,
				getLineHeight = function (tspan) {
					return textLineHeight ? 
						pInt(textLineHeight) :
						renderer.fontMetrics(
							/(px|em)$/.test(tspan && tspan.style.fontSize) ?
								tspan.style.fontSize :
								((textStyles && textStyles.fontSize) || renderer.style.fontSize || 12),
							tspan
						).h;
				},
				unescapeAngleBrackets = function (inputStr) {
					return inputStr.replace(/&lt;/g, '<').replace(/&gt;/g, '>');
				};

			/// remove old text
			while (i--) {
				textNode.removeChild(childNodes[i]);
			}

			// Skip tspans, add text directly to text node. The forceTSpan is a hook 
			// used in text outline hack.
			if (!hasMarkup && !textShadow && !ellipsis && textStr.indexOf(' ') === -1) {
				textNode.appendChild(doc.createTextNode(unescapeAngleBrackets(textStr)));
				return;

			// Complex strings, add more logic
			} else {

				styleRegex = /<.*style="([^"]+)".*>/;
				hrefRegex = /<.*href="(http[^"]+)".*>/;

				if (tempParent) {
					tempParent.appendChild(textNode); // attach it to the DOM to read offset width
				}

				if (hasMarkup) {
					lines = textStr
						.replace(/<(b|strong)>/g, '<span style="font-weight:bold">')
						.replace(/<(i|em)>/g, '<span style="font-style:italic">')
						.replace(/<a/g, '<span')
						.replace(/<\/(b|strong|i|em|a)>/g, '</span>')
						.split(/<br.*?>/g);

				} else {
					lines = [textStr];
				}


				// remove empty line at end
				if (lines[lines.length - 1] === '') {
					lines.pop();
				}

				
				// build the lines
				each(lines, function (line, lineNo) {
					var spans, spanNo = 0;

					line = line.replace(/<span/g, '|||<span').replace(/<\/span>/g, '</span>|||');
					spans = line.split('|||');

					each(spans, function (span) {
						if (span !== '' || spans.length === 1) {
							var attributes = {},
								tspan = doc.createElementNS(SVG_NS, 'tspan'),
								spanStyle; // #390
							if (styleRegex.test(span)) {
								spanStyle = span.match(styleRegex)[1].replace(/(;| |^)color([ :])/, '$1fill$2');
								attr(tspan, 'style', spanStyle);
							}
							if (hrefRegex.test(span) && !forExport) { // Not for export - #1529
								attr(tspan, 'onclick', 'location.href=\"' + span.match(hrefRegex)[1] + '\"');
								css(tspan, { cursor: 'pointer' });
							}

							span = unescapeAngleBrackets(span.replace(/<(.|\n)*?>/g, '') || ' ');

							// Nested tags aren't supported, and cause crash in Safari (#1596)
							if (span !== ' ') {

								// add the text node
								tspan.appendChild(doc.createTextNode(span));

								if (!spanNo) { // first span in a line, align it to the left
									if (lineNo && parentX !== null) {
										attributes.x = parentX;
									}
								} else {
									attributes.dx = 0; // #16
								}

								// add attributes
								attr(tspan, attributes);

								// Append it
								textNode.appendChild(tspan);

								// first span on subsequent line, add the line height
								if (!spanNo && lineNo) {

									// allow getting the right offset height in exporting in IE
									if (!hasSVG && forExport) {
										css(tspan, { display: 'block' });
									}

									// Set the line height based on the font size of either
									// the text element or the tspan element
									attr(
										tspan,
										'dy',
										getLineHeight(tspan)
									);
								}

								/*if (width) {
									renderer.breakText(wrapper, width);
								}*/

								// Check width and apply soft breaks or ellipsis
								if (width) {
									var words = span.replace(/([^\^])-/g, '$1- ').split(' '), // #1273
										hasWhiteSpace = spans.length > 1 || lineNo || (words.length > 1 && textStyles.whiteSpace !== 'nowrap'),
										tooLong,
										wasTooLong,
										actualWidth,
										rest = [],
										dy = getLineHeight(tspan),
										softLineNo = 1,
										rotation = wrapper.rotation,
										wordStr = span, // for ellipsis
										cursor = wordStr.length, // binary search cursor
										bBox;

									while ((hasWhiteSpace || ellipsis) && (words.length || rest.length)) {
										wrapper.rotation = 0; // discard rotation when computing box
										bBox = wrapper.getBBox(true);
										actualWidth = bBox.width;

										// Old IE cannot measure the actualWidth for SVG elements (#2314)
										if (!hasSVG && renderer.forExport) {
											actualWidth = renderer.measureSpanWidth(tspan.firstChild.data, wrapper.styles);
										}

										tooLong = actualWidth > width;

										// For ellipsis, do a binary search for the correct string length
										if (wasTooLong === undefined) {
											wasTooLong = tooLong; // First time
										}
										if (ellipsis && wasTooLong) {
											cursor /= 2;

											if (wordStr === '' || (!tooLong && cursor < 0.5)) {
												words = []; // All ok, break out
											} else {
												if (tooLong) {
													wasTooLong = true;
												}
												wordStr = span.substring(0, wordStr.length + (tooLong ? -1 : 1) * mathCeil(cursor));
												words = [wordStr + (width > 3 ? '\u2026' : '')];
												tspan.removeChild(tspan.firstChild);
											}

										// Looping down, this is the first word sequence that is not too long,
										// so we can move on to build the next line.
										} else if (!tooLong || words.length === 1) {
											words = rest;
											rest = [];
													
											if (words.length) {
												softLineNo++;
												
												tspan = doc.createElementNS(SVG_NS, 'tspan');
												attr(tspan, {
													dy: dy,
													x: parentX
												});
												if (spanStyle) { // #390
													attr(tspan, 'style', spanStyle);
												}
												textNode.appendChild(tspan);
											}
											if (actualWidth > width) { // a single word is pressing it out
												width = actualWidth;
											}
										} else { // append to existing line tspan
											tspan.removeChild(tspan.firstChild);
											rest.unshift(words.pop());
										}
										if (words.length) {
											tspan.appendChild(doc.createTextNode(words.join(' ').replace(/- /g, '-')));
										}
									}
									if (wasTooLong) {
										wrapper.attr('title', wrapper.textStr);
									}
									wrapper.rotation = rotation;
								}

								spanNo++;
							}
						}
					});
				});
				if (tempParent) {
					tempParent.removeChild(textNode); // attach it to the DOM to read offset width
				}

				// Apply the text shadow
				if (textShadow && wrapper.applyTextShadow) {
					wrapper.applyTextShadow(textShadow);
				}
			}
		},

		

		/*
		breakText: function (wrapper, width) {
			var bBox = wrapper.getBBox(),
				node = wrapper.element,
				textLength = node.textContent.length,
				pos = mathRound(width * textLength / bBox.width), // try this position first, based on average character width
				increment = 0,
				finalPos;

			if (bBox.width > width) {
				while (finalPos === undefined) {
					textLength = node.getSubStringLength(0, pos);

					if (textLength <= width) {
						if (increment === -1) {
							finalPos = pos;
						} else {
							increment = 1;
						}
					} else {
						if (increment === 1) {
							finalPos = pos - 1;
						} else {
							increment = -1;
						}
					}
					pos += increment;
				}
			}
			console.log(finalPos, node.getSubStringLength(0, finalPos))
		},
		*/

		/** 
		 * Returns white for dark colors and black for bright colors
		 */
		getContrast: function (color) {
			color = Color(color).rgba;
			return color[0] + color[1] + color[2] > 384 ? '#000' : '#FFF';
		},

		/**
		 * Create a button with preset states
		 * @param {String} text
		 * @param {Number} x
		 * @param {Number} y
		 * @param {Function} callback
		 * @param {Object} normalState
		 * @param {Object} hoverState
		 * @param {Object} pressedState
		 */
		button: function (text, x, y, callback, normalState, hoverState, pressedState, disabledState, shape) {
			var label = this.label(text, x, y, shape, null, null, null, null, 'button'),
				curState = 0,
				stateOptions,
				stateStyle,
				normalStyle,
				hoverStyle,
				pressedStyle,
				disabledStyle,
				verticalGradient = { x1: 0, y1: 0, x2: 0, y2: 1 };

			// Normal state - prepare the attributes
			normalState = merge({
				'stroke-width': 1,
				stroke: '#CCCCCC',
				fill: {
					linearGradient: verticalGradient,
					stops: [
						[0, '#FEFEFE'],
						[1, '#F6F6F6']
					]
				},
				r: 2,
				padding: 5,
				style: {
					color: 'black'
				}
			}, normalState);
			normalStyle = normalState.style;
			delete normalState.style;

			// Hover state
			hoverState = merge(normalState, {
				stroke: '#68A',
				fill: {
					linearGradient: verticalGradient,
					stops: [
						[0, '#FFF'],
						[1, '#ACF']
					]
				}
			}, hoverState);
			hoverStyle = hoverState.style;
			delete hoverState.style;

			// Pressed state
			pressedState = merge(normalState, {
				stroke: '#68A',
				fill: {
					linearGradient: verticalGradient,
					stops: [
						[0, '#9BD'],
						[1, '#CDF']
					]
				}
			}, pressedState);
			pressedStyle = pressedState.style;
			delete pressedState.style;

			// Disabled state
			disabledState = merge(normalState, {
				style: {
					color: '#CCC'
				}
			}, disabledState);
			disabledStyle = disabledState.style;
			delete disabledState.style;

			// Add the events. IE9 and IE10 need mouseover and mouseout to funciton (#667).
			addEvent(label.element, isIE ? 'mouseover' : 'mouseenter', function () {
				if (curState !== 3) {
					label.attr(hoverState)
						.css(hoverStyle);
				}
			});
			addEvent(label.element, isIE ? 'mouseout' : 'mouseleave', function () {
				if (curState !== 3) {
					stateOptions = [normalState, hoverState, pressedState][curState];
					stateStyle = [normalStyle, hoverStyle, pressedStyle][curState];
					label.attr(stateOptions)
						.css(stateStyle);
				}
			});

			label.setState = function (state) {
				label.state = curState = state;
				if (!state) {
					label.attr(normalState)
						.css(normalStyle);
				} else if (state === 2) {
					label.attr(pressedState)
						.css(pressedStyle);
				} else if (state === 3) {
					label.attr(disabledState)
						.css(disabledStyle);
				}
			};

			return label
				.on('click', function () {
					if (curState !== 3) {
						callback.call(label);
					}
				})
				.attr(normalState)
				.css(extend({ cursor: 'default' }, normalStyle));
		},

		/**
		 * Make a straight line crisper by not spilling out to neighbour pixels
		 * @param {Array} points
		 * @param {Number} width
		 */
		crispLine: function (points, width) {
			// points format: [M, 0, 0, L, 100, 0]
			// normalize to a crisp line
			if (points[1] === points[4]) {
				// Substract due to #1129. Now bottom and left axis gridlines behave the same.
				points[1] = points[4] = mathRound(points[1]) - (width % 2 / 2);
			}
			if (points[2] === points[5]) {
				points[2] = points[5] = mathRound(points[2]) + (width % 2 / 2);
			}
			return points;
		},


		/**
		 * Draw a path
		 * @param {Array} path An SVG path in array form
		 */
		path: function (path) {
			var attr = {
				fill: NONE
			};
			if (isArray(path)) {
				attr.d = path;
			} else if (isObject(path)) { // attributes
				extend(attr, path);
			}
			return this.createElement('path').attr(attr);
		},

		/**
		 * Draw and return an SVG circle
		 * @param {Number} x The x position
		 * @param {Number} y The y position
		 * @param {Number} r The radius
		 */
		circle: function (x, y, r) {
			var attr = isObject(x) ?
				x :
				{
					x: x,
					y: y,
					r: r
				},
				wrapper = this.createElement('circle');

			wrapper.xSetter = function (value) {
				this.element.setAttribute('cx', value);
			};
			wrapper.ySetter = function (value) {
				this.element.setAttribute('cy', value);
			};
			return wrapper.attr(attr);
		},

		/**
		 * Draw and return an arc
		 * @param {Number} x X position
		 * @param {Number} y Y position
		 * @param {Number} r Radius
		 * @param {Number} innerR Inner radius like used in donut charts
		 * @param {Number} start Starting angle
		 * @param {Number} end Ending angle
		 */
		arc: function (x, y, r, innerR, start, end) {
			var arc;

			if (isObject(x)) {
				y = x.y;
				r = x.r;
				innerR = x.innerR;
				start = x.start;
				end = x.end;
				x = x.x;
			}

			// Arcs are defined as symbols for the ability to set
			// attributes in attr and animate
			arc = this.symbol('arc', x || 0, y || 0, r || 0, r || 0, {
				innerR: innerR || 0,
				start: start || 0,
				end: end || 0
			});
			arc.r = r; // #959
			return arc;
		},

		/**
		 * Draw and return a rectangle
		 * @param {Number} x Left position
		 * @param {Number} y Top position
		 * @param {Number} width
		 * @param {Number} height
		 * @param {Number} r Border corner radius
		 * @param {Number} strokeWidth A stroke width can be supplied to allow crisp drawing
		 */
		rect: function (x, y, width, height, r, strokeWidth) {

			r = isObject(x) ? x.r : r;

			var wrapper = this.createElement('rect'),
				attribs = isObject(x) ? x : x === UNDEFINED ? {} : {
					x: x,
					y: y,
					width: mathMax(width, 0),
					height: mathMax(height, 0)
				};

			if (strokeWidth !== UNDEFINED) {
				attribs.strokeWidth = strokeWidth;
				attribs = wrapper.crisp(attribs);
			}

			if (r) {
				attribs.r = r;
			}

			wrapper.rSetter = function (value) {
				attr(this.element, {
					rx: value,
					ry: value
				});
			};
			
			return wrapper.attr(attribs);
		},

		/**
		 * Resize the box and re-align all aligned elements
		 * @param {Object} width
		 * @param {Object} height
		 * @param {Boolean} animate
		 *
		 */
		setSize: function (width, height, animate) {
			var renderer = this,
				alignedObjects = renderer.alignedObjects,
				i = alignedObjects.length;

			renderer.width = width;
			renderer.height = height;

			renderer.boxWrapper[pick(animate, true) ? 'animate' : 'attr']({
				width: width,
				height: height
			});

			while (i--) {
				alignedObjects[i].align();
			}
		},

		/**
		 * Create a group
		 * @param {String} name The group will be given a class name of 'highcharts-{name}'.
		 *	 This can be used for styling and scripting.
		 */
		g: function (name) {
			var elem = this.createElement('g');
			return defined(name) ? elem.attr({ 'class': PREFIX + name }) : elem;
		},

		/**
		 * Display an image
		 * @param {String} src
		 * @param {Number} x
		 * @param {Number} y
		 * @param {Number} width
		 * @param {Number} height
		 */
		image: function (src, x, y, width, height) {
			var attribs = {
					preserveAspectRatio: NONE
				},
				elemWrapper;

			// optional properties
			if (arguments.length > 1) {
				extend(attribs, {
					x: x,
					y: y,
					width: width,
					height: height
				});
			}

			elemWrapper = this.createElement('image').attr(attribs);

			// set the href in the xlink namespace
			if (elemWrapper.element.setAttributeNS) {
				elemWrapper.element.setAttributeNS('http://www.w3.org/1999/xlink',
					'href', src);
			} else {
				// could be exporting in IE
				// using href throws "not supported" in ie7 and under, requries regex shim to fix later
				elemWrapper.element.setAttribute('hc-svg-href', src);
			}
			return elemWrapper;
		},

		/**
		 * Draw a symbol out of pre-defined shape paths from the namespace 'symbol' object.
		 *
		 * @param {Object} symbol
		 * @param {Object} x
		 * @param {Object} y
		 * @param {Object} radius
		 * @param {Object} options
		 */
		symbol: function (symbol, x, y, width, height, options) {

			var obj,

				// get the symbol definition function
				symbolFn = this.symbols[symbol],

				// check if there's a path defined for this symbol
				path = symbolFn && symbolFn(
					mathRound(x),
					mathRound(y),
					width,
					height,
					options
				),

				imageElement,
				imageRegex = /^url\((.*?)\)$/,
				imageSrc,
				imageSize,
				centerImage;

			if (path) {

				obj = this.path(path);
				// expando properties for use in animate and attr
				extend(obj, {
					symbolName: symbol,
					x: x,
					y: y,
					width: width,
					height: height
				});
				if (options) {
					extend(obj, options);
				}


			// image symbols
			} else if (imageRegex.test(symbol)) {

				// On image load, set the size and position
				centerImage = function (img, size) {
					if (img.element) { // it may be destroyed in the meantime (#1390)
						img.attr({
							width: size[0],
							height: size[1]
						});

						if (!img.alignByTranslate) { // #185
							img.translate(
								mathRound((width - size[0]) / 2), // #1378
								mathRound((height - size[1]) / 2)
							);
						}
					}
				};

				imageSrc = symbol.match(imageRegex)[1];
				imageSize = symbolSizes[imageSrc] || (options && options.width && options.height && [options.width, options.height]);

				// Ireate the image synchronously, add attribs async
				obj = this.image(imageSrc)
					.attr({
						x: x,
						y: y
					});
				obj.isImg = true;

				if (imageSize) {
					centerImage(obj, imageSize);
				} else {
					// Initialize image to be 0 size so export will still function if there's no cached sizes.
					obj.attr({ width: 0, height: 0 });

					// Create a dummy JavaScript image to get the width and height. Due to a bug in IE < 8,
					// the created element must be assigned to a variable in order to load (#292).
					imageElement = createElement('img', {
						onload: function () {
							centerImage(obj, symbolSizes[imageSrc] = [this.width, this.height]);
						},
						src: imageSrc
					});
				}
			}

			return obj;
		},

		/**
		 * An extendable collection of functions for defining symbol paths.
		 */
		symbols: {
			'circle': function (x, y, w, h) {
				var cpw = 0.166 * w;
				return [
					M, x + w / 2, y,
					'C', x + w + cpw, y, x + w + cpw, y + h, x + w / 2, y + h,
					'C', x - cpw, y + h, x - cpw, y, x + w / 2, y,
					'Z'
				];
			},

			'square': function (x, y, w, h) {
				return [
					M, x, y,
					L, x + w, y,
					x + w, y + h,
					x, y + h,
					'Z'
				];
			},

			'triangle': function (x, y, w, h) {
				return [
					M, x + w / 2, y,
					L, x + w, y + h,
					x, y + h,
					'Z'
				];
			},

			'triangle-down': function (x, y, w, h) {
				return [
					M, x, y,
					L, x + w, y,
					x + w / 2, y + h,
					'Z'
				];
			},
			'diamond': function (x, y, w, h) {
				return [
					M, x + w / 2, y,
					L, x + w, y + h / 2,
					x + w / 2, y + h,
					x, y + h / 2,
					'Z'
				];
			},
			'arc': function (x, y, w, h, options) {
				var start = options.start,
					radius = options.r || w || h,
					end = options.end - 0.001, // to prevent cos and sin of start and end from becoming equal on 360 arcs (related: #1561)
					innerRadius = options.innerR,
					open = options.open,
					cosStart = mathCos(start),
					sinStart = mathSin(start),
					cosEnd = mathCos(end),
					sinEnd = mathSin(end),
					longArc = options.end - start < mathPI ? 0 : 1;

				return [
					M,
					x + radius * cosStart,
					y + radius * sinStart,
					'A', // arcTo
					radius, // x radius
					radius, // y radius
					0, // slanting
					longArc, // long or short arc
					1, // clockwise
					x + radius * cosEnd,
					y + radius * sinEnd,
					open ? M : L,
					x + innerRadius * cosEnd,
					y + innerRadius * sinEnd,
					'A', // arcTo
					innerRadius, // x radius
					innerRadius, // y radius
					0, // slanting
					longArc, // long or short arc
					0, // clockwise
					x + innerRadius * cosStart,
					y + innerRadius * sinStart,

					open ? '' : 'Z' // close
				];
			},

			/**
			 * Callout shape used for default tooltips, also used for rounded rectangles in VML
			 */
			callout: function (x, y, w, h, options) {
				var arrowLength = 6,
					halfDistance = 6,
					r = mathMin((options && options.r) || 0, w, h),
					safeDistance = r + halfDistance,
					anchorX = options && options.anchorX,
					anchorY = options && options.anchorY,
					path,
					normalizer = mathRound(options.strokeWidth || 0) % 2 / 2; // mathRound because strokeWidth can sometimes have roundoff errors;

				x += normalizer;
				y += normalizer;
				path = [
					'M', x + r, y, 
					'L', x + w - r, y, // top side
					'C', x + w, y, x + w, y, x + w, y + r, // top-right corner
					'L', x + w, y + h - r, // right side
					'C', x + w, y + h, x + w, y + h, x + w - r, y + h, // bottom-right corner
					'L', x + r, y + h, // bottom side
					'C', x, y + h, x, y + h, x, y + h - r, // bottom-left corner
					'L', x, y + r, // left side
					'C', x, y, x, y, x + r, y // top-right corner
				];
				
				if (anchorX && anchorX > w && anchorY > y + safeDistance && anchorY < y + h - safeDistance) { // replace right side
					path.splice(13, 3,
						'L', x + w, anchorY - halfDistance, 
						x + w + arrowLength, anchorY,
						x + w, anchorY + halfDistance,
						x + w, y + h - r
					);
				} else if (anchorX && anchorX < 0 && anchorY > y + safeDistance && anchorY < y + h - safeDistance) { // replace left side
					path.splice(33, 3, 
						'L', x, anchorY + halfDistance, 
						x - arrowLength, anchorY,
						x, anchorY - halfDistance,
						x, y + r
					);
				} else if (anchorY && anchorY > h && anchorX > x + safeDistance && anchorX < x + w - safeDistance) { // replace bottom
					path.splice(23, 3,
						'L', anchorX + halfDistance, y + h,
						anchorX, y + h + arrowLength,
						anchorX - halfDistance, y + h,
						x + r, y + h
					);
				} else if (anchorY && anchorY < 0 && anchorX > x + safeDistance && anchorX < x + w - safeDistance) { // replace top
					path.splice(3, 3,
						'L', anchorX - halfDistance, y,
						anchorX, y - arrowLength,
						anchorX + halfDistance, y,
						w - r, y
					);
				}
				return path;
			}
		},

		/**
		 * Define a clipping rectangle
		 * @param {String} id
		 * @param {Number} x
		 * @param {Number} y
		 * @param {Number} width
		 * @param {Number} height
		 */
		clipRect: function (x, y, width, height) {
			var wrapper,
				id = PREFIX + idCounter++,

				clipPath = this.createElement('clipPath').attr({
					id: id
				}).add(this.defs);

			wrapper = this.rect(x, y, width, height, 0).add(clipPath);
			wrapper.id = id;
			wrapper.clipPath = clipPath;
			wrapper.count = 0;

			return wrapper;
		},


		


		/**
		 * Add text to the SVG object
		 * @param {String} str
		 * @param {Number} x Left position
		 * @param {Number} y Top position
		 * @param {Boolean} useHTML Use HTML to render the text
		 */
		text: function (str, x, y, useHTML) {

			// declare variables
			var renderer = this,
				fakeSVG = useCanVG || (!hasSVG && renderer.forExport),
				wrapper,
				attr = {};

			if (useHTML && !renderer.forExport) {
				return renderer.html(str, x, y);
			}

			attr.x = Math.round(x || 0); // X is always needed for line-wrap logic
			if (y) {
				attr.y = Math.round(y);
			}
			if (str || str === 0) {
				attr.text = str;
			}

			wrapper = renderer.createElement('text')
				.attr(attr);

			// Prevent wrapping from creating false offsetWidths in export in legacy IE (#1079, #1063)
			if (fakeSVG) {
				wrapper.css({
					position: ABSOLUTE
				});
			}

			if (!useHTML) {
				wrapper.xSetter = function (value, key, element) {
					var tspans = element.getElementsByTagName('tspan'),
						tspan,
						parentVal = element.getAttribute(key),
						i;
					for (i = 0; i < tspans.length; i++) {
						tspan = tspans[i];
						// If the x values are equal, the tspan represents a linebreak
						if (tspan.getAttribute(key) === parentVal) {
							tspan.setAttribute(key, value);
						}
					}
					element.setAttribute(key, value);
				};
			}
			
			return wrapper;
		},

		/**
		 * Utility to return the baseline offset and total line height from the font size
		 */
		fontMetrics: function (fontSize, elem) {
			fontSize = fontSize || this.style.fontSize;
			if (elem && win.getComputedStyle) {
				elem = elem.element || elem; // SVGElement
				fontSize = win.getComputedStyle(elem, "").fontSize;
			}
			fontSize = /px/.test(fontSize) ? pInt(fontSize) : /em/.test(fontSize) ? parseFloat(fontSize) * 12 : 12;

			// Empirical values found by comparing font size and bounding box height.
			// Applies to the default font family. http://jsfiddle.net/highcharts/7xvn7/
			var lineHeight = fontSize < 24 ? fontSize + 3 : mathRound(fontSize * 1.2),
				baseline = mathRound(lineHeight * 0.8);

			return {
				h: lineHeight,
				b: baseline,
				f: fontSize
			};
		},

		/**
		 * Correct X and Y positioning of a label for rotation (#1764)
		 */
		rotCorr: function (baseline, rotation, alterY) {
			var y = baseline;
			if (rotation && alterY) {
				y = mathMax(y * mathCos(rotation * deg2rad), 4);
			}
			return {
				x: (-baseline / 3) * mathSin(rotation * deg2rad),
				y: y
			};
		},

		/**
		 * Add a label, a text item that can hold a colored or gradient background
		 * as well as a border and shadow.
		 * @param {string} str
		 * @param {Number} x
		 * @param {Number} y
		 * @param {String} shape
		 * @param {Number} anchorX In case the shape has a pointer, like a flag, this is the
		 *	coordinates it should be pinned to
		 * @param {Number} anchorY
		 * @param {Boolean} baseline Whether to position the label relative to the text baseline,
		 *	like renderer.text, or to the upper border of the rectangle.
		 * @param {String} className Class name for the group
		 */
		label: function (str, x, y, shape, anchorX, anchorY, useHTML, baseline, className) {

			var renderer = this,
				wrapper = renderer.g(className),
				text = renderer.text('', 0, 0, useHTML)
					.attr({
						zIndex: 1
					}),
					//.add(wrapper),
				box,
				bBox,
				alignFactor = 0,
				padding = 3,
				paddingLeft = 0,
				width,
				height,
				wrapperX,
				wrapperY,
				crispAdjust = 0,
				deferredAttr = {},
				baselineOffset,
				needsBox;

			/**
			 * This function runs after the label is added to the DOM (when the bounding box is
			 * available), and after the text of the label is updated to detect the new bounding
			 * box and reflect it in the border box.
			 */
			function updateBoxSize() {
				var boxX,
					boxY,
					style = text.element.style;

				bBox = (width === undefined || height === undefined || wrapper.styles.textAlign) && defined(text.textStr) && 
					text.getBBox(); //#3295 && 3514 box failure when string equals 0
				wrapper.width = (width || bBox.width || 0) + 2 * padding + paddingLeft;
				wrapper.height = (height || bBox.height || 0) + 2 * padding;

				// update the label-scoped y offset
				baselineOffset = padding + renderer.fontMetrics(style && style.fontSize, text).b;

				
				if (needsBox) {

					// create the border box if it is not already present
					if (!box) {
						boxX = mathRound(-alignFactor * padding);
						boxY = baseline ? -baselineOffset : 0;

						wrapper.box = box = shape ?
							renderer.symbol(shape, boxX, boxY, wrapper.width, wrapper.height, deferredAttr) :
							renderer.rect(boxX, boxY, wrapper.width, wrapper.height, 0, deferredAttr[STROKE_WIDTH]);
						box.attr('fill', NONE).add(wrapper);
					}

					// apply the box attributes
					if (!box.isImg) { // #1630
						box.attr(extend({
							width: mathRound(wrapper.width),
							height: mathRound(wrapper.height)
						}, deferredAttr));
					}
					deferredAttr = null;
				}
			}

			/**
			 * This function runs after setting text or padding, but only if padding is changed
			 */
			function updateTextPadding() {
				var styles = wrapper.styles,
					textAlign = styles && styles.textAlign,
					x = paddingLeft + padding * (1 - alignFactor),
					y;

				// determin y based on the baseline
				y = baseline ? 0 : baselineOffset;

				// compensate for alignment
				if (defined(width) && bBox && (textAlign === 'center' || textAlign === 'right')) {
					x += { center: 0.5, right: 1 }[textAlign] * (width - bBox.width);
				}

				// update if anything changed
				if (x !== text.x || y !== text.y) {
					text.attr('x', x);
					if (y !== UNDEFINED) {
						text.attr('y', y);
					}
				}

				// record current values
				text.x = x;
				text.y = y;
			}

			/**
			 * Set a box attribute, or defer it if the box is not yet created
			 * @param {Object} key
			 * @param {Object} value
			 */
			function boxAttr(key, value) {
				if (box) {
					box.attr(key, value);
				} else {
					deferredAttr[key] = value;
				}
			}

			/**
			 * After the text element is added, get the desired size of the border box
			 * and add it before the text in the DOM.
			 */
			wrapper.onAdd = function () {
				text.add(wrapper);
				wrapper.attr({
					text: (str || str === 0) ? str : '', // alignment is available now // #3295: 0 not rendered if given as a value
					x: x,
					y: y
				});

				if (box && defined(anchorX)) {
					wrapper.attr({
						anchorX: anchorX,
						anchorY: anchorY
					});
				}
			};

			/*
			 * Add specific attribute setters.
			 */

			// only change local variables
			wrapper.widthSetter = function (value) {
				width = value;
			};
			wrapper.heightSetter = function (value) {
				height = value;
			};
			wrapper.paddingSetter =  function (value) {
				if (defined(value) && value !== padding) {
					padding = wrapper.padding = value;
					updateTextPadding();
				}
			};
			wrapper.paddingLeftSetter =  function (value) {
				if (defined(value) && value !== paddingLeft) {
					paddingLeft = value;
					updateTextPadding();
				}
			};


			// change local variable and prevent setting attribute on the group
			wrapper.alignSetter = function (value) {
				alignFactor = { left: 0, center: 0.5, right: 1 }[value];
			};

			// apply these to the box and the text alike
			wrapper.textSetter = function (value) {
				if (value !== UNDEFINED) {
					text.textSetter(value);
				}
				updateBoxSize();
				updateTextPadding();
			};

			// apply these to the box but not to the text
			wrapper['stroke-widthSetter'] = function (value, key) {
				if (value) {
					needsBox = true;
				}
				crispAdjust = value % 2 / 2;
				boxAttr(key, value);
			};
			wrapper.strokeSetter = wrapper.fillSetter = wrapper.rSetter = function (value, key) {
				if (key === 'fill' && value) {
					needsBox = true;
				}
				boxAttr(key, value);
			};
			wrapper.anchorXSetter = function (value, key) {
				anchorX = value;
				boxAttr(key, value + crispAdjust - wrapperX);
			};
			wrapper.anchorYSetter = function (value, key) {
				anchorY = value;
				boxAttr(key, value - wrapperY);
			};

			// rename attributes
			wrapper.xSetter = function (value) {
				wrapper.x = value; // for animation getter
				if (alignFactor) {
					value -= alignFactor * ((width || bBox.width) + padding);
				}
				wrapperX = mathRound(value);
				wrapper.attr('translateX', wrapperX);
			};
			wrapper.ySetter = function (value) {
				wrapperY = wrapper.y = mathRound(value);
				wrapper.attr('translateY', wrapperY);
			};

			// Redirect certain methods to either the box or the text
			var baseCss = wrapper.css;
			return extend(wrapper, {
				/**
				 * Pick up some properties and apply them to the text instead of the wrapper
				 */
				css: function (styles) {
					if (styles) {
						var textStyles = {};
						styles = merge(styles); // create a copy to avoid altering the original object (#537)
						each(wrapper.textProps, function (prop) {
							if (styles[prop] !== UNDEFINED) {
								textStyles[prop] = styles[prop];
								delete styles[prop];
							}
						});
						text.css(textStyles);
					}
					return baseCss.call(wrapper, styles);
				},
				/**
				 * Return the bounding box of the box, not the group
				 */
				getBBox: function () {
					return {
						width: bBox.width + 2 * padding,
						height: bBox.height + 2 * padding,
						x: bBox.x - padding,
						y: bBox.y - padding
					};
				},
				/**
				 * Apply the shadow to the box
				 */
				shadow: function (b) {
					if (box) {
						box.shadow(b);
					}
					return wrapper;
				},
				/**
				 * Destroy and release memory.
				 */
				destroy: function () {

					// Added by button implementation
					removeEvent(wrapper.element, 'mouseenter');
					removeEvent(wrapper.element, 'mouseleave');

					if (text) {
						text = text.destroy();
					}
					if (box) {
						box = box.destroy();
					}
					// Call base implementation to destroy the rest
					SVGElement.prototype.destroy.call(wrapper);

					// Release local pointers (#1298)
					wrapper = renderer = updateBoxSize = updateTextPadding = boxAttr = null;
				}
			});
		}
	}; // end SVGRenderer


	// general renderer
	Renderer = SVGRenderer;
	// extend SvgElement for useHTML option
	extend(SVGElement.prototype, {
		/**
		 * Apply CSS to HTML elements. This is used in text within SVG rendering and
		 * by the VML renderer
		 */
		htmlCss: function (styles) {
			var wrapper = this,
				element = wrapper.element,
				textWidth = styles && element.tagName === 'SPAN' && styles.width;

			if (textWidth) {
				delete styles.width;
				wrapper.textWidth = textWidth;
				wrapper.updateTransform();
			}
			if (styles && styles.textOverflow === 'ellipsis') {
				styles.whiteSpace = 'nowrap';
				styles.overflow = 'hidden';
			}
			wrapper.styles = extend(wrapper.styles, styles);
			css(wrapper.element, styles);

			return wrapper;
		},

		/**
		 * VML and useHTML method for calculating the bounding box based on offsets
		 * @param {Boolean} refresh Whether to force a fresh value from the DOM or to
		 * use the cached value
		 *
		 * @return {Object} A hash containing values for x, y, width and height
		 */

		htmlGetBBox: function () {
			var wrapper = this,
				element = wrapper.element;

			// faking getBBox in exported SVG in legacy IE
			// faking getBBox in exported SVG in legacy IE (is this a duplicate of the fix for #1079?)
			if (element.nodeName === 'text') {
				element.style.position = ABSOLUTE;
			}

			return {
				x: element.offsetLeft,
				y: element.offsetTop,
				width: element.offsetWidth,
				height: element.offsetHeight
			};
		},

		/**
		 * VML override private method to update elements based on internal
		 * properties based on SVG transform
		 */
		htmlUpdateTransform: function () {
			// aligning non added elements is expensive
			if (!this.added) {
				this.alignOnAdd = true;
				return;
			}

			var wrapper = this,
				renderer = wrapper.renderer,
				elem = wrapper.element,
				translateX = wrapper.translateX || 0,
				translateY = wrapper.translateY || 0,
				x = wrapper.x || 0,
				y = wrapper.y || 0,
				align = wrapper.textAlign || 'left',
				alignCorrection = { left: 0, center: 0.5, right: 1 }[align],
				shadows = wrapper.shadows,
				styles = wrapper.styles;

			// apply translate
			css(elem, {
				marginLeft: translateX,
				marginTop: translateY
			});
			if (shadows) { // used in labels/tooltip
				each(shadows, function (shadow) {
					css(shadow, {
						marginLeft: translateX + 1,
						marginTop: translateY + 1
					});
				});
			}

			// apply inversion
			if (wrapper.inverted) { // wrapper is a group
				each(elem.childNodes, function (child) {
					renderer.invertChild(child, elem);
				});
			}

			if (elem.tagName === 'SPAN') {

				var width,
					rotation = wrapper.rotation,
					baseline,
					textWidth = pInt(wrapper.textWidth),
					currentTextTransform = [rotation, align, elem.innerHTML, wrapper.textWidth].join(',');

				if (currentTextTransform !== wrapper.cTT) { // do the calculations and DOM access only if properties changed


					baseline = renderer.fontMetrics(elem.style.fontSize).b;

					// Renderer specific handling of span rotation
					if (defined(rotation)) {
						wrapper.setSpanRotation(rotation, alignCorrection, baseline);
					}

					width = pick(wrapper.elemWidth, elem.offsetWidth);

					// Update textWidth
					if (width > textWidth && /[ \-]/.test(elem.textContent || elem.innerText)) { // #983, #1254
						css(elem, {
							width: textWidth + PX,
							display: 'block',
							whiteSpace: (styles && styles.whiteSpace) || 'normal' // #3331
						});
						width = textWidth;
					}

					wrapper.getSpanCorrection(width, baseline, alignCorrection, rotation, align);
				}

				// apply position with correction
				css(elem, {
					left: (x + (wrapper.xCorr || 0)) + PX,
					top: (y + (wrapper.yCorr || 0)) + PX
				});

				// force reflow in webkit to apply the left and top on useHTML element (#1249)
				if (isWebKit) {
					baseline = elem.offsetHeight; // assigned to baseline for JSLint purpose
				}

				// record current text transform
				wrapper.cTT = currentTextTransform;
			}
		},

		/**
		 * Set the rotation of an individual HTML span
		 */
		setSpanRotation: function (rotation, alignCorrection, baseline) {
			var rotationStyle = {},
				cssTransformKey = isIE ? '-ms-transform' : isWebKit ? '-webkit-transform' : isFirefox ? 'MozTransform' : isOpera ? '-o-transform' : '';

			rotationStyle[cssTransformKey] = rotationStyle.transform = 'rotate(' + rotation + 'deg)';
			rotationStyle[cssTransformKey + (isFirefox ? 'Origin' : '-origin')] = rotationStyle.transformOrigin = (alignCorrection * 100) + '% ' + baseline + 'px';
			css(this.element, rotationStyle);
		},

		/**
		 * Get the correction in X and Y positioning as the element is rotated.
		 */
		getSpanCorrection: function (width, baseline, alignCorrection) {
			this.xCorr = -width * alignCorrection;
			this.yCorr = -baseline;
		}
	});

	// Extend SvgRenderer for useHTML option.
	extend(SVGRenderer.prototype, {
		/**
		 * Create HTML text node. This is used by the VML renderer as well as the SVG
		 * renderer through the useHTML option.
		 *
		 * @param {String} str
		 * @param {Number} x
		 * @param {Number} y
		 */
		html: function (str, x, y) {
			var wrapper = this.createElement('span'),
				element = wrapper.element,
				renderer = wrapper.renderer;

			// Text setter
			wrapper.textSetter = function (value) {
				if (value !== element.innerHTML) {
					delete this.bBox;
				}
				element.innerHTML = this.textStr = value;
			};

			// Various setters which rely on update transform
			wrapper.xSetter = wrapper.ySetter = wrapper.alignSetter = wrapper.rotationSetter = function (value, key) {
				if (key === 'align') {
					key = 'textAlign'; // Do not overwrite the SVGElement.align method. Same as VML.
				}
				wrapper[key] = value;
				wrapper.htmlUpdateTransform();
			};

			// Set the default attributes
			wrapper.attr({
					text: str,
					x: mathRound(x),
					y: mathRound(y)
				})
				.css({
					position: ABSOLUTE,
					fontFamily: this.style.fontFamily,
					fontSize: this.style.fontSize
				});

			// Keep the whiteSpace style outside the wrapper.styles collection
			element.style.whiteSpace = 'nowrap';

			// Use the HTML specific .css method
			wrapper.css = wrapper.htmlCss;

			// This is specific for HTML within SVG
			if (renderer.isSVG) {
				wrapper.add = function (svgGroupWrapper) {

					var htmlGroup,
						container = renderer.box.parentNode,
						parentGroup,
						parents = [];

					this.parentGroup = svgGroupWrapper;

					// Create a mock group to hold the HTML elements
					if (svgGroupWrapper) {
						htmlGroup = svgGroupWrapper.div;
						if (!htmlGroup) {

							// Read the parent chain into an array and read from top down
							parentGroup = svgGroupWrapper;
							while (parentGroup) {

								parents.push(parentGroup);

								// Move up to the next parent group
								parentGroup = parentGroup.parentGroup;
							}

							// Ensure dynamically updating position when any parent is translated
							each(parents.reverse(), function (parentGroup) {
								var htmlGroupStyle;

								// Create a HTML div and append it to the parent div to emulate
								// the SVG group structure
								htmlGroup = parentGroup.div = parentGroup.div || createElement(DIV, {
									className: attr(parentGroup.element, 'class')
								}, {
									position: ABSOLUTE,
									left: (parentGroup.translateX || 0) + PX,
									top: (parentGroup.translateY || 0) + PX
								}, htmlGroup || container); // the top group is appended to container

								// Shortcut
								htmlGroupStyle = htmlGroup.style;

								// Set listeners to update the HTML div's position whenever the SVG group
								// position is changed
								extend(parentGroup, {
									translateXSetter: function (value, key) {
										htmlGroupStyle.left = value + PX;
										parentGroup[key] = value;
										parentGroup.doTransform = true;
									},
									translateYSetter: function (value, key) {
										htmlGroupStyle.top = value + PX;
										parentGroup[key] = value;
										parentGroup.doTransform = true;
									},
									visibilitySetter: function (value, key) {
										htmlGroupStyle[key] = value;
									}
								});
							});

						}
					} else {
						htmlGroup = container;
					}

					htmlGroup.appendChild(element);

					// Shared with VML:
					wrapper.added = true;
					if (wrapper.alignOnAdd) {
						wrapper.htmlUpdateTransform();
					}

					return wrapper;
				};
			}
			return wrapper;
		}
	});

	/* ****************************************************************************
	 *                                                                            *
	 * START OF INTERNET EXPLORER <= 8 SPECIFIC CODE                              *
	 *                                                                            *
	 * For applications and websites that don't need IE support, like platform    *
	 * targeted mobile apps and web apps, this code can be removed.               *
	 *                                                                            *
	 *****************************************************************************/

	/**
	 * @constructor
	 */
	var VMLRenderer, VMLElement;
	if (!hasSVG && !useCanVG) {

	/**
	 * The VML element wrapper.
	 */
	VMLElement = {

		/**
		 * Initialize a new VML element wrapper. It builds the markup as a string
		 * to minimize DOM traffic.
		 * @param {Object} renderer
		 * @param {Object} nodeName
		 */
		init: function (renderer, nodeName) {
			var wrapper = this,
				markup =  ['<', nodeName, ' filled="f" stroked="f"'],
				style = ['position: ', ABSOLUTE, ';'],
				isDiv = nodeName === DIV;

			// divs and shapes need size
			if (nodeName === 'shape' || isDiv) {
				style.push('left:0;top:0;width:1px;height:1px;');
			}
			style.push('visibility: ', isDiv ? HIDDEN : VISIBLE);

			markup.push(' style="', style.join(''), '"/>');

			// create element with default attributes and style
			if (nodeName) {
				markup = isDiv || nodeName === 'span' || nodeName === 'img' ?
					markup.join('')
					: renderer.prepVML(markup);
				wrapper.element = createElement(markup);
			}

			wrapper.renderer = renderer;
		},

		/**
		 * Add the node to the given parent
		 * @param {Object} parent
		 */
		add: function (parent) {
			var wrapper = this,
				renderer = wrapper.renderer,
				element = wrapper.element,
				box = renderer.box,
				inverted = parent && parent.inverted,

				// get the parent node
				parentNode = parent ?
					parent.element || parent :
					box;


			// if the parent group is inverted, apply inversion on all children
			if (inverted) { // only on groups
				renderer.invertChild(element, parentNode);
			}

			// append it
			parentNode.appendChild(element);

			// align text after adding to be able to read offset
			wrapper.added = true;
			if (wrapper.alignOnAdd && !wrapper.deferUpdateTransform) {
				wrapper.updateTransform();
			}

			// fire an event for internal hooks
			if (wrapper.onAdd) {
				wrapper.onAdd();
			}

			return wrapper;
		},

		/**
		 * VML always uses htmlUpdateTransform
		 */
		updateTransform: SVGElement.prototype.htmlUpdateTransform,

		/**
		 * Set the rotation of a span with oldIE's filter
		 */
		setSpanRotation: function () {
			// Adjust for alignment and rotation. Rotation of useHTML content is not yet implemented
			// but it can probably be implemented for Firefox 3.5+ on user request. FF3.5+
			// has support for CSS3 transform. The getBBox method also needs to be updated
			// to compensate for the rotation, like it currently does for SVG.
			// Test case: http://jsfiddle.net/highcharts/Ybt44/

			var rotation = this.rotation,
				costheta = mathCos(rotation * deg2rad),
				sintheta = mathSin(rotation * deg2rad);
						
			css(this.element, {
				filter: rotation ? ['progid:DXImageTransform.Microsoft.Matrix(M11=', costheta,
					', M12=', -sintheta, ', M21=', sintheta, ', M22=', costheta,
					', sizingMethod=\'auto expand\')'].join('') : NONE
			});
		},

		/**
		 * Get the positioning correction for the span after rotating. 
		 */
		getSpanCorrection: function (width, baseline, alignCorrection, rotation, align) {

			var costheta = rotation ? mathCos(rotation * deg2rad) : 1,
				sintheta = rotation ? mathSin(rotation * deg2rad) : 0,
				height = pick(this.elemHeight, this.element.offsetHeight),
				quad,
				nonLeft = align && align !== 'left';

			// correct x and y
			this.xCorr = costheta < 0 && -width;
			this.yCorr = sintheta < 0 && -height;

			// correct for baseline and corners spilling out after rotation
			quad = costheta * sintheta < 0;
			this.xCorr += sintheta * baseline * (quad ? 1 - alignCorrection : alignCorrection);
			this.yCorr -= costheta * baseline * (rotation ? (quad ? alignCorrection : 1 - alignCorrection) : 1);
			// correct for the length/height of the text
			if (nonLeft) {
				this.xCorr -= width * alignCorrection * (costheta < 0 ? -1 : 1);
				if (rotation) {
					this.yCorr -= height * alignCorrection * (sintheta < 0 ? -1 : 1);
				}
				css(this.element, {
					textAlign: align
				});
			}
		},

		/**
		 * Converts a subset of an SVG path definition to its VML counterpart. Takes an array
		 * as the parameter and returns a string.
		 */
		pathToVML: function (value) {
			// convert paths
			var i = value.length,
				path = [];

			while (i--) {

				// Multiply by 10 to allow subpixel precision.
				// Substracting half a pixel seems to make the coordinates
				// align with SVG, but this hasn't been tested thoroughly
				if (isNumber(value[i])) {
					path[i] = mathRound(value[i] * 10) - 5;
				} else if (value[i] === 'Z') { // close the path
					path[i] = 'x';
				} else {
					path[i] = value[i];

					// When the start X and end X coordinates of an arc are too close,
					// they are rounded to the same value above. In this case, substract or 
					// add 1 from the end X and Y positions. #186, #760, #1371, #1410.
					if (value.isArc && (value[i] === 'wa' || value[i] === 'at')) {
						// Start and end X
						if (path[i + 5] === path[i + 7]) {
							path[i + 7] += value[i + 7] > value[i + 5] ? 1 : -1;
						}
						// Start and end Y
						if (path[i + 6] === path[i + 8]) {
							path[i + 8] += value[i + 8] > value[i + 6] ? 1 : -1;
						}
					}
				}
			}

			
			// Loop up again to handle path shortcuts (#2132)
			/*while (i++ < path.length) {
				if (path[i] === 'H') { // horizontal line to
					path[i] = 'L';
					path.splice(i + 2, 0, path[i - 1]);
				} else if (path[i] === 'V') { // vertical line to
					path[i] = 'L';
					path.splice(i + 1, 0, path[i - 2]);
				}
			}*/
			return path.join(' ') || 'x';
		},

		/**
		 * Set the element's clipping to a predefined rectangle
		 *
		 * @param {String} id The id of the clip rectangle
		 */
		clip: function (clipRect) {
			var wrapper = this,
				clipMembers,
				cssRet;

			if (clipRect) {
				clipMembers = clipRect.members;
				erase(clipMembers, wrapper); // Ensure unique list of elements (#1258)
				clipMembers.push(wrapper);
				wrapper.destroyClip = function () {
					erase(clipMembers, wrapper);
				};
				cssRet = clipRect.getCSS(wrapper);

			} else {
				if (wrapper.destroyClip) {
					wrapper.destroyClip();
				}
				cssRet = { clip: docMode8 ? 'inherit' : 'rect(auto)' }; // #1214
			}

			return wrapper.css(cssRet);

		},

		/**
		 * Set styles for the element
		 * @param {Object} styles
		 */
		css: SVGElement.prototype.htmlCss,

		/**
		 * Removes a child either by removeChild or move to garbageBin.
		 * Issue 490; in VML removeChild results in Orphaned nodes according to sIEve, discardElement does not.
		 */
		safeRemoveChild: function (element) {
			// discardElement will detach the node from its parent before attaching it
			// to the garbage bin. Therefore it is important that the node is attached and have parent.
			if (element.parentNode) {
				discardElement(element);
			}
		},

		/**
		 * Extend element.destroy by removing it from the clip members array
		 */
		destroy: function () {
			if (this.destroyClip) {
				this.destroyClip();
			}

			return SVGElement.prototype.destroy.apply(this);
		},

		/**
		 * Add an event listener. VML override for normalizing event parameters.
		 * @param {String} eventType
		 * @param {Function} handler
		 */
		on: function (eventType, handler) {
			// simplest possible event model for internal use
			this.element['on' + eventType] = function () {
				var evt = win.event;
				evt.target = evt.srcElement;
				handler(evt);
			};
			return this;
		},

		/**
		 * In stacked columns, cut off the shadows so that they don't overlap
		 */
		cutOffPath: function (path, length) {

			var len;

			path = path.split(/[ ,]/);
			len = path.length;

			if (len === 9 || len === 11) {
				path[len - 4] = path[len - 2] = pInt(path[len - 2]) - 10 * length;
			}
			return path.join(' ');
		},

		/**
		 * Apply a drop shadow by copying elements and giving them different strokes
		 * @param {Boolean|Object} shadowOptions
		 */
		shadow: function (shadowOptions, group, cutOff) {
			var shadows = [],
				i,
				element = this.element,
				renderer = this.renderer,
				shadow,
				elemStyle = element.style,
				markup,
				path = element.path,
				strokeWidth,
				modifiedPath,
				shadowWidth,
				shadowElementOpacity;

			// some times empty paths are not strings
			if (path && typeof path.value !== 'string') {
				path = 'x';
			}
			modifiedPath = path;

			if (shadowOptions) {
				shadowWidth = pick(shadowOptions.width, 3);
				shadowElementOpacity = (shadowOptions.opacity || 0.15) / shadowWidth;
				for (i = 1; i <= 3; i++) {

					strokeWidth = (shadowWidth * 2) + 1 - (2 * i);

					// Cut off shadows for stacked column items
					if (cutOff) {
						modifiedPath = this.cutOffPath(path.value, strokeWidth + 0.5);
					}

					markup = ['<shape isShadow="true" strokeweight="', strokeWidth,
						'" filled="false" path="', modifiedPath,
						'" coordsize="10 10" style="', element.style.cssText, '" />'];

					shadow = createElement(renderer.prepVML(markup),
						null, {
							left: pInt(elemStyle.left) + pick(shadowOptions.offsetX, 1),
							top: pInt(elemStyle.top) + pick(shadowOptions.offsetY, 1)
						}
					);
					if (cutOff) {
						shadow.cutOff = strokeWidth + 1;
					}

					// apply the opacity
					markup = ['<stroke color="', shadowOptions.color || 'black', '" opacity="', shadowElementOpacity * i, '"/>'];
					createElement(renderer.prepVML(markup), null, null, shadow);


					// insert it
					if (group) {
						group.element.appendChild(shadow);
					} else {
						element.parentNode.insertBefore(shadow, element);
					}

					// record it
					shadows.push(shadow);

				}

				this.shadows = shadows;
			}
			return this;
		},
		updateShadows: noop, // Used in SVG only

		setAttr: function (key, value) {
			if (docMode8) { // IE8 setAttribute bug
				this.element[key] = value;
			} else {
				this.element.setAttribute(key, value);
			}
		},
		classSetter: function (value) {
			// IE8 Standards mode has problems retrieving the className unless set like this
			this.element.className = value;
		},
		dashstyleSetter: function (value, key, element) {
			var strokeElem = element.getElementsByTagName('stroke')[0] ||
				createElement(this.renderer.prepVML(['<stroke/>']), null, null, element);
			strokeElem[key] = value || 'solid';
			this[key] = value; /* because changing stroke-width will change the dash length
				and cause an epileptic effect */
		},
		dSetter: function (value, key, element) {
			var i,
				shadows = this.shadows;
			value = value || [];
			this.d = value.join && value.join(' '); // used in getter for animation

			element.path = value = this.pathToVML(value);

			// update shadows
			if (shadows) {
				i = shadows.length;
				while (i--) {
					shadows[i].path = shadows[i].cutOff ? this.cutOffPath(value, shadows[i].cutOff) : value;
				}
			}
			this.setAttr(key, value);
		},
		fillSetter: function (value, key, element) {
			var nodeName = element.nodeName;
			if (nodeName === 'SPAN') { // text color
				element.style.color = value;
			} else if (nodeName !== 'IMG') { // #1336
				element.filled = value !== NONE;
				this.setAttr('fillcolor', this.renderer.color(value, element, key, this));
			}
		},
		opacitySetter: noop, // Don't bother - animation is too slow and filters introduce artifacts
		rotationSetter: function (value, key, element) {
			var style = element.style;
			this[key] = style[key] = value; // style is for #1873

			// Correction for the 1x1 size of the shape container. Used in gauge needles.
			style.left = -mathRound(mathSin(value * deg2rad) + 1) + PX;
			style.top = mathRound(mathCos(value * deg2rad)) + PX;
		},
		strokeSetter: function (value, key, element) {
			this.setAttr('strokecolor', this.renderer.color(value, element, key));
		},
		'stroke-widthSetter': function (value, key, element) {
			element.stroked = !!value; // VML "stroked" attribute
			this[key] = value; // used in getter, issue #113
			if (isNumber(value)) {
				value += PX;
			}
			this.setAttr('strokeweight', value);
		},
		titleSetter: function (value, key) {
			this.setAttr(key, value);
		},
		visibilitySetter: function (value, key, element) {

			// Handle inherited visibility
			if (value === 'inherit') {
				value = VISIBLE;
			}
			
			// Let the shadow follow the main element
			if (this.shadows) {
				each(this.shadows, function (shadow) {
					shadow.style[key] = value;
				});
			}

			// Instead of toggling the visibility CSS property, move the div out of the viewport.
			// This works around #61 and #586
			if (element.nodeName === 'DIV') {
				value = value === HIDDEN ? '-999em' : 0;

				// In order to redraw, IE7 needs the div to be visible when tucked away
				// outside the viewport. So the visibility is actually opposite of
				// the expected value. This applies to the tooltip only.
				if (!docMode8) {
					element.style[key] = value ? VISIBLE : HIDDEN;
				}
				key = 'top';
			}
			element.style[key] = value;
		},
		xSetter: function (value, key, element) {
			this[key] = value; // used in getter

			if (key === 'x') {
				key = 'left';
			} else if (key === 'y') {
				key = 'top';
			}/* else {
				value = mathMax(0, value); // don't set width or height below zero (#311)
			}*/

			// clipping rectangle special
			if (this.updateClipping) {
				this[key] = value; // the key is now 'left' or 'top' for 'x' and 'y'
				this.updateClipping();
			} else {
				// normal
				element.style[key] = value;
			}
		},
		zIndexSetter: function (value, key, element) {
			element.style[key] = value;
		}
	};
	Highcharts.VMLElement = VMLElement = extendClass(SVGElement, VMLElement);

	// Some shared setters
	VMLElement.prototype.ySetter =
		VMLElement.prototype.widthSetter = 
		VMLElement.prototype.heightSetter = 
		VMLElement.prototype.xSetter;


	/**
	 * The VML renderer
	 */
	var VMLRendererExtension = { // inherit SVGRenderer

		Element: VMLElement,
		isIE8: userAgent.indexOf('MSIE 8.0') > -1,


		/**
		 * Initialize the VMLRenderer
		 * @param {Object} container
		 * @param {Number} width
		 * @param {Number} height
		 */
		init: function (container, width, height, style) {
			var renderer = this,
				boxWrapper,
				box,
				css;

			renderer.alignedObjects = [];

			boxWrapper = renderer.createElement(DIV)
				.css(extend(this.getStyle(style), { position: RELATIVE}));
			box = boxWrapper.element;
			container.appendChild(boxWrapper.element);


			// generate the containing box
			renderer.isVML = true;
			renderer.box = box;
			renderer.boxWrapper = boxWrapper;
			renderer.cache = {};


			renderer.setSize(width, height, false);

			// The only way to make IE6 and IE7 print is to use a global namespace. However,
			// with IE8 the only way to make the dynamic shapes visible in screen and print mode
			// seems to be to add the xmlns attribute and the behaviour style inline.
			if (!doc.namespaces.hcv) {

				doc.namespaces.add('hcv', 'urn:schemas-microsoft-com:vml');

				// Setup default CSS (#2153, #2368, #2384)
				css = 'hcv\\:fill, hcv\\:path, hcv\\:shape, hcv\\:stroke' +
					'{ behavior:url(#default#VML); display: inline-block; } ';
				try {
					doc.createStyleSheet().cssText = css;
				} catch (e) {
					doc.styleSheets[0].cssText += css;
				}

			}
		},


		/**
		 * Detect whether the renderer is hidden. This happens when one of the parent elements
		 * has display: none
		 */
		isHidden: function () {
			return !this.box.offsetWidth;
		},

		/**
		 * Define a clipping rectangle. In VML it is accomplished by storing the values
		 * for setting the CSS style to all associated members.
		 *
		 * @param {Number} x
		 * @param {Number} y
		 * @param {Number} width
		 * @param {Number} height
		 */
		clipRect: function (x, y, width, height) {

			// create a dummy element
			var clipRect = this.createElement(),
				isObj = isObject(x);

			// mimic a rectangle with its style object for automatic updating in attr
			return extend(clipRect, {
				members: [],
				count: 0,
				left: (isObj ? x.x : x) + 1,
				top: (isObj ? x.y : y) + 1,
				width: (isObj ? x.width : width) - 1,
				height: (isObj ? x.height : height) - 1,
				getCSS: function (wrapper) {
					var element = wrapper.element,
						nodeName = element.nodeName,
						isShape = nodeName === 'shape',
						inverted = wrapper.inverted,
						rect = this,
						top = rect.top - (isShape ? element.offsetTop : 0),
						left = rect.left,
						right = left + rect.width,
						bottom = top + rect.height,
						ret = {
							clip: 'rect(' +
								mathRound(inverted ? left : top) + 'px,' +
								mathRound(inverted ? bottom : right) + 'px,' +
								mathRound(inverted ? right : bottom) + 'px,' +
								mathRound(inverted ? top : left) + 'px)'
						};

					// issue 74 workaround
					if (!inverted && docMode8 && nodeName === 'DIV') {
						extend(ret, {
							width: right + PX,
							height: bottom + PX
						});
					}
					return ret;
				},

				// used in attr and animation to update the clipping of all members
				updateClipping: function () {
					each(clipRect.members, function (member) {
						if (member.element) { // Deleted series, like in stock/members/series-remove demo. Should be removed from members, but this will do.
							member.css(clipRect.getCSS(member));
						}
					});
				}
			});

		},


		/**
		 * Take a color and return it if it's a string, make it a gradient if it's a
		 * gradient configuration object, and apply opacity.
		 *
		 * @param {Object} color The color or config object
		 */
		color: function (color, elem, prop, wrapper) {
			var renderer = this,
				colorObject,
				regexRgba = /^rgba/,
				markup,
				fillType,
				ret = NONE;

			// Check for linear or radial gradient
			if (color && color.linearGradient) {
				fillType = 'gradient';
			} else if (color && color.radialGradient) {
				fillType = 'pattern';
			}


			if (fillType) {

				var stopColor,
					stopOpacity,
					gradient = color.linearGradient || color.radialGradient,
					x1,
					y1,
					x2,
					y2,
					opacity1,
					opacity2,
					color1,
					color2,
					fillAttr = '',
					stops = color.stops,
					firstStop,
					lastStop,
					colors = [],
					addFillNode = function () {
						// Add the fill subnode. When colors attribute is used, the meanings of opacity and o:opacity2
						// are reversed.
						markup = ['<fill colors="' + colors.join(',') + '" opacity="', opacity2, '" o:opacity2="', opacity1,
							'" type="', fillType, '" ', fillAttr, 'focus="100%" method="any" />'];
						createElement(renderer.prepVML(markup), null, null, elem);
					};

				// Extend from 0 to 1
				firstStop = stops[0];
				lastStop = stops[stops.length - 1];
				if (firstStop[0] > 0) {
					stops.unshift([
						0,
						firstStop[1]
					]);
				}
				if (lastStop[0] < 1) {
					stops.push([
						1,
						lastStop[1]
					]);
				}

				// Compute the stops
				each(stops, function (stop, i) {
					if (regexRgba.test(stop[1])) {
						colorObject = Color(stop[1]);
						stopColor = colorObject.get('rgb');
						stopOpacity = colorObject.get('a');
					} else {
						stopColor = stop[1];
						stopOpacity = 1;
					}

					// Build the color attribute
					colors.push((stop[0] * 100) + '% ' + stopColor);

					// Only start and end opacities are allowed, so we use the first and the last
					if (!i) {
						opacity1 = stopOpacity;
						color2 = stopColor;
					} else {
						opacity2 = stopOpacity;
						color1 = stopColor;
					}
				});

				// Apply the gradient to fills only.
				if (prop === 'fill') {

					// Handle linear gradient angle
					if (fillType === 'gradient') {
						x1 = gradient.x1 || gradient[0] || 0;
						y1 = gradient.y1 || gradient[1] || 0;
						x2 = gradient.x2 || gradient[2] || 0;
						y2 = gradient.y2 || gradient[3] || 0;
						fillAttr = 'angle="' + (90  - math.atan(
							(y2 - y1) / // y vector
							(x2 - x1) // x vector
							) * 180 / mathPI) + '"';

						addFillNode();

					// Radial (circular) gradient
					} else {

						var r = gradient.r,
							sizex = r * 2,
							sizey = r * 2,
							cx = gradient.cx,
							cy = gradient.cy,
							radialReference = elem.radialReference,
							bBox,
							applyRadialGradient = function () {
								if (radialReference) {
									bBox = wrapper.getBBox();
									cx += (radialReference[0] - bBox.x) / bBox.width - 0.5;
									cy += (radialReference[1] - bBox.y) / bBox.height - 0.5;
									sizex *= radialReference[2] / bBox.width;
									sizey *= radialReference[2] / bBox.height;
								}
								fillAttr = 'src="' + defaultOptions.global.VMLRadialGradientURL + '" ' +
									'size="' + sizex + ',' + sizey + '" ' +
									'origin="0.5,0.5" ' +
									'position="' + cx + ',' + cy + '" ' +
									'color2="' + color2 + '" ';

								addFillNode();
							};

						// Apply radial gradient
						if (wrapper.added) {
							applyRadialGradient();
						} else {
							// We need to know the bounding box to get the size and position right
							wrapper.onAdd = applyRadialGradient;
						}

						// The fill element's color attribute is broken in IE8 standards mode, so we
						// need to set the parent shape's fillcolor attribute instead.
						ret = color1;
					}

				// Gradients are not supported for VML stroke, return the first color. #722.
				} else {
					ret = stopColor;
				}

			// if the color is an rgba color, split it and add a fill node
			// to hold the opacity component
			} else if (regexRgba.test(color) && elem.tagName !== 'IMG') {

				colorObject = Color(color);

				markup = ['<', prop, ' opacity="', colorObject.get('a'), '"/>'];
				createElement(this.prepVML(markup), null, null, elem);

				ret = colorObject.get('rgb');


			} else {
				var propNodes = elem.getElementsByTagName(prop); // 'stroke' or 'fill' node
				if (propNodes.length) {
					propNodes[0].opacity = 1;
					propNodes[0].type = 'solid';
				}
				ret = color;
			}

			return ret;
		},

		/**
		 * Take a VML string and prepare it for either IE8 or IE6/IE7.
		 * @param {Array} markup A string array of the VML markup to prepare
		 */
		prepVML: function (markup) {
			var vmlStyle = 'display:inline-block;behavior:url(#default#VML);',
				isIE8 = this.isIE8;

			markup = markup.join('');

			if (isIE8) { // add xmlns and style inline
				markup = markup.replace('/>', ' xmlns="urn:schemas-microsoft-com:vml" />');
				if (markup.indexOf('style="') === -1) {
					markup = markup.replace('/>', ' style="' + vmlStyle + '" />');
				} else {
					markup = markup.replace('style="', 'style="' + vmlStyle);
				}

			} else { // add namespace
				markup = markup.replace('<', '<hcv:');
			}

			return markup;
		},

		/**
		 * Create rotated and aligned text
		 * @param {String} str
		 * @param {Number} x
		 * @param {Number} y
		 */
		text: SVGRenderer.prototype.html,

		/**
		 * Create and return a path element
		 * @param {Array} path
		 */
		path: function (path) {
			var attr = {
				// subpixel precision down to 0.1 (width and height = 1px)
				coordsize: '10 10'
			};
			if (isArray(path)) {
				attr.d = path;
			} else if (isObject(path)) { // attributes
				extend(attr, path);
			}
			// create the shape
			return this.createElement('shape').attr(attr);
		},

		/**
		 * Create and return a circle element. In VML circles are implemented as
		 * shapes, which is faster than v:oval
		 * @param {Number} x
		 * @param {Number} y
		 * @param {Number} r
		 */
		circle: function (x, y, r) {
			var circle = this.symbol('circle');
			if (isObject(x)) {
				r = x.r;
				y = x.y;
				x = x.x;
			}
			circle.isCircle = true; // Causes x and y to mean center (#1682)
			circle.r = r;
			return circle.attr({ x: x, y: y });
		},

		/**
		 * Create a group using an outer div and an inner v:group to allow rotating
		 * and flipping. A simple v:group would have problems with positioning
		 * child HTML elements and CSS clip.
		 *
		 * @param {String} name The name of the group
		 */
		g: function (name) {
			var wrapper,
				attribs;

			// set the class name
			if (name) {
				attribs = { 'className': PREFIX + name, 'class': PREFIX + name };
			}

			// the div to hold HTML and clipping
			wrapper = this.createElement(DIV).attr(attribs);

			return wrapper;
		},

		/**
		 * VML override to create a regular HTML image
		 * @param {String} src
		 * @param {Number} x
		 * @param {Number} y
		 * @param {Number} width
		 * @param {Number} height
		 */
		image: function (src, x, y, width, height) {
			var obj = this.createElement('img')
				.attr({ src: src });

			if (arguments.length > 1) {
				obj.attr({
					x: x,
					y: y,
					width: width,
					height: height
				});
			}
			return obj;
		},

		/**
		 * For rectangles, VML uses a shape for rect to overcome bugs and rotation problems
		 */
		createElement: function (nodeName) {
			return nodeName === 'rect' ? this.symbol(nodeName) : SVGRenderer.prototype.createElement.call(this, nodeName);	
		},

		/**
		 * In the VML renderer, each child of an inverted div (group) is inverted
		 * @param {Object} element
		 * @param {Object} parentNode
		 */
		invertChild: function (element, parentNode) {
			var ren = this,
				parentStyle = parentNode.style,
				imgStyle = element.tagName === 'IMG' && element.style; // #1111

			css(element, {
				flip: 'x',
				left: pInt(parentStyle.width) - (imgStyle ? pInt(imgStyle.top) : 1),
				top: pInt(parentStyle.height) - (imgStyle ? pInt(imgStyle.left) : 1),
				rotation: -90
			});

			// Recursively invert child elements, needed for nested composite shapes like box plots and error bars. #1680, #1806.
			each(element.childNodes, function (child) {
				ren.invertChild(child, element);
			});
		},

		/**
		 * Symbol definitions that override the parent SVG renderer's symbols
		 *
		 */
		symbols: {
			// VML specific arc function
			arc: function (x, y, w, h, options) {
				var start = options.start,
					end = options.end,
					radius = options.r || w || h,
					innerRadius = options.innerR,
					cosStart = mathCos(start),
					sinStart = mathSin(start),
					cosEnd = mathCos(end),
					sinEnd = mathSin(end),
					ret;

				if (end - start === 0) { // no angle, don't show it.
					return ['x'];
				}

				ret = [
					'wa', // clockwise arc to
					x - radius, // left
					y - radius, // top
					x + radius, // right
					y + radius, // bottom
					x + radius * cosStart, // start x
					y + radius * sinStart, // start y
					x + radius * cosEnd, // end x
					y + radius * sinEnd  // end y
				];

				if (options.open && !innerRadius) {
					ret.push(
						'e',
						M,
						x,// - innerRadius,
						y// - innerRadius
					);
				}

				ret.push(
					'at', // anti clockwise arc to
					x - innerRadius, // left
					y - innerRadius, // top
					x + innerRadius, // right
					y + innerRadius, // bottom
					x + innerRadius * cosEnd, // start x
					y + innerRadius * sinEnd, // start y
					x + innerRadius * cosStart, // end x
					y + innerRadius * sinStart, // end y
					'x', // finish path
					'e' // close
				);

				ret.isArc = true;
				return ret;

			},
			// Add circle symbol path. This performs significantly faster than v:oval.
			circle: function (x, y, w, h, wrapper) {

				if (wrapper) {
					w = h = 2 * wrapper.r;
				}

				// Center correction, #1682
				if (wrapper && wrapper.isCircle) {
					x -= w / 2;
					y -= h / 2;
				}

				// Return the path
				return [
					'wa', // clockwisearcto
					x, // left
					y, // top
					x + w, // right
					y + h, // bottom
					x + w, // start x
					y + h / 2,     // start y
					x + w, // end x
					y + h / 2,     // end y
					//'x', // finish path
					'e' // close
				];
			},
			/**
			 * Add rectangle symbol path which eases rotation and omits arcsize problems
			 * compared to the built-in VML roundrect shape. When borders are not rounded,
			 * use the simpler square path, else use the callout path without the arrow.
			 */
			rect: function (x, y, w, h, options) {
				return SVGRenderer.prototype.symbols[
					!defined(options) || !options.r ? 'square' : 'callout'
				].call(0, x, y, w, h, options);
			}
		}
	};
	Highcharts.VMLRenderer = VMLRenderer = function () {
		this.init.apply(this, arguments);
	};
	VMLRenderer.prototype = merge(SVGRenderer.prototype, VMLRendererExtension);

		// general renderer
		Renderer = VMLRenderer;
	}

	// This method is used with exporting in old IE, when emulating SVG (see #2314)
	SVGRenderer.prototype.measureSpanWidth = function (text, styles) {
		var measuringSpan = doc.createElement('span'),
			offsetWidth,
		textNode = doc.createTextNode(text);

		measuringSpan.appendChild(textNode);
		css(measuringSpan, styles);
		this.box.appendChild(measuringSpan);
		offsetWidth = measuringSpan.offsetWidth;
		discardElement(measuringSpan); // #2463
		return offsetWidth;
	};


	/* ****************************************************************************
	 *                                                                            *
	 * END OF INTERNET EXPLORER <= 8 SPECIFIC CODE                                *
	 *                                                                            *
	 *****************************************************************************/
	/* ****************************************************************************
	 *                                                                            *
	 * START OF ANDROID < 3 SPECIFIC CODE. THIS CAN BE REMOVED IF YOU'RE NOT      *
	 * TARGETING THAT SYSTEM.                                                     *
	 *                                                                            *
	 *****************************************************************************/
	var CanVGRenderer,
		CanVGController;

	if (useCanVG) {
		/**
		 * The CanVGRenderer is empty from start to keep the source footprint small.
		 * When requested, the CanVGController downloads the rest of the source packaged
		 * together with the canvg library.
		 */
		Highcharts.CanVGRenderer = CanVGRenderer = function () {
			// Override the global SVG namespace to fake SVG/HTML that accepts CSS
			SVG_NS = 'http://www.w3.org/1999/xhtml';
		};

		/**
		 * Start with an empty symbols object. This is needed when exporting is used (exporting.src.js will add a few symbols), but 
		 * the implementation from SvgRenderer will not be merged in until first render.
		 */
		CanVGRenderer.prototype.symbols = {};

		/**
		 * Handles on demand download of canvg rendering support.
		 */
		CanVGController = (function () {
			// List of renderering calls
			var deferredRenderCalls = [];

			/**
			 * When downloaded, we are ready to draw deferred charts.
			 */
			function drawDeferred() {
				var callLength = deferredRenderCalls.length,
					callIndex;

				// Draw all pending render calls
				for (callIndex = 0; callIndex < callLength; callIndex++) {
					deferredRenderCalls[callIndex]();
				}
				// Clear the list
				deferredRenderCalls = [];
			}

			return {
				push: function (func, scriptLocation) {
					// Only get the script once
					if (deferredRenderCalls.length === 0) {
						getScript(scriptLocation, drawDeferred);
					}
					// Register render call
					deferredRenderCalls.push(func);
				}
			};
		}());

		Renderer = CanVGRenderer;
	} // end CanVGRenderer

	/* ****************************************************************************
	 *                                                                            *
	 * END OF ANDROID < 3 SPECIFIC CODE                                           *
	 *                                                                            *
	 *****************************************************************************/

	/**
	 * The Tick class
	 */
	function Tick(axis, pos, type, noLabel) {
		this.axis = axis;
		this.pos = pos;
		this.type = type || '';
		this.isNew = true;

		if (!type && !noLabel) {
			this.addLabel();
		}
	}

	Tick.prototype = {
		/**
		 * Write the tick label
		 */
		addLabel: function () {
			var tick = this,
				axis = tick.axis,
				options = axis.options,
				chart = axis.chart,
				categories = axis.categories,
				names = axis.names,
				pos = tick.pos,
				labelOptions = options.labels,
				str,
				tickPositions = axis.tickPositions,
				isFirst = pos === tickPositions[0],
				isLast = pos === tickPositions[tickPositions.length - 1],
				value = categories ?
					pick(categories[pos], names[pos], pos) :
					pos,
				label = tick.label,
				tickPositionInfo = tickPositions.info,
				dateTimeLabelFormat;

			// Set the datetime label format. If a higher rank is set for this position, use that. If not,
			// use the general format.
			if (axis.isDatetimeAxis && tickPositionInfo) {
				dateTimeLabelFormat = options.dateTimeLabelFormats[tickPositionInfo.higherRanks[pos] || tickPositionInfo.unitName];
			}
			// set properties for access in render method
			tick.isFirst = isFirst;
			tick.isLast = isLast;

			// get the string
			str = axis.labelFormatter.call({
				axis: axis,
				chart: chart,
				isFirst: isFirst,
				isLast: isLast,
				dateTimeLabelFormat: dateTimeLabelFormat,
				value: axis.isLog ? correctFloat(lin2log(value)) : value
			});

			// prepare CSS
			//css = width && { width: mathMax(1, mathRound(width - 2 * (labelOptions.padding || 10))) + PX };
			
			// first call
			if (!defined(label)) {

				tick.label = label =
					defined(str) && labelOptions.enabled ?
						chart.renderer.text(
								str,
								0,
								0,
								labelOptions.useHTML
							)
							//.attr(attr)
							// without position absolute, IE export sometimes is wrong
							.css(merge(labelOptions.style))
							.add(axis.labelGroup) :
						null;
				tick.labelLength = label && label.getBBox().width; // Un-rotated length
				tick.rotation = 0; // Base value to detect change for new calls to getBBox

			// update
			} else if (label) {
				label.attr({ text: str });
			}
		},

		/**
		 * Get the offset height or width of the label
		 */
		getLabelSize: function () {
			return this.label ?
				this.label.getBBox()[this.axis.horiz ? 'height' : 'width'] :
				0;
		},

		/**
		 * Handle the label overflow by adjusting the labels to the left and right edge, or
		 * hide them if they collide into the neighbour label.
		 */
		handleOverflow: function (xy) {
			var axis = this.axis,
				pxPos = xy.x,
				chartWidth = axis.chart.chartWidth,
				spacing = axis.chart.spacing,
				leftBound = pick(axis.labelLeft, spacing[3]),
				rightBound = pick(axis.labelRight, chartWidth - spacing[1]),
				label = this.label,
				rotation = this.rotation,
				factor = { left: 0, center: 0.5, right: 1 }[axis.labelAlign],
				labelWidth = label.getBBox().width,
				slotWidth = axis.slotWidth,
				xCorrection = factor,
				leftPos,
				rightPos,
				textWidth;

			// Check if the label overshoots the chart spacing box. If it does, move it.
			// If it now overshoots the slotWidth, add ellipsis.
			if (!rotation) {
				leftPos = pxPos - factor * labelWidth;
				rightPos = pxPos + (1 - factor) * labelWidth;

				if (leftPos < leftBound) {
					slotWidth = xy.x + slotWidth * (1 - factor) - leftBound;
					xCorrection -= 1;
				} else if (rightPos > rightBound) {
					slotWidth = rightBound - xy.x + slotWidth * factor;
				}

				slotWidth = mathMin(axis.slotWidth, slotWidth); // #4177
				if (slotWidth < axis.slotWidth) {
					xy.x -= xCorrection * (axis.slotWidth - slotWidth); // align it within the new slot
				}
				// If the label width exceeds the available space, set a text width to be 
				// picked up below. Also, if a width has been set before, we need to set a new
				// one because the reported labelWidth will be limited by the box (#3938).
				if (labelWidth > slotWidth || (axis.autoRotation && label.styles.width)) {
					textWidth = slotWidth;
				}

			// Add ellipsis to prevent rotated labels to be clipped against the edge of the chart
			} else if (rotation < 0 && pxPos - factor * labelWidth < leftBound) {
				textWidth = mathRound(pxPos / mathCos(rotation * deg2rad) - leftBound);
			} else if (rotation > 0 && pxPos + factor * labelWidth > rightBound) {
				textWidth = mathRound((chartWidth - pxPos) / mathCos(rotation * deg2rad));
			}

			if (textWidth) {
				label.css({
					width: textWidth,
					textOverflow: 'ellipsis'
				});
			}
		},

		/**
		 * Get the x and y position for ticks and labels
		 */
		getPosition: function (horiz, pos, tickmarkOffset, old) {
			var axis = this.axis,
				chart = axis.chart,
				cHeight = (old && chart.oldChartHeight) || chart.chartHeight;

			return {
				x: horiz ?
					axis.translate(pos + tickmarkOffset, null, null, old) + axis.transB :
					axis.left + axis.offset + (axis.opposite ? ((old && chart.oldChartWidth) || chart.chartWidth) - axis.right - axis.left : 0),

				y: horiz ?
					cHeight - axis.bottom + axis.offset - (axis.opposite ? axis.height : 0) :
					cHeight - axis.translate(pos + tickmarkOffset, null, null, old) - axis.transB
			};

		},

		/**
		 * Get the x, y position of the tick label
		 */
		getLabelPosition: function (x, y, label, horiz, labelOptions, tickmarkOffset, index, step) {
			var axis = this.axis,
				transA = axis.transA,
				reversed = axis.reversed,
				staggerLines = axis.staggerLines,
				rotCorr = axis.tickRotCorr || { x: 0, y: 0 },
				yOffset = pick(labelOptions.y, rotCorr.y + (axis.side === 2 ? 8 : -(label.getBBox().height / 2))),
				line;

			x = x + labelOptions.x + rotCorr.x - (tickmarkOffset && horiz ?
				tickmarkOffset * transA * (reversed ? -1 : 1) : 0);
			y = y + yOffset - (tickmarkOffset && !horiz ?
				tickmarkOffset * transA * (reversed ? 1 : -1) : 0);

			// Correct for staggered labels
			if (staggerLines) {
				line = (index / (step || 1) % staggerLines);
				y += line * (axis.labelOffset / staggerLines);
			}

			return {
				x: x,
				y: mathRound(y)
			};
		},

		/**
		 * Extendible method to return the path of the marker
		 */
		getMarkPath: function (x, y, tickLength, tickWidth, horiz, renderer) {
			return renderer.crispLine([
					M,
					x,
					y,
					L,
					x + (horiz ? 0 : -tickLength),
					y + (horiz ? tickLength : 0)
				], tickWidth);
		},

		/**
		 * Put everything in place
		 *
		 * @param index {Number}
		 * @param old {Boolean} Use old coordinates to prepare an animation into new position
		 */
		render: function (index, old, opacity) {
			var tick = this,
				axis = tick.axis,
				options = axis.options,
				chart = axis.chart,
				renderer = chart.renderer,
				horiz = axis.horiz,
				type = tick.type,
				label = tick.label,
				pos = tick.pos,
				labelOptions = options.labels,
				gridLine = tick.gridLine,
				gridPrefix = type ? type + 'Grid' : 'grid',
				tickPrefix = type ? type + 'Tick' : 'tick',
				gridLineWidth = options[gridPrefix + 'LineWidth'],
				gridLineColor = options[gridPrefix + 'LineColor'],
				dashStyle = options[gridPrefix + 'LineDashStyle'],
				tickLength = options[tickPrefix + 'Length'],
				tickWidth = options[tickPrefix + 'Width'] || 0,
				tickColor = options[tickPrefix + 'Color'],
				tickPosition = options[tickPrefix + 'Position'],
				gridLinePath,
				mark = tick.mark,
				markPath,
				step = /*axis.labelStep || */labelOptions.step,
				attribs,
				show = true,
				tickmarkOffset = axis.tickmarkOffset,
				xy = tick.getPosition(horiz, pos, tickmarkOffset, old),
				x = xy.x,
				y = xy.y,
				reverseCrisp = ((horiz && x === axis.pos + axis.len) || (!horiz && y === axis.pos)) ? -1 : 1; // #1480, #1687

			opacity = pick(opacity, 1);
			this.isActive = true;

			// create the grid line
			if (gridLineWidth) {
				gridLinePath = axis.getPlotLinePath(pos + tickmarkOffset, gridLineWidth * reverseCrisp, old, true);

				if (gridLine === UNDEFINED) {
					attribs = {
						stroke: gridLineColor,
						'stroke-width': gridLineWidth
					};
					if (dashStyle) {
						attribs.dashstyle = dashStyle;
					}
					if (!type) {
						attribs.zIndex = 1;
					}
					if (old) {
						attribs.opacity = 0;
					}
					tick.gridLine = gridLine =
						gridLineWidth ?
							renderer.path(gridLinePath)
								.attr(attribs).add(axis.gridGroup) :
							null;
				}

				// If the parameter 'old' is set, the current call will be followed
				// by another call, therefore do not do any animations this time
				if (!old && gridLine && gridLinePath) {
					gridLine[tick.isNew ? 'attr' : 'animate']({
						d: gridLinePath,
						opacity: opacity
					});
				}
			}

			// create the tick mark
			if (tickWidth && tickLength) {

				// negate the length
				if (tickPosition === 'inside') {
					tickLength = -tickLength;
				}
				if (axis.opposite) {
					tickLength = -tickLength;
				}

				markPath = tick.getMarkPath(x, y, tickLength, tickWidth * reverseCrisp, horiz, renderer);
				if (mark) { // updating
					mark.animate({
						d: markPath,
						opacity: opacity
					});
				} else { // first time
					tick.mark = renderer.path(
						markPath
					).attr({
						stroke: tickColor,
						'stroke-width': tickWidth,
						opacity: opacity
					}).add(axis.axisGroup);
				}
			}

			// the label is created on init - now move it into place
			if (label && !isNaN(x)) {
				label.xy = xy = tick.getLabelPosition(x, y, label, horiz, labelOptions, tickmarkOffset, index, step);

				// Apply show first and show last. If the tick is both first and last, it is
				// a single centered tick, in which case we show the label anyway (#2100).
				if ((tick.isFirst && !tick.isLast && !pick(options.showFirstLabel, 1)) ||
						(tick.isLast && !tick.isFirst && !pick(options.showLastLabel, 1))) {
					show = false;

				// Handle label overflow and show or hide accordingly
				} else if (horiz && !axis.isRadial && !labelOptions.step && !labelOptions.rotation && !old && opacity !== 0) {
					tick.handleOverflow(xy);
				}

				// apply step
				if (step && index % step) {
					// show those indices dividable by step
					show = false;
				}

				// Set the new position, and show or hide
				if (show && !isNaN(xy.y)) {
					xy.opacity = opacity;
					label[tick.isNew ? 'attr' : 'animate'](xy);
					tick.isNew = false;
				} else {
					label.attr('y', -9999); // #1338
				}
			}
		},

		/**
		 * Destructor for the tick prototype
		 */
		destroy: function () {
			destroyObjectProperties(this, this.axis);
		}
	};

	/**
	 * The object wrapper for plot lines and plot bands
	 * @param {Object} options
	 */
	Highcharts.PlotLineOrBand = function (axis, options) {
		this.axis = axis;

		if (options) {
			this.options = options;
			this.id = options.id;
		}
	};

	Highcharts.PlotLineOrBand.prototype = {
		
		/**
		 * Render the plot line or plot band. If it is already existing,
		 * move it.
		 */
		render: function () {
			var plotLine = this,
				axis = plotLine.axis,
				horiz = axis.horiz,
				options = plotLine.options,
				optionsLabel = options.label,
				label = plotLine.label,
				width = options.width,
				to = options.to,
				from = options.from,
				isBand = defined(from) && defined(to),
				value = options.value,
				dashStyle = options.dashStyle,
				svgElem = plotLine.svgElem,
				path = [],
				addEvent,
				eventType,
				xs,
				ys,
				x,
				y,
				color = options.color,
				zIndex = options.zIndex,
				events = options.events,
				attribs = {},
				renderer = axis.chart.renderer;

			// logarithmic conversion
			if (axis.isLog) {
				from = log2lin(from);
				to = log2lin(to);
				value = log2lin(value);
			}

			// plot line
			if (width) {
				path = axis.getPlotLinePath(value, width);
				attribs = {
					stroke: color,
					'stroke-width': width
				};
				if (dashStyle) {
					attribs.dashstyle = dashStyle;
				}
			} else if (isBand) { // plot band

				path = axis.getPlotBandPath(from, to, options);
				if (color) {
					attribs.fill = color;
				}
				if (options.borderWidth) {
					attribs.stroke = options.borderColor;
					attribs['stroke-width'] = options.borderWidth;
				}
			} else {
				return;
			}
			// zIndex
			if (defined(zIndex)) {
				attribs.zIndex = zIndex;
			}

			// common for lines and bands
			if (svgElem) {
				if (path) {
					svgElem.animate({
						d: path
					}, null, svgElem.onGetPath);
				} else {
					svgElem.hide();
					svgElem.onGetPath = function () {
						svgElem.show();
					};
					if (label) {
						plotLine.label = label = label.destroy();
					}
				}
			} else if (path && path.length) {
				plotLine.svgElem = svgElem = renderer.path(path)
					.attr(attribs).add();

				// events
				if (events) {
					addEvent = function (eventType) {
						svgElem.on(eventType, function (e) {
							events[eventType].apply(plotLine, [e]);
						});
					};
					for (eventType in events) {
						addEvent(eventType);
					}
				}
			}

			// the plot band/line label
			if (optionsLabel && defined(optionsLabel.text) && path && path.length && axis.width > 0 && axis.height > 0) {
				// apply defaults
				optionsLabel = merge({
					align: horiz && isBand && 'center',
					x: horiz ? !isBand && 4 : 10,
					verticalAlign : !horiz && isBand && 'middle',
					y: horiz ? isBand ? 16 : 10 : isBand ? 6 : -4,
					rotation: horiz && !isBand && 90
				}, optionsLabel);

				// add the SVG element
				if (!label) {
					attribs = {
						align: optionsLabel.textAlign || optionsLabel.align,
						rotation: optionsLabel.rotation
					};
					if (defined(zIndex)) {
						attribs.zIndex = zIndex;
					}
					plotLine.label = label = renderer.text(
							optionsLabel.text,
							0,
							0,
							optionsLabel.useHTML
						)
						.attr(attribs)
						.css(optionsLabel.style)
						.add();
				}

				// get the bounding box and align the label
				// #3000 changed to better handle choice between plotband or plotline
				xs = [path[1], path[4], (isBand ? path[6] : path[1])];
				ys = [path[2], path[5], (isBand ? path[7] : path[2])];
				x = arrayMin(xs);
				y = arrayMin(ys);

				label.align(optionsLabel, false, {
					x: x,
					y: y,
					width: arrayMax(xs) - x,
					height: arrayMax(ys) - y
				});
				label.show();

			} else if (label) { // move out of sight
				label.hide();
			}

			// chainable
			return plotLine;
		},

		/**
		 * Remove the plot line or band
		 */
		destroy: function () {
			// remove it from the lookup
			erase(this.axis.plotLinesAndBands, this);
			
			delete this.axis;
			destroyObjectProperties(this);
		}
	};

	/**
	 * Object with members for extending the Axis prototype
	 */

	AxisPlotLineOrBandExtension = {

		/**
		 * Create the path for a plot band
		 */ 
		getPlotBandPath: function (from, to) {
			var toPath = this.getPlotLinePath(to, null, null, true),
				path = this.getPlotLinePath(from, null, null, true);

			if (path && toPath && path.toString() !== toPath.toString()) { // #3836
				path.push(
					toPath[4],
					toPath[5],
					toPath[1],
					toPath[2]
				);
			} else { // outside the axis area
				path = null;
			}
			
			return path;
		},

		addPlotBand: function (options) {
			return this.addPlotBandOrLine(options, 'plotBands');
		},
		
		addPlotLine: function (options) {
			return this.addPlotBandOrLine(options, 'plotLines');
		},

		/**
		 * Add a plot band or plot line after render time
		 *
		 * @param options {Object} The plotBand or plotLine configuration object
		 */
		addPlotBandOrLine: function (options, coll) {
			var obj = new Highcharts.PlotLineOrBand(this, options).render(),
				userOptions = this.userOptions;

			if (obj) { // #2189
				// Add it to the user options for exporting and Axis.update
				if (coll) {
					userOptions[coll] = userOptions[coll] || [];
					userOptions[coll].push(options); 
				}
				this.plotLinesAndBands.push(obj); 
			}
			
			return obj;
		},

		/**
		 * Remove a plot band or plot line from the chart by id
		 * @param {Object} id
		 */
		removePlotBandOrLine: function (id) {
			var plotLinesAndBands = this.plotLinesAndBands,
				options = this.options,
				userOptions = this.userOptions,
				i = plotLinesAndBands.length;
			while (i--) {
				if (plotLinesAndBands[i].id === id) {
					plotLinesAndBands[i].destroy();
				}
			}
			each([options.plotLines || [], userOptions.plotLines || [], options.plotBands || [], userOptions.plotBands || []], function (arr) {
				i = arr.length;
				while (i--) {
					if (arr[i].id === id) {
						erase(arr, arr[i]);
					}
				}
			});
		}
	};

	/**
	 * Create a new axis object
	 * @param {Object} chart
	 * @param {Object} options
	 */
	var Axis = Highcharts.Axis = function () {
		this.init.apply(this, arguments);
	};

	Axis.prototype = {

		/**
		 * Default options for the X axis - the Y axis has extended defaults
		 */
		defaultOptions: {
			// allowDecimals: null,
			// alternateGridColor: null,
			// categories: [],
			dateTimeLabelFormats: {
				millisecond: '%H:%M:%S.%L',
				second: '%H:%M:%S',
				minute: '%H:%M',
				hour: '%H:%M',
				day: '%e. %b',
				week: '%e. %b',
				month: '%b \'%y',
				year: '%Y'
			},
			endOnTick: false,
			gridLineColor: '#D8D8D8',
			// gridLineDashStyle: 'solid',
			// gridLineWidth: 0,
			// reversed: false,

			labels: {
				enabled: true,
				// rotation: 0,
				// align: 'center',
				// step: null,
				style: {
					color: '#606060',
					cursor: 'default',
					fontSize: '11px'
				},
				x: 0,
				y: 15
				/*formatter: function () {
					return this.value;
				},*/
			},
			lineColor: '#C0D0E0',
			lineWidth: 1,
			//linkedTo: null,
			//max: undefined,
			//min: undefined,
			minPadding: 0.01,
			maxPadding: 0.01,
			//minRange: null,
			minorGridLineColor: '#E0E0E0',
			// minorGridLineDashStyle: null,
			minorGridLineWidth: 1,
			minorTickColor: '#A0A0A0',
			//minorTickInterval: null,
			minorTickLength: 2,
			minorTickPosition: 'outside', // inside or outside
			//minorTickWidth: 0,
			//opposite: false,
			//offset: 0,
			//plotBands: [{
			//	events: {},
			//	zIndex: 1,
			//	labels: { align, x, verticalAlign, y, style, rotation, textAlign }
			//}],
			//plotLines: [{
			//	events: {}
			//  dashStyle: {}
			//	zIndex:
			//	labels: { align, x, verticalAlign, y, style, rotation, textAlign }
			//}],
			//reversed: false,
			// showFirstLabel: true,
			// showLastLabel: true,
			startOfWeek: 1,
			startOnTick: false,
			tickColor: '#C0D0E0',
			//tickInterval: null,
			tickLength: 10,
			tickmarkPlacement: 'between', // on or between
			tickPixelInterval: 100,
			tickPosition: 'outside',
			tickWidth: 1,
			title: {
				//text: null,
				align: 'middle', // low, middle or high
				//margin: 0 for horizontal, 10 for vertical axes,
				//rotation: 0,
				//side: 'outside',
				style: {
					color: '#707070'
				}
				//x: 0,
				//y: 0
			},
			type: 'linear' // linear, logarithmic or datetime
		},

		/**
		 * This options set extends the defaultOptions for Y axes
		 */
		defaultYAxisOptions: {
			endOnTick: true,
			gridLineWidth: 1,
			tickPixelInterval: 72,
			showLastLabel: true,
			labels: {
				x: -8,
				y: 3
			},
			lineWidth: 0,
			maxPadding: 0.05,
			minPadding: 0.05,
			startOnTick: true,
			tickWidth: 0,
			title: {
				rotation: 270,
				text: 'Values'
			},
			stackLabels: {
				enabled: false,
				//align: dynamic,
				//y: dynamic,
				//x: dynamic,
				//verticalAlign: dynamic,
				//textAlign: dynamic,
				//rotation: 0,
				formatter: function () {
					return Highcharts.numberFormat(this.total, -1);
				},
				style: merge(defaultPlotOptions.line.dataLabels.style, { color: '#000000' })
			}
		},

		/**
		 * These options extend the defaultOptions for left axes
		 */
		defaultLeftAxisOptions: {
			labels: {
				x: -15,
				y: null
			},
			title: {
				rotation: 270
			}
		},

		/**
		 * These options extend the defaultOptions for right axes
		 */
		defaultRightAxisOptions: {
			labels: {
				x: 15,
				y: null
			},
			title: {
				rotation: 90
			}
		},

		/**
		 * These options extend the defaultOptions for bottom axes
		 */
		defaultBottomAxisOptions: {
			labels: {
				autoRotation: [-45],
				x: 0,
				y: null // based on font size
				// overflow: undefined,
				// staggerLines: null
			},
			title: {
				rotation: 0
			}
		},
		/**
		 * These options extend the defaultOptions for top axes
		 */
		defaultTopAxisOptions: {
			labels: {
				autoRotation: [-45],
				x: 0,
				y: -15
				// overflow: undefined
				// staggerLines: null
			},
			title: {
				rotation: 0
			}
		},

		/**
		 * Initialize the axis
		 */
		init: function (chart, userOptions) {


			var isXAxis = userOptions.isX,
				axis = this;

			// Flag, is the axis horizontal
			axis.horiz = chart.inverted ? !isXAxis : isXAxis;

			// Flag, isXAxis
			axis.isXAxis = isXAxis;
			axis.coll = isXAxis ? 'xAxis' : 'yAxis';

			axis.opposite = userOptions.opposite; // needed in setOptions
			axis.side = userOptions.side || (axis.horiz ?
					(axis.opposite ? 0 : 2) : // top : bottom
					(axis.opposite ? 1 : 3));  // right : left

			axis.setOptions(userOptions);


			var options = this.options,
				type = options.type,
				isDatetimeAxis = type === 'datetime';

			axis.labelFormatter = options.labels.formatter || axis.defaultLabelFormatter; // can be overwritten by dynamic format


			// Flag, stagger lines or not
			axis.userOptions = userOptions;

			//axis.axisTitleMargin = UNDEFINED,// = options.title.margin,
			axis.minPixelPadding = 0;
			//axis.ignoreMinPadding = UNDEFINED; // can be set to true by a column or bar series
			//axis.ignoreMaxPadding = UNDEFINED;

			axis.chart = chart;
			axis.reversed = options.reversed;
			axis.zoomEnabled = options.zoomEnabled !== false;

			// Initial categories
			axis.categories = options.categories || type === 'category';
			axis.names = axis.names || []; // Preserve on update (#3830)

			// Elements
			//axis.axisGroup = UNDEFINED;
			//axis.gridGroup = UNDEFINED;
			//axis.axisTitle = UNDEFINED;
			//axis.axisLine = UNDEFINED;

			// Shorthand types
			axis.isLog = type === 'logarithmic';
			axis.isDatetimeAxis = isDatetimeAxis;

			// Flag, if axis is linked to another axis
			axis.isLinked = defined(options.linkedTo);
			// Linked axis.
			//axis.linkedParent = UNDEFINED;

			// Tick positions
			//axis.tickPositions = UNDEFINED; // array containing predefined positions
			// Tick intervals
			//axis.tickInterval = UNDEFINED;
			//axis.minorTickInterval = UNDEFINED;

			
			// Major ticks
			axis.ticks = {};
			axis.labelEdge = [];
			// Minor ticks
			axis.minorTicks = {};

			// List of plotLines/Bands
			axis.plotLinesAndBands = [];

			// Alternate bands
			axis.alternateBands = {};

			// Axis metrics
			//axis.left = UNDEFINED;
			//axis.top = UNDEFINED;
			//axis.width = UNDEFINED;
			//axis.height = UNDEFINED;
			//axis.bottom = UNDEFINED;
			//axis.right = UNDEFINED;
			//axis.transA = UNDEFINED;
			//axis.transB = UNDEFINED;
			//axis.oldTransA = UNDEFINED;
			axis.len = 0;
			//axis.oldMin = UNDEFINED;
			//axis.oldMax = UNDEFINED;
			//axis.oldUserMin = UNDEFINED;
			//axis.oldUserMax = UNDEFINED;
			//axis.oldAxisLength = UNDEFINED;
			axis.minRange = axis.userMinRange = options.minRange || options.maxZoom;
			axis.range = options.range;
			axis.offset = options.offset || 0;


			// Dictionary for stacks
			axis.stacks = {};
			axis.oldStacks = {};
			
			// Min and max in the data
			//axis.dataMin = UNDEFINED,
			//axis.dataMax = UNDEFINED,

			// The axis range
			axis.max = null;
			axis.min = null;

			// User set min and max
			//axis.userMin = UNDEFINED,
			//axis.userMax = UNDEFINED,

			// Crosshair options
			axis.crosshair = pick(options.crosshair, splat(chart.options.tooltip.crosshairs)[isXAxis ? 0 : 1], false);
			// Run Axis

			var eventType,
				events = axis.options.events;

			// Register
			if (inArray(axis, chart.axes) === -1) { // don't add it again on Axis.update()
				if (isXAxis && !this.isColorAxis) { // #2713
					chart.axes.splice(chart.xAxis.length, 0, axis);
				} else {
					chart.axes.push(axis);
				}

				chart[axis.coll].push(axis);
			}

			axis.series = axis.series || []; // populated by Series

			// inverted charts have reversed xAxes as default
			if (chart.inverted && isXAxis && axis.reversed === UNDEFINED) {
				axis.reversed = true;
			}

			axis.removePlotBand = axis.removePlotBandOrLine;
			axis.removePlotLine = axis.removePlotBandOrLine;


			// register event listeners
			for (eventType in events) {
				addEvent(axis, eventType, events[eventType]);
			}

			// extend logarithmic axis
			if (axis.isLog) {
				axis.val2lin = log2lin;
				axis.lin2val = lin2log;
			}
		},

		/**
		 * Merge and set options
		 */
		setOptions: function (userOptions) {
			this.options = merge(
				this.defaultOptions,
				this.isXAxis ? {} : this.defaultYAxisOptions,
				[this.defaultTopAxisOptions, this.defaultRightAxisOptions,
					this.defaultBottomAxisOptions, this.defaultLeftAxisOptions][this.side],
				merge(
					defaultOptions[this.coll], // if set in setOptions (#1053)
					userOptions
				)
			);
		},

		/**
		 * The default label formatter. The context is a special config object for the label.
		 */
		defaultLabelFormatter: function () {
			var axis = this.axis,
				value = this.value,
				categories = axis.categories,
				dateTimeLabelFormat = this.dateTimeLabelFormat,
				numericSymbols = defaultOptions.lang.numericSymbols,
				i = numericSymbols && numericSymbols.length,
				multi,
				ret,
				formatOption = axis.options.labels.format,

				// make sure the same symbol is added for all labels on a linear axis
				numericSymbolDetector = axis.isLog ? value : axis.tickInterval;

			if (formatOption) {
				ret = format(formatOption, this);

			} else if (categories) {
				ret = value;

			} else if (dateTimeLabelFormat) { // datetime axis
				ret = dateFormat(dateTimeLabelFormat, value);

			} else if (i && numericSymbolDetector >= 1000) {
				// Decide whether we should add a numeric symbol like k (thousands) or M (millions).
				// If we are to enable this in tooltip or other places as well, we can move this
				// logic to the numberFormatter and enable it by a parameter.
				while (i-- && ret === UNDEFINED) {
					multi = Math.pow(1000, i + 1);
					if (numericSymbolDetector >= multi && numericSymbols[i] !== null) {
						ret = Highcharts.numberFormat(value / multi, -1) + numericSymbols[i];
					}
				}
			}

			if (ret === UNDEFINED) {
				if (mathAbs(value) >= 10000) { // add thousands separators
					ret = Highcharts.numberFormat(value, 0);

				} else { // small numbers
					ret = Highcharts.numberFormat(value, -1, UNDEFINED, ''); // #2466
				}
			}

			return ret;
		},

		/**
		 * Get the minimum and maximum for the series of each axis
		 */
		getSeriesExtremes: function () {
			var axis = this,
				chart = axis.chart;

			axis.hasVisibleSeries = false;

			// Reset properties in case we're redrawing (#3353)
			axis.dataMin = axis.dataMax = axis.ignoreMinPadding = axis.ignoreMaxPadding = null;
			
			if (axis.buildStacks) {
				axis.buildStacks();
			}

			// loop through this axis' series
			each(axis.series, function (series) {

				if (series.visible || !chart.options.chart.ignoreHiddenSeries) {

					var seriesOptions = series.options,
						xData,
						threshold = seriesOptions.threshold,
						seriesDataMin,
						seriesDataMax;

					axis.hasVisibleSeries = true;

					// Validate threshold in logarithmic axes
					if (axis.isLog && threshold <= 0) {
						threshold = null;
					}

					// Get dataMin and dataMax for X axes
					if (axis.isXAxis) {
						xData = series.xData;
						if (xData.length) {
							axis.dataMin = mathMin(pick(axis.dataMin, xData[0]), arrayMin(xData));
							axis.dataMax = mathMax(pick(axis.dataMax, xData[0]), arrayMax(xData));
						}

					// Get dataMin and dataMax for Y axes, as well as handle stacking and processed data
					} else {

						// Get this particular series extremes
						series.getExtremes();
						seriesDataMax = series.dataMax;
						seriesDataMin = series.dataMin;

						// Get the dataMin and dataMax so far. If percentage is used, the min and max are
						// always 0 and 100. If seriesDataMin and seriesDataMax is null, then series
						// doesn't have active y data, we continue with nulls
						if (defined(seriesDataMin) && defined(seriesDataMax)) {
							axis.dataMin = mathMin(pick(axis.dataMin, seriesDataMin), seriesDataMin);
							axis.dataMax = mathMax(pick(axis.dataMax, seriesDataMax), seriesDataMax);
						}

						// Adjust to threshold
						if (defined(threshold)) {
							if (axis.dataMin >= threshold) {
								axis.dataMin = threshold;
								axis.ignoreMinPadding = true;
							} else if (axis.dataMax < threshold) {
								axis.dataMax = threshold;
								axis.ignoreMaxPadding = true;
							}
						}
					}
				}
			});
		},

		/**
		 * Translate from axis value to pixel position on the chart, or back
		 *
		 */
		translate: function (val, backwards, cvsCoord, old, handleLog, pointPlacement) {
			var axis = this.linkedParent || this, // #1417
				sign = 1,
				cvsOffset = 0,
				localA = old ? axis.oldTransA : axis.transA,
				localMin = old ? axis.oldMin : axis.min,
				returnValue,
				minPixelPadding = axis.minPixelPadding,
				doPostTranslate = (axis.doPostTranslate || (axis.isLog && handleLog)) && axis.lin2val;

			if (!localA) {
				localA = axis.transA;
			}

			// In vertical axes, the canvas coordinates start from 0 at the top like in
			// SVG.
			if (cvsCoord) {
				sign *= -1; // canvas coordinates inverts the value
				cvsOffset = axis.len;
			}

			// Handle reversed axis
			if (axis.reversed) {
				sign *= -1;
				cvsOffset -= sign * (axis.sector || axis.len);
			}

			// From pixels to value
			if (backwards) { // reverse translation

				val = val * sign + cvsOffset;
				val -= minPixelPadding;
				returnValue = val / localA + localMin; // from chart pixel to value
				if (doPostTranslate) { // log and ordinal axes
					returnValue = axis.lin2val(returnValue);
				}

			// From value to pixels
			} else {
				if (doPostTranslate) { // log and ordinal axes
					val = axis.val2lin(val);
				}
				if (pointPlacement === 'between') {
					pointPlacement = 0.5;
				}
				returnValue = sign * (val - localMin) * localA + cvsOffset + (sign * minPixelPadding) +
					(isNumber(pointPlacement) ? localA * pointPlacement * axis.pointRange : 0);
			}

			return returnValue;
		},

		/**
		 * Utility method to translate an axis value to pixel position.
		 * @param {Number} value A value in terms of axis units
		 * @param {Boolean} paneCoordinates Whether to return the pixel coordinate relative to the chart
		 *        or just the axis/pane itself.
		 */
		toPixels: function (value, paneCoordinates) {
			return this.translate(value, false, !this.horiz, null, true) + (paneCoordinates ? 0 : this.pos);
		},

		/*
		 * Utility method to translate a pixel position in to an axis value
		 * @param {Number} pixel The pixel value coordinate
		 * @param {Boolean} paneCoordiantes Whether the input pixel is relative to the chart or just the
		 *        axis/pane itself.
		 */
		toValue: function (pixel, paneCoordinates) {
			return this.translate(pixel - (paneCoordinates ? 0 : this.pos), true, !this.horiz, null, true);
		},

		/**
		 * Create the path for a plot line that goes from the given value on
		 * this axis, across the plot to the opposite side
		 * @param {Number} value
		 * @param {Number} lineWidth Used for calculation crisp line
		 * @param {Number] old Use old coordinates (for resizing and rescaling)
		 */
		getPlotLinePath: function (value, lineWidth, old, force, translatedValue) {
			var axis = this,
				chart = axis.chart,
				axisLeft = axis.left,
				axisTop = axis.top,
				x1,
				y1,
				x2,
				y2,
				cHeight = (old && chart.oldChartHeight) || chart.chartHeight,
				cWidth = (old && chart.oldChartWidth) || chart.chartWidth,
				skip,
				transB = axis.transB,
				/**
				 * Check if x is between a and b. If not, either move to a/b or skip, 
				 * depending on the force parameter.
				 */
				between = function (x, a, b) {
					if (x < a || x > b) {
						if (force) {
							x = mathMin(mathMax(a, x), b);
						} else {
							skip = true;
						}
					}
					return x;
				};

			translatedValue = pick(translatedValue, axis.translate(value, null, null, old));
			x1 = x2 = mathRound(translatedValue + transB);
			y1 = y2 = mathRound(cHeight - translatedValue - transB);

			if (isNaN(translatedValue)) { // no min or max
				skip = true;

			} else if (axis.horiz) {
				y1 = axisTop;
				y2 = cHeight - axis.bottom;
				x1 = x2 = between(x1, axisLeft, axisLeft + axis.width);
			} else {
				x1 = axisLeft;
				x2 = cWidth - axis.right;
				y1 = y2 = between(y1, axisTop, axisTop + axis.height);
			}
			return skip && !force ?
				null :
				chart.renderer.crispLine([M, x1, y1, L, x2, y2], lineWidth || 1);
		},

		/**
		 * Set the tick positions of a linear axis to round values like whole tens or every five.
		 */
		getLinearTickPositions: function (tickInterval, min, max) {
			var pos,
				lastPos,
				roundedMin = correctFloat(mathFloor(min / tickInterval) * tickInterval),
				roundedMax = correctFloat(mathCeil(max / tickInterval) * tickInterval),
				tickPositions = [];

			// For single points, add a tick regardless of the relative position (#2662)
			if (min === max && isNumber(min)) {
				return [min];
			}

			// Populate the intermediate values
			pos = roundedMin;
			while (pos <= roundedMax) {

				// Place the tick on the rounded value
				tickPositions.push(pos);

				// Always add the raw tickInterval, not the corrected one.
				pos = correctFloat(pos + tickInterval);

				// If the interval is not big enough in the current min - max range to actually increase
				// the loop variable, we need to break out to prevent endless loop. Issue #619
				if (pos === lastPos) {
					break;
				}

				// Record the last value
				lastPos = pos;
			}
			return tickPositions;
		},

		/**
		 * Return the minor tick positions. For logarithmic axes, reuse the same logic
		 * as for major ticks.
		 */
		getMinorTickPositions: function () {
			var axis = this,
				options = axis.options,
				tickPositions = axis.tickPositions,
				minorTickInterval = axis.minorTickInterval,
				minorTickPositions = [],
				pos,
				i,
				min = axis.min,
				max = axis.max,
				range = max - min,
				len;

			// If minor ticks get too dense, they are hard to read, and may cause long running script. So we don't draw them.
			if (range && range / minorTickInterval < axis.len / 3) { // #3875

				if (axis.isLog) {
					len = tickPositions.length;
					for (i = 1; i < len; i++) {
						minorTickPositions = minorTickPositions.concat(
							axis.getLogTickPositions(minorTickInterval, tickPositions[i - 1], tickPositions[i], true)
						);
					}
				} else if (axis.isDatetimeAxis && options.minorTickInterval === 'auto') { // #1314
					minorTickPositions = minorTickPositions.concat(
						axis.getTimeTicks(
							axis.normalizeTimeTickInterval(minorTickInterval),
							min,
							max,
							options.startOfWeek
						)
					);
				} else {
					for (pos = min + (tickPositions[0] - min) % minorTickInterval; pos <= max; pos += minorTickInterval) {
						minorTickPositions.push(pos);
					}
				}
			}

			axis.trimTicks(minorTickPositions); // #3652 #3743
			return minorTickPositions;
		},

		/**
		 * Adjust the min and max for the minimum range. Keep in mind that the series data is
		 * not yet processed, so we don't have information on data cropping and grouping, or
		 * updated axis.pointRange or series.pointRange. The data can't be processed until
		 * we have finally established min and max.
		 */
		adjustForMinRange: function () {
			var axis = this,
				options = axis.options,
				min = axis.min,
				max = axis.max,
				zoomOffset,
				spaceAvailable = axis.dataMax - axis.dataMin >= axis.minRange,
				closestDataRange,
				i,
				distance,
				xData,
				loopLength,
				minArgs,
				maxArgs;

			// Set the automatic minimum range based on the closest point distance
			if (axis.isXAxis && axis.minRange === UNDEFINED && !axis.isLog) {

				if (defined(options.min) || defined(options.max)) {
					axis.minRange = null; // don't do this again

				} else {

					// Find the closest distance between raw data points, as opposed to
					// closestPointRange that applies to processed points (cropped and grouped)
					each(axis.series, function (series) {
						xData = series.xData;
						loopLength = series.xIncrement ? 1 : xData.length - 1;
						for (i = loopLength; i > 0; i--) {
							distance = xData[i] - xData[i - 1];
							if (closestDataRange === UNDEFINED || distance < closestDataRange) {
								closestDataRange = distance;
							}
						}
					});
					axis.minRange = mathMin(closestDataRange * 5, axis.dataMax - axis.dataMin);
				}
			}

			// if minRange is exceeded, adjust
			if (max - min < axis.minRange) {
				var minRange = axis.minRange;
				zoomOffset = (minRange - max + min) / 2;

				// if min and max options have been set, don't go beyond it
				minArgs = [min - zoomOffset, pick(options.min, min - zoomOffset)];
				if (spaceAvailable) { // if space is available, stay within the data range
					minArgs[2] = axis.dataMin;
				}
				min = arrayMax(minArgs);

				maxArgs = [min + minRange, pick(options.max, min + minRange)];
				if (spaceAvailable) { // if space is availabe, stay within the data range
					maxArgs[2] = axis.dataMax;
				}

				max = arrayMin(maxArgs);

				// now if the max is adjusted, adjust the min back
				if (max - min < minRange) {
					minArgs[0] = max - minRange;
					minArgs[1] = pick(options.min, max - minRange);
					min = arrayMax(minArgs);
				}
			}

			// Record modified extremes
			axis.min = min;
			axis.max = max;
		},

		/**
		 * Update translation information
		 */
		setAxisTranslation: function (saveOld) {
			var axis = this,
				range = axis.max - axis.min,
				pointRange = axis.axisPointRange || 0,
				closestPointRange,
				minPointOffset = 0,
				pointRangePadding = 0,
				linkedParent = axis.linkedParent,
				ordinalCorrection,
				hasCategories = !!axis.categories,
				transA = axis.transA,
				isXAxis = axis.isXAxis;

			// Adjust translation for padding. Y axis with categories need to go through the same (#1784).
			if (isXAxis || hasCategories || pointRange) {
				if (linkedParent) {
					minPointOffset = linkedParent.minPointOffset;
					pointRangePadding = linkedParent.pointRangePadding;

				} else {
					each(axis.series, function (series) {
						var seriesPointRange = hasCategories ? 1 : (isXAxis ? series.pointRange : (axis.axisPointRange || 0)), // #2806
							pointPlacement = series.options.pointPlacement,
							seriesClosestPointRange = series.closestPointRange;

						if (seriesPointRange > range) { // #1446
							seriesPointRange = 0;
						}
						pointRange = mathMax(pointRange, seriesPointRange);

						if (!axis.single) {
							// minPointOffset is the value padding to the left of the axis in order to make
							// room for points with a pointRange, typically columns. When the pointPlacement option
							// is 'between' or 'on', this padding does not apply.
							minPointOffset = mathMax(
								minPointOffset,
								isString(pointPlacement) ? 0 : seriesPointRange / 2
							);

							// Determine the total padding needed to the length of the axis to make room for the
							// pointRange. If the series' pointPlacement is 'on', no padding is added.
							pointRangePadding = mathMax(
								pointRangePadding,
								pointPlacement === 'on' ? 0 : seriesPointRange
							);
						}

						// Set the closestPointRange
						if (!series.noSharedTooltip && defined(seriesClosestPointRange)) {
							closestPointRange = defined(closestPointRange) ?
								mathMin(closestPointRange, seriesClosestPointRange) :
								seriesClosestPointRange;
						}
					});
				}

				// Record minPointOffset and pointRangePadding
				ordinalCorrection = axis.ordinalSlope && closestPointRange ? axis.ordinalSlope / closestPointRange : 1; // #988, #1853
				axis.minPointOffset = minPointOffset = minPointOffset * ordinalCorrection;
				axis.pointRangePadding = pointRangePadding = pointRangePadding * ordinalCorrection;

				// pointRange means the width reserved for each point, like in a column chart
				axis.pointRange = mathMin(pointRange, range);

				// closestPointRange means the closest distance between points. In columns
				// it is mostly equal to pointRange, but in lines pointRange is 0 while closestPointRange
				// is some other value
				if (isXAxis) {
					axis.closestPointRange = closestPointRange;
				}
			}

			// Secondary values
			if (saveOld) {
				axis.oldTransA = transA;
			}
			axis.translationSlope = axis.transA = transA = axis.len / ((range + pointRangePadding) || 1);
			axis.transB = axis.horiz ? axis.left : axis.bottom; // translation addend
			axis.minPixelPadding = transA * minPointOffset;
		},

		/**
		 * Set the tick positions to round values and optionally extend the extremes
		 * to the nearest tick
		 */
		setTickInterval: function (secondPass) {
			var axis = this,
				chart = axis.chart,
				options = axis.options,
				isLog = axis.isLog,
				isDatetimeAxis = axis.isDatetimeAxis,
				isXAxis = axis.isXAxis,
				isLinked = axis.isLinked,
				maxPadding = options.maxPadding,
				minPadding = options.minPadding,
				length,
				linkedParentExtremes,
				tickIntervalOption = options.tickInterval,
				minTickInterval,
				tickPixelIntervalOption = options.tickPixelInterval,
				categories = axis.categories;

			if (!isDatetimeAxis && !categories && !isLinked) {
				this.getTickAmount();
			}

			// linked axis gets the extremes from the parent axis
			if (isLinked) {
				axis.linkedParent = chart[axis.coll][options.linkedTo];
				linkedParentExtremes = axis.linkedParent.getExtremes();
				axis.min = pick(linkedParentExtremes.min, linkedParentExtremes.dataMin);
				axis.max = pick(linkedParentExtremes.max, linkedParentExtremes.dataMax);
				if (options.type !== axis.linkedParent.options.type) {
					error(11, 1); // Can't link axes of different type
				}
			} else { // initial min and max from the extreme data values
				axis.min = pick(axis.userMin, options.min, axis.dataMin);
				axis.max = pick(axis.userMax, options.max, axis.dataMax);
			}

			if (isLog) {
				if (!secondPass && mathMin(axis.min, pick(axis.dataMin, axis.min)) <= 0) { // #978
					error(10, 1); // Can't plot negative values on log axis
				}
				axis.min = correctFloat(log2lin(axis.min)); // correctFloat cures #934
				axis.max = correctFloat(log2lin(axis.max));
			}

			// handle zoomed range
			if (axis.range && defined(axis.max)) {
				axis.userMin = axis.min = mathMax(axis.min, axis.max - axis.range); // #618
				axis.userMax = axis.max;

				axis.range = null;  // don't use it when running setExtremes
			}

			// Hook for adjusting this.min and this.max. Used by bubble series.
			if (axis.beforePadding) {
				axis.beforePadding();
			}

			// adjust min and max for the minimum range
			axis.adjustForMinRange();

			// Pad the values to get clear of the chart's edges. To avoid tickInterval taking the padding
			// into account, we do this after computing tick interval (#1337).
			if (!categories && !axis.axisPointRange && !axis.usePercentage && !isLinked && defined(axis.min) && defined(axis.max)) {
				length = axis.max - axis.min;
				if (length) {
					if (!defined(options.min) && !defined(axis.userMin) && minPadding && (axis.dataMin < 0 || !axis.ignoreMinPadding)) {
						axis.min -= length * minPadding;
					}
					if (!defined(options.max) && !defined(axis.userMax)  && maxPadding && (axis.dataMax > 0 || !axis.ignoreMaxPadding)) {
						axis.max += length * maxPadding;
					}
				}
			}

			// Stay within floor and ceiling
			if (isNumber(options.floor)) {
				axis.min = mathMax(axis.min, options.floor);
			}
			if (isNumber(options.ceiling)) {
				axis.max = mathMin(axis.max, options.ceiling);
			}

			// get tickInterval
			if (axis.min === axis.max || axis.min === undefined || axis.max === undefined) {
				axis.tickInterval = 1;
			} else if (isLinked && !tickIntervalOption &&
					tickPixelIntervalOption === axis.linkedParent.options.tickPixelInterval) {
				axis.tickInterval = tickIntervalOption = axis.linkedParent.tickInterval;
			} else {
				axis.tickInterval = pick(
					tickIntervalOption,
					this.tickAmount ? ((axis.max - axis.min) / mathMax(this.tickAmount - 1, 1)) : undefined,
					categories ? // for categoried axis, 1 is default, for linear axis use tickPix
						1 :
						// don't let it be more than the data range
						(axis.max - axis.min) * tickPixelIntervalOption / mathMax(axis.len, tickPixelIntervalOption)
				);
			}

			// Now we're finished detecting min and max, crop and group series data. This
			// is in turn needed in order to find tick positions in ordinal axes.
			if (isXAxis && !secondPass) {
				each(axis.series, function (series) {
					series.processData(axis.min !== axis.oldMin || axis.max !== axis.oldMax);
				});
			}

			// set the translation factor used in translate function
			axis.setAxisTranslation(true);

			// hook for ordinal axes and radial axes
			if (axis.beforeSetTickPositions) {
				axis.beforeSetTickPositions();
			}

			// hook for extensions, used in Highstock ordinal axes
			if (axis.postProcessTickInterval) {
				axis.tickInterval = axis.postProcessTickInterval(axis.tickInterval);
			}

			// In column-like charts, don't cramp in more ticks than there are points (#1943)
			if (axis.pointRange) {
				axis.tickInterval = mathMax(axis.pointRange, axis.tickInterval);
			}

			// Before normalizing the tick interval, handle minimum tick interval. This applies only if tickInterval is not defined.
			minTickInterval = pick(options.minTickInterval, axis.isDatetimeAxis && axis.closestPointRange);
			if (!tickIntervalOption && axis.tickInterval < minTickInterval) {
				axis.tickInterval = minTickInterval;
			}

			// for linear axes, get magnitude and normalize the interval
			if (!isDatetimeAxis && !isLog && !tickIntervalOption) {
				axis.tickInterval = normalizeTickInterval(
					axis.tickInterval, 
					null, 
					getMagnitude(axis.tickInterval), 
					// If the tick interval is between 0.5 and 5 and the axis max is in the order of
					// thousands, chances are we are dealing with years. Don't allow decimals. #3363.
					pick(options.allowDecimals, !(axis.tickInterval > 0.5 && axis.tickInterval < 5 && axis.max > 1000 && axis.max < 9999)),
					!!this.tickAmount
				);
			}
			
			// Prevent ticks from getting so close that we can't draw the labels
			if (!this.tickAmount && this.len) { // Color axis with disabled legend has no length
				axis.tickInterval = axis.unsquish();
			}

			this.setTickPositions();
		},

		/**
		 * Now we have computed the normalized tickInterval, get the tick positions
		 */
		setTickPositions: function () {

			var options = this.options,
				tickPositions,
				tickPositionsOption = options.tickPositions,
				tickPositioner = options.tickPositioner,
				startOnTick = options.startOnTick,
				endOnTick = options.endOnTick,
				single;

			// Set the tickmarkOffset
			this.tickmarkOffset = (this.categories && options.tickmarkPlacement === 'between' && 
				this.tickInterval === 1) ? 0.5 : 0; // #3202


			// get minorTickInterval
			this.minorTickInterval = options.minorTickInterval === 'auto' && this.tickInterval ?
				this.tickInterval / 5 : options.minorTickInterval;

			// Find the tick positions
			this.tickPositions = tickPositions = options.tickPositions && options.tickPositions.slice(); // Work on a copy (#1565)
			if (!tickPositions) {

				if (this.isDatetimeAxis) {
					tickPositions = this.getTimeTicks(
						this.normalizeTimeTickInterval(this.tickInterval, options.units),
						this.min,
						this.max,
						options.startOfWeek,
						this.ordinalPositions,
						this.closestPointRange,
						true
					);
				} else if (this.isLog) {
					tickPositions = this.getLogTickPositions(this.tickInterval, this.min, this.max);
				} else {
					tickPositions = this.getLinearTickPositions(this.tickInterval, this.min, this.max);
				}

				this.tickPositions = tickPositions;

				// Run the tick positioner callback, that allows modifying auto tick positions.
				if (tickPositioner) {
					tickPositioner = tickPositioner.apply(this, [this.min, this.max]);
					if (tickPositioner) {
						this.tickPositions = tickPositions = tickPositioner;
					}
				}

			}

			if (!this.isLinked) {

				// reset min/max or remove extremes based on start/end on tick
				this.trimTicks(tickPositions, startOnTick, endOnTick);

				// When there is only one point, or all points have the same value on this axis, then min
				// and max are equal and tickPositions.length is 0 or 1. In this case, add some padding
				// in order to center the point, but leave it with one tick. #1337.
				if (this.min === this.max && defined(this.min) && !this.tickAmount) {
					// Substract half a unit (#2619, #2846, #2515, #3390)
					single = true;
					this.min -= 0.5;
					this.max += 0.5;
				}
				this.single = single;

				if (!tickPositionsOption && !tickPositioner) {
					this.adjustTickAmount();
				}
			}
		},

		/**
		 * Handle startOnTick and endOnTick by either adapting to padding min/max or rounded min/max
		 */
		trimTicks: function (tickPositions, startOnTick, endOnTick) {
			var roundedMin = tickPositions[0],
				roundedMax = tickPositions[tickPositions.length - 1],
				minPointOffset = this.minPointOffset || 0;
				
			if (startOnTick) {
				this.min = roundedMin;
			} else if (this.min - minPointOffset > roundedMin) {
				tickPositions.shift();
			}

			if (endOnTick) {
				this.max = roundedMax;
			} else if (this.max + minPointOffset < roundedMax) {
				tickPositions.pop();
			}

			// If no tick are left, set one tick in the middle (#3195) 
			if (tickPositions.length === 0 && defined(roundedMin)) {
				tickPositions.push((roundedMax + roundedMin) / 2);
			}		
		},

		/**
		 * Set the max ticks of either the x and y axis collection
		 */
		getTickAmount: function () {
			var others = {}, // Whether there is another axis to pair with this one
				hasOther,
				options = this.options,
				tickAmount = options.tickAmount,
				tickPixelInterval = options.tickPixelInterval;

			if (!defined(options.tickInterval) && this.len < tickPixelInterval && !this.isRadial &&
					!this.isLog && options.startOnTick && options.endOnTick) {
				tickAmount = 2;
			}

			if (!tickAmount && this.chart.options.chart.alignTicks !== false && options.alignTicks !== false) {
				// Check if there are multiple axes in the same pane
				each(this.chart[this.coll], function (axis) {
					var options = axis.options,
						horiz = axis.horiz,
						key = [horiz ? options.left : options.top, horiz ? options.width : options.height, options.pane].join(',');
					
					if (others[key]) {
						if (axis.series.length) {
							hasOther = true; // #4201
						}
					} else {
						others[key] = 1;
					}
				});

				if (hasOther) {
					// Add 1 because 4 tick intervals require 5 ticks (including first and last)
					tickAmount = mathCeil(this.len / tickPixelInterval) + 1;
				}
			}

			// For tick amounts of 2 and 3, compute five ticks and remove the intermediate ones. This
			// prevents the axis from adding ticks that are too far away from the data extremes.
			if (tickAmount < 4) {
				this.finalTickAmt = tickAmount;
				tickAmount = 5;
			}
			
			this.tickAmount = tickAmount;
		},

		/**
		 * When using multiple axes, adjust the number of ticks to match the highest
		 * number of ticks in that group
		 */
		adjustTickAmount: function () {
			var tickInterval = this.tickInterval,
				tickPositions = this.tickPositions,
				tickAmount = this.tickAmount,
				finalTickAmt = this.finalTickAmt,
				currentTickAmount = tickPositions && tickPositions.length,
				i,
				len;

			if (currentTickAmount < tickAmount) { // TODO: Check #3411
				while (tickPositions.length < tickAmount) {
					tickPositions.push(correctFloat(
						tickPositions[tickPositions.length - 1] + tickInterval
					));
				}
				this.transA *= (currentTickAmount - 1) / (tickAmount - 1);
				this.max = tickPositions[tickPositions.length - 1];

			// We have too many ticks, run second pass to try to reduce ticks
			} else if (currentTickAmount > tickAmount) {
				this.tickInterval *= 2;
				this.setTickPositions();
			}

			// The finalTickAmt property is set in getTickAmount
			if (defined(finalTickAmt)) {
				i = len = tickPositions.length;
				while (i--) {
					if (
						(finalTickAmt === 3 && i % 2 === 1) || // Remove every other tick
						(finalTickAmt <= 2 && i > 0 && i < len - 1) // Remove all but first and last
					) {
						tickPositions.splice(i, 1);
					}	
				}
				this.finalTickAmt = UNDEFINED;
			}
		},

		/**
		 * Set the scale based on data min and max, user set min and max or options
		 *
		 */
		setScale: function () {
			var axis = this,
				stacks = axis.stacks,
				type,
				i,
				isDirtyData,
				isDirtyAxisLength;

			axis.oldMin = axis.min;
			axis.oldMax = axis.max;
			axis.oldAxisLength = axis.len;

			// set the new axisLength
			axis.setAxisSize();
			//axisLength = horiz ? axisWidth : axisHeight;
			isDirtyAxisLength = axis.len !== axis.oldAxisLength;

			// is there new data?
			each(axis.series, function (series) {
				if (series.isDirtyData || series.isDirty ||
						series.xAxis.isDirty) { // when x axis is dirty, we need new data extremes for y as well
					isDirtyData = true;
				}
			});

			// do we really need to go through all this?
			if (isDirtyAxisLength || isDirtyData || axis.isLinked || axis.forceRedraw ||
				axis.userMin !== axis.oldUserMin || axis.userMax !== axis.oldUserMax) {

				// reset stacks
				if (!axis.isXAxis) {
					for (type in stacks) {
						for (i in stacks[type]) {
							stacks[type][i].total = null;
							stacks[type][i].cum = 0;
						}
					}
				}

				axis.forceRedraw = false;

				// get data extremes if needed
				axis.getSeriesExtremes();

				// get fixed positions based on tickInterval
				axis.setTickInterval();

				// record old values to decide whether a rescale is necessary later on (#540)
				axis.oldUserMin = axis.userMin;
				axis.oldUserMax = axis.userMax;

				// Mark as dirty if it is not already set to dirty and extremes have changed. #595.
				if (!axis.isDirty) {
					axis.isDirty = isDirtyAxisLength || axis.min !== axis.oldMin || axis.max !== axis.oldMax;
				}
			} else if (!axis.isXAxis) {
				if (axis.oldStacks) {
					stacks = axis.stacks = axis.oldStacks;
				}

				// reset stacks
				for (type in stacks) {
					for (i in stacks[type]) {
						stacks[type][i].cum = stacks[type][i].total;
					}
				}
			}
		},

		/**
		 * Set the extremes and optionally redraw
		 * @param {Number} newMin
		 * @param {Number} newMax
		 * @param {Boolean} redraw
		 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
		 *    configuration
		 * @param {Object} eventArguments
		 *
		 */
		setExtremes: function (newMin, newMax, redraw, animation, eventArguments) {
			var axis = this,
				chart = axis.chart;

			redraw = pick(redraw, true); // defaults to true

			each(axis.series, function (serie) {
				delete serie.kdTree;
			});

			// Extend the arguments with min and max
			eventArguments = extend(eventArguments, {
				min: newMin,
				max: newMax
			});

			// Fire the event
			fireEvent(axis, 'setExtremes', eventArguments, function () { // the default event handler

				axis.userMin = newMin;
				axis.userMax = newMax;
				axis.eventArgs = eventArguments;

				// Mark for running afterSetExtremes
				axis.isDirtyExtremes = true;

				// redraw
				if (redraw) {
					chart.redraw(animation);
				}
			});
		},

		/**
		 * Overridable method for zooming chart. Pulled out in a separate method to allow overriding
		 * in stock charts.
		 */
		zoom: function (newMin, newMax) {
			var dataMin = this.dataMin,
				dataMax = this.dataMax,
				options = this.options;

			// Prevent pinch zooming out of range. Check for defined is for #1946. #1734.
			if (!this.allowZoomOutside) {
				if (defined(dataMin) && newMin <= mathMin(dataMin, pick(options.min, dataMin))) {
					newMin = UNDEFINED;
				}
				if (defined(dataMax) && newMax >= mathMax(dataMax, pick(options.max, dataMax))) {
					newMax = UNDEFINED;
				}
			}

			// In full view, displaying the reset zoom button is not required
			this.displayBtn = newMin !== UNDEFINED || newMax !== UNDEFINED;

			// Do it
			this.setExtremes(
				newMin,
				newMax,
				false,
				UNDEFINED,
				{ trigger: 'zoom' }
			);
			return true;
		},

		/**
		 * Update the axis metrics
		 */
		setAxisSize: function () {
			var chart = this.chart,
				options = this.options,
				offsetLeft = options.offsetLeft || 0,
				offsetRight = options.offsetRight || 0,
				horiz = this.horiz,
				width = pick(options.width, chart.plotWidth - offsetLeft + offsetRight),
				height = pick(options.height, chart.plotHeight),
				top = pick(options.top, chart.plotTop),
				left = pick(options.left, chart.plotLeft + offsetLeft),
				percentRegex = /%$/;

			// Check for percentage based input values
			if (percentRegex.test(height)) {
				height = parseFloat(height) / 100 * chart.plotHeight;
			}
			if (percentRegex.test(top)) {
				top = parseFloat(top) / 100 * chart.plotHeight + chart.plotTop;
			}

			// Expose basic values to use in Series object and navigator
			this.left = left;
			this.top = top;
			this.width = width;
			this.height = height;
			this.bottom = chart.chartHeight - height - top;
			this.right = chart.chartWidth - width - left;

			// Direction agnostic properties
			this.len = mathMax(horiz ? width : height, 0); // mathMax fixes #905
			this.pos = horiz ? left : top; // distance from SVG origin
		},

		/**
		 * Get the actual axis extremes
		 */
		getExtremes: function () {
			var axis = this,
				isLog = axis.isLog;

			return {
				min: isLog ? correctFloat(lin2log(axis.min)) : axis.min,
				max: isLog ? correctFloat(lin2log(axis.max)) : axis.max,
				dataMin: axis.dataMin,
				dataMax: axis.dataMax,
				userMin: axis.userMin,
				userMax: axis.userMax
			};
		},

		/**
		 * Get the zero plane either based on zero or on the min or max value.
		 * Used in bar and area plots
		 */
		getThreshold: function (threshold) {
			var axis = this,
				isLog = axis.isLog;

			var realMin = isLog ? lin2log(axis.min) : axis.min,
				realMax = isLog ? lin2log(axis.max) : axis.max;

			if (realMin > threshold || threshold === null) {
				threshold = realMin;
			} else if (realMax < threshold) {
				threshold = realMax;
			}

			return axis.translate(threshold, 0, 1, 0, 1);
		},

		/**
		 * Compute auto alignment for the axis label based on which side the axis is on
		 * and the given rotation for the label
		 */
		autoLabelAlign: function (rotation) {
			var ret,
				angle = (pick(rotation, 0) - (this.side * 90) + 720) % 360;

			if (angle > 15 && angle < 165) {
				ret = 'right';
			} else if (angle > 195 && angle < 345) {
				ret = 'left';
			} else {
				ret = 'center';
			}
			return ret;
		},

		/**
		 * Prevent the ticks from getting so close we can't draw the labels. On a horizontal
		 * axis, this is handled by rotating the labels, removing ticks and adding ellipsis. 
		 * On a vertical axis remove ticks and add ellipsis.
		 */
		unsquish: function () {
			var chart = this.chart,
				ticks = this.ticks,
				labelOptions = this.options.labels,
				horiz = this.horiz,
				tickInterval = this.tickInterval,
				newTickInterval = tickInterval,
				slotSize = this.len / (((this.categories ? 1 : 0) + this.max - this.min) / tickInterval),
				rotation,
				rotationOption = labelOptions.rotation,
				labelMetrics = chart.renderer.fontMetrics(labelOptions.style.fontSize, ticks[0] && ticks[0].label),
				step,
				bestScore = Number.MAX_VALUE,
				autoRotation,
				// Return the multiple of tickInterval that is needed to avoid collision
				getStep = function (spaceNeeded) {
					var step = spaceNeeded / (slotSize || 1);
					step = step > 1 ? mathCeil(step) : 1;
					return step * tickInterval;
				};
			
			if (horiz) {
				autoRotation = defined(rotationOption) ? 
					[rotationOption] :
					slotSize < pick(labelOptions.autoRotationLimit, 80) && !labelOptions.staggerLines && !labelOptions.step && labelOptions.autoRotation;

				if (autoRotation) {

					// Loop over the given autoRotation options, and determine which gives the best score. The 
					// best score is that with the lowest number of steps and a rotation closest to horizontal.
					each(autoRotation, function (rot) {
						var score;

						if (rot === rotationOption || (rot && rot >= -90 && rot <= 90)) { // #3891
						
							step = getStep(mathAbs(labelMetrics.h / mathSin(deg2rad * rot)));

							score = step + mathAbs(rot / 360);

							if (score < bestScore) {
								bestScore = score;
								rotation = rot;
								newTickInterval = step;
							}
						}
					});
				}

			} else {
				newTickInterval = getStep(labelMetrics.h);
			}

			this.autoRotation = autoRotation;
			this.labelRotation = rotation;

			return newTickInterval;
		},

		renderUnsquish: function () {
			var chart = this.chart,
				renderer = chart.renderer,
				tickPositions = this.tickPositions,
				ticks = this.ticks,
				labelOptions = this.options.labels,
				horiz = this.horiz,
				margin = chart.margin,
				slotCount = this.categories ? tickPositions.length : tickPositions.length - 1,
				slotWidth = this.slotWidth = (horiz && !labelOptions.step && !labelOptions.rotation &&
					((this.staggerLines || 1) * chart.plotWidth) / slotCount) ||
					(!horiz && ((margin[3] && (margin[3] - chart.spacing[3])) || chart.chartWidth * 0.33)), // #1580, #1931,
				innerWidth = mathMax(1, mathRound(slotWidth - 2 * (labelOptions.padding || 5))),
				attr = {},
				labelMetrics = renderer.fontMetrics(labelOptions.style.fontSize, ticks[0] && ticks[0].label),
				css,
				labelLength = 0,
				label,
				i,
				pos;

			// Set rotation option unless it is "auto", like in gauges
			if (!isString(labelOptions.rotation)) {
				attr.rotation = labelOptions.rotation;
			}
			
			// Handle auto rotation on horizontal axis
			if (this.autoRotation) {

				// Get the longest label length
				each(tickPositions, function (tick) {
					tick = ticks[tick];
					if (tick && tick.labelLength > labelLength) {
						labelLength = tick.labelLength;
					}
				});
				
				// Apply rotation only if the label is too wide for the slot, and
				// the label is wider than its height.
				if (labelLength > innerWidth && labelLength > labelMetrics.h) {
					attr.rotation = this.labelRotation;
				} else {
					this.labelRotation = 0;
				}

			// Handle word-wrap or ellipsis on vertical axis
			} else if (slotWidth) {
				// For word-wrap or ellipsis
				css = { width: innerWidth + PX, textOverflow: 'clip' };

				// On vertical axis, only allow word wrap if there is room for more lines.
				i = tickPositions.length;
				while (!horiz && i--) {
					pos = tickPositions[i];
					label = ticks[pos].label;
					if (label) {
						// Reset ellipsis in order to get the correct bounding box (#4070)
						if (label.styles.textOverflow === 'ellipsis') {
							label.css({ textOverflow: 'clip' });
						}
						if (label.getBBox().height > this.len / tickPositions.length - (labelMetrics.h - labelMetrics.f)) {
							label.specCss = { textOverflow: 'ellipsis' };
						}
					}
				}
			}


			// Add ellipsis if the label length is significantly longer than ideal
			if (attr.rotation) {
				css = { 
					width: (labelLength > chart.chartHeight * 0.5 ? chart.chartHeight * 0.33 : chart.chartHeight) + PX,
					textOverflow: 'ellipsis'
				};
			}

			// Set the explicit or automatic label alignment
			this.labelAlign = attr.align = labelOptions.align || this.autoLabelAlign(this.labelRotation);

			// Apply general and specific CSS
			each(tickPositions, function (pos) {
				var tick = ticks[pos],
					label = tick && tick.label;
				if (label) {
					if (css) {
						label.css(merge(css, label.specCss));
					}
					delete label.specCss;
					label.attr(attr);
					tick.rotation = attr.rotation;
				}
			});

			// TODO: Why not part of getLabelPosition?
			this.tickRotCorr = renderer.rotCorr(labelMetrics.b, this.labelRotation || 0, this.side === 2);
		},

		/**
		 * Render the tick labels to a preliminary position to get their sizes
		 */
		getOffset: function () {
			var axis = this,
				chart = axis.chart,
				renderer = chart.renderer,
				options = axis.options,
				tickPositions = axis.tickPositions,
				ticks = axis.ticks,
				horiz = axis.horiz,
				side = axis.side,
				invertedSide = chart.inverted ? [1, 0, 3, 2][side] : side,
				hasData,
				showAxis,
				titleOffset = 0,
				titleOffsetOption,
				titleMargin = 0,
				axisTitleOptions = options.title,
				labelOptions = options.labels,
				labelOffset = 0, // reset
				labelOffsetPadded,
				axisOffset = chart.axisOffset,
				clipOffset = chart.clipOffset,
				directionFactor = [-1, 1, 1, -1][side],
				n,
				lineHeightCorrection;

			// For reuse in Axis.render
			axis.hasData = hasData = (axis.hasVisibleSeries || (defined(axis.min) && defined(axis.max) && !!tickPositions));
			axis.showAxis = showAxis = hasData || pick(options.showEmpty, true);

			// Set/reset staggerLines
			axis.staggerLines = axis.horiz && labelOptions.staggerLines;

			// Create the axisGroup and gridGroup elements on first iteration
			if (!axis.axisGroup) {
				axis.gridGroup = renderer.g('grid')
					.attr({ zIndex: options.gridZIndex || 1 })
					.add();
				axis.axisGroup = renderer.g('axis')
					.attr({ zIndex: options.zIndex || 2 })
					.add();
				axis.labelGroup = renderer.g('axis-labels')
					.attr({ zIndex: labelOptions.zIndex || 7 })
					.addClass(PREFIX + axis.coll.toLowerCase() + '-labels')
					.add();
			}

			if (hasData || axis.isLinked) {
				
				// Generate ticks
				each(tickPositions, function (pos) {
					if (!ticks[pos]) {
						ticks[pos] = new Tick(axis, pos);
					} else {
						ticks[pos].addLabel(); // update labels depending on tick interval
					}
				});

				axis.renderUnsquish();

				each(tickPositions, function (pos) {
					// left side must be align: right and right side must have align: left for labels
					if (side === 0 || side === 2 || { 1: 'left', 3: 'right' }[side] === axis.labelAlign) {

						// get the highest offset
						labelOffset = mathMax(
							ticks[pos].getLabelSize(),
							labelOffset
						);
					}
				});

				if (axis.staggerLines) {
					labelOffset *= axis.staggerLines;
					axis.labelOffset = labelOffset;
				}


			} else { // doesn't have data
				for (n in ticks) {
					ticks[n].destroy();
					delete ticks[n];
				}
			}

			if (axisTitleOptions && axisTitleOptions.text && axisTitleOptions.enabled !== false) {
				if (!axis.axisTitle) {
					axis.axisTitle = renderer.text(
						axisTitleOptions.text,
						0,
						0,
						axisTitleOptions.useHTML
					)
					.attr({
						zIndex: 7,
						rotation: axisTitleOptions.rotation || 0,
						align:
							axisTitleOptions.textAlign ||
							{ low: 'left', middle: 'center', high: 'right' }[axisTitleOptions.align]
					})
					.addClass(PREFIX + this.coll.toLowerCase() + '-title')
					.css(axisTitleOptions.style)
					.add(axis.axisGroup);
					axis.axisTitle.isNew = true;
				}

				if (showAxis) {
					titleOffset = axis.axisTitle.getBBox()[horiz ? 'height' : 'width'];
					titleOffsetOption = axisTitleOptions.offset;
					titleMargin = defined(titleOffsetOption) ? 0 : pick(axisTitleOptions.margin, horiz ? 5 : 10);
				}

				// hide or show the title depending on whether showEmpty is set
				axis.axisTitle[showAxis ? 'show' : 'hide']();
			}

			// handle automatic or user set offset
			axis.offset = directionFactor * pick(options.offset, axisOffset[side]);

			axis.tickRotCorr = axis.tickRotCorr || { x: 0, y: 0 }; // polar
			lineHeightCorrection = side === 2 ? axis.tickRotCorr.y : 0;
			labelOffsetPadded = labelOffset + titleMargin +
				(labelOffset && (directionFactor * (horiz ? pick(labelOptions.y, axis.tickRotCorr.y + 8) : labelOptions.x) - lineHeightCorrection));
			axis.axisTitleMargin = pick(titleOffsetOption, labelOffsetPadded);

			axisOffset[side] = mathMax(
				axisOffset[side],
				axis.axisTitleMargin + titleOffset + directionFactor * axis.offset,
				labelOffsetPadded // #3027
			);
			clipOffset[invertedSide] = mathMax(clipOffset[invertedSide], mathFloor(options.lineWidth / 2) * 2);
		},

		/**
		 * Get the path for the axis line
		 */
		getLinePath: function (lineWidth) {
			var chart = this.chart,
				opposite = this.opposite,
				offset = this.offset,
				horiz = this.horiz,
				lineLeft = this.left + (opposite ? this.width : 0) + offset,
				lineTop = chart.chartHeight - this.bottom - (opposite ? this.height : 0) + offset;

			if (opposite) {
				lineWidth *= -1; // crispify the other way - #1480, #1687
			}

			return chart.renderer.crispLine([
					M,
					horiz ?
						this.left :
						lineLeft,
					horiz ?
						lineTop :
						this.top,
					L,
					horiz ?
						chart.chartWidth - this.right :
						lineLeft,
					horiz ?
						lineTop :
						chart.chartHeight - this.bottom
				], lineWidth);
		},

		/**
		 * Position the title
		 */
		getTitlePosition: function () {
			// compute anchor points for each of the title align options
			var horiz = this.horiz,
				axisLeft = this.left,
				axisTop = this.top,
				axisLength = this.len,
				axisTitleOptions = this.options.title,
				margin = horiz ? axisLeft : axisTop,
				opposite = this.opposite,
				offset = this.offset,
				xOption = axisTitleOptions.x || 0, // docs
				yOption = axisTitleOptions.y || 0,
				fontSize = pInt(axisTitleOptions.style.fontSize || 12),

				// the position in the length direction of the axis
				alongAxis = {
					low: margin + (horiz ? 0 : axisLength),
					middle: margin + axisLength / 2,
					high: margin + (horiz ? axisLength : 0)
				}[axisTitleOptions.align],

				// the position in the perpendicular direction of the axis
				offAxis = (horiz ? axisTop + this.height : axisLeft) +
					(horiz ? 1 : -1) * // horizontal axis reverses the margin
					(opposite ? -1 : 1) * // so does opposite axes
					this.axisTitleMargin +
					(this.side === 2 ? fontSize : 0);

			return {
				x: horiz ?
					alongAxis + xOption :
					offAxis + (opposite ? this.width : 0) + offset + xOption,
				y: horiz ?
					offAxis + yOption - (opposite ? this.height : 0) + offset :
					alongAxis + yOption
			};
		},

		/**
		 * Render the axis
		 */
		render: function () {
			var axis = this,
				chart = axis.chart,
				renderer = chart.renderer,
				options = axis.options,
				isLog = axis.isLog,
				isLinked = axis.isLinked,
				tickPositions = axis.tickPositions,
				axisTitle = axis.axisTitle,			
				ticks = axis.ticks,
				minorTicks = axis.minorTicks,
				alternateBands = axis.alternateBands,
				stackLabelOptions = options.stackLabels,
				alternateGridColor = options.alternateGridColor,
				tickmarkOffset = axis.tickmarkOffset,
				lineWidth = options.lineWidth,
				linePath,
				hasRendered = chart.hasRendered,
				slideInTicks = hasRendered && defined(axis.oldMin) && !isNaN(axis.oldMin),
				hasData = axis.hasData,
				showAxis = axis.showAxis,
				from,
				to;

			// Reset
			axis.labelEdge.length = 0;
			//axis.justifyToPlot = overflow === 'justify';
			axis.overlap = false;

			// Mark all elements inActive before we go over and mark the active ones
			each([ticks, minorTicks, alternateBands], function (coll) {
				var pos;
				for (pos in coll) {
					coll[pos].isActive = false;
				}
			});

			// If the series has data draw the ticks. Else only the line and title
			if (hasData || isLinked) {

				// minor ticks
				if (axis.minorTickInterval && !axis.categories) {
					each(axis.getMinorTickPositions(), function (pos) {
						if (!minorTicks[pos]) {
							minorTicks[pos] = new Tick(axis, pos, 'minor');
						}

						// render new ticks in old position
						if (slideInTicks && minorTicks[pos].isNew) {
							minorTicks[pos].render(null, true);
						}

						minorTicks[pos].render(null, false, 1);
					});
				}

				// Major ticks. Pull out the first item and render it last so that
				// we can get the position of the neighbour label. #808.
				if (tickPositions.length) { // #1300
					each(tickPositions, function (pos, i) {

						// linked axes need an extra check to find out if
						if (!isLinked || (pos >= axis.min && pos <= axis.max)) {

							if (!ticks[pos]) {
								ticks[pos] = new Tick(axis, pos);
							}

							// render new ticks in old position
							if (slideInTicks && ticks[pos].isNew) {
								ticks[pos].render(i, true, 0.1);
							}

							ticks[pos].render(i);
						}

					});
					// In a categorized axis, the tick marks are displayed between labels. So
					// we need to add a tick mark and grid line at the left edge of the X axis.
					if (tickmarkOffset && (axis.min === 0 || axis.single)) {
						if (!ticks[-1]) {
							ticks[-1] = new Tick(axis, -1, null, true);
						}
						ticks[-1].render(-1);
					}

				}

				// alternate grid color
				if (alternateGridColor) {
					each(tickPositions, function (pos, i) {
						if (i % 2 === 0 && pos < axis.max) {
							if (!alternateBands[pos]) {
								alternateBands[pos] = new Highcharts.PlotLineOrBand(axis);
							}
							from = pos + tickmarkOffset; // #949
							to = tickPositions[i + 1] !== UNDEFINED ? tickPositions[i + 1] + tickmarkOffset : axis.max;
							alternateBands[pos].options = {
								from: isLog ? lin2log(from) : from,
								to: isLog ? lin2log(to) : to,
								color: alternateGridColor
							};
							alternateBands[pos].render();
							alternateBands[pos].isActive = true;
						}
					});
				}

				// custom plot lines and bands
				if (!axis._addedPlotLB) { // only first time
					each((options.plotLines || []).concat(options.plotBands || []), function (plotLineOptions) {
						axis.addPlotBandOrLine(plotLineOptions);
					});
					axis._addedPlotLB = true;
				}

			} // end if hasData

			// Remove inactive ticks
			each([ticks, minorTicks, alternateBands], function (coll) {
				var pos,
					i,
					forDestruction = [],
					delay = globalAnimation ? globalAnimation.duration || 500 : 0,
					destroyInactiveItems = function () {
						i = forDestruction.length;
						while (i--) {
							// When resizing rapidly, the same items may be destroyed in different timeouts,
							// or the may be reactivated
							if (coll[forDestruction[i]] && !coll[forDestruction[i]].isActive) {
								coll[forDestruction[i]].destroy();
								delete coll[forDestruction[i]];
							}
						}

					};

				for (pos in coll) {

					if (!coll[pos].isActive) {
						// Render to zero opacity
						coll[pos].render(pos, false, 0);
						coll[pos].isActive = false;
						forDestruction.push(pos);
					}
				}

				// When the objects are finished fading out, destroy them
				if (coll === alternateBands || !chart.hasRendered || !delay) {
					destroyInactiveItems();
				} else if (delay) {
					setTimeout(destroyInactiveItems, delay);
				}
			});

			// Static items. As the axis group is cleared on subsequent calls
			// to render, these items are added outside the group.
			// axis line
			if (lineWidth) {
				linePath = axis.getLinePath(lineWidth);
				if (!axis.axisLine) {
					axis.axisLine = renderer.path(linePath)
						.attr({
							stroke: options.lineColor,
							'stroke-width': lineWidth,
							zIndex: 7
						})
						.add(axis.axisGroup);
				} else {
					axis.axisLine.animate({ d: linePath });
				}

				// show or hide the line depending on options.showEmpty
				axis.axisLine[showAxis ? 'show' : 'hide']();
			}

			if (axisTitle && showAxis) {

				axisTitle[axisTitle.isNew ? 'attr' : 'animate'](
					axis.getTitlePosition()
				);
				axisTitle.isNew = false;
			}

			// Stacked totals:
			if (stackLabelOptions && stackLabelOptions.enabled) {
				axis.renderStackTotals();
			}
			// End stacked totals

			axis.isDirty = false;
		},

		/**
		 * Redraw the axis to reflect changes in the data or axis extremes
		 */
		redraw: function () {
			
			// render the axis
			this.render();

			// move plot lines and bands
			each(this.plotLinesAndBands, function (plotLine) {
				plotLine.render();
			});

			// mark associated series as dirty and ready for redraw
			each(this.series, function (series) {
				series.isDirty = true;
			});

		},

		/**
		 * Destroys an Axis instance.
		 */
		destroy: function (keepEvents) {
			var axis = this,
				stacks = axis.stacks,
				stackKey,
				plotLinesAndBands = axis.plotLinesAndBands,
				i;

			// Remove the events
			if (!keepEvents) {
				removeEvent(axis);
			}

			// Destroy each stack total
			for (stackKey in stacks) {
				destroyObjectProperties(stacks[stackKey]);

				stacks[stackKey] = null;
			}

			// Destroy collections
			each([axis.ticks, axis.minorTicks, axis.alternateBands], function (coll) {
				destroyObjectProperties(coll);
			});
			i = plotLinesAndBands.length;
			while (i--) { // #1975
				plotLinesAndBands[i].destroy();
			}

			// Destroy local variables
			each(['stackTotalGroup', 'axisLine', 'axisTitle', 'axisGroup', 'cross', 'gridGroup', 'labelGroup'], function (prop) {
				if (axis[prop]) {
					axis[prop] = axis[prop].destroy();
				}
			});

			// Destroy crosshair
			if (this.cross) {
				this.cross.destroy();
			}
		},

		/**
		 * Draw the crosshair
		 */
		drawCrosshair: function (e, point) { // docs: Missing docs for Axis.crosshair. Also for properties.

			var path,
				options = this.crosshair,
				animation = options.animation,
				pos,
				attribs,
				categorized;
			
			if (
				// Disabled in options
				!this.crosshair || 
				// Snap
				((defined(point) || !pick(this.crosshair.snap, true)) === false) || 
				// Not on this axis (#4095, #2888)
				(point && point.series && point.series[this.coll] !== this)
			) {
				this.hideCrosshair();
			
			} else {			

				// Get the path
				if (!pick(options.snap, true)) {
					pos = (this.horiz ? e.chartX - this.pos : this.len - e.chartY + this.pos);
				} else if (defined(point)) {
					/*jslint eqeq: true*/
					pos = this.isXAxis ? point.plotX : this.len - point.plotY; // #3834
					/*jslint eqeq: false*/
				}

				if (this.isRadial) {
					path = this.getPlotLinePath(this.isXAxis ? point.x : pick(point.stackY, point.y)) || null; // #3189
				} else {
					path = this.getPlotLinePath(null, null, null, null, pos) || null; // #3189
				}

				if (path === null) {
					this.hideCrosshair();
					return;
				}

				// Draw the cross
				if (this.cross) {
					this.cross
						.attr({ visibility: VISIBLE })[animation ? 'animate' : 'attr']({ d: path }, animation);
				} else {
					categorized = this.categories && !this.isRadial;
					attribs = {
						'stroke-width': options.width || (categorized ? this.transA : 1),
						stroke: options.color || (categorized ? 'rgba(155,200,255,0.2)' : '#C0C0C0'),
						zIndex: options.zIndex || 2
					};
					if (options.dashStyle) {
						attribs.dashstyle = options.dashStyle;
					}
					this.cross = this.chart.renderer.path(path).attr(attribs).add();
				}

			}

		},

		/**
		 *	Hide the crosshair.
		 */
		hideCrosshair: function () {
			if (this.cross) {
				this.cross.hide();
			}
		}
	}; // end Axis

	extend(Axis.prototype, AxisPlotLineOrBandExtension);

	/**
	 * Set the tick positions to a time unit that makes sense, for example
	 * on the first of each month or on every Monday. Return an array
	 * with the time positions. Used in datetime axes as well as for grouping
	 * data on a datetime axis.
	 *
	 * @param {Object} normalizedInterval The interval in axis values (ms) and the count
	 * @param {Number} min The minimum in axis values
	 * @param {Number} max The maximum in axis values
	 * @param {Number} startOfWeek
	 */
	Axis.prototype.getTimeTicks = function (normalizedInterval, min, max, startOfWeek) {
		var tickPositions = [],
			i,
			higherRanks = {},
			useUTC = defaultOptions.global.useUTC,
			minYear, // used in months and years as a basis for Date.UTC()
			minDate = new Date(min - getTZOffset(min)),
			interval = normalizedInterval.unitRange,
			count = normalizedInterval.count;

		if (defined(min)) { // #1300
			minDate[setMilliseconds](interval >= timeUnits.second ? 0 : // #3935
				count * mathFloor(minDate.getMilliseconds() / count)); // #3652, #3654

			if (interval >= timeUnits.second) { // second
				minDate[setSeconds](interval >= timeUnits.minute ? 0 : // #3935
					count * mathFloor(minDate.getSeconds() / count));
			}
		
			if (interval >= timeUnits.minute) { // minute
				minDate[setMinutes](interval >= timeUnits.hour ? 0 :
					count * mathFloor(minDate[getMinutes]() / count));
			}
		
			if (interval >= timeUnits.hour) { // hour
				minDate[setHours](interval >= timeUnits.day ? 0 :
					count * mathFloor(minDate[getHours]() / count));
			}
		
			if (interval >= timeUnits.day) { // day
				minDate[setDate](interval >= timeUnits.month ? 1 :
					count * mathFloor(minDate[getDate]() / count));
			}
		
			if (interval >= timeUnits.month) { // month
				minDate[setMonth](interval >= timeUnits.year ? 0 :
					count * mathFloor(minDate[getMonth]() / count));
				minYear = minDate[getFullYear]();
			}
		
			if (interval >= timeUnits.year) { // year
				minYear -= minYear % count;
				minDate[setFullYear](minYear);
			}
		
			// week is a special case that runs outside the hierarchy
			if (interval === timeUnits.week) {
				// get start of current week, independent of count
				minDate[setDate](minDate[getDate]() - minDate[getDay]() +
					pick(startOfWeek, 1));
			}
		
		
			// get tick positions
			i = 1;
			if (timezoneOffset || getTimezoneOffset) {
				minDate = minDate.getTime();
				minDate = new Date(minDate + getTZOffset(minDate));
			}
			minYear = minDate[getFullYear]();
			var time = minDate.getTime(),
				minMonth = minDate[getMonth](),
				minDateDate = minDate[getDate](),
				localTimezoneOffset = (timeUnits.day + 
						(useUTC ? getTZOffset(minDate) : minDate.getTimezoneOffset() * 60 * 1000)
					) % timeUnits.day; // #950, #3359
		
			// iterate and add tick positions at appropriate values
			while (time < max) {
				tickPositions.push(time);
		
				// if the interval is years, use Date.UTC to increase years
				if (interval === timeUnits.year) {
					time = makeTime(minYear + i * count, 0);
		
				// if the interval is months, use Date.UTC to increase months
				} else if (interval === timeUnits.month) {
					time = makeTime(minYear, minMonth + i * count);
		
				// if we're using global time, the interval is not fixed as it jumps
				// one hour at the DST crossover
				} else if (!useUTC && (interval === timeUnits.day || interval === timeUnits.week)) {
					time = makeTime(minYear, minMonth, minDateDate +
						i * count * (interval === timeUnits.day ? 1 : 7));
		
				// else, the interval is fixed and we use simple addition
				} else {
					time += interval * count;
				}
		
				i++;
			}
		
			// push the last time
			tickPositions.push(time);


			// mark new days if the time is dividible by day (#1649, #1760)
			each(grep(tickPositions, function (time) {
				return interval <= timeUnits.hour && time % timeUnits.day === localTimezoneOffset;
			}), function (time) {
				higherRanks[time] = 'day';
			});
		}


		// record information on the chosen unit - for dynamic label formatter
		tickPositions.info = extend(normalizedInterval, {
			higherRanks: higherRanks,
			totalRange: interval * count
		});

		return tickPositions;
	};

	/**
	 * Get a normalized tick interval for dates. Returns a configuration object with
	 * unit range (interval), count and name. Used to prepare data for getTimeTicks. 
	 * Previously this logic was part of getTimeTicks, but as getTimeTicks now runs
	 * of segments in stock charts, the normalizing logic was extracted in order to 
	 * prevent it for running over again for each segment having the same interval. 
	 * #662, #697.
	 */
	Axis.prototype.normalizeTimeTickInterval = function (tickInterval, unitsOption) {
		var units = unitsOption || [[
					'millisecond', // unit name
					[1, 2, 5, 10, 20, 25, 50, 100, 200, 500] // allowed multiples
				], [
					'second',
					[1, 2, 5, 10, 15, 30]
				], [
					'minute',
					[1, 2, 5, 10, 15, 30]
				], [
					'hour',
					[1, 2, 3, 4, 6, 8, 12]
				], [
					'day',
					[1, 2]
				], [
					'week',
					[1, 2]
				], [
					'month',
					[1, 2, 3, 4, 6]
				], [
					'year',
					null
				]],
			unit = units[units.length - 1], // default unit is years
			interval = timeUnits[unit[0]],
			multiples = unit[1],
			count,
			i;
			
		// loop through the units to find the one that best fits the tickInterval
		for (i = 0; i < units.length; i++) {
			unit = units[i];
			interval = timeUnits[unit[0]];
			multiples = unit[1];


			if (units[i + 1]) {
				// lessThan is in the middle between the highest multiple and the next unit.
				var lessThan = (interval * multiples[multiples.length - 1] +
							timeUnits[units[i + 1][0]]) / 2;

				// break and keep the current unit
				if (tickInterval <= lessThan) {
					break;
				}
			}
		}

		// prevent 2.5 years intervals, though 25, 250 etc. are allowed
		if (interval === timeUnits.year && tickInterval < 5 * interval) {
			multiples = [1, 2, 5];
		}

		// get the count
		count = normalizeTickInterval(
			tickInterval / interval, 
			multiples,
			unit[0] === 'year' ? mathMax(getMagnitude(tickInterval / interval), 1) : 1 // #1913, #2360
		);
		
		return {
			unitRange: interval,
			count: count,
			unitName: unit[0]
		};
	};/**
	 * Methods defined on the Axis prototype
	 */

	/**
	 * Set the tick positions of a logarithmic axis
	 */
	Axis.prototype.getLogTickPositions = function (interval, min, max, minor) {
		var axis = this,
			options = axis.options,
			axisLength = axis.len,
			// Since we use this method for both major and minor ticks,
			// use a local variable and return the result
			positions = []; 
		
		// Reset
		if (!minor) {
			axis._minorAutoInterval = null;
		}
		
		// First case: All ticks fall on whole logarithms: 1, 10, 100 etc.
		if (interval >= 0.5) {
			interval = mathRound(interval);
			positions = axis.getLinearTickPositions(interval, min, max);
			
		// Second case: We need intermediary ticks. For example 
		// 1, 2, 4, 6, 8, 10, 20, 40 etc. 
		} else if (interval >= 0.08) {
			var roundedMin = mathFloor(min),
				intermediate,
				i,
				j,
				len,
				pos,
				lastPos,
				break2;
				
			if (interval > 0.3) {
				intermediate = [1, 2, 4];
			} else if (interval > 0.15) { // 0.2 equals five minor ticks per 1, 10, 100 etc
				intermediate = [1, 2, 4, 6, 8];
			} else { // 0.1 equals ten minor ticks per 1, 10, 100 etc
				intermediate = [1, 2, 3, 4, 5, 6, 7, 8, 9];
			}
			
			for (i = roundedMin; i < max + 1 && !break2; i++) {
				len = intermediate.length;
				for (j = 0; j < len && !break2; j++) {
					pos = log2lin(lin2log(i) * intermediate[j]);
					if (pos > min && (!minor || lastPos <= max) && lastPos !== UNDEFINED) { // #1670, lastPos is #3113
						positions.push(lastPos);
					}
					
					if (lastPos > max) {
						break2 = true;
					}
					lastPos = pos;
				}
			}
			
		// Third case: We are so deep in between whole logarithmic values that
		// we might as well handle the tick positions like a linear axis. For
		// example 1.01, 1.02, 1.03, 1.04.
		} else {
			var realMin = lin2log(min),
				realMax = lin2log(max),
				tickIntervalOption = options[minor ? 'minorTickInterval' : 'tickInterval'],
				filteredTickIntervalOption = tickIntervalOption === 'auto' ? null : tickIntervalOption,
				tickPixelIntervalOption = options.tickPixelInterval / (minor ? 5 : 1),
				totalPixelLength = minor ? axisLength / axis.tickPositions.length : axisLength;
			
			interval = pick(
				filteredTickIntervalOption,
				axis._minorAutoInterval,
				(realMax - realMin) * tickPixelIntervalOption / (totalPixelLength || 1)
			);
			
			interval = normalizeTickInterval(
				interval, 
				null, 
				getMagnitude(interval)
			);
			
			positions = map(axis.getLinearTickPositions(
				interval, 
				realMin,
				realMax	
			), log2lin);
			
			if (!minor) {
				axis._minorAutoInterval = interval / 5;
			}
		}
		
		// Set the axis-level tickInterval variable 
		if (!minor) {
			axis.tickInterval = interval;
		}
		return positions;
	};/**
	 * The tooltip object
	 * @param {Object} chart The chart instance
	 * @param {Object} options Tooltip options
	 */
	var Tooltip = Highcharts.Tooltip = function () {
		this.init.apply(this, arguments);
	};

	Tooltip.prototype = {

		init: function (chart, options) {

			var borderWidth = options.borderWidth,
				style = options.style,
				padding = pInt(style.padding);

			// Save the chart and options
			this.chart = chart;
			this.options = options;

			// Keep track of the current series
			//this.currentSeries = UNDEFINED;

			// List of crosshairs
			this.crosshairs = [];

			// Current values of x and y when animating
			this.now = { x: 0, y: 0 };

			// The tooltip is initially hidden
			this.isHidden = true;


			// create the label		
			this.label = chart.renderer.label('', 0, 0, options.shape || 'callout', null, null, options.useHTML, null, 'tooltip')
				.attr({
					padding: padding,
					fill: options.backgroundColor,
					'stroke-width': borderWidth,
					r: options.borderRadius,
					zIndex: 8
				})
				.css(style)
				.css({ padding: 0 }) // Remove it from VML, the padding is applied as an attribute instead (#1117)
				.add()
				.attr({ y: -9999 }); // #2301, #2657

			// When using canVG the shadow shows up as a gray circle
			// even if the tooltip is hidden.
			if (!useCanVG) {
				this.label.shadow(options.shadow);
			}

			// Public property for getting the shared state.
			this.shared = options.shared;
		},

		/**
		 * Destroy the tooltip and its elements.
		 */
		destroy: function () {
			// Destroy and clear local variables
			if (this.label) {
				this.label = this.label.destroy();
			}
			clearTimeout(this.hideTimer);
			clearTimeout(this.tooltipTimeout);
		},

		/**
		 * Provide a soft movement for the tooltip
		 *
		 * @param {Number} x
		 * @param {Number} y
		 * @private
		 */
		move: function (x, y, anchorX, anchorY) {
			var tooltip = this,
				now = tooltip.now,
				animate = tooltip.options.animation !== false && !tooltip.isHidden && 
					// When we get close to the target position, abort animation and land on the right place (#3056)
					(mathAbs(x - now.x) > 1 || mathAbs(y - now.y) > 1),
				skipAnchor = tooltip.followPointer || tooltip.len > 1;

			// Get intermediate values for animation
			extend(now, {
				x: animate ? (2 * now.x + x) / 3 : x,
				y: animate ? (now.y + y) / 2 : y,
				anchorX: skipAnchor ? UNDEFINED : animate ? (2 * now.anchorX + anchorX) / 3 : anchorX,
				anchorY: skipAnchor ? UNDEFINED : animate ? (now.anchorY + anchorY) / 2 : anchorY
			});

			// Move to the intermediate value
			tooltip.label.attr(now);

			
			// Run on next tick of the mouse tracker
			if (animate) {
			
				// Never allow two timeouts
				clearTimeout(this.tooltipTimeout);
				
				// Set the fixed interval ticking for the smooth tooltip
				this.tooltipTimeout = setTimeout(function () {
					// The interval function may still be running during destroy, so check that the chart is really there before calling.
					if (tooltip) {
						tooltip.move(x, y, anchorX, anchorY);
					}
				}, 32);
				
			}
		},

		/**
		 * Hide the tooltip
		 */
		hide: function (delay) {
			var tooltip = this,
				hoverPoints;
			
			clearTimeout(this.hideTimer); // disallow duplicate timers (#1728, #1766)
			if (!this.isHidden) {
				hoverPoints = this.chart.hoverPoints;

				this.hideTimer = setTimeout(function () {
					tooltip.label.fadeOut();
					tooltip.isHidden = true;
				}, pick(delay, this.options.hideDelay, 500));
			}
		},
		
		/** 
		 * Extendable method to get the anchor position of the tooltip
		 * from a point or set of points
		 */
		getAnchor: function (points, mouseEvent) {
			var ret,
				chart = this.chart,
				inverted = chart.inverted,
				plotTop = chart.plotTop,
				plotLeft = chart.plotLeft,
				plotX = 0,
				plotY = 0,
				yAxis,
				xAxis;
			
			points = splat(points);
			
			// Pie uses a special tooltipPos
			ret = points[0].tooltipPos;
			
			// When tooltip follows mouse, relate the position to the mouse
			if (this.followPointer && mouseEvent) {
				if (mouseEvent.chartX === UNDEFINED) {
					mouseEvent = chart.pointer.normalize(mouseEvent);
				}
				ret = [
					mouseEvent.chartX - chart.plotLeft,
					mouseEvent.chartY - plotTop
				];
			}
			// When shared, use the average position
			if (!ret) {
				each(points, function (point) {
					yAxis = point.series.yAxis;
					xAxis = point.series.xAxis;
					plotX += point.plotX  + (!inverted && xAxis ? xAxis.left - plotLeft : 0); 
					plotY += (point.plotLow ? (point.plotLow + point.plotHigh) / 2 : point.plotY) +
						(!inverted && yAxis ? yAxis.top - plotTop : 0); // #1151
				});
				
				plotX /= points.length;
				plotY /= points.length;
				
				ret = [
					inverted ? chart.plotWidth - plotY : plotX,
					this.shared && !inverted && points.length > 1 && mouseEvent ? 
						mouseEvent.chartY - plotTop : // place shared tooltip next to the mouse (#424)
						inverted ? chart.plotHeight - plotX : plotY
				];
			}

			return map(ret, mathRound);
		},
		
		/**
		 * Place the tooltip in a chart without spilling over
		 * and not covering the point it self.
		 */
		getPosition: function (boxWidth, boxHeight, point) {
			
			var chart = this.chart,
				distance = this.distance,
				ret = {},
				h = point.h || 0, // #4117
				swapped,
				first = ['y', chart.chartHeight, boxHeight, point.plotY + chart.plotTop],
				second = ['x', chart.chartWidth, boxWidth, point.plotX + chart.plotLeft],
				// The far side is right or bottom
				preferFarSide = pick(point.ttBelow, (chart.inverted && !point.negative) || (!chart.inverted && point.negative)),
				/**
				 * Handle the preferred dimension. When the preferred dimension is tooltip
				 * on top or bottom of the point, it will look for space there.
				 */
				firstDimension = function (dim, outerSize, innerSize, point) {
					var roomLeft = innerSize < point - distance,
						roomRight = point + distance + innerSize < outerSize,
						alignedLeft = point - distance - innerSize,
						alignedRight = point + distance;

					if (preferFarSide && roomRight) {
						ret[dim] = alignedRight;
					} else if (!preferFarSide && roomLeft) {
						ret[dim] = alignedLeft;
					} else if (roomLeft) {
						ret[dim] = alignedLeft - h < 0 ? alignedLeft : alignedLeft - h;
					} else if (roomRight) {
						ret[dim] = alignedRight + h + innerSize > outerSize ? alignedRight : alignedRight + h;
					} else {
						return false;
					}
				},
				/**
				 * Handle the secondary dimension. If the preferred dimension is tooltip
				 * on top or bottom of the point, the second dimension is to align the tooltip
				 * above the point, trying to align center but allowing left or right
				 * align within the chart box.
				 */
				secondDimension = function (dim, outerSize, innerSize, point) {
					// Too close to the edge, return false and swap dimensions
					if (point < distance || point > outerSize - distance) {
						return false;
					
					// Align left/top
					} else if (point < innerSize / 2) {
						ret[dim] = 1;
					// Align right/bottom
					} else if (point > outerSize - innerSize / 2) {
						ret[dim] = outerSize - innerSize - 2;
					// Align center
					} else {
						ret[dim] = point - innerSize / 2;
					}
				},
				/**
				 * Swap the dimensions 
				 */
				swap = function (count) {
					var temp = first;
					first = second;
					second = temp;
					swapped = count;
				},
				run = function () {
					if (firstDimension.apply(0, first) !== false) {
						if (secondDimension.apply(0, second) === false && !swapped) {
							swap(true);
							run();
						}
					} else if (!swapped) {
						swap(true);
						run();
					} else {
						ret.x = ret.y = 0;
					}
				};

			// Under these conditions, prefer the tooltip on the side of the point
			if (chart.inverted || this.len > 1) {
				swap();
			}
			run();

			return ret;
		
		},

		/**
		 * In case no user defined formatter is given, this will be used. Note that the context
		 * here is an object holding point, series, x, y etc.
		 */
		defaultFormatter: function (tooltip) {
			var items = this.points || splat(this),
				s;

			// build the header
			s = [tooltip.tooltipFooterHeaderFormatter(items[0])]; //#3397: abstraction to enable formatting of footer and header

			// build the values
			s = s.concat(tooltip.bodyFormatter(items));

			// footer
			s.push(tooltip.tooltipFooterHeaderFormatter(items[0], true)); //#3397: abstraction to enable formatting of footer and header

			return s.join('');
		},

		/**
		 * Refresh the tooltip's text and position.
		 * @param {Object} point
		 */
		refresh: function (point, mouseEvent) {
			var tooltip = this,
				chart = tooltip.chart,
				label = tooltip.label,
				options = tooltip.options,
				x,
				y,
				anchor,
				textConfig = {},
				text,
				pointConfig = [],
				formatter = options.formatter || tooltip.defaultFormatter,
				hoverPoints = chart.hoverPoints,
				borderColor,
				shared = tooltip.shared,
				currentSeries;
				
			clearTimeout(this.hideTimer);
			
			// get the reference point coordinates (pie charts use tooltipPos)
			tooltip.followPointer = splat(point)[0].series.tooltipOptions.followPointer;
			anchor = tooltip.getAnchor(point, mouseEvent);
			x = anchor[0];
			y = anchor[1];

			// shared tooltip, array is sent over
			if (shared && !(point.series && point.series.noSharedTooltip)) {
				
				// hide previous hoverPoints and set new
				
				chart.hoverPoints = point;
				if (hoverPoints) {
					each(hoverPoints, function (point) {
						point.setState();
					});
				}

				each(point, function (item) {
					item.setState(HOVER_STATE);

					pointConfig.push(item.getLabelConfig());
				});

				textConfig = {
					x: point[0].category,
					y: point[0].y
				};
				textConfig.points = pointConfig;
				this.len = pointConfig.length;
				point = point[0];

			// single point tooltip
			} else {
				textConfig = point.getLabelConfig();
			}
			text = formatter.call(textConfig, tooltip);

			// register the current series
			currentSeries = point.series;
			this.distance = pick(currentSeries.tooltipOptions.distance, 16);

			// update the inner HTML
			if (text === false) {
				this.hide();
			} else {

				// show it
				if (tooltip.isHidden) {
					stop(label);
					label.attr('opacity', 1).show();
				}

				// update text
				label.attr({
					text: text
				});

				// set the stroke color of the box
				borderColor = options.borderColor || point.color || currentSeries.color || '#606060';
				label.attr({
					stroke: borderColor
				});
				tooltip.updatePosition({ 
					plotX: x, 
					plotY: y, 
					negative: point.negative, 
					ttBelow: point.ttBelow, 
					h: anchor[2] || 0
				});
			
				this.isHidden = false;
			}
			fireEvent(chart, 'tooltipRefresh', {
					text: text,
					x: x + chart.plotLeft,
					y: y + chart.plotTop,
					borderColor: borderColor
				});
		},
		
		/**
		 * Find the new position and perform the move
		 */
		updatePosition: function (point) {
			var chart = this.chart,
				label = this.label, 
				pos = (this.options.positioner || this.getPosition).call(
					this,
					label.width,
					label.height,
					point
				);

			// do the move
			this.move(
				mathRound(pos.x), 
				mathRound(pos.y || 0), // can be undefined (#3977) 
				point.plotX + chart.plotLeft, 
				point.plotY + chart.plotTop
			);
		},

		/** 
		 * Get the best X date format based on the closest point range on the axis.
		 */
		getXDateFormat: function (point, options, xAxis) {
			var xDateFormat,
				dateTimeLabelFormats = options.dateTimeLabelFormats,
				closestPointRange = xAxis && xAxis.closestPointRange,
				n,
				blank = '01-01 00:00:00.000',
				strpos = {
					millisecond: 15,
					second: 12,
					minute: 9,
					hour: 6,
					day: 3
				},
				date,
				lastN = 'millisecond'; // for sub-millisecond data, #4223

			if (closestPointRange) {
				date = dateFormat('%m-%d %H:%M:%S.%L', point.x);
				for (n in timeUnits) {

					// If the range is exactly one week and we're looking at a Sunday/Monday, go for the week format
					if (closestPointRange === timeUnits.week && +dateFormat('%w', point.x) === xAxis.options.startOfWeek && 
							date.substr(6) === blank.substr(6)) {
						n = 'week';
						break;

					// The first format that is too great for the range
					} else if (timeUnits[n] > closestPointRange) {
						n = lastN;
						break;
					
					// If the point is placed every day at 23:59, we need to show
					// the minutes as well. #2637.
					} else if (strpos[n] && date.substr(strpos[n]) !== blank.substr(strpos[n])) {
						break;
					}

					// Weeks are outside the hierarchy, only apply them on Mondays/Sundays like in the first condition
					if (n !== 'week') {
						lastN = n;
					}
				}
				
				if (n) {
					xDateFormat = dateTimeLabelFormats[n];
				}
			} else {
				xDateFormat = dateTimeLabelFormats.day;
			}

			return xDateFormat || dateTimeLabelFormats.year; // #2546, 2581
		},

		/**
		 * Format the footer/header of the tooltip
		 * #3397: abstraction to enable formatting of footer and header
		 */
		tooltipFooterHeaderFormatter: function (point, isFooter) {
			var footOrHead = isFooter ? 'footer' : 'header',
				series = point.series,
				tooltipOptions = series.tooltipOptions,
				xDateFormat = tooltipOptions.xDateFormat,
				xAxis = series.xAxis,
				isDateTime = xAxis && xAxis.options.type === 'datetime' && isNumber(point.key),
				formatString = tooltipOptions[footOrHead+'Format'];

			// Guess the best date format based on the closest point distance (#568, #3418)
			if (isDateTime && !xDateFormat) {
				xDateFormat = this.getXDateFormat(point, tooltipOptions, xAxis);
			}

			// Insert the footer date format if any
			if (isDateTime && xDateFormat) {
				formatString = formatString.replace('{point.key}', '{point.key:' + xDateFormat + '}');
			}

			return format(formatString, {
				point: point,
				series: series
			});
		},

		/**
	     * Build the body (lines) of the tooltip by iterating over the items and returning one entry for each item,
	     * abstracting this functionality allows to easily overwrite and extend it. 
		 */
		bodyFormatter: function (items) {
	        return map(items, function (item) {
	            var tooltipOptions = item.series.tooltipOptions;
	            return (tooltipOptions.pointFormatter || item.point.tooltipFormatter).call(item.point, tooltipOptions.pointFormat);
	        });
	    }
	    
	};

	var hoverChartIndex;

	// Global flag for touch support
	hasTouch = doc.documentElement.ontouchstart !== UNDEFINED;

	/**
	 * The mouse tracker object. All methods starting with "on" are primary DOM event handlers. 
	 * Subsequent methods should be named differently from what they are doing.
	 * @param {Object} chart The Chart instance
	 * @param {Object} options The root options object
	 */
	var Pointer = Highcharts.Pointer = function (chart, options) {
		this.init(chart, options);
	};

	Pointer.prototype = {
		/**
		 * Initialize Pointer
		 */
		init: function (chart, options) {
			
			var chartOptions = options.chart,
				chartEvents = chartOptions.events,
				zoomType = useCanVG ? '' : chartOptions.zoomType,
				inverted = chart.inverted,
				zoomX,
				zoomY;

			// Store references
			this.options = options;
			this.chart = chart;
			
			// Zoom status
			this.zoomX = zoomX = /x/.test(zoomType);
			this.zoomY = zoomY = /y/.test(zoomType);
			this.zoomHor = (zoomX && !inverted) || (zoomY && inverted);
			this.zoomVert = (zoomY && !inverted) || (zoomX && inverted);
			this.hasZoom = zoomX || zoomY;

			// Do we need to handle click on a touch device?
			this.runChartClick = chartEvents && !!chartEvents.click;

			this.pinchDown = [];
			this.lastValidTouch = {};

			if (Highcharts.Tooltip && options.tooltip.enabled) {
				chart.tooltip = new Tooltip(chart, options.tooltip);
				this.followTouchMove = pick(options.tooltip.followTouchMove, true);
			}

			this.setDOMEvents();
		}, 

		/**
		 * Add crossbrowser support for chartX and chartY
		 * @param {Object} e The event object in standard browsers
		 */
		normalize: function (e, chartPosition) {
			var chartX,
				chartY,
				ePos;

			// common IE normalizing
			e = e || window.event;

			// Framework specific normalizing (#1165)
			e = washMouseEvent(e);

			// More IE normalizing, needs to go after washMouseEvent
			if (!e.target) {
				e.target = e.srcElement;
			}
			
			// iOS (#2757)
			ePos = e.touches ?  (e.touches.length ? e.touches.item(0) : e.changedTouches[0]) : e;

			// Get mouse position
			if (!chartPosition) {
				this.chartPosition = chartPosition = offset(this.chart.container);
			}

			// chartX and chartY
			if (ePos.pageX === UNDEFINED) { // IE < 9. #886.
				chartX = mathMax(e.x, e.clientX - chartPosition.left); // #2005, #2129: the second case is 
					// for IE10 quirks mode within framesets
				chartY = e.y;
			} else {
				chartX = ePos.pageX - chartPosition.left;
				chartY = ePos.pageY - chartPosition.top;
			}

			return extend(e, {
				chartX: mathRound(chartX),
				chartY: mathRound(chartY)
			});
		},

		/**
		 * Get the click position in terms of axis values.
		 *
		 * @param {Object} e A pointer event
		 */
		getCoordinates: function (e) {
			var coordinates = {
					xAxis: [],
					yAxis: []
				};

			each(this.chart.axes, function (axis) {
				coordinates[axis.isXAxis ? 'xAxis' : 'yAxis'].push({
					axis: axis,
					value: axis.toValue(e[axis.horiz ? 'chartX' : 'chartY'])
				});
			});
			return coordinates;
		},
		
		/**
		 * With line type charts with a single tracker, get the point closest to the mouse.
		 * Run Point.onMouseOver and display tooltip for the point or points.
		 */
		runPointActions: function (e) {

			var pointer = this,
				chart = pointer.chart,
				series = chart.series,
				tooltip = chart.tooltip,
				shared = tooltip ? tooltip.shared : false,
				followPointer,
				hoverPoint = chart.hoverPoint,
				hoverSeries = chart.hoverSeries,
				i,
				distance = chart.chartWidth,
				anchor,
				noSharedTooltip,
				directTouch,
				kdpoints = [],
				kdpoint,
				kdpointT;

			// For hovering over the empty parts of the plot area (hoverSeries is undefined). 
			// If there is one series with point tracking (combo chart), don't go to nearest neighbour.
			if (!shared && !hoverSeries) {
				for (i = 0; i < series.length; i++) {
					if (series[i].directTouch || !series[i].options.stickyTracking) {
						series = [];
					}
				}
			}

			// If it has a hoverPoint and that series requires direct touch (like columns), 
			// use the hoverPoint (#3899). Otherwise, search the k-d tree.	
			if (hoverSeries && ((!shared && hoverSeries.directTouch) || hoverSeries.noSharedTooltip) && hoverPoint) {
				kdpoint = hoverPoint;

			// Handle shared tooltip or cases where a series is not yet hovered
			} else {
				// Find nearest points on all series
				each(series, function (s) {
					// Skip hidden series
					noSharedTooltip = s.noSharedTooltip && shared;
					directTouch = !shared && s.directTouch;
					if (s.visible && !noSharedTooltip && !directTouch && pick(s.options.enableMouseTracking, true)) { // #3821
						kdpointT = s.searchPoint(e, !noSharedTooltip); // #3828
						if (kdpointT) {
							kdpoints.push(kdpointT);
						}
					}
				});
				// Find absolute nearest point
				each(kdpoints, function (p) {
					if (p && typeof p.dist === 'number' && p.dist < distance) {
						distance = p.dist;
						kdpoint = p;
					}
				});
			}

			// Refresh tooltip for kdpoint if new hover point or tooltip was hidden // #3926, #4200
			if (kdpoint && (kdpoint !== this.prevKDPoint || (tooltip && tooltip.isHidden))) {
				// Draw tooltip if necessary
				if (shared && !kdpoint.series.noSharedTooltip) {
					i = kdpoints.length;
					while (i--) {
						if (kdpoints[i].clientX !== kdpoint.clientX || kdpoints[i].series.noSharedTooltip) {
							kdpoints.splice(i, 1);
						}
					}
					if (kdpoints.length && tooltip) {
						tooltip.refresh(kdpoints, e);
					}

					// do mouseover on all points except the closest
					each(kdpoints, function (point) {
						if (point !== kdpoint) { 
							point.onMouseOver(e);
						}
					});	
					// #3919, #3985 do mouseover on the closest point last to ensure it is the hoverpoint
					((hoverSeries && hoverSeries.directTouch && hoverPoint) || kdpoint).onMouseOver(e); 
				} else {
					if (tooltip) { 
						tooltip.refresh(kdpoint, e);
					}
					kdpoint.onMouseOver(e); 
				}
				this.prevKDPoint = kdpoint;
			
			// Update positions (regardless of kdpoint or hoverPoint)
			} else {
				followPointer = hoverSeries && hoverSeries.tooltipOptions.followPointer;
				if (tooltip && followPointer && !tooltip.isHidden) {
					anchor = tooltip.getAnchor([{}], e);
					tooltip.updatePosition({ plotX: anchor[0], plotY: anchor[1] });			
				}
			}

			// Start the event listener to pick up the tooltip 
			if (tooltip && !pointer._onDocumentMouseMove) {
				pointer._onDocumentMouseMove = function (e) {
					if (charts[hoverChartIndex]) {
						charts[hoverChartIndex].pointer.onDocumentMouseMove(e);
					}
				};
				addEvent(doc, 'mousemove', pointer._onDocumentMouseMove);
			}
			
			// Crosshair
			each(chart.axes, function (axis) {
				axis.drawCrosshair(e, pick(kdpoint, hoverPoint));
			});	
			

		},



		/**
		 * Reset the tracking by hiding the tooltip, the hover series state and the hover point
		 * 
		 * @param allowMove {Boolean} Instead of destroying the tooltip altogether, allow moving it if possible
		 */
		reset: function (allowMove, delay) {
			var pointer = this,
				chart = pointer.chart,
				hoverSeries = chart.hoverSeries,
				hoverPoint = chart.hoverPoint,
				hoverPoints = chart.hoverPoints,
				tooltip = chart.tooltip,
				tooltipPoints = tooltip && tooltip.shared ? hoverPoints : hoverPoint;
				
			// Narrow in allowMove
			allowMove = allowMove && tooltip && tooltipPoints;
				
			// Check if the points have moved outside the plot area, #1003		
			if (allowMove  && splat(tooltipPoints)[0].plotX === UNDEFINED) {
				allowMove = false;
			}	
			// Just move the tooltip, #349
			if (allowMove) {
				tooltip.refresh(tooltipPoints);
				if (hoverPoint) { // #2500
					hoverPoint.setState(hoverPoint.state, true);
					each(chart.axes, function (axis) {
						if (pick(axis.options.crosshair && axis.options.crosshair.snap, true)) {
							axis.drawCrosshair(null, hoverPoint);
						}  else {
							axis.hideCrosshair();
						}
					});
					
				}

			// Full reset
			} else {

				if (hoverPoint) {
					hoverPoint.onMouseOut();
				}

				if (hoverPoints) {
					each(hoverPoints, function (point) {
						point.setState();
					});
				}

				if (hoverSeries) {
					hoverSeries.onMouseOut();
				}

				if (tooltip) {
					tooltip.hide(delay);
				}

				if (pointer._onDocumentMouseMove) {
					removeEvent(doc, 'mousemove', pointer._onDocumentMouseMove);
					pointer._onDocumentMouseMove = null;
				}

				// Remove crosshairs
				each(chart.axes, function (axis) {
					axis.hideCrosshair();
				});
				
				pointer.hoverX = chart.hoverPoints = chart.hoverPoint = null;

			}
		},

		/**
		 * Scale series groups to a certain scale and translation
		 */
		scaleGroups: function (attribs, clip) {

			var chart = this.chart,
				seriesAttribs;

			// Scale each series
			each(chart.series, function (series) {
				seriesAttribs = attribs || series.getPlotBox(); // #1701
				if (series.xAxis && series.xAxis.zoomEnabled) {
					series.group.attr(seriesAttribs);
					if (series.markerGroup) {
						series.markerGroup.attr(seriesAttribs);
						series.markerGroup.clip(clip ? chart.clipRect : null);
					}
					if (series.dataLabelsGroup) {
						series.dataLabelsGroup.attr(seriesAttribs);
					}
				}
			});
			
			// Clip
			chart.clipRect.attr(clip || chart.clipBox);
		},

		/**
		 * Start a drag operation
		 */
		dragStart: function (e) {
			var chart = this.chart;

			// Record the start position
			chart.mouseIsDown = e.type;
			chart.cancelClick = false;
			chart.mouseDownX = this.mouseDownX = e.chartX;
			chart.mouseDownY = this.mouseDownY = e.chartY;
		},

		/**
		 * Perform a drag operation in response to a mousemove event while the mouse is down
		 */
		drag: function (e) {

			var chart = this.chart,
				chartOptions = chart.options.chart,
				chartX = e.chartX,
				chartY = e.chartY,
				zoomHor = this.zoomHor,
				zoomVert = this.zoomVert,
				plotLeft = chart.plotLeft,
				plotTop = chart.plotTop,
				plotWidth = chart.plotWidth,
				plotHeight = chart.plotHeight,
				clickedInside,
				size,
				mouseDownX = this.mouseDownX,
				mouseDownY = this.mouseDownY,
				panKey = chartOptions.panKey && e[chartOptions.panKey + 'Key'];

			// If the mouse is outside the plot area, adjust to cooordinates
			// inside to prevent the selection marker from going outside
			if (chartX < plotLeft) {
				chartX = plotLeft;
			} else if (chartX > plotLeft + plotWidth) {
				chartX = plotLeft + plotWidth;
			}

			if (chartY < plotTop) {
				chartY = plotTop;
			} else if (chartY > plotTop + plotHeight) {
				chartY = plotTop + plotHeight;
			}
			
			// determine if the mouse has moved more than 10px
			this.hasDragged = Math.sqrt(
				Math.pow(mouseDownX - chartX, 2) +
				Math.pow(mouseDownY - chartY, 2)
			);
			
			if (this.hasDragged > 10) {
				clickedInside = chart.isInsidePlot(mouseDownX - plotLeft, mouseDownY - plotTop);

				// make a selection
				if (chart.hasCartesianSeries && (this.zoomX || this.zoomY) && clickedInside && !panKey) {
					if (!this.selectionMarker) {
						this.selectionMarker = chart.renderer.rect(
							plotLeft,
							plotTop,
							zoomHor ? 1 : plotWidth,
							zoomVert ? 1 : plotHeight,
							0
						)
						.attr({
							fill: chartOptions.selectionMarkerFill || 'rgba(69,114,167,0.25)',
							zIndex: 7
						})
						.add();
					}
				}

				// adjust the width of the selection marker
				if (this.selectionMarker && zoomHor) {
					size = chartX - mouseDownX;
					this.selectionMarker.attr({
						width: mathAbs(size),
						x: (size > 0 ? 0 : size) + mouseDownX
					});
				}
				// adjust the height of the selection marker
				if (this.selectionMarker && zoomVert) {
					size = chartY - mouseDownY;
					this.selectionMarker.attr({
						height: mathAbs(size),
						y: (size > 0 ? 0 : size) + mouseDownY
					});
				}

				// panning
				if (clickedInside && !this.selectionMarker && chartOptions.panning) {
					chart.pan(e, chartOptions.panning);
				}
			}
		},

		/**
		 * On mouse up or touch end across the entire document, drop the selection.
		 */
		drop: function (e) {
			var pointer = this,
				chart = this.chart,
				hasPinched = this.hasPinched;

			if (this.selectionMarker) {
				var selectionData = {
						xAxis: [],
						yAxis: [],
						originalEvent: e.originalEvent || e
					},
					selectionBox = this.selectionMarker,
					selectionLeft = selectionBox.attr ? selectionBox.attr('x') : selectionBox.x,
					selectionTop = selectionBox.attr ? selectionBox.attr('y') : selectionBox.y,
					selectionWidth = selectionBox.attr ? selectionBox.attr('width') : selectionBox.width,
					selectionHeight = selectionBox.attr ? selectionBox.attr('height') : selectionBox.height,
					runZoom;

				// a selection has been made
				if (this.hasDragged || hasPinched) {

					// record each axis' min and max
					each(chart.axes, function (axis) {
						if (axis.zoomEnabled && defined(axis.min) && (hasPinched || pointer[{ xAxis: 'zoomX', yAxis: 'zoomY' }[axis.coll]])) { // #859, #3569
							var horiz = axis.horiz,
								minPixelPadding = e.type === 'touchend' ? axis.minPixelPadding: 0, // #1207, #3075
								selectionMin = axis.toValue((horiz ? selectionLeft : selectionTop) + minPixelPadding),
								selectionMax = axis.toValue((horiz ? selectionLeft + selectionWidth : selectionTop + selectionHeight) - minPixelPadding);

							selectionData[axis.coll].push({
								axis: axis,
								min: mathMin(selectionMin, selectionMax), // for reversed axes
								max: mathMax(selectionMin, selectionMax)
							});
							runZoom = true;
						}
					});
					if (runZoom) {
						fireEvent(chart, 'selection', selectionData, function (args) { 
							chart.zoom(extend(args, hasPinched ? { animation: false } : null)); 
						});
					}

				}
				this.selectionMarker = this.selectionMarker.destroy();

				// Reset scaling preview
				if (hasPinched) {
					this.scaleGroups();
				}
			}

			// Reset all
			if (chart) { // it may be destroyed on mouse up - #877
				css(chart.container, { cursor: chart._cursor });
				chart.cancelClick = this.hasDragged > 10; // #370
				chart.mouseIsDown = this.hasDragged = this.hasPinched = false;
				this.pinchDown = [];
			}
		},

		onContainerMouseDown: function (e) {

			e = this.normalize(e);

			// issue #295, dragging not always working in Firefox
			if (e.preventDefault) {
				e.preventDefault();
			}
			
			this.dragStart(e);
		},

		

		onDocumentMouseUp: function (e) {
			if (charts[hoverChartIndex]) {
				charts[hoverChartIndex].pointer.drop(e);
			}
		},

		/**
		 * Special handler for mouse move that will hide the tooltip when the mouse leaves the plotarea.
		 * Issue #149 workaround. The mouseleave event does not always fire. 
		 */
		onDocumentMouseMove: function (e) {
			var chart = this.chart,
				chartPosition = this.chartPosition;

			e = this.normalize(e, chartPosition);

			// If we're outside, hide the tooltip
			if (chartPosition && !this.inClass(e.target, 'highcharts-tracker') &&
					!chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) {
				this.reset();
			}
		},

		/**
		 * When mouse leaves the container, hide the tooltip.
		 */
		onContainerMouseLeave: function () {
			var chart = charts[hoverChartIndex];
			if (chart) {
				chart.pointer.reset();
				chart.pointer.chartPosition = null; // also reset the chart position, used in #149 fix
			}
		},

		// The mousemove, touchmove and touchstart event handler
		onContainerMouseMove: function (e) {

			var chart = this.chart;

			hoverChartIndex = chart.index;

			e = this.normalize(e);		
			e.returnValue = false; // #2251, #3224
			
			if (chart.mouseIsDown === 'mousedown') {
				this.drag(e);
			} 
			
			// Show the tooltip and run mouse over events (#977)
			if ((this.inClass(e.target, 'highcharts-tracker') || 
					chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) && !chart.openMenu) {
				this.runPointActions(e);
			}
		},

		/**
		 * Utility to detect whether an element has, or has a parent with, a specific
		 * class name. Used on detection of tracker objects and on deciding whether
		 * hovering the tooltip should cause the active series to mouse out.
		 */
		inClass: function (element, className) {
			var elemClassName;
			while (element) {
				elemClassName = attr(element, 'class');
				if (elemClassName) {
					if (elemClassName.indexOf(className) !== -1) {
						return true;
					} else if (elemClassName.indexOf(PREFIX + 'container') !== -1) {
						return false;
					}
				}
				element = element.parentNode;
			}		
		},

		onTrackerMouseOut: function (e) {
			var series = this.chart.hoverSeries,
				relatedTarget = e.relatedTarget || e.toElement,
				relatedSeries = relatedTarget && relatedTarget.point && relatedTarget.point.series; // #2499
			
			if (series && !series.options.stickyTracking && !this.inClass(relatedTarget, PREFIX + 'tooltip') &&
					relatedSeries !== series) {
				series.onMouseOut();
			}
		},

		onContainerClick: function (e) {
			var chart = this.chart,
				hoverPoint = chart.hoverPoint, 
				plotLeft = chart.plotLeft,
				plotTop = chart.plotTop;
			
			e = this.normalize(e);
			e.originalEvent = e; // #3913

			if (!chart.cancelClick) {
				
				// On tracker click, fire the series and point events. #783, #1583
				if (hoverPoint && this.inClass(e.target, PREFIX + 'tracker')) {

					// the series click event
					fireEvent(hoverPoint.series, 'click', extend(e, {
						point: hoverPoint
					}));

					// the point click event
					if (chart.hoverPoint) { // it may be destroyed (#1844)
						hoverPoint.firePointEvent('click', e);
					}

				// When clicking outside a tracker, fire a chart event
				} else {
					extend(e, this.getCoordinates(e));

					// fire a click event in the chart
					if (chart.isInsidePlot(e.chartX - plotLeft, e.chartY - plotTop)) {
						fireEvent(chart, 'click', e);
					}
				}


			}
		},

		/**
		 * Set the JS DOM events on the container and document. This method should contain
		 * a one-to-one assignment between methods and their handlers. Any advanced logic should
		 * be moved to the handler reflecting the event's name.
		 */
		setDOMEvents: function () {

			var pointer = this,
				container = pointer.chart.container;

			container.onmousedown = function (e) {
				pointer.onContainerMouseDown(e);
			};
			container.onmousemove = function (e) {
				pointer.onContainerMouseMove(e);
			};
			container.onclick = function (e) {
				pointer.onContainerClick(e);
			};
			addEvent(container, 'mouseleave', pointer.onContainerMouseLeave);
			if (chartCount === 1) {
				addEvent(doc, 'mouseup', pointer.onDocumentMouseUp);
			}
			if (hasTouch) {
				container.ontouchstart = function (e) {
					pointer.onContainerTouchStart(e);
				};
				container.ontouchmove = function (e) {
					pointer.onContainerTouchMove(e);
				};
				if (chartCount === 1) {
					addEvent(doc, 'touchend', pointer.onDocumentTouchEnd);
				}
			}
			
		},

		/**
		 * Destroys the Pointer object and disconnects DOM events.
		 */
		destroy: function () {
			var prop;

			removeEvent(this.chart.container, 'mouseleave', this.onContainerMouseLeave);
			if (!chartCount) {
				removeEvent(doc, 'mouseup', this.onDocumentMouseUp);
				removeEvent(doc, 'touchend', this.onDocumentTouchEnd);
			}

			// memory and CPU leak
			clearInterval(this.tooltipTimeout);

			for (prop in this) {
				this[prop] = null;
			}
		}
	};


	/* Support for touch devices */
	extend(Highcharts.Pointer.prototype, {

		/**
		 * Run translation operations
		 */
		pinchTranslate: function (pinchDown, touches, transform, selectionMarker, clip, lastValidTouch) {
			if (this.zoomHor || this.pinchHor) {
				this.pinchTranslateDirection(true, pinchDown, touches, transform, selectionMarker, clip, lastValidTouch);
			}
			if (this.zoomVert || this.pinchVert) {
				this.pinchTranslateDirection(false, pinchDown, touches, transform, selectionMarker, clip, lastValidTouch);
			}
		},

		/**
		 * Run translation operations for each direction (horizontal and vertical) independently
		 */
		pinchTranslateDirection: function (horiz, pinchDown, touches, transform, selectionMarker, clip, lastValidTouch, forcedScale) {
			var chart = this.chart,
				xy = horiz ? 'x' : 'y',
				XY = horiz ? 'X' : 'Y',
				sChartXY = 'chart' + XY,
				wh = horiz ? 'width' : 'height',
				plotLeftTop = chart['plot' + (horiz ? 'Left' : 'Top')],
				selectionWH,
				selectionXY,
				clipXY,
				scale = forcedScale || 1,
				inverted = chart.inverted,
				bounds = chart.bounds[horiz ? 'h' : 'v'],
				singleTouch = pinchDown.length === 1,
				touch0Start = pinchDown[0][sChartXY],
				touch0Now = touches[0][sChartXY],
				touch1Start = !singleTouch && pinchDown[1][sChartXY],
				touch1Now = !singleTouch && touches[1][sChartXY],
				outOfBounds,
				transformScale,
				scaleKey,
				setScale = function () {
					if (!singleTouch && mathAbs(touch0Start - touch1Start) > 20) { // Don't zoom if fingers are too close on this axis
						scale = forcedScale || mathAbs(touch0Now - touch1Now) / mathAbs(touch0Start - touch1Start); 
					}
					
					clipXY = ((plotLeftTop - touch0Now) / scale) + touch0Start;
					selectionWH = chart['plot' + (horiz ? 'Width' : 'Height')] / scale;
				};

			// Set the scale, first pass
			setScale();

			selectionXY = clipXY; // the clip position (x or y) is altered if out of bounds, the selection position is not

			// Out of bounds
			if (selectionXY < bounds.min) {
				selectionXY = bounds.min;
				outOfBounds = true;
			} else if (selectionXY + selectionWH > bounds.max) {
				selectionXY = bounds.max - selectionWH;
				outOfBounds = true;
			}
			
			// Is the chart dragged off its bounds, determined by dataMin and dataMax?
			if (outOfBounds) {

				// Modify the touchNow position in order to create an elastic drag movement. This indicates
				// to the user that the chart is responsive but can't be dragged further.
				touch0Now -= 0.8 * (touch0Now - lastValidTouch[xy][0]);
				if (!singleTouch) {
					touch1Now -= 0.8 * (touch1Now - lastValidTouch[xy][1]);
				}

				// Set the scale, second pass to adapt to the modified touchNow positions
				setScale();

			} else {
				lastValidTouch[xy] = [touch0Now, touch1Now];
			}

			// Set geometry for clipping, selection and transformation
			if (!inverted) { // TODO: implement clipping for inverted charts
				clip[xy] = clipXY - plotLeftTop;
				clip[wh] = selectionWH;
			}
			scaleKey = inverted ? (horiz ? 'scaleY' : 'scaleX') : 'scale' + XY;
			transformScale = inverted ? 1 / scale : scale;

			selectionMarker[wh] = selectionWH;
			selectionMarker[xy] = selectionXY;
			transform[scaleKey] = scale;
			transform['translate' + XY] = (transformScale * plotLeftTop) + (touch0Now - (transformScale * touch0Start));
		},
		
		/**
		 * Handle touch events with two touches
		 */
		pinch: function (e) {

			var self = this,
				chart = self.chart,
				pinchDown = self.pinchDown,
				touches = e.touches,
				touchesLength = touches.length,
				lastValidTouch = self.lastValidTouch,
				hasZoom = self.hasZoom,
				selectionMarker = self.selectionMarker,
				transform = {},
				fireClickEvent = touchesLength === 1 && ((self.inClass(e.target, PREFIX + 'tracker') && 
					chart.runTrackerClick) || self.runChartClick),
				clip = {};

			// Don't initiate panning until the user has pinched. This prevents us from 
			// blocking page scrolling as users scroll down a long page (#4210).
			if (touchesLength > 1) {
				self.initiated = true;
			}

			// On touch devices, only proceed to trigger click if a handler is defined
			if (hasZoom && self.initiated && !fireClickEvent) {
				e.preventDefault();
			}
			
			// Normalize each touch
			map(touches, function (e) {
				return self.normalize(e);
			});
			
			// Register the touch start position
			if (e.type === 'touchstart') {
				each(touches, function (e, i) {
					pinchDown[i] = { chartX: e.chartX, chartY: e.chartY };
				});
				lastValidTouch.x = [pinchDown[0].chartX, pinchDown[1] && pinchDown[1].chartX];
				lastValidTouch.y = [pinchDown[0].chartY, pinchDown[1] && pinchDown[1].chartY];

				// Identify the data bounds in pixels
				each(chart.axes, function (axis) {
					if (axis.zoomEnabled) {
						var bounds = chart.bounds[axis.horiz ? 'h' : 'v'],
							minPixelPadding = axis.minPixelPadding,
							min = axis.toPixels(pick(axis.options.min, axis.dataMin)),
							max = axis.toPixels(pick(axis.options.max, axis.dataMax)),
							absMin = mathMin(min, max),
							absMax = mathMax(min, max);

						// Store the bounds for use in the touchmove handler
						bounds.min = mathMin(axis.pos, absMin - minPixelPadding);
						bounds.max = mathMax(axis.pos + axis.len, absMax + minPixelPadding);
					}
				});
				self.res = true; // reset on next move
			
			// Event type is touchmove, handle panning and pinching
			} else if (pinchDown.length) { // can be 0 when releasing, if touchend fires first
				

				// Set the marker
				if (!selectionMarker) {
					self.selectionMarker = selectionMarker = extend({
						destroy: noop
					}, chart.plotBox);
				}
				
				self.pinchTranslate(pinchDown, touches, transform, selectionMarker, clip, lastValidTouch);

				self.hasPinched = hasZoom;

				// Scale and translate the groups to provide visual feedback during pinching
				self.scaleGroups(transform, clip);
				
				// Optionally move the tooltip on touchmove
				if (!hasZoom && self.followTouchMove && touchesLength === 1) {
					this.runPointActions(self.normalize(e));
				} else if (self.res) {
					self.res = false;
					this.reset(false, 0);
				}
			}
		},

		/**
		 * General touch handler shared by touchstart and touchmove.
		 */
		touch: function (e, start) {
			var chart = this.chart;

			hoverChartIndex = chart.index;

			if (e.touches.length === 1) {

				e = this.normalize(e);

				if (chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop) && !chart.openMenu) {

					// Run mouse events and display tooltip etc
					if (start) {
						this.runPointActions(e);
					}

					this.pinch(e);

				} else if (start) {
					// Hide the tooltip on touching outside the plot area (#1203)
					this.reset();
				}

			} else if (e.touches.length === 2) {
				this.pinch(e);
			}
		},

		onContainerTouchStart: function (e) {
			this.touch(e, true);
		},

		onContainerTouchMove: function (e) {
			this.touch(e);
		},

		onDocumentTouchEnd: function (e) {
			if (charts[hoverChartIndex]) {
				charts[hoverChartIndex].pointer.drop(e);
			}
		}

	});
	if (win.PointerEvent || win.MSPointerEvent) {
		
		// The touches object keeps track of the points being touched at all times
		var touches = {},
			hasPointerEvent = !!win.PointerEvent,
			getWebkitTouches = function () {
				var key, fake = [];
				fake.item = function (i) { return this[i]; };
				for (key in touches) {
					if (touches.hasOwnProperty(key)) {
						fake.push({
							pageX: touches[key].pageX,
							pageY: touches[key].pageY,
							target: touches[key].target
						});
					}
				}
				return fake;
			},
			translateMSPointer = function (e, method, wktype, callback) {
				var p;
				e = e.originalEvent || e;
				if ((e.pointerType === 'touch' || e.pointerType === e.MSPOINTER_TYPE_TOUCH) && charts[hoverChartIndex]) {
					callback(e);
					p = charts[hoverChartIndex].pointer;
					p[method]({
						type: wktype,
						target: e.currentTarget,
						preventDefault: noop,
						touches: getWebkitTouches()
					});				
				}
			};

		/**
		 * Extend the Pointer prototype with methods for each event handler and more
		 */
		extend(Pointer.prototype, {
			onContainerPointerDown: function (e) {
				translateMSPointer(e, 'onContainerTouchStart', 'touchstart', function (e) {
					touches[e.pointerId] = { pageX: e.pageX, pageY: e.pageY, target: e.currentTarget };
				});
			},
			onContainerPointerMove: function (e) {
				translateMSPointer(e, 'onContainerTouchMove', 'touchmove', function (e) {
					touches[e.pointerId] = { pageX: e.pageX, pageY: e.pageY };
					if (!touches[e.pointerId].target) {
						touches[e.pointerId].target = e.currentTarget;
					}
				});
			},
			onDocumentPointerUp: function (e) {
				translateMSPointer(e, 'onDocumentTouchEnd', 'touchend', function (e) {
					delete touches[e.pointerId];
				});
			},

			/**
			 * Add or remove the MS Pointer specific events
			 */
			batchMSEvents: function (fn) {
				fn(this.chart.container, hasPointerEvent ? 'pointerdown' : 'MSPointerDown', this.onContainerPointerDown);
				fn(this.chart.container, hasPointerEvent ? 'pointermove' : 'MSPointerMove', this.onContainerPointerMove);
				fn(doc, hasPointerEvent ? 'pointerup' : 'MSPointerUp', this.onDocumentPointerUp);
			}
		});

		// Disable default IE actions for pinch and such on chart element
		wrap(Pointer.prototype, 'init', function (proceed, chart, options) {
			proceed.call(this, chart, options);
			if (this.hasZoom) { // #4014
				css(chart.container, {
					'-ms-touch-action': NONE,
					'touch-action': NONE
				});
			}
		});

		// Add IE specific touch events to chart
		wrap(Pointer.prototype, 'setDOMEvents', function (proceed) {
			proceed.apply(this);
			if (this.hasZoom || this.followTouchMove) {
				this.batchMSEvents(addEvent);
			}
		});
		// Destroy MS events also
		wrap(Pointer.prototype, 'destroy', function (proceed) {
			this.batchMSEvents(removeEvent);
			proceed.call(this);
		});
	}
	/**
	 * The overview of the chart's series
	 */
	var Legend = Highcharts.Legend = function (chart, options) {
		this.init(chart, options);
	};

	Legend.prototype = {
		
		/**
		 * Initialize the legend
		 */
		init: function (chart, options) {
			
			var legend = this,
				itemStyle = options.itemStyle,
				padding,
				itemMarginTop = options.itemMarginTop || 0;
		
			this.options = options;

			if (!options.enabled) {
				return;
			}
		
			legend.itemStyle = itemStyle;
			legend.itemHiddenStyle = merge(itemStyle, options.itemHiddenStyle);
			legend.itemMarginTop = itemMarginTop;
			legend.padding = padding = pick(options.padding, 8);
			legend.initialItemX = padding;
			legend.initialItemY = padding - 5; // 5 is the number of pixels above the text
			legend.maxItemWidth = 0;
			legend.chart = chart;
			legend.itemHeight = 0;
			legend.symbolWidth = pick(options.symbolWidth, 16);
			legend.pages = [];


			// Render it
			legend.render();

			// move checkboxes
			addEvent(legend.chart, 'endResize', function () { 
				legend.positionCheckboxes();
			});

		},

		/**
		 * Set the colors for the legend item
		 * @param {Object} item A Series or Point instance
		 * @param {Object} visible Dimmed or colored
		 */
		colorizeItem: function (item, visible) {
			var legend = this,
				options = legend.options,
				legendItem = item.legendItem,
				legendLine = item.legendLine,
				legendSymbol = item.legendSymbol,
				hiddenColor = legend.itemHiddenStyle.color,
				textColor = visible ? options.itemStyle.color : hiddenColor,
				symbolColor = visible ? (item.legendColor || item.color || '#CCC') : hiddenColor,
				markerOptions = item.options && item.options.marker,
				symbolAttr = { fill: symbolColor },
				key,
				val;
			
			if (legendItem) {
				legendItem.css({ fill: textColor, color: textColor }); // color for #1553, oldIE
			}
			if (legendLine) {
				legendLine.attr({ stroke: symbolColor });
			}
			
			if (legendSymbol) {
				
				// Apply marker options
				if (markerOptions && legendSymbol.isMarker) { // #585
					symbolAttr.stroke = symbolColor;
					markerOptions = item.convertAttribs(markerOptions);
					for (key in markerOptions) {
						val = markerOptions[key];
						if (val !== UNDEFINED) {
							symbolAttr[key] = val;
						}
					}
				}

				legendSymbol.attr(symbolAttr);
			}
		},

		/**
		 * Position the legend item
		 * @param {Object} item A Series or Point instance
		 */
		positionItem: function (item) {
			var legend = this,
				options = legend.options,
				symbolPadding = options.symbolPadding,
				ltr = !options.rtl,
				legendItemPos = item._legendItemPos,
				itemX = legendItemPos[0],
				itemY = legendItemPos[1],
				checkbox = item.checkbox;

			if (item.legendGroup) {
				item.legendGroup.translate(
					ltr ? itemX : legend.legendWidth - itemX - 2 * symbolPadding - 4,
					itemY
				);
			}

			if (checkbox) {
				checkbox.x = itemX;
				checkbox.y = itemY;
			}
		},

		/**
		 * Destroy a single legend item
		 * @param {Object} item The series or point
		 */
		destroyItem: function (item) {
			var checkbox = item.checkbox;

			// destroy SVG elements
			each(['legendItem', 'legendLine', 'legendSymbol', 'legendGroup'], function (key) {
				if (item[key]) {
					item[key] = item[key].destroy();
				}
			});

			if (checkbox) {
				discardElement(item.checkbox);
			}
		},

		/**
		 * Destroys the legend.
		 */
		destroy: function () {
			var legend = this,
				legendGroup = legend.group,
				box = legend.box;

			if (box) {
				legend.box = box.destroy();
			}

			if (legendGroup) {
				legend.group = legendGroup.destroy();
			}
		},

		/**
		 * Position the checkboxes after the width is determined
		 */
		positionCheckboxes: function (scrollOffset) {
			var alignAttr = this.group.alignAttr,
				translateY,
				clipHeight = this.clipHeight || this.legendHeight;

			if (alignAttr) {
				translateY = alignAttr.translateY;
				each(this.allItems, function (item) {
					var checkbox = item.checkbox,
						top;
					
					if (checkbox) {
						top = (translateY + checkbox.y + (scrollOffset || 0) + 3);
						css(checkbox, {
							left: (alignAttr.translateX + item.checkboxOffset + checkbox.x - 20) + PX,
							top: top + PX,
							display: top > translateY - 6 && top < translateY + clipHeight - 6 ? '' : NONE
						});
					}
				});
			}
		},
		
		/**
		 * Render the legend title on top of the legend
		 */
		renderTitle: function () {
			var options = this.options,
				padding = this.padding,
				titleOptions = options.title,
				titleHeight = 0,
				bBox;
			
			if (titleOptions.text) {
				if (!this.title) {
					this.title = this.chart.renderer.label(titleOptions.text, padding - 3, padding - 4, null, null, null, null, null, 'legend-title')
						.attr({ zIndex: 1 })
						.css(titleOptions.style)
						.add(this.group);
				}
				bBox = this.title.getBBox();
				titleHeight = bBox.height;
				this.offsetWidth = bBox.width; // #1717
				this.contentGroup.attr({ translateY: titleHeight });
			}
			this.titleHeight = titleHeight;
		},

		/**
		 * Set the legend item text
		 */
		setText: function (item) {
			var options = this.options;
			item.legendItem.attr({
				text: options.labelFormat ? format(options.labelFormat, item) : options.labelFormatter.call(item)
			});
		},

		/**
		 * Render a single specific legend item
		 * @param {Object} item A series or point
		 */
		renderItem: function (item) {
			var legend = this,
				chart = legend.chart,
				renderer = chart.renderer,
				options = legend.options,
				horizontal = options.layout === 'horizontal',
				symbolWidth = legend.symbolWidth,
				symbolPadding = options.symbolPadding,
				itemStyle = legend.itemStyle,
				itemHiddenStyle = legend.itemHiddenStyle,
				padding = legend.padding,
				itemDistance = horizontal ? pick(options.itemDistance, 20) : 0,
				ltr = !options.rtl,
				itemHeight,
				widthOption = options.width,
				itemMarginBottom = options.itemMarginBottom || 0,
				itemMarginTop = legend.itemMarginTop,
				initialItemX = legend.initialItemX,
				bBox,
				itemWidth,
				li = item.legendItem,
				series = item.series && item.series.drawLegendSymbol ? item.series : item,
				seriesOptions = series.options,
				showCheckbox = legend.createCheckboxForItem && seriesOptions && seriesOptions.showCheckbox,
				useHTML = options.useHTML;

			if (!li) { // generate it once, later move it

				// Generate the group box
				// A group to hold the symbol and text. Text is to be appended in Legend class.
				item.legendGroup = renderer.g('legend-item')
					.attr({ zIndex: 1 })
					.add(legend.scrollGroup);

				// Generate the list item text and add it to the group
				item.legendItem = li = renderer.text(
						'',
						ltr ? symbolWidth + symbolPadding : -symbolPadding,
						legend.baseline || 0,
						useHTML
					)
					.css(merge(item.visible ? itemStyle : itemHiddenStyle)) // merge to prevent modifying original (#1021)
					.attr({
						align: ltr ? 'left' : 'right',
						zIndex: 2
					})
					.add(item.legendGroup);

				// Get the baseline for the first item - the font size is equal for all
				if (!legend.baseline) {
					legend.fontMetrics = renderer.fontMetrics(itemStyle.fontSize, li);
					legend.baseline = legend.fontMetrics.f + 3 + itemMarginTop;
					li.attr('y', legend.baseline);
				}

				// Draw the legend symbol inside the group box
				series.drawLegendSymbol(legend, item);

				if (legend.setItemEvents) {
					legend.setItemEvents(item, li, useHTML, itemStyle, itemHiddenStyle);
				}			

				// Colorize the items
				legend.colorizeItem(item, item.visible);

				// add the HTML checkbox on top
				if (showCheckbox) {
					legend.createCheckboxForItem(item);				
				}
			}

			// Always update the text
			legend.setText(item);

			// calculate the positions for the next line
			bBox = li.getBBox();

			itemWidth = item.checkboxOffset = 
				options.itemWidth || 
				item.legendItemWidth || 
				symbolWidth + symbolPadding + bBox.width + itemDistance + (showCheckbox ? 20 : 0);
			legend.itemHeight = itemHeight = mathRound(item.legendItemHeight || bBox.height);

			// if the item exceeds the width, start a new line
			if (horizontal && legend.itemX - initialItemX + itemWidth >
					(widthOption || (chart.chartWidth - 2 * padding - initialItemX - options.x))) {
				legend.itemX = initialItemX;
				legend.itemY += itemMarginTop + legend.lastLineHeight + itemMarginBottom;
				legend.lastLineHeight = 0; // reset for next line (#915, #3976)
			}

			// If the item exceeds the height, start a new column
			/*if (!horizontal && legend.itemY + options.y + itemHeight > chart.chartHeight - spacingTop - spacingBottom) {
				legend.itemY = legend.initialItemY;
				legend.itemX += legend.maxItemWidth;
				legend.maxItemWidth = 0;
			}*/

			// Set the edge positions
			legend.maxItemWidth = mathMax(legend.maxItemWidth, itemWidth);
			legend.lastItemY = itemMarginTop + legend.itemY + itemMarginBottom;
			legend.lastLineHeight = mathMax(itemHeight, legend.lastLineHeight); // #915

			// cache the position of the newly generated or reordered items
			item._legendItemPos = [legend.itemX, legend.itemY];

			// advance
			if (horizontal) {
				legend.itemX += itemWidth;

			} else {
				legend.itemY += itemMarginTop + itemHeight + itemMarginBottom;
				legend.lastLineHeight = itemHeight;
			}

			// the width of the widest item
			legend.offsetWidth = widthOption || mathMax(
				(horizontal ? legend.itemX - initialItemX - itemDistance : itemWidth) + padding,
				legend.offsetWidth
			);
		},

		/**
		 * Get all items, which is one item per series for normal series and one item per point
		 * for pie series.
		 */
		getAllItems: function () {
			var allItems = [];
			each(this.chart.series, function (series) {
				var seriesOptions = series.options;

				// Handle showInLegend. If the series is linked to another series, defaults to false.
				if (!pick(seriesOptions.showInLegend, !defined(seriesOptions.linkedTo) ? UNDEFINED : false, true)) {
					return;
				}

				// use points or series for the legend item depending on legendType
				allItems = allItems.concat(
						series.legendItems ||
						(seriesOptions.legendType === 'point' ?
								series.data :
								series)
				);
			});
			return allItems;
		},

		/**
		 * Adjust the chart margins by reserving space for the legend on only one side
		 * of the chart. If the position is set to a corner, top or bottom is reserved
		 * for horizontal legends and left or right for vertical ones.
		 */
		adjustMargins: function (margin, spacing) {
			var chart = this.chart, 
				options = this.options,
				// Use the first letter of each alignment option in order to detect the side 
				alignment = options.align[0] + options.verticalAlign[0] + options.layout[0];
				
			if (this.display && !options.floating) {

				each([
					/(lth|ct|rth)/,
					/(rtv|rm|rbv)/,
					/(rbh|cb|lbh)/,
					/(lbv|lm|ltv)/
				], function (alignments, side) {
					if (alignments.test(alignment) && !defined(margin[side])) {
						// Now we have detected on which side of the chart we should reserve space for the legend
						chart[marginNames[side]] = mathMax(
							chart[marginNames[side]],
							chart.legend[(side + 1) % 2 ? 'legendHeight' : 'legendWidth'] + 
								[1, -1, -1, 1][side] * options[(side % 2) ? 'x' : 'y'] + 
								pick(options.margin, 12) +
								spacing[side]
						);
					}
				});
			}
		},

		/**
		 * Render the legend. This method can be called both before and after
		 * chart.render. If called after, it will only rearrange items instead
		 * of creating new ones.
		 */
		render: function () {
			var legend = this,
				chart = legend.chart,
				renderer = chart.renderer,
				legendGroup = legend.group,
				allItems,
				display,
				legendWidth,
				legendHeight,
				box = legend.box,
				options = legend.options,
				padding = legend.padding,
				legendBorderWidth = options.borderWidth,
				legendBackgroundColor = options.backgroundColor;

			legend.itemX = legend.initialItemX;
			legend.itemY = legend.initialItemY;
			legend.offsetWidth = 0;
			legend.lastItemY = 0;

			if (!legendGroup) {
				legend.group = legendGroup = renderer.g('legend')
					.attr({ zIndex: 7 }) 
					.add();
				legend.contentGroup = renderer.g()
					.attr({ zIndex: 1 }) // above background
					.add(legendGroup);
				legend.scrollGroup = renderer.g()
					.add(legend.contentGroup);
			}
			
			legend.renderTitle();

			// add each series or point
			allItems = legend.getAllItems();

			// sort by legendIndex
			stableSort(allItems, function (a, b) {
				return ((a.options && a.options.legendIndex) || 0) - ((b.options && b.options.legendIndex) || 0);
			});

			// reversed legend
			if (options.reversed) {
				allItems.reverse();
			}

			legend.allItems = allItems;
			legend.display = display = !!allItems.length;

			// render the items
			legend.lastLineHeight = 0;
			each(allItems, function (item) {
				legend.renderItem(item); 
			});

			// Get the box
			legendWidth = (options.width || legend.offsetWidth) + padding;
			legendHeight = legend.lastItemY + legend.lastLineHeight + legend.titleHeight;
			legendHeight = legend.handleOverflow(legendHeight);
			legendHeight += padding;

			// Draw the border and/or background
			if (legendBorderWidth || legendBackgroundColor) {

				if (!box) {
					legend.box = box = renderer.rect(
						0,
						0,
						legendWidth,
						legendHeight,
						options.borderRadius,
						legendBorderWidth || 0
					).attr({
						stroke: options.borderColor,
						'stroke-width': legendBorderWidth || 0,
						fill: legendBackgroundColor || NONE
					})
					.add(legendGroup)
					.shadow(options.shadow);
					box.isNew = true;

				} else if (legendWidth > 0 && legendHeight > 0) {
					box[box.isNew ? 'attr' : 'animate'](
						box.crisp({ width: legendWidth, height: legendHeight })
					);
					box.isNew = false;
				}

				// hide the border if no items
				box[display ? 'show' : 'hide']();
			}
			
			legend.legendWidth = legendWidth;
			legend.legendHeight = legendHeight;

			// Now that the legend width and height are established, put the items in the 
			// final position
			each(allItems, function (item) {
				legend.positionItem(item);
			});

			// 1.x compatibility: positioning based on style
			/*var props = ['left', 'right', 'top', 'bottom'],
				prop,
				i = 4;
			while (i--) {
				prop = props[i];
				if (options.style[prop] && options.style[prop] !== 'auto') {
					options[i < 2 ? 'align' : 'verticalAlign'] = prop;
					options[i < 2 ? 'x' : 'y'] = pInt(options.style[prop]) * (i % 2 ? -1 : 1);
				}
			}*/

			if (display) {
				legendGroup.align(extend({
					width: legendWidth,
					height: legendHeight
				}, options), true, 'spacingBox');
			}

			if (!chart.isResizing) {
				this.positionCheckboxes();
			}
		},
		
		/**
		 * Set up the overflow handling by adding navigation with up and down arrows below the
		 * legend.
		 */
		handleOverflow: function (legendHeight) {
			var legend = this,
				chart = this.chart,
				renderer = chart.renderer,
				options = this.options,
				optionsY = options.y,
				alignTop = options.verticalAlign === 'top',
				spaceHeight = chart.spacingBox.height + (alignTop ? -optionsY : optionsY) - this.padding,
				maxHeight = options.maxHeight,
				clipHeight,
				clipRect = this.clipRect,
				navOptions = options.navigation,
				animation = pick(navOptions.animation, true),
				arrowSize = navOptions.arrowSize || 12,
				nav = this.nav,
				pages = this.pages,
				lastY,
				allItems = this.allItems;
				
			// Adjust the height
			if (options.layout === 'horizontal') {
				spaceHeight /= 2;
			}
			if (maxHeight) {
				spaceHeight = mathMin(spaceHeight, maxHeight);
			}
			
			// Reset the legend height and adjust the clipping rectangle
			pages.length = 0;
			if (legendHeight > spaceHeight && !options.useHTML) {

				this.clipHeight = clipHeight = mathMax(spaceHeight - 20 - this.titleHeight - this.padding, 0);
				this.currentPage = pick(this.currentPage, 1);
				this.fullHeight = legendHeight;
				
				// Fill pages with Y positions so that the top of each a legend item defines
				// the scroll top for each page (#2098)
				each(allItems, function (item, i) {
					var y = item._legendItemPos[1],
						h = mathRound(item.legendItem.getBBox().height),
						len = pages.length;
					
					if (!len || (y - pages[len - 1] > clipHeight && (lastY || y) !== pages[len - 1])) {
						pages.push(lastY || y);
						len++;
					}
					
					if (i === allItems.length - 1 && y + h - pages[len - 1] > clipHeight) {
						pages.push(y);
					}
					if (y !== lastY) {
						lastY = y;
					}
				});

				// Only apply clipping if needed. Clipping causes blurred legend in PDF export (#1787)
				if (!clipRect) {
					clipRect = legend.clipRect = renderer.clipRect(0, this.padding, 9999, 0);
					legend.contentGroup.clip(clipRect);
				}
				clipRect.attr({
					height: clipHeight
				});
				
				// Add navigation elements
				if (!nav) {
					this.nav = nav = renderer.g().attr({ zIndex: 1 }).add(this.group);
					this.up = renderer.symbol('triangle', 0, 0, arrowSize, arrowSize)
						.on('click', function () {
							legend.scroll(-1, animation);
						})
						.add(nav);
					this.pager = renderer.text('', 15, 10)
						.css(navOptions.style)
						.add(nav);
					this.down = renderer.symbol('triangle-down', 0, 0, arrowSize, arrowSize)
						.on('click', function () {
							legend.scroll(1, animation);
						})
						.add(nav);
				}
				
				// Set initial position
				legend.scroll(0);
				
				legendHeight = spaceHeight;
				
			} else if (nav) {
				clipRect.attr({
					height: chart.chartHeight
				});
				nav.hide();
				this.scrollGroup.attr({
					translateY: 1
				});
				this.clipHeight = 0; // #1379
			}
			
			return legendHeight;
		},
		
		/**
		 * Scroll the legend by a number of pages
		 * @param {Object} scrollBy
		 * @param {Object} animation
		 */
		scroll: function (scrollBy, animation) {
			var pages = this.pages,
				pageCount = pages.length,
				currentPage = this.currentPage + scrollBy,
				clipHeight = this.clipHeight,
				navOptions = this.options.navigation,
				activeColor = navOptions.activeColor,
				inactiveColor = navOptions.inactiveColor,
				pager = this.pager,
				padding = this.padding,
				scrollOffset;
			
			// When resizing while looking at the last page
			if (currentPage > pageCount) {
				currentPage = pageCount;
			}
			
			if (currentPage > 0) {
				
				if (animation !== UNDEFINED) {
					setAnimation(animation, this.chart);
				}
				
				this.nav.attr({
					translateX: padding,
					translateY: clipHeight + this.padding + 7 + this.titleHeight,
					visibility: VISIBLE
				});
				this.up.attr({
						fill: currentPage === 1 ? inactiveColor : activeColor
					})
					.css({
						cursor: currentPage === 1 ? 'default' : 'pointer'
					});
				pager.attr({
					text: currentPage + '/' + pageCount
				});
				this.down.attr({
						x: 18 + this.pager.getBBox().width, // adjust to text width
						fill: currentPage === pageCount ? inactiveColor : activeColor
					})
					.css({
						cursor: currentPage === pageCount ? 'default' : 'pointer'
					});
				
				scrollOffset = -pages[currentPage - 1] + this.initialItemY;

				this.scrollGroup.animate({
					translateY: scrollOffset
				});			
				
				this.currentPage = currentPage;
				this.positionCheckboxes(scrollOffset);
			}
				
		}
		
	};

	/*
	 * LegendSymbolMixin
	 */ 

	var LegendSymbolMixin = Highcharts.LegendSymbolMixin = {

		/**
		 * Get the series' symbol in the legend
		 * 
		 * @param {Object} legend The legend object
		 * @param {Object} item The series (this) or point
		 */
		drawRectangle: function (legend, item) {
			var symbolHeight = legend.options.symbolHeight || legend.fontMetrics.f;

			item.legendSymbol = this.chart.renderer.rect(
				0,
				legend.baseline - symbolHeight + 1, // #3988
				legend.symbolWidth,
				symbolHeight,
				legend.options.symbolRadius || 0
			).attr({
				zIndex: 3
			}).add(item.legendGroup);		
			
		},

		/**
		 * Get the series' symbol in the legend. This method should be overridable to create custom 
		 * symbols through Highcharts.seriesTypes[type].prototype.drawLegendSymbols.
		 * 
		 * @param {Object} legend The legend object
		 */
		drawLineMarker: function (legend) {

			var options = this.options,
				markerOptions = options.marker,
				radius,
				legendSymbol,
				symbolWidth = legend.symbolWidth,
				renderer = this.chart.renderer,
				legendItemGroup = this.legendGroup,
				verticalCenter = legend.baseline - mathRound(legend.fontMetrics.b * 0.3),
				attr;

			// Draw the line
			if (options.lineWidth) {
				attr = {
					'stroke-width': options.lineWidth
				};
				if (options.dashStyle) {
					attr.dashstyle = options.dashStyle;
				}
				this.legendLine = renderer.path([
					M,
					0,
					verticalCenter,
					L,
					symbolWidth,
					verticalCenter
				])
				.attr(attr)
				.add(legendItemGroup);
			}
			
			// Draw the marker
			if (markerOptions && markerOptions.enabled !== false) {
				radius = markerOptions.radius;
				this.legendSymbol = legendSymbol = renderer.symbol(
					this.symbol,
					(symbolWidth / 2) - radius,
					verticalCenter - radius,
					2 * radius,
					2 * radius
				)
				.add(legendItemGroup);
				legendSymbol.isMarker = true;
			}
		}
	};

	// Workaround for #2030, horizontal legend items not displaying in IE11 Preview,
	// and for #2580, a similar drawing flaw in Firefox 26.
	// TODO: Explore if there's a general cause for this. The problem may be related 
	// to nested group elements, as the legend item texts are within 4 group elements.
	if (/Trident\/7\.0/.test(userAgent) || isFirefox) {
		wrap(Legend.prototype, 'positionItem', function (proceed, item) {
			var legend = this,
				runPositionItem = function () { // If chart destroyed in sync, this is undefined (#2030)
					if (item._legendItemPos) {
						proceed.call(legend, item);
					}
				};

			// Do it now, for export and to get checkbox placement
			runPositionItem();
			
			// Do it after to work around the core issue
			setTimeout(runPositionItem);
		});
	}
	/**
	 * The chart class
	 * @param {Object} options
	 * @param {Function} callback Function to run when the chart has loaded
	 */
	var Chart = Highcharts.Chart = function () {
		this.init.apply(this, arguments);
	};

	Chart.prototype = {

		/**
		 * Hook for modules
		 */
		callbacks: [],

		/**
		 * Initialize the chart
		 */
		init: function (userOptions, callback) {

			// Handle regular options
			var options,
				seriesOptions = userOptions.series; // skip merging data points to increase performance

			userOptions.series = null;
			options = merge(defaultOptions, userOptions); // do the merge
			options.series = userOptions.series = seriesOptions; // set back the series data
			this.userOptions = userOptions;

			var optionsChart = options.chart;
			
			// Create margin & spacing array
			this.margin = this.splashArray('margin', optionsChart);
			this.spacing = this.splashArray('spacing', optionsChart);

			var chartEvents = optionsChart.events;

			//this.runChartClick = chartEvents && !!chartEvents.click;
			this.bounds = { h: {}, v: {} }; // Pixel data bounds for touch zoom

			this.callback = callback;
			this.isResizing = 0;
			this.options = options;
			//chartTitleOptions = UNDEFINED;
			//chartSubtitleOptions = UNDEFINED;

			this.axes = [];
			this.series = [];
			this.hasCartesianSeries = optionsChart.showAxes;
			//this.axisOffset = UNDEFINED;
			//this.maxTicks = UNDEFINED; // handle the greatest amount of ticks on grouped axes
			//this.inverted = UNDEFINED;
			//this.loadingShown = UNDEFINED;
			//this.container = UNDEFINED;
			//this.chartWidth = UNDEFINED;
			//this.chartHeight = UNDEFINED;
			//this.marginRight = UNDEFINED;
			//this.marginBottom = UNDEFINED;
			//this.containerWidth = UNDEFINED;
			//this.containerHeight = UNDEFINED;
			//this.oldChartWidth = UNDEFINED;
			//this.oldChartHeight = UNDEFINED;

			//this.renderTo = UNDEFINED;
			//this.renderToClone = UNDEFINED;

			//this.spacingBox = UNDEFINED

			//this.legend = UNDEFINED;

			// Elements
			//this.chartBackground = UNDEFINED;
			//this.plotBackground = UNDEFINED;
			//this.plotBGImage = UNDEFINED;
			//this.plotBorder = UNDEFINED;
			//this.loadingDiv = UNDEFINED;
			//this.loadingSpan = UNDEFINED;

			var chart = this,
				eventType;

			// Add the chart to the global lookup
			chart.index = charts.length;
			charts.push(chart);
			chartCount++;

			// Set up auto resize
			if (optionsChart.reflow !== false) {
				addEvent(chart, 'load', function () {
					chart.initReflow();
				});
			}

			// Chart event handlers
			if (chartEvents) {
				for (eventType in chartEvents) {
					addEvent(chart, eventType, chartEvents[eventType]);
				}
			}

			chart.xAxis = [];
			chart.yAxis = [];

			// Expose methods and variables
			chart.animation = useCanVG ? false : pick(optionsChart.animation, true);
			chart.pointCount = chart.colorCounter = chart.symbolCounter = 0;

			chart.firstRender();
		},

		/**
		 * Initialize an individual series, called internally before render time
		 */
		initSeries: function (options) {
			var chart = this,
				optionsChart = chart.options.chart,
				type = options.type || optionsChart.type || optionsChart.defaultSeriesType,
				series,
				constr = seriesTypes[type];

			// No such series type
			if (!constr) {
				error(17, true);
			}

			series = new constr();
			series.init(this, options);
			return series;
		},

		/**
		 * Check whether a given point is within the plot area
		 *
		 * @param {Number} plotX Pixel x relative to the plot area
		 * @param {Number} plotY Pixel y relative to the plot area
		 * @param {Boolean} inverted Whether the chart is inverted
		 */
		isInsidePlot: function (plotX, plotY, inverted) {
			var x = inverted ? plotY : plotX,
				y = inverted ? plotX : plotY;
				
			return x >= 0 &&
				x <= this.plotWidth &&
				y >= 0 &&
				y <= this.plotHeight;
		},

		/**
		 * Redraw legend, axes or series based on updated data
		 *
		 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
		 *    configuration
		 */
		redraw: function (animation) {
			var chart = this,
				axes = chart.axes,
				series = chart.series,
				pointer = chart.pointer,
				legend = chart.legend,
				redrawLegend = chart.isDirtyLegend,
				hasStackedSeries,
				hasDirtyStacks,
				hasCartesianSeries = chart.hasCartesianSeries,
				isDirtyBox = chart.isDirtyBox, // todo: check if it has actually changed?
				seriesLength = series.length,
				i = seriesLength,
				serie,
				renderer = chart.renderer,
				isHiddenChart = renderer.isHidden(),
				afterRedraw = [];
				
			setAnimation(animation, chart);
			
			if (isHiddenChart) {
				chart.cloneRenderTo();
			}

			// Adjust title layout (reflow multiline text)
			chart.layOutTitles();

			// link stacked series
			while (i--) {
				serie = series[i];

				if (serie.options.stacking) {
					hasStackedSeries = true;
					
					if (serie.isDirty) {
						hasDirtyStacks = true;
						break;
					}
				}
			}
			if (hasDirtyStacks) { // mark others as dirty
				i = seriesLength;
				while (i--) {
					serie = series[i];
					if (serie.options.stacking) {
						serie.isDirty = true;
					}
				}
			}

			// Handle updated data in the series
			each(series, function (serie) {
				if (serie.isDirty) {
					if (serie.options.legendType === 'point') {
						if (serie.updateTotals) {
							serie.updateTotals();
						}
						redrawLegend = true;
					}
				}
			});

			// handle added or removed series
			if (redrawLegend && legend.options.enabled) { // series or pie points are added or removed
				// draw legend graphics
				legend.render();

				chart.isDirtyLegend = false;
			}

			// reset stacks
			if (hasStackedSeries) {
				chart.getStacks();
			}


			if (hasCartesianSeries) {
				if (!chart.isResizing) {

					// reset maxTicks
					chart.maxTicks = null;

					// set axes scales
					each(axes, function (axis) {
						axis.setScale();
					});
				}
			}

			chart.getMargins(); // #3098

			if (hasCartesianSeries) {
				// If one axis is dirty, all axes must be redrawn (#792, #2169)
				each(axes, function (axis) {
					if (axis.isDirty) {
						isDirtyBox = true;
					}
				});

				// redraw axes
				each(axes, function (axis) {
					
					// Fire 'afterSetExtremes' only if extremes are set
					if (axis.isDirtyExtremes) { // #821
						axis.isDirtyExtremes = false;
						afterRedraw.push(function () { // prevent a recursive call to chart.redraw() (#1119)
							fireEvent(axis, 'afterSetExtremes', extend(axis.eventArgs, axis.getExtremes())); // #747, #751
							delete axis.eventArgs;
						});
					}
					
					if (isDirtyBox || hasStackedSeries) {
						axis.redraw();
					}
				});
			}
			
			// the plot areas size has changed
			if (isDirtyBox) {
				chart.drawChartBox();
			}


			// redraw affected series
			each(series, function (serie) {
				if (serie.isDirty && serie.visible &&
						(!serie.isCartesian || serie.xAxis)) { // issue #153
					serie.redraw();
				}
			});

			// move tooltip or reset
			if (pointer) {
				pointer.reset(true);
			}

			// redraw if canvas
			renderer.draw();

			// fire the event
			fireEvent(chart, 'redraw'); // jQuery breaks this when calling it from addEvent. Overwrites chart.redraw
			
			if (isHiddenChart) {
				chart.cloneRenderTo(true);
			}
			
			// Fire callbacks that are put on hold until after the redraw
			each(afterRedraw, function (callback) {
				callback.call();
			});
		},

		/**
		 * Get an axis, series or point object by id.
		 * @param id {String} The id as given in the configuration options
		 */
		get: function (id) {
			var chart = this,
				axes = chart.axes,
				series = chart.series;

			var i,
				j,
				points;

			// search axes
			for (i = 0; i < axes.length; i++) {
				if (axes[i].options.id === id) {
					return axes[i];
				}
			}

			// search series
			for (i = 0; i < series.length; i++) {
				if (series[i].options.id === id) {
					return series[i];
				}
			}

			// search points
			for (i = 0; i < series.length; i++) {
				points = series[i].points || [];
				for (j = 0; j < points.length; j++) {
					if (points[j].id === id) {
						return points[j];
					}
				}
			}
			return null;
		},

		/**
		 * Create the Axis instances based on the config options
		 */
		getAxes: function () {
			var chart = this,
				options = this.options,
				xAxisOptions = options.xAxis = splat(options.xAxis || {}),
				yAxisOptions = options.yAxis = splat(options.yAxis || {}),
				optionsArray,
				axis;

			// make sure the options are arrays and add some members
			each(xAxisOptions, function (axis, i) {
				axis.index = i;
				axis.isX = true;
			});

			each(yAxisOptions, function (axis, i) {
				axis.index = i;
			});

			// concatenate all axis options into one array
			optionsArray = xAxisOptions.concat(yAxisOptions);

			each(optionsArray, function (axisOptions) {
				axis = new Axis(chart, axisOptions);
			});
		},


		/**
		 * Get the currently selected points from all series
		 */
		getSelectedPoints: function () {
			var points = [];
			each(this.series, function (serie) {
				points = points.concat(grep(serie.points || [], function (point) {
					return point.selected;
				}));
			});
			return points;
		},

		/**
		 * Get the currently selected series
		 */
		getSelectedSeries: function () {
			return grep(this.series, function (serie) {
				return serie.selected;
			});
		},

		/**
		 * Generate stacks for each series and calculate stacks total values
		 */
		getStacks: function () {
			var chart = this;

			// reset stacks for each yAxis
			each(chart.yAxis, function (axis) {
				if (axis.stacks && axis.hasVisibleSeries) {
					axis.oldStacks = axis.stacks;
				}
			});

			each(chart.series, function (series) {
				if (series.options.stacking && (series.visible === true || chart.options.chart.ignoreHiddenSeries === false)) {
					series.stackKey = series.type + pick(series.options.stack, '');
				}
			});
		},	

		/**
		 * Show the title and subtitle of the chart
		 *
		 * @param titleOptions {Object} New title options
		 * @param subtitleOptions {Object} New subtitle options
		 *
		 */
		setTitle: function (titleOptions, subtitleOptions, redraw) {
			var chart = this,
				options = chart.options,
				chartTitleOptions,
				chartSubtitleOptions;

			chartTitleOptions = options.title = merge(options.title, titleOptions);
			chartSubtitleOptions = options.subtitle = merge(options.subtitle, subtitleOptions);

			// add title and subtitle
			each([
				['title', titleOptions, chartTitleOptions],
				['subtitle', subtitleOptions, chartSubtitleOptions]
			], function (arr) {
				var name = arr[0],
					title = chart[name],
					titleOptions = arr[1],
					chartTitleOptions = arr[2];

				if (title && titleOptions) {
					chart[name] = title = title.destroy(); // remove old
				}
				
				if (chartTitleOptions && chartTitleOptions.text && !title) {
					chart[name] = chart.renderer.text(
						chartTitleOptions.text,
						0,
						0,
						chartTitleOptions.useHTML
					)
					.attr({
						align: chartTitleOptions.align,
						'class': PREFIX + name,
						zIndex: chartTitleOptions.zIndex || 4
					})
					.css(chartTitleOptions.style)
					.add();
				}	
			});
			chart.layOutTitles(redraw);
		},

		/**
		 * Lay out the chart titles and cache the full offset height for use in getMargins
		 */
		layOutTitles: function (redraw) {
			var titleOffset = 0,
				title = this.title,
				subtitle = this.subtitle,
				options = this.options,
				titleOptions = options.title,
				subtitleOptions = options.subtitle,
				requiresDirtyBox,
				renderer = this.renderer,
				autoWidth = this.spacingBox.width - 44; // 44 makes room for default context button

			if (title) {
				title
					.css({ width: (titleOptions.width || autoWidth) + PX })
					.align(extend({ 
						y: renderer.fontMetrics(titleOptions.style.fontSize, title).b - 3
					}, titleOptions), false, 'spacingBox');
				
				if (!titleOptions.floating && !titleOptions.verticalAlign) {
					titleOffset = title.getBBox().height;
				}
			}
			if (subtitle) {
				subtitle
					.css({ width: (subtitleOptions.width || autoWidth) + PX })
					.align(extend({ 
						y: titleOffset + (titleOptions.margin - 13) + renderer.fontMetrics(titleOptions.style.fontSize, subtitle).b 
					}, subtitleOptions), false, 'spacingBox');
				
				if (!subtitleOptions.floating && !subtitleOptions.verticalAlign) {
					titleOffset = mathCeil(titleOffset + subtitle.getBBox().height);
				}
			}

			requiresDirtyBox = this.titleOffset !== titleOffset;				
			this.titleOffset = titleOffset; // used in getMargins

			if (!this.isDirtyBox && requiresDirtyBox) {
				this.isDirtyBox = requiresDirtyBox;
				// Redraw if necessary (#2719, #2744)		
				if (this.hasRendered && pick(redraw, true) && this.isDirtyBox) {
					this.redraw();
				}
			}
		},

		/**
		 * Get chart width and height according to options and container size
		 */
		getChartSize: function () {
			var chart = this,
				optionsChart = chart.options.chart,
				widthOption = optionsChart.width,
				heightOption = optionsChart.height,
				renderTo = chart.renderToClone || chart.renderTo;

			// get inner width and height from jQuery (#824)
			if (!defined(widthOption)) {
				chart.containerWidth = adapterRun(renderTo, 'width');
			}
			if (!defined(heightOption)) {
				chart.containerHeight = adapterRun(renderTo, 'height');
			}
			
			chart.chartWidth = mathMax(0, widthOption || chart.containerWidth || 600); // #1393, 1460
			chart.chartHeight = mathMax(0, pick(heightOption,
				// the offsetHeight of an empty container is 0 in standard browsers, but 19 in IE7:
				chart.containerHeight > 19 ? chart.containerHeight : 400));
		},

		/**
		 * Create a clone of the chart's renderTo div and place it outside the viewport to allow
		 * size computation on chart.render and chart.redraw
		 */
		cloneRenderTo: function (revert) {
			var clone = this.renderToClone,
				container = this.container;
			
			// Destroy the clone and bring the container back to the real renderTo div
			if (revert) {
				if (clone) {
					this.renderTo.appendChild(container);
					discardElement(clone);
					delete this.renderToClone;
				}
			
			// Set up the clone
			} else {
				if (container && container.parentNode === this.renderTo) {
					this.renderTo.removeChild(container); // do not clone this
				}
				this.renderToClone = clone = this.renderTo.cloneNode(0);
				css(clone, {
					position: ABSOLUTE,
					top: '-9999px',
					display: 'block' // #833
				});
				if (clone.style.setProperty) { // #2631
					clone.style.setProperty('display', 'block', 'important');
				}
				doc.body.appendChild(clone);
				if (container) {
					clone.appendChild(container);
				}
			}
		},

		/**
		 * Get the containing element, determine the size and create the inner container
		 * div to hold the chart
		 */
		getContainer: function () {
			var chart = this,
				container,
				optionsChart = chart.options.chart,
				chartWidth,
				chartHeight,
				renderTo,
				indexAttrName = 'data-highcharts-chart',
				oldChartIndex,
				containerId;

			chart.renderTo = renderTo = optionsChart.renderTo;
			containerId = PREFIX + idCounter++;

			if (isString(renderTo)) {
				chart.renderTo = renderTo = doc.getElementById(renderTo);
			}
			
			// Display an error if the renderTo is wrong
			if (!renderTo) {
				error(13, true);
			}
			
			// If the container already holds a chart, destroy it. The check for hasRendered is there
			// because web pages that are saved to disk from the browser, will preserve the data-highcharts-chart
			// attribute and the SVG contents, but not an interactive chart. So in this case,
			// charts[oldChartIndex] will point to the wrong chart if any (#2609).
			oldChartIndex = pInt(attr(renderTo, indexAttrName));
			if (!isNaN(oldChartIndex) && charts[oldChartIndex] && charts[oldChartIndex].hasRendered) {
				charts[oldChartIndex].destroy();
			}		
			
			// Make a reference to the chart from the div
			attr(renderTo, indexAttrName, chart.index);

			// remove previous chart
			renderTo.innerHTML = '';

			// If the container doesn't have an offsetWidth, it has or is a child of a node
			// that has display:none. We need to temporarily move it out to a visible
			// state to determine the size, else the legend and tooltips won't render
			// properly. The allowClone option is used in sparklines as a micro optimization,
			// saving about 1-2 ms each chart.
			if (!optionsChart.skipClone && !renderTo.offsetWidth) {
				chart.cloneRenderTo();
			}

			// get the width and height
			chart.getChartSize();
			chartWidth = chart.chartWidth;
			chartHeight = chart.chartHeight;

			// create the inner container
			chart.container = container = createElement(DIV, {
					className: PREFIX + 'container' +
						(optionsChart.className ? ' ' + optionsChart.className : ''),
					id: containerId
				}, extend({
					position: RELATIVE,
					overflow: HIDDEN, // needed for context menu (avoid scrollbars) and
						// content overflow in IE
					width: chartWidth + PX,
					height: chartHeight + PX,
					textAlign: 'left',
					lineHeight: 'normal', // #427
					zIndex: 0, // #1072
					'-webkit-tap-highlight-color': 'rgba(0,0,0,0)'
				}, optionsChart.style),
				chart.renderToClone || renderTo
			);

			// cache the cursor (#1650)
			chart._cursor = container.style.cursor;

			// Initialize the renderer
			chart.renderer =
				optionsChart.forExport ? // force SVG, used for SVG export
					new SVGRenderer(container, chartWidth, chartHeight, optionsChart.style, true) :
					new Renderer(container, chartWidth, chartHeight, optionsChart.style);

			if (useCanVG) {
				// If we need canvg library, extend and configure the renderer
				// to get the tracker for translating mouse events
				chart.renderer.create(chart, container, chartWidth, chartHeight);
			}
			// Add a reference to the charts index
			chart.renderer.chartIndex = chart.index;
		},

		/**
		 * Calculate margins by rendering axis labels in a preliminary position. Title,
		 * subtitle and legend have already been rendered at this stage, but will be
		 * moved into their final positions
		 */
		getMargins: function (skipAxes) {
			var chart = this,
				spacing = chart.spacing,
				margin = chart.margin,
				titleOffset = chart.titleOffset;

			chart.resetMargins();

			// Adjust for title and subtitle
			if (titleOffset && !defined(margin[0])) {
				chart.plotTop = mathMax(chart.plotTop, titleOffset + chart.options.title.margin + spacing[0]);
			}
			
			// Adjust for legend
			chart.legend.adjustMargins(margin, spacing);

			// adjust for scroller
			if (chart.extraBottomMargin) {
				chart.marginBottom += chart.extraBottomMargin;
			}
			if (chart.extraTopMargin) {
				chart.plotTop += chart.extraTopMargin;
			}
			if (!skipAxes) {
				this.getAxisMargins();
			}
		},

		getAxisMargins: function () {

			var chart = this,
				axisOffset = chart.axisOffset = [0, 0, 0, 0], // top, right, bottom, left
				margin = chart.margin;
			
			// pre-render axes to get labels offset width
			if (chart.hasCartesianSeries) {
				each(chart.axes, function (axis) {
					axis.getOffset();
				});
			}

			// Add the axis offsets
			each(marginNames, function (m, side) {
				if (!defined(margin[side])) {
					chart[m] += axisOffset[side];
				}		
			});

			chart.setChartSize();

		},

		/**
		 * Resize the chart to its container if size is not explicitly set
		 */
		reflow: function (e) {
			var chart = this,
				optionsChart = chart.options.chart,
				renderTo = chart.renderTo,
				width = optionsChart.width || adapterRun(renderTo, 'width'),
				height = optionsChart.height || adapterRun(renderTo, 'height'),
				target = e ? e.target : win, // #805 - MooTools doesn't supply e
				doReflow = function () {
					if (chart.container) { // It may have been destroyed in the meantime (#1257)
						chart.setSize(width, height, false);
						chart.hasUserSize = null;
					}
				};
				
			// Width and height checks for display:none. Target is doc in IE8 and Opera,
			// win in Firefox, Chrome and IE9.
			if (!chart.hasUserSize && !chart.isPrinting && width && height && (target === win || target === doc)) { // #1093
				if (width !== chart.containerWidth || height !== chart.containerHeight) {
					clearTimeout(chart.reflowTimeout);
					if (e) { // Called from window.resize
						chart.reflowTimeout = setTimeout(doReflow, 100);
					} else { // Called directly (#2224)
						doReflow();
					}
				}
				chart.containerWidth = width;
				chart.containerHeight = height;
			}
		},

		/**
		 * Add the event handlers necessary for auto resizing
		 */
		initReflow: function () {
			var chart = this,
				reflow = function (e) {
					chart.reflow(e);
				};
				
			
			addEvent(win, 'resize', reflow);
			addEvent(chart, 'destroy', function () {
				removeEvent(win, 'resize', reflow);
			});
		},

		/**
		 * Resize the chart to a given width and height
		 * @param {Number} width
		 * @param {Number} height
		 * @param {Object|Boolean} animation
		 */
		setSize: function (width, height, animation) {
			var chart = this,
				chartWidth,
				chartHeight,
				fireEndResize;

			// Handle the isResizing counter
			chart.isResizing += 1;
			fireEndResize = function () {
				if (chart) {
					fireEvent(chart, 'endResize', null, function () {
						chart.isResizing -= 1;
					});
				}
			};

			// set the animation for the current process
			setAnimation(animation, chart);

			chart.oldChartHeight = chart.chartHeight;
			chart.oldChartWidth = chart.chartWidth;
			if (defined(width)) {
				chart.chartWidth = chartWidth = mathMax(0, mathRound(width));
				chart.hasUserSize = !!chartWidth;
			}
			if (defined(height)) {
				chart.chartHeight = chartHeight = mathMax(0, mathRound(height));
			}

			// Resize the container with the global animation applied if enabled (#2503)
			(globalAnimation ? animate : css)(chart.container, {
				width: chartWidth + PX,
				height: chartHeight + PX
			}, globalAnimation);

			chart.setChartSize(true);
			chart.renderer.setSize(chartWidth, chartHeight, animation);

			// handle axes
			chart.maxTicks = null;
			each(chart.axes, function (axis) {
				axis.isDirty = true;
				axis.setScale();
			});

			// make sure non-cartesian series are also handled
			each(chart.series, function (serie) {
				serie.isDirty = true;
			});

			chart.isDirtyLegend = true; // force legend redraw
			chart.isDirtyBox = true; // force redraw of plot and chart border

			chart.layOutTitles(); // #2857
			chart.getMargins();

			chart.redraw(animation);


			chart.oldChartHeight = null;
			fireEvent(chart, 'resize');

			// fire endResize and set isResizing back
			// If animation is disabled, fire without delay
			if (globalAnimation === false) {
				fireEndResize();
			} else { // else set a timeout with the animation duration
				setTimeout(fireEndResize, (globalAnimation && globalAnimation.duration) || 500);
			}
		},

		/**
		 * Set the public chart properties. This is done before and after the pre-render
		 * to determine margin sizes
		 */
		setChartSize: function (skipAxes) {
			var chart = this,
				inverted = chart.inverted,
				renderer = chart.renderer,
				chartWidth = chart.chartWidth,
				chartHeight = chart.chartHeight,
				optionsChart = chart.options.chart,
				spacing = chart.spacing,
				clipOffset = chart.clipOffset,
				clipX,
				clipY,
				plotLeft,
				plotTop,
				plotWidth,
				plotHeight,
				plotBorderWidth;

			chart.plotLeft = plotLeft = mathRound(chart.plotLeft);
			chart.plotTop = plotTop = mathRound(chart.plotTop);
			chart.plotWidth = plotWidth = mathMax(0, mathRound(chartWidth - plotLeft - chart.marginRight));
			chart.plotHeight = plotHeight = mathMax(0, mathRound(chartHeight - plotTop - chart.marginBottom));

			chart.plotSizeX = inverted ? plotHeight : plotWidth;
			chart.plotSizeY = inverted ? plotWidth : plotHeight;
			
			chart.plotBorderWidth = optionsChart.plotBorderWidth || 0;

			// Set boxes used for alignment
			chart.spacingBox = renderer.spacingBox = {
				x: spacing[3],
				y: spacing[0],
				width: chartWidth - spacing[3] - spacing[1],
				height: chartHeight - spacing[0] - spacing[2]
			};
			chart.plotBox = renderer.plotBox = {
				x: plotLeft,
				y: plotTop,
				width: plotWidth,
				height: plotHeight
			};

			plotBorderWidth = 2 * mathFloor(chart.plotBorderWidth / 2);
			clipX = mathCeil(mathMax(plotBorderWidth, clipOffset[3]) / 2);
			clipY = mathCeil(mathMax(plotBorderWidth, clipOffset[0]) / 2);
			chart.clipBox = {
				x: clipX, 
				y: clipY, 
				width: mathFloor(chart.plotSizeX - mathMax(plotBorderWidth, clipOffset[1]) / 2 - clipX), 
				height: mathMax(0, mathFloor(chart.plotSizeY - mathMax(plotBorderWidth, clipOffset[2]) / 2 - clipY))
			};

			if (!skipAxes) {
				each(chart.axes, function (axis) {
					axis.setAxisSize();
					axis.setAxisTranslation();
				});
			}
		},

		/**
		 * Initial margins before auto size margins are applied
		 */
		resetMargins: function () {
			var chart = this;

			each(marginNames, function (m, side) {
				chart[m] = pick(chart.margin[side], chart.spacing[side]);
			});
			chart.axisOffset = [0, 0, 0, 0]; // top, right, bottom, left
			chart.clipOffset = [0, 0, 0, 0];
		},

		/**
		 * Draw the borders and backgrounds for chart and plot area
		 */
		drawChartBox: function () {
			var chart = this,
				optionsChart = chart.options.chart,
				renderer = chart.renderer,
				chartWidth = chart.chartWidth,
				chartHeight = chart.chartHeight,
				chartBackground = chart.chartBackground,
				plotBackground = chart.plotBackground,
				plotBorder = chart.plotBorder,
				plotBGImage = chart.plotBGImage,
				chartBorderWidth = optionsChart.borderWidth || 0,
				chartBackgroundColor = optionsChart.backgroundColor,
				plotBackgroundColor = optionsChart.plotBackgroundColor,
				plotBackgroundImage = optionsChart.plotBackgroundImage,
				plotBorderWidth = optionsChart.plotBorderWidth || 0,
				mgn,
				bgAttr,
				plotLeft = chart.plotLeft,
				plotTop = chart.plotTop,
				plotWidth = chart.plotWidth,
				plotHeight = chart.plotHeight,
				plotBox = chart.plotBox,
				clipRect = chart.clipRect,
				clipBox = chart.clipBox;

			// Chart area
			mgn = chartBorderWidth + (optionsChart.shadow ? 8 : 0);

			if (chartBorderWidth || chartBackgroundColor) {
				if (!chartBackground) {
					
					bgAttr = {
						fill: chartBackgroundColor || NONE
					};
					if (chartBorderWidth) { // #980
						bgAttr.stroke = optionsChart.borderColor;
						bgAttr['stroke-width'] = chartBorderWidth;
					}
					chart.chartBackground = renderer.rect(mgn / 2, mgn / 2, chartWidth - mgn, chartHeight - mgn,
							optionsChart.borderRadius, chartBorderWidth)
						.attr(bgAttr)
						.addClass(PREFIX + 'background')
						.add()
						.shadow(optionsChart.shadow);

				} else { // resize
					chartBackground.animate(
						chartBackground.crisp({ width: chartWidth - mgn, height: chartHeight - mgn })
					);
				}
			}


			// Plot background
			if (plotBackgroundColor) {
				if (!plotBackground) {
					chart.plotBackground = renderer.rect(plotLeft, plotTop, plotWidth, plotHeight, 0)
						.attr({
							fill: plotBackgroundColor
						})
						.add()
						.shadow(optionsChart.plotShadow);
				} else {
					plotBackground.animate(plotBox);
				}
			}
			if (plotBackgroundImage) {
				if (!plotBGImage) {
					chart.plotBGImage = renderer.image(plotBackgroundImage, plotLeft, plotTop, plotWidth, plotHeight)
						.add();
				} else {
					plotBGImage.animate(plotBox);
				}
			}
			
			// Plot clip
			if (!clipRect) {
				chart.clipRect = renderer.clipRect(clipBox);
			} else {
				clipRect.animate({
					width: clipBox.width,
					height: clipBox.height
				});
			}

			// Plot area border
			if (plotBorderWidth) {
				if (!plotBorder) {
					chart.plotBorder = renderer.rect(plotLeft, plotTop, plotWidth, plotHeight, 0, -plotBorderWidth)
						.attr({
							stroke: optionsChart.plotBorderColor,
							'stroke-width': plotBorderWidth,
							fill: NONE,
							zIndex: 1
						})
						.add();
				} else {
					plotBorder.animate(
						plotBorder.crisp({ x: plotLeft, y: plotTop, width: plotWidth, height: plotHeight, strokeWidth: -plotBorderWidth }) //#3282 plotBorder should be negative
					);
				}
			}

			// reset
			chart.isDirtyBox = false;
		},

		/**
		 * Detect whether a certain chart property is needed based on inspecting its options
		 * and series. This mainly applies to the chart.invert property, and in extensions to 
		 * the chart.angular and chart.polar properties.
		 */
		propFromSeries: function () {
			var chart = this,
				optionsChart = chart.options.chart,
				klass,
				seriesOptions = chart.options.series,
				i,
				value;
				
				
			each(['inverted', 'angular', 'polar'], function (key) {
				
				// The default series type's class
				klass = seriesTypes[optionsChart.type || optionsChart.defaultSeriesType];
				
				// Get the value from available chart-wide properties
				value = (
					chart[key] || // 1. it is set before
					optionsChart[key] || // 2. it is set in the options
					(klass && klass.prototype[key]) // 3. it's default series class requires it
				);
		
				// 4. Check if any the chart's series require it
				i = seriesOptions && seriesOptions.length;
				while (!value && i--) {
					klass = seriesTypes[seriesOptions[i].type];
					if (klass && klass.prototype[key]) {
						value = true;
					}
				}
		
				// Set the chart property
				chart[key] = value;	
			});
			
		},

		/**
		 * Link two or more series together. This is done initially from Chart.render,
		 * and after Chart.addSeries and Series.remove.
		 */
		linkSeries: function () {
			var chart = this,
				chartSeries = chart.series;

			// Reset links
			each(chartSeries, function (series) {
				series.linkedSeries.length = 0;
			});

			// Apply new links
			each(chartSeries, function (series) {
				var linkedTo = series.options.linkedTo;
				if (isString(linkedTo)) {
					if (linkedTo === ':previous') {
						linkedTo = chart.series[series.index - 1];
					} else {
						linkedTo = chart.get(linkedTo);
					}
					if (linkedTo) {
						linkedTo.linkedSeries.push(series);
						series.linkedParent = linkedTo;
					}
				}
			});
		},

		/**
		 * Render series for the chart
		 */
		renderSeries: function () {
			each(this.series, function (serie) {
				serie.translate();
				serie.render();
			});
		},
			
		/**
		 * Render labels for the chart
		 */
		renderLabels: function () {
			var chart = this,
				labels = chart.options.labels;
			if (labels.items) {
				each(labels.items, function (label) {
					var style = extend(labels.style, label.style),
						x = pInt(style.left) + chart.plotLeft,
						y = pInt(style.top) + chart.plotTop + 12;

					// delete to prevent rewriting in IE
					delete style.left;
					delete style.top;

					chart.renderer.text(
						label.html,
						x,
						y
					)
					.attr({ zIndex: 2 })
					.css(style)
					.add();

				});
			}
		},

		/**
		 * Render all graphics for the chart
		 */
		render: function () {
			var chart = this,
				axes = chart.axes,
				renderer = chart.renderer,
				options = chart.options,
				tempWidth,
				tempHeight,
				redoHorizontal,
				redoVertical;

			// Title
			chart.setTitle();


			// Legend
			chart.legend = new Legend(chart, options.legend);

			chart.getStacks(); // render stacks

			// Get chart margins
			chart.getMargins(true);
			chart.setChartSize();

			// Record preliminary dimensions for later comparison
			tempWidth = chart.plotWidth;
			tempHeight = chart.plotHeight = chart.plotHeight - 13; // 13 is the most common height of X axis labels

			// Get margins by pre-rendering axes
			each(axes, function (axis) {
				axis.setScale();
			});
			chart.getAxisMargins();

			// If the plot area size has changed significantly, calculate tick positions again
			redoHorizontal = tempWidth / chart.plotWidth > 1.1;
			redoVertical = tempHeight / chart.plotHeight > 1.1;

			if (redoHorizontal || redoVertical) {

				chart.maxTicks = null; // reset for second pass
				each(axes, function (axis) {
					if ((axis.horiz && redoHorizontal) || (!axis.horiz && redoVertical)) {
						axis.setTickInterval(true); // update to reflect the new margins
					}
				});
				chart.getMargins(); // second pass to check for new labels
			}

			// Draw the borders and backgrounds
			chart.drawChartBox();		


			// Axes
			if (chart.hasCartesianSeries) {
				each(axes, function (axis) {
					axis.render();
				});
			}

			// The series
			if (!chart.seriesGroup) {
				chart.seriesGroup = renderer.g('series-group')
					.attr({ zIndex: 3 })
					.add();
			}
			chart.renderSeries();

			// Labels
			chart.renderLabels();

			// Credits
			chart.showCredits(options.credits);

			// Set flag
			chart.hasRendered = true;

		},

		/**
		 * Show chart credits based on config options
		 */
		showCredits: function (credits) {
			if (credits.enabled && !this.credits) {
				this.credits = this.renderer.text(
					credits.text,
					0,
					0
				)
				.on('click', function () {
					if (credits.href) {
						location.href = credits.href;
					}
				})
				.attr({
					align: credits.position.align,
					zIndex: 8
				})
				.css(credits.style)
				.add()
				.align(credits.position);
			}
		},

		/**
		 * Clean up memory usage
		 */
		destroy: function () {
			var chart = this,
				axes = chart.axes,
				series = chart.series,
				container = chart.container,
				i,
				parentNode = container && container.parentNode;
				
			// fire the chart.destoy event
			fireEvent(chart, 'destroy');
			
			// Delete the chart from charts lookup array
			charts[chart.index] = UNDEFINED;
			chartCount--;
			chart.renderTo.removeAttribute('data-highcharts-chart');

			// remove events
			removeEvent(chart);

			// ==== Destroy collections:
			// Destroy axes
			i = axes.length;
			while (i--) {
				axes[i] = axes[i].destroy();
			}

			// Destroy each series
			i = series.length;
			while (i--) {
				series[i] = series[i].destroy();
			}

			// ==== Destroy chart properties:
			each(['title', 'subtitle', 'chartBackground', 'plotBackground', 'plotBGImage', 
					'plotBorder', 'seriesGroup', 'clipRect', 'credits', 'pointer', 'scroller', 
					'rangeSelector', 'legend', 'resetZoomButton', 'tooltip', 'renderer'], function (name) {
				var prop = chart[name];

				if (prop && prop.destroy) {
					chart[name] = prop.destroy();
				}
			});

			// remove container and all SVG
			if (container) { // can break in IE when destroyed before finished loading
				container.innerHTML = '';
				removeEvent(container);
				if (parentNode) {
					discardElement(container);
				}

			}

			// clean it all up
			for (i in chart) {
				delete chart[i];
			}

		},


		/**
		 * VML namespaces can't be added until after complete. Listening
		 * for Perini's doScroll hack is not enough.
		 */
		isReadyToRender: function () {
			var chart = this;

			// Note: in spite of JSLint's complaints, win == win.top is required
			/*jslint eqeq: true*/
			if ((!hasSVG && (win == win.top && doc.readyState !== 'complete')) || (useCanVG && !win.canvg)) {
			/*jslint eqeq: false*/
				if (useCanVG) {
					// Delay rendering until canvg library is downloaded and ready
					CanVGController.push(function () { chart.firstRender(); }, chart.options.global.canvasToolsURL);
				} else {
					doc.attachEvent('onreadystatechange', function () {
						doc.detachEvent('onreadystatechange', chart.firstRender);
						if (doc.readyState === 'complete') {
							chart.firstRender();
						}
					});
				}
				return false;
			}
			return true;
		},

		/**
		 * Prepare for first rendering after all data are loaded
		 */
		firstRender: function () {
			var chart = this,
				options = chart.options,
				callback = chart.callback;

			// Check whether the chart is ready to render
			if (!chart.isReadyToRender()) {
				return;
			}

			// Create the container
			chart.getContainer();

			// Run an early event after the container and renderer are established
			fireEvent(chart, 'init');

			
			chart.resetMargins();
			chart.setChartSize();

			// Set the common chart properties (mainly invert) from the given series
			chart.propFromSeries();

			// get axes
			chart.getAxes();

			// Initialize the series
			each(options.series || [], function (serieOptions) {
				chart.initSeries(serieOptions);
			});

			chart.linkSeries();

			// Run an event after axes and series are initialized, but before render. At this stage,
			// the series data is indexed and cached in the xData and yData arrays, so we can access
			// those before rendering. Used in Highstock. 
			fireEvent(chart, 'beforeRender'); 

			// depends on inverted and on margins being set
			if (Highcharts.Pointer) {
				chart.pointer = new Pointer(chart, options);
			}

			chart.render();

			// add canvas
			chart.renderer.draw();
			// run callbacks
			if (callback) {
				callback.apply(chart, [chart]);
			}
			each(chart.callbacks, function (fn) {
				if (chart.index !== UNDEFINED) { // Chart destroyed in its own callback (#3600)
					fn.apply(chart, [chart]);
				}
			});
			
			// Fire the load event
			fireEvent(chart, 'load');		
			
			// If the chart was rendered outside the top container, put it back in (#3679)
			chart.cloneRenderTo(true);

		},

		/**
		* Creates arrays for spacing and margin from given options.
		*/
		splashArray: function (target, options) {
			var oVar = options[target],
				tArray = isObject(oVar) ? oVar : [oVar, oVar, oVar, oVar];

			return [pick(options[target + 'Top'], tArray[0]),
					pick(options[target + 'Right'], tArray[1]),
					pick(options[target + 'Bottom'], tArray[2]),
					pick(options[target + 'Left'], tArray[3])];
		}
	}; // end Chart

	var CenteredSeriesMixin = Highcharts.CenteredSeriesMixin = {
		/**
		 * Get the center of the pie based on the size and center options relative to the  
		 * plot area. Borrowed by the polar and gauge series types.
		 */
		getCenter: function (size) {
			
			var options = this.options,
				chart = this.chart,
				slicingRoom = 2 * (options.slicedOffset || 0),
				handleSlicingRoom,
				plotWidth = chart.plotWidth - 2 * slicingRoom,
				plotHeight = chart.plotHeight - 2 * slicingRoom,
				centerOption = options.center,
				positions = [pick(centerOption[0], '50%'), pick(centerOption[1], '50%'), options.size || '100%', options.innerSize || 0],
				smallestSize = mathMin(plotWidth, plotHeight),
				isPercent,
				i,
				value;

			for (i = 0; i < 4; ++i) {
				value = positions[i];
				isPercent = /%$/.test(value);
				handleSlicingRoom = i < 2 || (i === 2 && isPercent);
				positions[i] = (isPercent ?
					// i == 0: centerX, relative to width
					// i == 1: centerY, relative to height
					// i == 2: size, relative to smallestSize
					// i == 3: innerSize, relative to size
					[plotWidth, plotHeight, smallestSize, positions[2]][i] * pInt(value) / 100 :
									
					pInt(value)) + (handleSlicingRoom ? slicingRoom : 0);

				// If the size is set, we're in a recursive loop trying to fit data labels.
				// The inner size must follow (#2077)
				if (i === 2 && size) {
					positions[i] = size;
				}
			}
			return positions;
		}
	};

	/**
	 * The Point object and prototype. Inheritable and used as base for PiePoint
	 */
	var Point = function () {};
	Point.prototype = {

		/**
		 * Initialize the point
		 * @param {Object} series The series object containing this point
		 * @param {Object} options The data in either number, array or object format
		 */
		init: function (series, options, x) {

			var point = this,
				colors;
			point.series = series;
			point.color = series.color; // #3445
			point.applyOptions(options, x);
			point.pointAttr = {};

			if (series.options.colorByPoint) {
				colors = series.options.colors || series.chart.options.colors;
				point.color = point.color || colors[series.colorCounter++];
				// loop back to zero
				if (series.colorCounter === colors.length) {
					series.colorCounter = 0;
				}
			}

			series.chart.pointCount++;
			return point;
		},
		/**
		 * Apply the options containing the x and y data and possible some extra properties.
		 * This is called on point init or from point.update.
		 *
		 * @param {Object} options
		 */
		applyOptions: function (options, x) {
			var point = this,
				series = point.series,
				pointValKey = series.options.pointValKey || series.pointValKey;

			options = Point.prototype.optionsToObject.call(this, options);

			// copy options directly to point
			extend(point, options);
			point.options = point.options ? extend(point.options, options) : options;

			// For higher dimension series types. For instance, for ranges, point.y is mapped to point.low.
			if (pointValKey) {
				point.y = point[pointValKey];
			}

			// If no x is set by now, get auto incremented value. All points must have an
			// x value, however the y value can be null to create a gap in the series
			if (point.x === UNDEFINED && series) {
				point.x = x === UNDEFINED ? series.autoIncrement() : x;
			}

			return point;
		},

		/**
		 * Transform number or array configs into objects
		 */
		optionsToObject: function (options) {
			var ret = {},
				series = this.series,
				keys = series.options.keys, // docs: http://jsfiddle.net/ch4v7n8v/1
				pointArrayMap = keys || series.pointArrayMap || ['y'],
				valueCount = pointArrayMap.length,
				firstItemType,
				i = 0,
				j = 0;

			if (typeof options === 'number' || options === null) {
				ret[pointArrayMap[0]] = options;

			} else if (isArray(options)) {
				// with leading x value
				if (!keys && options.length > valueCount) {
					firstItemType = typeof options[0];
					if (firstItemType === 'string') {
						ret.name = options[0];
					} else if (firstItemType === 'number') {
						ret.x = options[0];
					}
					i++;
				}
				while (j < valueCount) {
					ret[pointArrayMap[j++]] = options[i++];
				}
			} else if (typeof options === 'object') {
				ret = options;

				// This is the fastest way to detect if there are individual point dataLabels that need
				// to be considered in drawDataLabels. These can only occur in object configs.
				if (options.dataLabels) {
					series._hasPointLabels = true;
				}

				// Same approach as above for markers
				if (options.marker) {
					series._hasPointMarkers = true;
				}
			}
			return ret;
		},

		/**
		 * Destroy a point to clear memory. Its reference still stays in series.data.
		 */
		destroy: function () {
			var point = this,
				series = point.series,
				chart = series.chart,
				hoverPoints = chart.hoverPoints,
				prop;

			chart.pointCount--;

			if (hoverPoints) {
				point.setState();
				erase(hoverPoints, point);
				if (!hoverPoints.length) {
					chart.hoverPoints = null;
				}

			}
			if (point === chart.hoverPoint) {
				point.onMouseOut();
			}

			// remove all events
			if (point.graphic || point.dataLabel) { // removeEvent and destroyElements are performance expensive
				removeEvent(point);
				point.destroyElements();
			}

			if (point.legendItem) { // pies have legend items
				chart.legend.destroyItem(point);
			}

			for (prop in point) {
				point[prop] = null;
			}


		},

		/**
		 * Destroy SVG elements associated with the point
		 */
		destroyElements: function () {
			var point = this,
				props = ['graphic', 'dataLabel', 'dataLabelUpper', 'group', 'connector', 'shadowGroup'],
				prop,
				i = 6;
			while (i--) {
				prop = props[i];
				if (point[prop]) {
					point[prop] = point[prop].destroy();
				}
			}
		},

		/**
		 * Return the configuration hash needed for the data label and tooltip formatters
		 */
		getLabelConfig: function () {
			var point = this;
			return {
				x: point.category,
				y: point.y,
				key: point.name || point.category,
				series: point.series,
				point: point,
				percentage: point.percentage,
				total: point.total || point.stackTotal
			};
		},	

		/**
		 * Extendable method for formatting each point's tooltip line
		 *
		 * @return {String} A string to be concatenated in to the common tooltip text
		 */
		tooltipFormatter: function (pointFormat) {

			// Insert options for valueDecimals, valuePrefix, and valueSuffix
			var series = this.series,
				seriesTooltipOptions = series.tooltipOptions,
				valueDecimals = pick(seriesTooltipOptions.valueDecimals, ''),
				valuePrefix = seriesTooltipOptions.valuePrefix || '',
				valueSuffix = seriesTooltipOptions.valueSuffix || '';

			// Loop over the point array map and replace unformatted values with sprintf formatting markup
			each(series.pointArrayMap || ['y'], function (key) {
				key = '{point.' + key; // without the closing bracket
				if (valuePrefix || valueSuffix) {
					pointFormat = pointFormat.replace(key + '}', valuePrefix + key + '}' + valueSuffix);
				}
				pointFormat = pointFormat.replace(key + '}', key + ':,.' + valueDecimals + 'f}');
			});

			return format(pointFormat, {
				point: this,
				series: this.series
			});
		},

		/**
		 * Fire an event on the Point object. Must not be renamed to fireEvent, as this
		 * causes a name clash in MooTools
		 * @param {String} eventType
		 * @param {Object} eventArgs Additional event arguments
		 * @param {Function} defaultFunction Default event handler
		 */
		firePointEvent: function (eventType, eventArgs, defaultFunction) {
			var point = this,
				series = this.series,
				seriesOptions = series.options;

			// load event handlers on demand to save time on mouseover/out
			if (seriesOptions.point.events[eventType] || (point.options && point.options.events && point.options.events[eventType])) {
				this.importEvents();
			}

			// add default handler if in selection mode
			if (eventType === 'click' && seriesOptions.allowPointSelect) {
				defaultFunction = function (event) {
					// Control key is for Windows, meta (= Cmd key) for Mac, Shift for Opera
					point.select(null, event.ctrlKey || event.metaKey || event.shiftKey);
				};
			}

			fireEvent(this, eventType, eventArgs, defaultFunction);
		}
	};/**
	 * @classDescription The base function which all other series types inherit from. The data in the series is stored
	 * in various arrays.
	 *
	 * - First, series.options.data contains all the original config options for
	 * each point whether added by options or methods like series.addPoint.
	 * - Next, series.data contains those values converted to points, but in case the series data length
	 * exceeds the cropThreshold, or if the data is grouped, series.data doesn't contain all the points. It
	 * only contains the points that have been created on demand.
	 * - Then there's series.points that contains all currently visible point objects. In case of cropping,
	 * the cropped-away points are not part of this array. The series.points array starts at series.cropStart
	 * compared to series.data and series.options.data. If however the series data is grouped, these can't
	 * be correlated one to one.
	 * - series.xData and series.processedXData contain clean x values, equivalent to series.data and series.points.
	 * - series.yData and series.processedYData contain clean x values, equivalent to series.data and series.points.
	 *
	 * @param {Object} chart
	 * @param {Object} options
	 */
	var Series = Highcharts.Series = function () {};

	Series.prototype = {

		isCartesian: true,
		type: 'line',
		pointClass: Point,
		sorted: true, // requires the data to be sorted
		requireSorting: true,
		pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
			stroke: 'lineColor',
			'stroke-width': 'lineWidth',
			fill: 'fillColor',
			r: 'radius'
		},
		axisTypes: ['xAxis', 'yAxis'],
		colorCounter: 0,
		parallelArrays: ['x', 'y'], // each point's x and y values are stored in this.xData and this.yData
		init: function (chart, options) {
			var series = this,
				eventType,
				events,
				chartSeries = chart.series,
				sortByIndex = function (a, b) {
					return pick(a.options.index, a._i) - pick(b.options.index, b._i);
				};

			series.chart = chart;
			series.options = options = series.setOptions(options); // merge with plotOptions
			series.linkedSeries = [];

			// bind the axes
			series.bindAxes();

			// set some variables
			extend(series, {
				name: options.name,
				state: NORMAL_STATE,
				pointAttr: {},
				visible: options.visible !== false, // true by default
				selected: options.selected === true // false by default
			});

			// special
			if (useCanVG) {
				options.animation = false;
			}

			// register event listeners
			events = options.events;
			for (eventType in events) {
				addEvent(series, eventType, events[eventType]);
			}
			if (
				(events && events.click) ||
				(options.point && options.point.events && options.point.events.click) ||
				options.allowPointSelect
			) {
				chart.runTrackerClick = true;
			}

			series.getColor();
			series.getSymbol();

			// Set the data
			each(series.parallelArrays, function (key) {
				series[key + 'Data'] = [];
			});
			series.setData(options.data, false);

			// Mark cartesian
			if (series.isCartesian) {
				chart.hasCartesianSeries = true;
			}

			// Register it in the chart
			chartSeries.push(series);
			series._i = chartSeries.length - 1;

			// Sort series according to index option (#248, #1123, #2456)
			stableSort(chartSeries, sortByIndex);
			if (this.yAxis) {
				stableSort(this.yAxis.series, sortByIndex);
			}

			each(chartSeries, function (series, i) {
				series.index = i;
				series.name = series.name || 'Series ' + (i + 1);
			});

		},

		/**
		 * Set the xAxis and yAxis properties of cartesian series, and register the series
		 * in the axis.series array
		 */
		bindAxes: function () {
			var series = this,
				seriesOptions = series.options,
				chart = series.chart,
				axisOptions;

			each(series.axisTypes || [], function (AXIS) { // repeat for xAxis and yAxis

				each(chart[AXIS], function (axis) { // loop through the chart's axis objects
					axisOptions = axis.options;

					// apply if the series xAxis or yAxis option mathches the number of the
					// axis, or if undefined, use the first axis
					if ((seriesOptions[AXIS] === axisOptions.index) ||
							(seriesOptions[AXIS] !== UNDEFINED && seriesOptions[AXIS] === axisOptions.id) ||
							(seriesOptions[AXIS] === UNDEFINED && axisOptions.index === 0)) {

						// register this series in the axis.series lookup
						axis.series.push(series);

						// set this series.xAxis or series.yAxis reference
						series[AXIS] = axis;

						// mark dirty for redraw
						axis.isDirty = true;
					}
				});

				// The series needs an X and an Y axis
				if (!series[AXIS] && series.optionalAxis !== AXIS) {
					error(18, true);
				}

			});
		},

		/**
		 * For simple series types like line and column, the data values are held in arrays like
		 * xData and yData for quick lookup to find extremes and more. For multidimensional series
		 * like bubble and map, this can be extended with arrays like zData and valueData by
		 * adding to the series.parallelArrays array.
		 */
		updateParallelArrays: function (point, i) {
			var series = point.series,
				args = arguments,
				fn = typeof i === 'number' ?
					 // Insert the value in the given position
					function (key) {
						var val = key === 'y' && series.toYData ? series.toYData(point) : point[key];
						series[key + 'Data'][i] = val;
					} :
					// Apply the method specified in i with the following arguments as arguments
					function (key) {
						Array.prototype[i].apply(series[key + 'Data'], Array.prototype.slice.call(args, 2));
					};

			each(series.parallelArrays, fn);
		},

		/**
		 * Return an auto incremented x value based on the pointStart and pointInterval options.
		 * This is only used if an x value is not given for the point that calls autoIncrement.
		 */
		autoIncrement: function () {

			var options = this.options,
				xIncrement = this.xIncrement,
				date,
				pointInterval,
				pointIntervalUnit = options.pointIntervalUnit;
			
			xIncrement = pick(xIncrement, options.pointStart, 0);
			
			this.pointInterval = pointInterval = pick(this.pointInterval, options.pointInterval, 1);
			
			// Added code for pointInterval strings
			if (pointIntervalUnit === 'month' || pointIntervalUnit === 'year') {
				date = new Date(xIncrement);
				date = (pointIntervalUnit === 'month') ?
					+date[setMonth](date[getMonth]() + pointInterval) :
					+date[setFullYear](date[getFullYear]() + pointInterval);
				pointInterval = date - xIncrement;
			}
			
			this.xIncrement = xIncrement + pointInterval;
			return xIncrement;
		},

		/**
		 * Divide the series data into segments divided by null values.
		 */
		getSegments: function () {
			var series = this,
				lastNull = -1,
				segments = [],
				i,
				points = series.points,
				pointsLength = points.length;

			if (pointsLength) { // no action required for []

				// if connect nulls, just remove null points
				if (series.options.connectNulls) {
					i = pointsLength;
					while (i--) {
						if (points[i].y === null) {
							points.splice(i, 1);
						}
					}
					if (points.length) {
						segments = [points];
					}

				// else, split on null points
				} else {
					each(points, function (point, i) {
						if (point.y === null) {
							if (i > lastNull + 1) {
								segments.push(points.slice(lastNull + 1, i));
							}
							lastNull = i;
						} else if (i === pointsLength - 1) { // last value
							segments.push(points.slice(lastNull + 1, i + 1));
						}
					});
				}
			}

			// register it
			series.segments = segments;
		},

		/**
		 * Set the series options by merging from the options tree
		 * @param {Object} itemOptions
		 */
		setOptions: function (itemOptions) {
			var chart = this.chart,
				chartOptions = chart.options,
				plotOptions = chartOptions.plotOptions,
				userOptions = chart.userOptions || {},
				userPlotOptions = userOptions.plotOptions || {},
				typeOptions = plotOptions[this.type],
				options,
				zones;

			this.userOptions = itemOptions;

			// General series options take precedence over type options because otherwise, default
			// type options like column.animation would be overwritten by the general option.
			// But issues have been raised here (#3881), and the solution may be to distinguish 
			// between default option and userOptions like in the tooltip below.
			options = merge(
				typeOptions,
				plotOptions.series,
				itemOptions
			);

			// The tooltip options are merged between global and series specific options
			this.tooltipOptions = merge(
				defaultOptions.tooltip,
				defaultOptions.plotOptions[this.type].tooltip,
				userOptions.tooltip,
				userPlotOptions.series && userPlotOptions.series.tooltip,
				userPlotOptions[this.type] && userPlotOptions[this.type].tooltip,
				itemOptions.tooltip
			);

			// Delete marker object if not allowed (#1125)
			if (typeOptions.marker === null) {
				delete options.marker;
			}

			// Handle color zones
			this.zoneAxis = options.zoneAxis;
			zones = this.zones = (options.zones || []).slice();
			if ((options.negativeColor || options.negativeFillColor) && !options.zones) {
				zones.push({
					value: options[this.zoneAxis + 'Threshold'] || options.threshold || 0,
					color: options.negativeColor,
					fillColor: options.negativeFillColor
				});
			}
			if (zones.length) { // Push one extra zone for the rest
				if (defined(zones[zones.length - 1].value)) {
					zones.push({
						color: this.color,
						fillColor: this.fillColor
					});
				}
			}
			return options;
		},

		getCyclic: function (prop, value, defaults) {
			var i,
				userOptions = this.userOptions,
				indexName = '_' + prop + 'Index',
				counterName = prop + 'Counter';

			if (!value) {
				if (defined(userOptions[indexName])) { // after Series.update()
					i = userOptions[indexName];
				} else {
					userOptions[indexName] = i = this.chart[counterName] % defaults.length;
					this.chart[counterName] += 1;
				}
				value = defaults[i];
			}
			this[prop] = value;
		},

		/**
		 * Get the series' color
		 */
		getColor: function () {
			if (!this.options.colorByPoint) {
				this.getCyclic('color', this.options.color || defaultPlotOptions[this.type].color, this.chart.options.colors);
			}
		},
		/**
		 * Get the series' symbol
		 */
		getSymbol: function () {
			var seriesMarkerOption = this.options.marker;

			this.getCyclic('symbol', seriesMarkerOption.symbol, this.chart.options.symbols);

			// don't substract radius in image symbols (#604)
			if (/^url/.test(this.symbol)) {
				seriesMarkerOption.radius = 0;
			}
		},

		drawLegendSymbol: LegendSymbolMixin.drawLineMarker,

		/**
		 * Replace the series data with a new set of data
		 * @param {Object} data
		 * @param {Object} redraw
		 */
		setData: function (data, redraw, animation, updatePoints) {
			var series = this,
				oldData = series.points,
				oldDataLength = (oldData && oldData.length) || 0,
				dataLength,
				options = series.options,
				chart = series.chart,
				firstPoint = null,
				xAxis = series.xAxis,
				hasCategories = xAxis && !!xAxis.categories,
				i,
				turboThreshold = options.turboThreshold,
				pt,
				xData = this.xData,
				yData = this.yData,
				pointArrayMap = series.pointArrayMap,
				valueCount = pointArrayMap && pointArrayMap.length;

			data = data || [];
			dataLength = data.length;
			redraw = pick(redraw, true);

			// If the point count is the same as is was, just run Point.update which is
			// cheaper, allows animation, and keeps references to points.
			if (updatePoints !== false && dataLength && oldDataLength === dataLength && !series.cropped && !series.hasGroupedData && series.visible) {
				each(data, function (point, i) {
					oldData[i].update(point, false, null, false);
				});

			} else {

				// Reset properties
				series.xIncrement = null;
				series.pointRange = hasCategories ? 1 : options.pointRange;

				series.colorCounter = 0; // for series with colorByPoint (#1547)
				
				// Update parallel arrays
				each(this.parallelArrays, function (key) {
					series[key + 'Data'].length = 0;
				});

				// In turbo mode, only one- or twodimensional arrays of numbers are allowed. The
				// first value is tested, and we assume that all the rest are defined the same
				// way. Although the 'for' loops are similar, they are repeated inside each
				// if-else conditional for max performance.
				if (turboThreshold && dataLength > turboThreshold) {

					// find the first non-null point
					i = 0;
					while (firstPoint === null && i < dataLength) {
						firstPoint = data[i];
						i++;
					}


					if (isNumber(firstPoint)) { // assume all points are numbers
						var x = pick(options.pointStart, 0),
							pointInterval = pick(options.pointInterval, 1);

						for (i = 0; i < dataLength; i++) {
							xData[i] = x;
							yData[i] = data[i];
							x += pointInterval;
						}
						series.xIncrement = x;
					} else if (isArray(firstPoint)) { // assume all points are arrays
						if (valueCount) { // [x, low, high] or [x, o, h, l, c]
							for (i = 0; i < dataLength; i++) {
								pt = data[i];
								xData[i] = pt[0];
								yData[i] = pt.slice(1, valueCount + 1);
							}
						} else { // [x, y]
							for (i = 0; i < dataLength; i++) {
								pt = data[i];
								xData[i] = pt[0];
								yData[i] = pt[1];
							}
						}
					} else {
						error(12); // Highcharts expects configs to be numbers or arrays in turbo mode
					}
				} else {
					for (i = 0; i < dataLength; i++) {
						if (data[i] !== UNDEFINED) { // stray commas in oldIE
							pt = { series: series };
							series.pointClass.prototype.applyOptions.apply(pt, [data[i]]);
							series.updateParallelArrays(pt, i);
							if (hasCategories && pt.name) {
								xAxis.names[pt.x] = pt.name; // #2046
							}
						}
					}
				}

				// Forgetting to cast strings to numbers is a common caveat when handling CSV or JSON
				if (isString(yData[0])) {
					error(14, true);
				}

				series.data = [];
				series.options.data = data;
				//series.zData = zData;

				// destroy old points
				i = oldDataLength;
				while (i--) {
					if (oldData[i] && oldData[i].destroy) {
						oldData[i].destroy();
					}
				}

				// reset minRange (#878)
				if (xAxis) {
					xAxis.minRange = xAxis.userMinRange;
				}

				// redraw
				series.isDirty = series.isDirtyData = chart.isDirtyBox = true;
				animation = false;
			}

			if (redraw) {
				chart.redraw(animation);
			}
		},

		/**
		 * Process the data by cropping away unused data points if the series is longer
		 * than the crop threshold. This saves computing time for lage series.
		 */
		processData: function (force) {
			var series = this,
				processedXData = series.xData, // copied during slice operation below
				processedYData = series.yData,
				dataLength = processedXData.length,
				croppedData,
				cropStart = 0,
				cropped,
				distance,
				closestPointRange,
				xAxis = series.xAxis,
				i, // loop variable
				options = series.options,
				cropThreshold = options.cropThreshold,
				isCartesian = series.isCartesian,
				xExtremes,
				min,
				max;

			// If the series data or axes haven't changed, don't go through this. Return false to pass
			// the message on to override methods like in data grouping.
			if (isCartesian && !series.isDirty && !xAxis.isDirty && !series.yAxis.isDirty && !force) {
				return false;
			}

			if (xAxis) {
				xExtremes = xAxis.getExtremes(); // corrected for log axis (#3053)
				min = xExtremes.min;
				max = xExtremes.max;
			}

			// optionally filter out points outside the plot area
			if (isCartesian && series.sorted && (!cropThreshold || dataLength > cropThreshold || series.forceCrop)) {
				
				// it's outside current extremes
				if (processedXData[dataLength - 1] < min || processedXData[0] > max) {
					processedXData = [];
					processedYData = [];

				// only crop if it's actually spilling out
				} else if (processedXData[0] < min || processedXData[dataLength - 1] > max) {
					croppedData = this.cropData(series.xData, series.yData, min, max);
					processedXData = croppedData.xData;
					processedYData = croppedData.yData;
					cropStart = croppedData.start;
					cropped = true;
				}
			}


			// Find the closest distance between processed points
			for (i = processedXData.length - 1; i >= 0; i--) {
				distance = processedXData[i] - processedXData[i - 1];
				
				if (distance > 0 && (closestPointRange === UNDEFINED || distance < closestPointRange)) {
					closestPointRange = distance;

				// Unsorted data is not supported by the line tooltip, as well as data grouping and
				// navigation in Stock charts (#725) and width calculation of columns (#1900)
				} else if (distance < 0 && series.requireSorting) {
					error(15);
				}
			}

			// Record the properties
			series.cropped = cropped; // undefined or true
			series.cropStart = cropStart;
			series.processedXData = processedXData;
			series.processedYData = processedYData;

			if (options.pointRange === null) { // null means auto, as for columns, candlesticks and OHLC
				series.pointRange = closestPointRange || 1;
			}
			series.closestPointRange = closestPointRange;

		},

		/**
		 * Iterate over xData and crop values between min and max. Returns object containing crop start/end
		 * cropped xData with corresponding part of yData, dataMin and dataMax within the cropped range
		 */
		cropData: function (xData, yData, min, max) {
			var dataLength = xData.length,
				cropStart = 0,
				cropEnd = dataLength,
				cropShoulder = pick(this.cropShoulder, 1), // line-type series need one point outside
				i;

			// iterate up to find slice start
			for (i = 0; i < dataLength; i++) {
				if (xData[i] >= min) {
					cropStart = mathMax(0, i - cropShoulder);
					break;
				}
			}

			// proceed to find slice end
			for (; i < dataLength; i++) {
				if (xData[i] > max) {
					cropEnd = i + cropShoulder;
					break;
				}
			}

			return {
				xData: xData.slice(cropStart, cropEnd),
				yData: yData.slice(cropStart, cropEnd),
				start: cropStart,
				end: cropEnd
			};
		},


		/**
		 * Generate the data point after the data has been processed by cropping away
		 * unused points and optionally grouped in Highcharts Stock.
		 */
		generatePoints: function () {
			var series = this,
				options = series.options,
				dataOptions = options.data,
				data = series.data,
				dataLength,
				processedXData = series.processedXData,
				processedYData = series.processedYData,
				pointClass = series.pointClass,
				processedDataLength = processedXData.length,
				cropStart = series.cropStart || 0,
				cursor,
				hasGroupedData = series.hasGroupedData,
				point,
				points = [],
				i;

			if (!data && !hasGroupedData) {
				var arr = [];
				arr.length = dataOptions.length;
				data = series.data = arr;
			}

			for (i = 0; i < processedDataLength; i++) {
				cursor = cropStart + i;
				if (!hasGroupedData) {
					if (data[cursor]) {
						point = data[cursor];
					} else if (dataOptions[cursor] !== UNDEFINED) { // #970
						data[cursor] = point = (new pointClass()).init(series, dataOptions[cursor], processedXData[i]);
					}
					points[i] = point;
				} else {
					// splat the y data in case of ohlc data array
					points[i] = (new pointClass()).init(series, [processedXData[i]].concat(splat(processedYData[i])));
				}
				points[i].index = cursor; // For faster access in Point.update
			}

			// Hide cropped-away points - this only runs when the number of points is above cropThreshold, or when
			// swithching view from non-grouped data to grouped data (#637)
			if (data && (processedDataLength !== (dataLength = data.length) || hasGroupedData)) {
				for (i = 0; i < dataLength; i++) {
					if (i === cropStart && !hasGroupedData) { // when has grouped data, clear all points
						i += processedDataLength;
					}
					if (data[i]) {
						data[i].destroyElements();
						data[i].plotX = UNDEFINED; // #1003
					}
				}
			}

			series.data = data;
			series.points = points;
		},

		/**
		 * Calculate Y extremes for visible data
		 */
		getExtremes: function (yData) {
			var xAxis = this.xAxis,
				yAxis = this.yAxis,
				xData = this.processedXData,
				yDataLength,
				activeYData = [],
				activeCounter = 0,
				xExtremes = xAxis.getExtremes(), // #2117, need to compensate for log X axis
				xMin = xExtremes.min,
				xMax = xExtremes.max,
				validValue,
				withinRange,
				x,
				y,
				i,
				j;

			yData = yData || this.stackedYData || this.processedYData;
			yDataLength = yData.length;

			for (i = 0; i < yDataLength; i++) {

				x = xData[i];
				y = yData[i];

				// For points within the visible range, including the first point outside the
				// visible range, consider y extremes
				validValue = y !== null && y !== UNDEFINED && (!yAxis.isLog || (y.length || y > 0));
				withinRange = this.getExtremesFromAll || this.cropped || ((xData[i + 1] || x) >= xMin &&
					(xData[i - 1] || x) <= xMax);

				if (validValue && withinRange) {

					j = y.length;
					if (j) { // array, like ohlc or range data
						while (j--) {
							if (y[j] !== null) {
								activeYData[activeCounter++] = y[j];
							}
						}
					} else {
						activeYData[activeCounter++] = y;
					}
				}
			}
			this.dataMin = arrayMin(activeYData);
			this.dataMax = arrayMax(activeYData);
		},

		/**
		 * Translate data points from raw data values to chart specific positioning data
		 * needed later in drawPoints, drawGraph and drawTracker.
		 */
		translate: function () {
			if (!this.processedXData) { // hidden series
				this.processData();
			}
			this.generatePoints();
			var series = this,
				options = series.options,
				stacking = options.stacking,
				xAxis = series.xAxis,
				categories = xAxis.categories,
				yAxis = series.yAxis,
				points = series.points,
				dataLength = points.length,
				hasModifyValue = !!series.modifyValue,
				i,
				pointPlacement = options.pointPlacement,
				dynamicallyPlaced = pointPlacement === 'between' || isNumber(pointPlacement),
				threshold = options.threshold,
				stackThreshold = options.startFromThreshold ? threshold : 0,
				plotX,
				plotY,
				lastPlotX,
				closestPointRangePx = Number.MAX_VALUE;

			// Translate each point
			for (i = 0; i < dataLength; i++) {
				var point = points[i],
					xValue = point.x,
					yValue = point.y,
					yBottom = point.low,
					stack = stacking && yAxis.stacks[(series.negStacks && yValue < (stackThreshold ? 0 : threshold) ? '-' : '') + series.stackKey],
					pointStack,
					stackValues;

				// Discard disallowed y values for log axes (#3434)
				if (yAxis.isLog && yValue !== null && yValue <= 0) {
					point.y = yValue = null;
					error(10);
				}

				// Get the plotX translation
				point.plotX = plotX = mathMin(mathMax(-1e5, xAxis.translate(xValue, 0, 0, 0, 1, pointPlacement, this.type === 'flags')), 1e5); // #3923


				// Calculate the bottom y value for stacked series
				if (stacking && series.visible && stack && stack[xValue]) {

					pointStack = stack[xValue];
					stackValues = pointStack.points[series.index + ',' + i];
					yBottom = stackValues[0];
					yValue = stackValues[1];

					if (yBottom === stackThreshold) {
						yBottom = pick(threshold, yAxis.min);
					}
					if (yAxis.isLog && yBottom <= 0) { // #1200, #1232
						yBottom = null;
					}

					point.total = point.stackTotal = pointStack.total;
					point.percentage = pointStack.total && (point.y / pointStack.total * 100);
					point.stackY = yValue;

					// Place the stack label
					pointStack.setOffset(series.pointXOffset || 0, series.barW || 0);

				}

				// Set translated yBottom or remove it
				point.yBottom = defined(yBottom) ?
					yAxis.translate(yBottom, 0, 1, 0, 1) :
					null;

				// general hook, used for Highstock compare mode
				if (hasModifyValue) {
					yValue = series.modifyValue(yValue, point);
				}

				// Set the the plotY value, reset it for redraws
				point.plotY = plotY = (typeof yValue === 'number' && yValue !== Infinity) ?
					mathMin(mathMax(-1e5, yAxis.translate(yValue, 0, 1, 0, 1)), 1e5) : // #3201
					UNDEFINED;
				point.isInside = plotY !== UNDEFINED && plotY >= 0 && plotY <= yAxis.len && // #3519
					plotX >= 0 && plotX <= xAxis.len;


				// Set client related positions for mouse tracking
				point.clientX = dynamicallyPlaced ? xAxis.translate(xValue, 0, 0, 0, 1) : plotX; // #1514

				point.negative = point.y < (threshold || 0);

				// some API data
				point.category = categories && categories[point.x] !== UNDEFINED ?
					categories[point.x] : point.x;

				// Determine auto enabling of markers (#3635)
				if (i) {
					closestPointRangePx = mathMin(closestPointRangePx, mathAbs(plotX - lastPlotX));
				}
				lastPlotX = plotX;

			}

			series.closestPointRangePx = closestPointRangePx;

			// now that we have the cropped data, build the segments
			series.getSegments();
		},

		/**
		 * Set the clipping for the series. For animated series it is called twice, first to initiate
		 * animating the clip then the second time without the animation to set the final clip.
		 */
		setClip: function (animation) {
			var chart = this.chart,
				renderer = chart.renderer,
				inverted = chart.inverted,
				seriesClipBox = this.clipBox,
				clipBox = seriesClipBox || chart.clipBox,
				sharedClipKey = this.sharedClipKey || ['_sharedClip', animation && animation.duration, animation && animation.easing, clipBox.height].join(','),
				clipRect = chart[sharedClipKey],
				markerClipRect = chart[sharedClipKey + 'm'];

			// If a clipping rectangle with the same properties is currently present in the chart, use that.
			if (!clipRect) {

				// When animation is set, prepare the initial positions
				if (animation) { 
					clipBox.width = 0;

					chart[sharedClipKey + 'm'] = markerClipRect = renderer.clipRect(
						-99, // include the width of the first marker
						inverted ? -chart.plotLeft : -chart.plotTop,
						99,
						inverted ? chart.chartWidth : chart.chartHeight
					);
				}
				chart[sharedClipKey] = clipRect = renderer.clipRect(clipBox);
				
			}
			if (animation) {
				clipRect.count += 1;
			}

			if (this.options.clip !== false) {
				this.group.clip(animation || seriesClipBox ? clipRect : chart.clipRect);
				this.markerGroup.clip(markerClipRect);
				this.sharedClipKey = sharedClipKey;
			}

			// Remove the shared clipping rectangle when all series are shown
			if (!animation) {
				clipRect.count -= 1;
				if (clipRect.count <= 0 && sharedClipKey && chart[sharedClipKey]) {
					if (!seriesClipBox) {
						chart[sharedClipKey] = chart[sharedClipKey].destroy();
					}
					if (chart[sharedClipKey + 'm']) {
						chart[sharedClipKey + 'm'] = chart[sharedClipKey + 'm'].destroy();
					}
				}
			}
		},

		/**
		 * Animate in the series
		 */
		animate: function (init) {
			var series = this,
				chart = series.chart,
				clipRect,
				animation = series.options.animation,
				sharedClipKey;

			// Animation option is set to true
			if (animation && !isObject(animation)) {
				animation = defaultPlotOptions[series.type].animation;
			}

			// Initialize the animation. Set up the clipping rectangle.
			if (init) {

				series.setClip(animation);

			// Run the animation
			} else {
				sharedClipKey = this.sharedClipKey;
				clipRect = chart[sharedClipKey];
				if (clipRect) {
					clipRect.animate({
						width: chart.plotSizeX
					}, animation);
				}
				if (chart[sharedClipKey + 'm']) {
					chart[sharedClipKey + 'm'].animate({
						width: chart.plotSizeX + 99
					}, animation);
				}

				// Delete this function to allow it only once
				series.animate = null;
	 
			}
		},

		/**
		 * This runs after animation to land on the final plot clipping
		 */
		afterAnimate: function () {
			this.setClip();
			fireEvent(this, 'afterAnimate');
		},

		/**
		 * Draw the markers
		 */
		drawPoints: function () {
			var series = this,
				pointAttr,
				points = series.points,
				chart = series.chart,
				plotX,
				plotY,
				i,
				point,
				radius,
				symbol,
				isImage,
				graphic,
				options = series.options,
				seriesMarkerOptions = options.marker,
				seriesPointAttr = series.pointAttr[''],
				pointMarkerOptions,
				hasPointMarker,
				enabled,
				isInside,
				markerGroup = series.markerGroup,
				xAxis = series.xAxis,
				globallyEnabled = pick(
					seriesMarkerOptions.enabled, 
					xAxis.isRadial,
					series.closestPointRangePx > 2 * seriesMarkerOptions.radius
				);

			if (seriesMarkerOptions.enabled !== false || series._hasPointMarkers) {

				i = points.length;
				while (i--) {
					point = points[i];
					plotX = mathFloor(point.plotX); // #1843
					plotY = point.plotY;
					graphic = point.graphic;
					pointMarkerOptions = point.marker || {};
					hasPointMarker = !!point.marker;
					enabled = (globallyEnabled && pointMarkerOptions.enabled === UNDEFINED) || pointMarkerOptions.enabled;
					isInside = point.isInside;

					// only draw the point if y is defined
					if (enabled && plotY !== UNDEFINED && !isNaN(plotY) && point.y !== null) {

						// shortcuts
						pointAttr = point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE] || seriesPointAttr;
						radius = pointAttr.r;
						symbol = pick(pointMarkerOptions.symbol, series.symbol);
						isImage = symbol.indexOf('url') === 0;

						if (graphic) { // update
							graphic[isInside ? 'show' : 'hide'](true) // Since the marker group isn't clipped, each individual marker must be toggled
								.animate(extend({
									x: plotX - radius,
									y: plotY - radius
								}, graphic.symbolName ? { // don't apply to image symbols #507
									width: 2 * radius,
									height: 2 * radius
								} : {}));
						} else if (isInside && (radius > 0 || isImage)) {
							point.graphic = graphic = chart.renderer.symbol(
								symbol,
								plotX - radius,
								plotY - radius,
								2 * radius,
								2 * radius,
								hasPointMarker ? pointMarkerOptions : seriesMarkerOptions
							)
							.attr(pointAttr)
							.add(markerGroup);
						}

					} else if (graphic) {
						point.graphic = graphic.destroy(); // #1269
					}
				}
			}

		},

		/**
		 * Convert state properties from API naming conventions to SVG attributes
		 *
		 * @param {Object} options API options object
		 * @param {Object} base1 SVG attribute object to inherit from
		 * @param {Object} base2 Second level SVG attribute object to inherit from
		 */
		convertAttribs: function (options, base1, base2, base3) {
			var conversion = this.pointAttrToOptions,
				attr,
				option,
				obj = {};

			options = options || {};
			base1 = base1 || {};
			base2 = base2 || {};
			base3 = base3 || {};

			for (attr in conversion) {
				option = conversion[attr];
				obj[attr] = pick(options[option], base1[attr], base2[attr], base3[attr]);
			}
			return obj;
		},

		/**
		 * Get the state attributes. Each series type has its own set of attributes
		 * that are allowed to change on a point's state change. Series wide attributes are stored for
		 * all series, and additionally point specific attributes are stored for all
		 * points with individual marker options. If such options are not defined for the point,
		 * a reference to the series wide attributes is stored in point.pointAttr.
		 */
		getAttribs: function () {
			var series = this,
				seriesOptions = series.options,
				normalOptions = defaultPlotOptions[series.type].marker ? seriesOptions.marker : seriesOptions,
				stateOptions = normalOptions.states,
				stateOptionsHover = stateOptions[HOVER_STATE],
				pointStateOptionsHover,
				seriesColor = series.color,
				seriesNegativeColor = series.options.negativeColor,
				normalDefaults = {
					stroke: seriesColor,
					fill: seriesColor
				},
				points = series.points || [], // #927
				i,
				point,
				seriesPointAttr = [],
				pointAttr,
				pointAttrToOptions = series.pointAttrToOptions,
				hasPointSpecificOptions = series.hasPointSpecificOptions,
				defaultLineColor = normalOptions.lineColor,
				defaultFillColor = normalOptions.fillColor,
				turboThreshold = seriesOptions.turboThreshold,
				zones = series.zones,
				zoneAxis = series.zoneAxis || 'y',
				attr,
				key;

			// series type specific modifications
			if (seriesOptions.marker) { // line, spline, area, areaspline, scatter

				// if no hover radius is given, default to normal radius + 2
				stateOptionsHover.radius = stateOptionsHover.radius || normalOptions.radius + stateOptionsHover.radiusPlus;
				stateOptionsHover.lineWidth = stateOptionsHover.lineWidth || normalOptions.lineWidth + stateOptionsHover.lineWidthPlus;

			} else { // column, bar, pie

				// if no hover color is given, brighten the normal color
				stateOptionsHover.color = stateOptionsHover.color ||
					Color(stateOptionsHover.color || seriesColor)
						.brighten(stateOptionsHover.brightness).get();

				// if no hover negativeColor is given, brighten the normal negativeColor
				stateOptionsHover.negativeColor = stateOptionsHover.negativeColor ||
					Color(stateOptionsHover.negativeColor || seriesNegativeColor)
						.brighten(stateOptionsHover.brightness).get();
			}

			// general point attributes for the series normal state
			seriesPointAttr[NORMAL_STATE] = series.convertAttribs(normalOptions, normalDefaults);

			// HOVER_STATE and SELECT_STATE states inherit from normal state except the default radius
			each([HOVER_STATE, SELECT_STATE], function (state) {
				seriesPointAttr[state] =
						series.convertAttribs(stateOptions[state], seriesPointAttr[NORMAL_STATE]);
			});

			// set it
			series.pointAttr = seriesPointAttr;


			// Generate the point-specific attribute collections if specific point
			// options are given. If not, create a referance to the series wide point
			// attributes
			i = points.length;
			if (!turboThreshold || i < turboThreshold || hasPointSpecificOptions) {
				while (i--) {
					point = points[i];
					normalOptions = (point.options && point.options.marker) || point.options;
					if (normalOptions && normalOptions.enabled === false) {
						normalOptions.radius = 0;
					}

					if (zones.length) {
						var j = 0,
							threshold = zones[j];
						while (point[zoneAxis] >= threshold.value) {				
							threshold = zones[++j];
						}
						
						point.color = point.fillColor = threshold.color;
					}

					hasPointSpecificOptions = seriesOptions.colorByPoint || point.color; // #868

					// check if the point has specific visual options
					if (point.options) {
						for (key in pointAttrToOptions) {
							if (defined(normalOptions[pointAttrToOptions[key]])) {
								hasPointSpecificOptions = true;
							}
						}
					}

					// a specific marker config object is defined for the individual point:
					// create it's own attribute collection
					if (hasPointSpecificOptions) {
						normalOptions = normalOptions || {};
						pointAttr = [];
						stateOptions = normalOptions.states || {}; // reassign for individual point
						pointStateOptionsHover = stateOptions[HOVER_STATE] = stateOptions[HOVER_STATE] || {};

						// Handle colors for column and pies
						if (!seriesOptions.marker) { // column, bar, point
							// If no hover color is given, brighten the normal color. #1619, #2579
							pointStateOptionsHover.color = pointStateOptionsHover.color || (!point.options.color && stateOptionsHover[(point.negative && seriesNegativeColor ? 'negativeColor' : 'color')]) ||
								Color(point.color)
									.brighten(pointStateOptionsHover.brightness || stateOptionsHover.brightness)
									.get();
						}

						// normal point state inherits series wide normal state
						attr = { color: point.color }; // #868
						if (!defaultFillColor) { // Individual point color or negative color markers (#2219)
							attr.fillColor = point.color;
						}
						if (!defaultLineColor) {
							attr.lineColor = point.color; // Bubbles take point color, line markers use white
						}
						// Color is explicitly set to null or undefined (#1288, #4068)
						if (normalOptions.hasOwnProperty('color') && !normalOptions.color) {
							delete normalOptions.color;
						}
						pointAttr[NORMAL_STATE] = series.convertAttribs(extend(attr, normalOptions), seriesPointAttr[NORMAL_STATE]);

						// inherit from point normal and series hover
						pointAttr[HOVER_STATE] = series.convertAttribs(
							stateOptions[HOVER_STATE],
							seriesPointAttr[HOVER_STATE],
							pointAttr[NORMAL_STATE]
						);

						// inherit from point normal and series hover
						pointAttr[SELECT_STATE] = series.convertAttribs(
							stateOptions[SELECT_STATE],
							seriesPointAttr[SELECT_STATE],
							pointAttr[NORMAL_STATE]
						);


					// no marker config object is created: copy a reference to the series-wide
					// attribute collection
					} else {
						pointAttr = seriesPointAttr;
					}

					point.pointAttr = pointAttr;
				}
			}
		},

		/**
		 * Clear DOM objects and free up memory
		 */
		destroy: function () {
			var series = this,
				chart = series.chart,
				issue134 = /AppleWebKit\/533/.test(userAgent),
				destroy,
				i,
				data = series.data || [],
				point,
				prop,
				axis;

			// add event hook
			fireEvent(series, 'destroy');

			// remove all events
			removeEvent(series);

			// erase from axes
			each(series.axisTypes || [], function (AXIS) {
				axis = series[AXIS];
				if (axis) {
					erase(axis.series, series);
					axis.isDirty = axis.forceRedraw = true;
				}
			});

			// remove legend items
			if (series.legendItem) {
				series.chart.legend.destroyItem(series);
			}

			// destroy all points with their elements
			i = data.length;
			while (i--) {
				point = data[i];
				if (point && point.destroy) {
					point.destroy();
				}
			}
			series.points = null;

			// Clear the animation timeout if we are destroying the series during initial animation
			clearTimeout(series.animationTimeout);

			// Destroy all SVGElements associated to the series
			for (prop in series) {
				if (series[prop] instanceof SVGElement && !series[prop].survive) { // Survive provides a hook for not destroying

					// issue 134 workaround
					destroy = issue134 && prop === 'group' ?
						'hide' :
						'destroy';

					series[prop][destroy]();
				}
			}

			// remove from hoverSeries
			if (chart.hoverSeries === series) {
				chart.hoverSeries = null;
			}
			erase(chart.series, series);

			// clear all members
			for (prop in series) {
				delete series[prop];
			}
		},

		/**
		 * Return the graph path of a segment
		 */
		getSegmentPath: function (segment) {
			var series = this,
				segmentPath = [],
				step = series.options.step;

			// build the segment line
			each(segment, function (point, i) {

				var plotX = point.plotX,
					plotY = point.plotY,
					lastPoint;

				if (series.getPointSpline) { // generate the spline as defined in the SplineSeries object
					segmentPath.push.apply(segmentPath, series.getPointSpline(segment, point, i));

				} else {

					// moveTo or lineTo
					segmentPath.push(i ? L : M);

					// step line?
					if (step && i) {
						lastPoint = segment[i - 1];
						if (step === 'right') {
							segmentPath.push(
								lastPoint.plotX,
								plotY
							);

						} else if (step === 'center') {
							segmentPath.push(
								(lastPoint.plotX + plotX) / 2,
								lastPoint.plotY,
								(lastPoint.plotX + plotX) / 2,
								plotY
							);

						} else {
							segmentPath.push(
								plotX,
								lastPoint.plotY
							);
						}
					}

					// normal line to next point
					segmentPath.push(
						point.plotX,
						point.plotY
					);
				}
			});

			return segmentPath;
		},

		/**
		 * Get the graph path
		 */
		getGraphPath: function () {
			var series = this,
				graphPath = [],
				segmentPath,
				singlePoints = []; // used in drawTracker

			// Divide into segments and build graph and area paths
			each(series.segments, function (segment) {

				segmentPath = series.getSegmentPath(segment);

				// add the segment to the graph, or a single point for tracking
				if (segment.length > 1) {
					graphPath = graphPath.concat(segmentPath);
				} else {
					singlePoints.push(segment[0]);
				}
			});

			// Record it for use in drawGraph and drawTracker, and return graphPath
			series.singlePoints = singlePoints;
			series.graphPath = graphPath;

			return graphPath;

		},

		/**
		 * Draw the actual graph
		 */
		drawGraph: function () {
			var series = this,
				options = this.options,
				props = [['graph', options.lineColor || this.color, options.dashStyle]],
				lineWidth = options.lineWidth,
				roundCap = options.linecap !== 'square',
				graphPath = this.getGraphPath(),
				fillColor = (this.fillGraph && this.color) || NONE, // polygon series use filled graph
				zones = this.zones;

			each(zones, function (threshold, i) {
				props.push(['zoneGraph' + i, threshold.color || series.color, threshold.dashStyle || options.dashStyle]);
			});
			
			// Draw the graph
			each(props, function (prop, i) {
				var graphKey = prop[0],
					graph = series[graphKey],
					attribs;

				if (graph) {
					stop(graph); // cancel running animations, #459
					graph.animate({ d: graphPath });

				} else if ((lineWidth || fillColor) && graphPath.length) { // #1487
					attribs = {
						stroke: prop[1],
						'stroke-width': lineWidth,
						fill: fillColor,
						zIndex: 1 // #1069
					};
					if (prop[2]) {
						attribs.dashstyle = prop[2];
					} else if (roundCap) {
						attribs['stroke-linecap'] = attribs['stroke-linejoin'] = 'round';
					}

					series[graphKey] = series.chart.renderer.path(graphPath)
						.attr(attribs)
						.add(series.group)
						.shadow((i < 2) && options.shadow); // add shadow to normal series (0) or to first zone (1) #3932
				}
			});
		},

		/**
		 * Clip the graphs into the positive and negative coloured graphs
		 */
		applyZones: function () {
			var series = this,
				chart = this.chart,
				renderer = chart.renderer,
				zones = this.zones,
				translatedFrom,
				translatedTo,
				clips = this.clips || [],
				clipAttr,
				graph = this.graph,
				area = this.area,
				chartSizeMax = mathMax(chart.chartWidth, chart.chartHeight),
				zoneAxis = this.zoneAxis || 'y',
				axis = this[zoneAxis + 'Axis'],
				extremes,
				reversed = axis.reversed,
				horiz = axis.horiz,
				pxRange,
				ignoreZones = false;

			if (zones.length && (graph || area)) {
				// The use of the Color Threshold assumes there are no gaps
				// so it is safe to hide the original graph and area
				if (graph) {
					graph.hide();
				}
				if (area) { 
					area.hide(); 
				}

				// Create the clips
				extremes = axis.getExtremes();
				each(zones, function (threshold, i) {

					translatedFrom = reversed ? 
						(horiz ? chart.plotWidth : 0) : 
						(horiz ? 0 : axis.toPixels(extremes.min));
					translatedFrom = mathMin(pick(translatedTo, translatedFrom), chartSizeMax);
					translatedTo = mathMin(mathRound(axis.toPixels(pick(threshold.value, extremes.max), true)), chartSizeMax);

					// From should be less or equal then to (#4006)
					if (axis.isXAxis) {
						translatedFrom = translatedFrom > translatedTo ? translatedTo : translatedFrom; 
					} else {
						translatedFrom = translatedFrom < translatedTo ? translatedTo : translatedFrom;
					}

					if (ignoreZones) {
						translatedFrom = translatedTo = axis.toPixels(extremes.max);
					}

					pxRange = Math.abs(translatedFrom - translatedTo);
					if (axis.isXAxis) {
						clipAttr = {
							x: reversed ? translatedTo : translatedFrom,
							y: 0,
							width: pxRange, 
							height: chartSizeMax
						};
						if (!horiz) {
							clipAttr.x = chart.plotHeight - clipAttr.x;
						}
					} else {
						clipAttr = {
							x: 0,
							y: reversed ? translatedFrom : translatedTo,
							width: chartSizeMax, 
							height: pxRange
						};
						if (horiz) {
							clipAttr.y = chart.plotWidth - clipAttr.y;
						}
					}

					/// VML SUPPPORT
					if (chart.inverted && renderer.isVML) {
						if (axis.isXAxis) {			
							clipAttr = {
								x: 0,
								y: reversed ? translatedFrom : translatedTo,
								height: clipAttr.width,
								width: chart.chartWidth
							};		
						} else {				
							clipAttr = {
								x: clipAttr.y - chart.plotLeft - chart.spacingBox.x,
								y: 0,
								width: clipAttr.height,
								height: chart.chartHeight
							};	
						}				
					}
					/// END OF VML SUPPORT

					if (clips[i]) {
						clips[i].animate(clipAttr);
					} else {
						clips[i] = renderer.clipRect(clipAttr);

						if (graph) {
							series['zoneGraph' + i].clip(clips[i]);
						}

						if (area) {
							series['zoneArea' + i].clip(clips[i]);
						}
					}
					// if this zone extends out of the axis, ignore the others
					ignoreZones = threshold.value > extremes.max;
				});
				this.clips = clips;
			}
		},

		/**
		 * Initialize and perform group inversion on series.group and series.markerGroup
		 */
		invertGroups: function () {
			var series = this,
				chart = series.chart;

			// Pie, go away (#1736)
			if (!series.xAxis) {
				return;
			}

			// A fixed size is needed for inversion to work
			function setInvert() {
				var size = {
					width: series.yAxis.len,
					height: series.xAxis.len
				};

				each(['group', 'markerGroup'], function (groupName) {
					if (series[groupName]) {
						series[groupName].attr(size).invert();
					}
				});
			}

			addEvent(chart, 'resize', setInvert); // do it on resize
			addEvent(series, 'destroy', function () {
				removeEvent(chart, 'resize', setInvert);
			});

			// Do it now
			setInvert(); // do it now

			// On subsequent render and redraw, just do setInvert without setting up events again
			series.invertGroups = setInvert;
		},

		/**
		 * General abstraction for creating plot groups like series.group, series.dataLabelsGroup and
		 * series.markerGroup. On subsequent calls, the group will only be adjusted to the updated plot size.
		 */
		plotGroup: function (prop, name, visibility, zIndex, parent) {
			var group = this[prop],
				isNew = !group;

			// Generate it on first call
			if (isNew) {
				this[prop] = group = this.chart.renderer.g(name)
					.attr({
						visibility: visibility,
						zIndex: zIndex || 0.1 // IE8 needs this
					})
					.add(parent);
			}
			// Place it on first and subsequent (redraw) calls
			group[isNew ? 'attr' : 'animate'](this.getPlotBox());
			return group;
		},

		/**
		 * Get the translation and scale for the plot area of this series
		 */
		getPlotBox: function () {
			var chart = this.chart,
				xAxis = this.xAxis,
				yAxis = this.yAxis;

			// Swap axes for inverted (#2339)
			if (chart.inverted) {
				xAxis = yAxis;
				yAxis = this.xAxis;
			}
			return {
				translateX: xAxis ? xAxis.left : chart.plotLeft,
				translateY: yAxis ? yAxis.top : chart.plotTop,
				scaleX: 1, // #1623
				scaleY: 1
			};
		},

		/**
		 * Render the graph and markers
		 */
		render: function () {
			var series = this,
				chart = series.chart,
				group,
				options = series.options,
				animation = options.animation,
				// Animation doesn't work in IE8 quirks when the group div is hidden,
				// and looks bad in other oldIE
				animDuration = (animation && !!series.animate && chart.renderer.isSVG && pick(animation.duration, 500)) || 0,
				visibility = series.visible ? VISIBLE : HIDDEN,
				zIndex = options.zIndex,
				hasRendered = series.hasRendered,
				chartSeriesGroup = chart.seriesGroup;

			// the group
			group = series.plotGroup(
				'group',
				'series',
				visibility,
				zIndex,
				chartSeriesGroup
			);

			series.markerGroup = series.plotGroup(
				'markerGroup',
				'markers',
				visibility,
				zIndex,
				chartSeriesGroup
			);

			// initiate the animation
			if (animDuration) {
				series.animate(true);
			}

			// cache attributes for shapes
			series.getAttribs();

			// SVGRenderer needs to know this before drawing elements (#1089, #1795)
			group.inverted = series.isCartesian ? chart.inverted : false;

			// draw the graph if any
			if (series.drawGraph) {
				series.drawGraph();
				series.applyZones();
			}

			each(series.points, function (point) {
				if (point.redraw) {
					point.redraw();
				}
			});

			// draw the data labels (inn pies they go before the points)
			if (series.drawDataLabels) {
				series.drawDataLabels();
			}

			// draw the points
			if (series.visible) {
				series.drawPoints();
			}


			// draw the mouse tracking area
			if (series.drawTracker && series.options.enableMouseTracking !== false) {
				series.drawTracker();
			}

			// Handle inverted series and tracker groups
			if (chart.inverted) {
				series.invertGroups();
			}

			// Initial clipping, must be defined after inverting groups for VML. Applies to columns etc. (#3839).
			if (options.clip !== false && !series.sharedClipKey && !hasRendered) {
				group.clip(chart.clipRect);
			}

			// Run the animation
			if (animDuration) {
				series.animate();
			} 

			// Call the afterAnimate function on animation complete (but don't overwrite the animation.complete option
			// which should be available to the user).
			if (!hasRendered) {
				if (animDuration) {
					series.animationTimeout = setTimeout(function () {
						series.afterAnimate();
					}, animDuration);
				} else {
					series.afterAnimate();
				}
			}

			series.isDirty = series.isDirtyData = false; // means data is in accordance with what you see
			// (See #322) series.isDirty = series.isDirtyData = false; // means data is in accordance with what you see
			series.hasRendered = true;
		},

		/**
		 * Redraw the series after an update in the axes.
		 */
		redraw: function () {
			var series = this,
				chart = series.chart,
				wasDirtyData = series.isDirtyData, // cache it here as it is set to false in render, but used after
				wasDirty = series.isDirty,
				group = series.group,
				xAxis = series.xAxis,
				yAxis = series.yAxis;

			// reposition on resize
			if (group) {
				if (chart.inverted) {
					group.attr({
						width: chart.plotWidth,
						height: chart.plotHeight
					});
				}

				group.animate({
					translateX: pick(xAxis && xAxis.left, chart.plotLeft),
					translateY: pick(yAxis && yAxis.top, chart.plotTop)
				});
			}

			series.translate();
			series.render();
			if (wasDirtyData) {
				fireEvent(series, 'updatedData');
			}
			if (wasDirty || wasDirtyData) {			// #3945 recalculate the kdtree when dirty
				delete this.kdTree; // #3868 recalculate the kdtree with dirty data
			}
		},

		/**
		 * KD Tree && PointSearching Implementation
		 */

		kdDimensions: 1,
		kdAxisArray: ['clientX', 'plotY'],

		searchPoint: function (e, compareX) {
			var series = this,
				xAxis = series.xAxis,
				yAxis = series.yAxis,
				inverted = series.chart.inverted;
			
			return this.searchKDTree({
				clientX: inverted ? xAxis.len - e.chartY + xAxis.pos : e.chartX - xAxis.pos,
				plotY: inverted ? yAxis.len - e.chartX + yAxis.pos : e.chartY - yAxis.pos
			}, compareX);
		},

		buildKDTree: function () {
			var series = this,
				dimensions = series.kdDimensions;

			// Internal function
			function _kdtree(points, depth, dimensions) {
				var axis, median, length = points && points.length;

				if (length) {

					// alternate between the axis
					axis = series.kdAxisArray[depth % dimensions];

					// sort point array
					points.sort(function(a, b) {
						return a[axis] - b[axis];
					});
				
					median = Math.floor(length / 2);
					
					// build and return nod
					return {
						point: points[median],
						left: _kdtree(points.slice(0, median), depth + 1, dimensions),
						right: _kdtree(points.slice(median + 1), depth + 1, dimensions)
					};
				
				}
			}

			// Start the recursive build process with a clone of the points array and null points filtered out (#3873)
			function startRecursive() {
				var points = grep(series.points, function (point) {
					return point.y !== null;
				});

				series.kdTree = _kdtree(points, dimensions, dimensions);
			}
			delete series.kdTree;
			
			if (series.options.kdSync) {  // For testing tooltips, don't build async
				startRecursive();
			} else {
				setTimeout(startRecursive);
			}
		},

		searchKDTree: function (point, compareX) {
			var series = this,
				kdX = this.kdAxisArray[0],
				kdY = this.kdAxisArray[1],
				kdComparer = compareX ? 'distX' : 'dist';

			// Set the one and two dimensional distance on the point object
			function setDistance(p1, p2) {
				var x = (defined(p1[kdX]) && defined(p2[kdX])) ? Math.pow(p1[kdX] - p2[kdX], 2) : null,
					y = (defined(p1[kdY]) && defined(p2[kdY])) ? Math.pow(p1[kdY] - p2[kdY], 2) : null,
					r = (x || 0) + (y || 0);

				p2.dist = defined(r) ? Math.sqrt(r) : Number.MAX_VALUE;
				p2.distX = defined(x) ? Math.sqrt(x) : Number.MAX_VALUE;
			}
			function _search(search, tree, depth, dimensions) {
				var point = tree.point,
					axis = series.kdAxisArray[depth % dimensions],
					tdist,
					sideA,
					sideB,
					ret = point,
					nPoint1,
					nPoint2;
				
				setDistance(search, point);

				// Pick side based on distance to splitting point
				tdist = search[axis] - point[axis];
				sideA = tdist < 0 ? 'left' : 'right';
				sideB = tdist < 0 ? 'right' : 'left';

				// End of tree
				if (tree[sideA]) {
					nPoint1 =_search(search, tree[sideA], depth + 1, dimensions);

					ret = (nPoint1[kdComparer] < ret[kdComparer] ? nPoint1 : point);
				} 
				if (tree[sideB]) {
					// compare distance to current best to splitting point to decide wether to check side B or not
					if (Math.sqrt(tdist * tdist) < ret[kdComparer]) {
						nPoint2 = _search(search, tree[sideB], depth + 1, dimensions);
						ret = (nPoint2[kdComparer] < ret[kdComparer] ? nPoint2 : ret);
					}
				}
				
				return ret;
			}

			if (!this.kdTree) {
				this.buildKDTree();
			}

			if (this.kdTree) {
				return _search(point, 
					this.kdTree, this.kdDimensions, this.kdDimensions);
			}
		}

	}; // end Series prototype

	/**
	 * The class for stack items
	 */
	function StackItem(axis, options, isNegative, x, stackOption) {
		
		var inverted = axis.chart.inverted;

		this.axis = axis;

		// Tells if the stack is negative
		this.isNegative = isNegative;

		// Save the options to be able to style the label
		this.options = options;

		// Save the x value to be able to position the label later
		this.x = x;

		// Initialize total value
		this.total = null;

		// This will keep each points' extremes stored by series.index and point index
		this.points = {};

		// Save the stack option on the series configuration object, and whether to treat it as percent
		this.stack = stackOption;

		// The align options and text align varies on whether the stack is negative and
		// if the chart is inverted or not.
		// First test the user supplied value, then use the dynamic.
		this.alignOptions = {
			align: options.align || (inverted ? (isNegative ? 'left' : 'right') : 'center'),
			verticalAlign: options.verticalAlign || (inverted ? 'middle' : (isNegative ? 'bottom' : 'top')),
			y: pick(options.y, inverted ? 4 : (isNegative ? 14 : -6)),
			x: pick(options.x, inverted ? (isNegative ? -6 : 6) : 0)
		};

		this.textAlign = options.textAlign || (inverted ? (isNegative ? 'right' : 'left') : 'center');
	}

	StackItem.prototype = {
		destroy: function () {
			destroyObjectProperties(this, this.axis);
		},

		/**
		 * Renders the stack total label and adds it to the stack label group.
		 */
		render: function (group) {
			var options = this.options,
				formatOption = options.format,
				str = formatOption ?
					format(formatOption, this) : 
					options.formatter.call(this);  // format the text in the label

			// Change the text to reflect the new total and set visibility to hidden in case the serie is hidden
			if (this.label) {
				this.label.attr({text: str, visibility: HIDDEN});
			// Create new label
			} else {
				this.label =
					this.axis.chart.renderer.text(str, null, null, options.useHTML)		// dummy positions, actual position updated with setOffset method in columnseries
						.css(options.style)				// apply style
						.attr({
							align: this.textAlign,				// fix the text-anchor
							rotation: options.rotation,	// rotation
							visibility: HIDDEN					// hidden until setOffset is called
						})				
						.add(group);							// add to the labels-group
			}
		},

		/**
		 * Sets the offset that the stack has from the x value and repositions the label.
		 */
		setOffset: function (xOffset, xWidth) {
			var stackItem = this,
				axis = stackItem.axis,
				chart = axis.chart,
				inverted = chart.inverted,
				reversed = axis.reversed,
				neg = (this.isNegative && !reversed) || (!this.isNegative && reversed), // #4056
				y = axis.translate(axis.usePercentage ? 100 : this.total, 0, 0, 0, 1), // stack value translated mapped to chart coordinates
				yZero = axis.translate(0),						// stack origin
				h = mathAbs(y - yZero),							// stack height
				x = chart.xAxis[0].translate(this.x) + xOffset,	// stack x position
				plotHeight = chart.plotHeight,
				stackBox = {	// this is the box for the complete stack
					x: inverted ? (neg ? y : y - h) : x,
					y: inverted ? plotHeight - x - xWidth : (neg ? (plotHeight - y - h) : plotHeight - y),
					width: inverted ? h : xWidth,
					height: inverted ? xWidth : h
				},
				label = this.label,
				alignAttr;
			
			if (label) {
				label.align(this.alignOptions, null, stackBox);	// align the label to the box
					
				// Set visibility (#678)
				alignAttr = label.alignAttr;
				label[this.options.crop === false || chart.isInsidePlot(alignAttr.x, alignAttr.y) ? 'show' : 'hide'](true);
			}
		}
	};


	// Stacking methods defined on the Axis prototype

	/**
	 * Build the stacks from top down
	 */
	Axis.prototype.buildStacks = function () {
		var series = this.series,
			reversedStacks = pick(this.options.reversedStacks, true),
			i = series.length;
		if (!this.isXAxis) {
			this.usePercentage = false;
			while (i--) {
				series[reversedStacks ? i : series.length - i - 1].setStackedPoints();
			}
			// Loop up again to compute percent stack
			if (this.usePercentage) {
				for (i = 0; i < series.length; i++) {
					series[i].setPercentStacks();
				}
			}
		}
	};

	Axis.prototype.renderStackTotals = function () {
		var axis = this,
			chart = axis.chart,
			renderer = chart.renderer,
			stacks = axis.stacks,
			stackKey, 
			oneStack, 
			stackCategory,
			stackTotalGroup = axis.stackTotalGroup;

		// Create a separate group for the stack total labels
		if (!stackTotalGroup) {
			axis.stackTotalGroup = stackTotalGroup =
				renderer.g('stack-labels')
					.attr({
						visibility: VISIBLE,
						zIndex: 6
					})
					.add();
		}

		// plotLeft/Top will change when y axis gets wider so we need to translate the
		// stackTotalGroup at every render call. See bug #506 and #516
		stackTotalGroup.translate(chart.plotLeft, chart.plotTop);

		// Render each stack total
		for (stackKey in stacks) {
			oneStack = stacks[stackKey];
			for (stackCategory in oneStack) {
				oneStack[stackCategory].render(stackTotalGroup);
			}
		}
	};


	// Stacking methods defnied for Series prototype

	/**
	 * Adds series' points value to corresponding stack
	 */
	Series.prototype.setStackedPoints = function () {
		if (!this.options.stacking || (this.visible !== true && this.chart.options.chart.ignoreHiddenSeries !== false)) {
			return;
		}

		var series = this,
			xData = series.processedXData,
			yData = series.processedYData,
			stackedYData = [],
			yDataLength = yData.length,
			seriesOptions = series.options,
			threshold = seriesOptions.threshold,
			stackThreshold = seriesOptions.startFromThreshold ? threshold : 0,
			stackOption = seriesOptions.stack,
			stacking = seriesOptions.stacking,
			stackKey = series.stackKey,
			negKey = '-' + stackKey,
			negStacks = series.negStacks,
			yAxis = series.yAxis,
			stacks = yAxis.stacks,
			oldStacks = yAxis.oldStacks,
			isNegative,
			stack,
			other,
			key,
			pointKey,
			i,
			x,
			y;

		// loop over the non-null y values and read them into a local array
		for (i = 0; i < yDataLength; i++) {
			x = xData[i];
			y = yData[i];
			pointKey = series.index + ',' + i;

			// Read stacked values into a stack based on the x value,
			// the sign of y and the stack key. Stacking is also handled for null values (#739)
			isNegative = negStacks && y < (stackThreshold ? 0 : threshold);
			key = isNegative ? negKey : stackKey;

			// Create empty object for this stack if it doesn't exist yet
			if (!stacks[key]) {
				stacks[key] = {};
			}

			// Initialize StackItem for this x
			if (!stacks[key][x]) {
				if (oldStacks[key] && oldStacks[key][x]) {
					stacks[key][x] = oldStacks[key][x];
					stacks[key][x].total = null;
				} else {
					stacks[key][x] = new StackItem(yAxis, yAxis.options.stackLabels, isNegative, x, stackOption);
				}
			}

			// If the StackItem doesn't exist, create it first
			stack = stacks[key][x];
			//stack.points[pointKey] = [stack.cum || stackThreshold];
			stack.points[pointKey] = [pick(stack.cum, stackThreshold)];

			

			// Add value to the stack total
			if (stacking === 'percent') {

				// Percent stacked column, totals are the same for the positive and negative stacks
				other = isNegative ? stackKey : negKey;
				if (negStacks && stacks[other] && stacks[other][x]) {
					other = stacks[other][x];
					stack.total = other.total = mathMax(other.total, stack.total) + mathAbs(y) || 0;

				// Percent stacked areas
				} else {
					stack.total = correctFloat(stack.total + (mathAbs(y) || 0));
				}
			} else {
				stack.total = correctFloat(stack.total + (y || 0));
			}

			stack.cum = pick(stack.cum, stackThreshold) + (y || 0);

			stack.points[pointKey].push(stack.cum);
			stackedYData[i] = stack.cum;

		}

		if (stacking === 'percent') {
			yAxis.usePercentage = true;
		}

		this.stackedYData = stackedYData; // To be used in getExtremes

		// Reset old stacks
		yAxis.oldStacks = {};
	};

	/**
	 * Iterate over all stacks and compute the absolute values to percent
	 */
	Series.prototype.setPercentStacks = function () {
		var series = this,
			stackKey = series.stackKey,
			stacks = series.yAxis.stacks,
			processedXData = series.processedXData;

		each([stackKey, '-' + stackKey], function (key) {
			var i = processedXData.length,
				x,
				stack,
				pointExtremes,
				totalFactor;

			while (i--) {
				x = processedXData[i];
				stack = stacks[key] && stacks[key][x];
				pointExtremes = stack && stack.points[series.index + ',' + i];
				if (pointExtremes) {
					totalFactor = stack.total ? 100 / stack.total : 0;
					pointExtremes[0] = correctFloat(pointExtremes[0] * totalFactor); // Y bottom value
					pointExtremes[1] = correctFloat(pointExtremes[1] * totalFactor); // Y value
					series.stackedYData[i] = pointExtremes[1];
				}
			}
		});
	};

	// Extend the Chart prototype for dynamic methods
	extend(Chart.prototype, {

		/**
		 * Add a series dynamically after  time
		 *
		 * @param {Object} options The config options
		 * @param {Boolean} redraw Whether to redraw the chart after adding. Defaults to true.
		 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
		 *    configuration
		 *
		 * @return {Object} series The newly created series object
		 */
		addSeries: function (options, redraw, animation) {
			var series,
				chart = this;

			if (options) {
				redraw = pick(redraw, true); // defaults to true

				fireEvent(chart, 'addSeries', { options: options }, function () {
					series = chart.initSeries(options);

					chart.isDirtyLegend = true; // the series array is out of sync with the display
					chart.linkSeries();
					if (redraw) {
						chart.redraw(animation);
					}
				});
			}

			return series;
		},

		/**
	     * Add an axis to the chart
	     * @param {Object} options The axis option
	     * @param {Boolean} isX Whether it is an X axis or a value axis
	     */
		addAxis: function (options, isX, redraw, animation) {
			var key = isX ? 'xAxis' : 'yAxis',
				chartOptions = this.options,
				axis;

			/*jslint unused: false*/
			axis = new Axis(this, merge(options, {
				index: this[key].length,
				isX: isX
			}));
			/*jslint unused: true*/

			// Push the new axis options to the chart options
			chartOptions[key] = splat(chartOptions[key] || {});
			chartOptions[key].push(options);

			if (pick(redraw, true)) {
				this.redraw(animation);
			}
		},

		/**
		 * Dim the chart and show a loading text or symbol
		 * @param {String} str An optional text to show in the loading label instead of the default one
		 */
		showLoading: function (str) {
			var chart = this,
				options = chart.options,
				loadingDiv = chart.loadingDiv,
				loadingOptions = options.loading,
				setLoadingSize = function () {
					if (loadingDiv) {
						css(loadingDiv, {
							left: chart.plotLeft + PX,
							top: chart.plotTop + PX,
							width: chart.plotWidth + PX,
							height: chart.plotHeight + PX
						});
					}
				};

			// create the layer at the first call
			if (!loadingDiv) {
				chart.loadingDiv = loadingDiv = createElement(DIV, {
					className: PREFIX + 'loading'
				}, extend(loadingOptions.style, {
					zIndex: 10,
					display: NONE
				}), chart.container);

				chart.loadingSpan = createElement(
					'span',
					null,
					loadingOptions.labelStyle,
					loadingDiv
				);
				addEvent(chart, 'redraw', setLoadingSize); // #1080
			}

			// update text
			chart.loadingSpan.innerHTML = str || options.lang.loading;

			// show it
			if (!chart.loadingShown) {
				css(loadingDiv, {
					opacity: 0,
					display: ''				
				});
				animate(loadingDiv, {
					opacity: loadingOptions.style.opacity
				}, {
					duration: loadingOptions.showDuration || 0
				});
				chart.loadingShown = true;
			}
			setLoadingSize();
		},

		/**
		 * Hide the loading layer
		 */
		hideLoading: function () {
			var options = this.options,
				loadingDiv = this.loadingDiv;

			if (loadingDiv) {
				animate(loadingDiv, {
					opacity: 0
				}, {
					duration: options.loading.hideDuration || 100,
					complete: function () {
						css(loadingDiv, { display: NONE });
					}
				});
			}
			this.loadingShown = false;
		}
	});

	// extend the Point prototype for dynamic methods
	extend(Point.prototype, {
		/**
		 * Update the point with new options (typically x/y data) and optionally redraw the series.
		 *
		 * @param {Object} options Point options as defined in the series.data array
		 * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
		 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
		 *    configuration
		 *
		 */
		update: function (options, redraw, animation, runEvent) {
			var point = this,
				series = point.series,
				graphic = point.graphic,
				i,
				chart = series.chart,
				seriesOptions = series.options,
				names = series.xAxis && series.xAxis.names;

			redraw = pick(redraw, true);

			function update() {

				point.applyOptions(options);

				// Update visuals
				if (point.y === null && graphic) { // #4146
					point.graphic = graphic.destroy();
				}
				if (isObject(options) && !isArray(options)) {
					// Defer the actual redraw until getAttribs has been called (#3260)
					point.redraw = function () {
						if (graphic) {
							if (options && options.marker && options.marker.symbol) {
								point.graphic = graphic.destroy();
							} else {
								graphic.attr(point.pointAttr[point.state || ''])[point.visible ? 'show' : 'hide'](); // #2430
							}
						}
						if (options && options.dataLabels && point.dataLabel) { // #2468
							point.dataLabel = point.dataLabel.destroy();
						}
						point.redraw = null;
					};
				}

				// record changes in the parallel arrays
				i = point.index;
				series.updateParallelArrays(point, i);
				if (names && point.name) {
					names[point.x] = point.name;
				}

				seriesOptions.data[i] = point.options;

				// redraw
				series.isDirty = series.isDirtyData = true;
				if (!series.fixedBox && series.hasCartesianSeries) { // #1906, #2320
					chart.isDirtyBox = true;
				}

				if (seriesOptions.legendType === 'point') { // #1831, #1885
					chart.isDirtyLegend = true;
				}
				if (redraw) {
					chart.redraw(animation);
				}
			}

			// Fire the event with a default handler of doing the update
			if (runEvent === false) { // When called from setData
				update();
			} else {
				point.firePointEvent('update', { options: options }, update);
			}
		},

		/**
		 * Remove a point and optionally redraw the series and if necessary the axes
		 * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
		 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
		 *    configuration
		 */
		remove: function (redraw, animation) {
			this.series.removePoint(inArray(this, this.series.data), redraw, animation);
		}
	});

	// Extend the series prototype for dynamic methods
	extend(Series.prototype, {
		/**
		 * Add a point dynamically after chart load time
		 * @param {Object} options Point options as given in series.data
		 * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
		 * @param {Boolean} shift If shift is true, a point is shifted off the start
		 *    of the series as one is appended to the end.
		 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
		 *    configuration
		 */
		addPoint: function (options, redraw, shift, animation) {
			var series = this,
				seriesOptions = series.options,
				data = series.data,
				graph = series.graph,
				area = series.area,
				chart = series.chart,
				names = series.xAxis && series.xAxis.names,
				currentShift = (graph && graph.shift) || 0,
				shiftShapes = ['graph', 'area'],
				dataOptions = seriesOptions.data,
				point,
				isInTheMiddle,
				xData = series.xData,
				i,
				x;

			setAnimation(animation, chart);

			// Make graph animate sideways
			if (shift) {
				i = series.zones.length;
				while (i--) {
					shiftShapes.push('zoneGraph' + i, 'zoneArea' + i);
				}
				each(shiftShapes, function (shape) {
					if (series[shape]) {
						series[shape].shift = currentShift + 1;
					}
				});
			}
			if (area) {
				area.isArea = true; // needed in animation, both with and without shift
			}

			// Optional redraw, defaults to true
			redraw = pick(redraw, true);

			// Get options and push the point to xData, yData and series.options. In series.generatePoints
			// the Point instance will be created on demand and pushed to the series.data array.
			point = { series: series };
			series.pointClass.prototype.applyOptions.apply(point, [options]);
			x = point.x;

			// Get the insertion point
			i = xData.length;
			if (series.requireSorting && x < xData[i - 1]) {
				isInTheMiddle = true;
				while (i && xData[i - 1] > x) {
					i--;
				}
			}

			series.updateParallelArrays(point, 'splice', i, 0, 0); // insert undefined item
			series.updateParallelArrays(point, i); // update it

			if (names && point.name) {
				names[x] = point.name;
			}
			dataOptions.splice(i, 0, options);

			if (isInTheMiddle) {
				series.data.splice(i, 0, null);
				series.processData();
			}

			// Generate points to be added to the legend (#1329)
			if (seriesOptions.legendType === 'point') {
				series.generatePoints();
			}

			// Shift the first point off the parallel arrays
			// todo: consider series.removePoint(i) method
			if (shift) {
				if (data[0] && data[0].remove) {
					data[0].remove(false);
				} else {
					data.shift();
					series.updateParallelArrays(point, 'shift');

					dataOptions.shift();
				}
			}

			// redraw
			series.isDirty = true;
			series.isDirtyData = true;
			if (redraw) {
				series.getAttribs(); // #1937
				chart.redraw();
			}
		},

		/**
		 * Remove a point (rendered or not), by index
		 */
		removePoint: function (i, redraw, animation) {

			var series = this,
				data = series.data,
				point = data[i],
				points = series.points,
				chart = series.chart,
				remove = function () {

					if (data.length === points.length) {
						points.splice(i, 1);
					}
					data.splice(i, 1);
					series.options.data.splice(i, 1);
					series.updateParallelArrays(point || { series: series }, 'splice', i, 1);

					if (point) {
						point.destroy();
					}

					// redraw
					series.isDirty = true;
					series.isDirtyData = true;
					if (redraw) {
						chart.redraw();
					}
				};

			setAnimation(animation, chart);
			redraw = pick(redraw, true);

			// Fire the event with a default handler of removing the point
			if (point) {
				point.firePointEvent('remove', null, remove);
			} else {
				remove();
			}
		},

		/**
		 * Remove a series and optionally redraw the chart
		 *
		 * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
		 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
		 *    configuration
		 */

		remove: function (redraw, animation) {
			var series = this,
				chart = series.chart;
			redraw = pick(redraw, true);

			if (!series.isRemoving) {  /* prevent triggering native event in jQuery
					(calling the remove function from the remove event) */
				series.isRemoving = true;

				// fire the event with a default handler of removing the point
				fireEvent(series, 'remove', null, function () {


					// destroy elements
					series.destroy();


					// redraw
					chart.isDirtyLegend = chart.isDirtyBox = true;
					chart.linkSeries();

					if (redraw) {
						chart.redraw(animation);
					}
				});

			}
			series.isRemoving = false;
		},

		/**
		 * Update the series with a new set of options
		 */
		update: function (newOptions, redraw) {
			var series = this,
				chart = this.chart,
				// must use user options when changing type because this.options is merged
				// in with type specific plotOptions
				oldOptions = this.userOptions,
				oldType = this.type,
				proto = seriesTypes[oldType].prototype,
				preserve = ['group', 'markerGroup', 'dataLabelsGroup'],
				n;

			// If we're changing type or zIndex, create new groups (#3380, #3404)
			if ((newOptions.type && newOptions.type !== oldType) || newOptions.zIndex !== undefined) {
				preserve.length = 0;
			}

			// Make sure groups are not destroyed (#3094)
			each(preserve, function (prop) {
				preserve[prop] = series[prop];
				delete series[prop];
			});

			// Do the merge, with some forced options
			newOptions = merge(oldOptions, {
				animation: false,
				index: this.index,
				pointStart: this.xData[0] // when updating after addPoint
			}, { data: this.options.data }, newOptions);

			// Destroy the series and delete all properties. Reinsert all methods 
			// and properties from the new type prototype (#2270, #3719)
			this.remove(false);
			for (n in proto) {
				this[n] = UNDEFINED;
			}
			extend(this, seriesTypes[newOptions.type || oldType].prototype);

			// Re-register groups (#3094)
			each(preserve, function (prop) {
				series[prop] = preserve[prop];
			});

			this.init(chart, newOptions);
			chart.linkSeries(); // Links are lost in this.remove (#3028)
			if (pick(redraw, true)) {
				chart.redraw(false);
			}
		}
	});

	// Extend the Axis.prototype for dynamic methods
	extend(Axis.prototype, {

		/**
		 * Update the axis with a new options structure
		 */
		update: function (newOptions, redraw) {
			var chart = this.chart;

			newOptions = chart.options[this.coll][this.options.index] = merge(this.userOptions, newOptions);

			this.destroy(true);
			this._addedPlotLB = UNDEFINED; // #1611, #2887

			this.init(chart, extend(newOptions, { events: UNDEFINED }));

			chart.isDirtyBox = true;
			if (pick(redraw, true)) {
				chart.redraw();
			}
		},

		/**
	     * Remove the axis from the chart
	     */
		remove: function (redraw) {
			var chart = this.chart,
				key = this.coll, // xAxis or yAxis
				axisSeries = this.series,
				i = axisSeries.length;

			// Remove associated series (#2687)
			while (i--) {
				if (axisSeries[i]) {
					axisSeries[i].remove(false);
				}
			}

			// Remove the axis
			erase(chart.axes, this);
			erase(chart[key], this);
			chart.options[key].splice(this.options.index, 1);
			each(chart[key], function (axis, i) { // Re-index, #1706
				axis.options.index = i;
			});
			this.destroy();
			chart.isDirtyBox = true;

			if (pick(redraw, true)) {
				chart.redraw();
			}
		},

		/**
		 * Update the axis title by options
		 */
		setTitle: function (newTitleOptions, redraw) {
			this.update({ title: newTitleOptions }, redraw);
		},

		/**
		 * Set new axis categories and optionally redraw
		 * @param {Array} categories
		 * @param {Boolean} redraw
		 */
		setCategories: function (categories, redraw) {
			this.update({ categories: categories }, redraw);
		}

	});


	/**
	 * LineSeries object
	 */
	var LineSeries = extendClass(Series);
	seriesTypes.line = LineSeries;

	/**
	 * Set the default options for area
	 */
	defaultPlotOptions.area = merge(defaultSeriesOptions, {
		threshold: 0
		// trackByArea: false,
		// lineColor: null, // overrides color, but lets fillColor be unaltered
		// fillOpacity: 0.75,
		// fillColor: null
	});

	/**
	 * AreaSeries object
	 */
	var AreaSeries = extendClass(Series, {
		type: 'area',
		/**
		 * For stacks, don't split segments on null values. Instead, draw null values with 
		 * no marker. Also insert dummy points for any X position that exists in other series
		 * in the stack.
		 */ 
		getSegments: function () {
			var series = this,
				segments = [],
				segment = [],
				keys = [],
				xAxis = this.xAxis,
				yAxis = this.yAxis,
				stack = yAxis.stacks[this.stackKey],
				pointMap = {},
				plotX,
				plotY,
				points = this.points,
				connectNulls = this.options.connectNulls,
				i,
				x;

			if (this.options.stacking && !this.cropped) { // cropped causes artefacts in Stock, and perf issue
				// Create a map where we can quickly look up the points by their X value.
				for (i = 0; i < points.length; i++) {
					pointMap[points[i].x] = points[i];
				}

				// Sort the keys (#1651)
				for (x in stack) {
					if (stack[x].total !== null) { // nulled after switching between grouping and not (#1651, #2336)
						keys.push(+x);
					}
				}
				keys.sort(function (a, b) {
					return a - b;
				});

				each(keys, function (x) {
					var y = 0,
						stackPoint;

					if (connectNulls && (!pointMap[x] || pointMap[x].y === null)) { // #1836
						return;

					// The point exists, push it to the segment
					} else if (pointMap[x]) {
						segment.push(pointMap[x]);

					// There is no point for this X value in this series, so we 
					// insert a dummy point in order for the areas to be drawn
					// correctly.
					} else {

						// Loop down the stack to find the series below this one that has
						// a value (#1991)
						for (i = series.index; i <= yAxis.series.length; i++) {
							stackPoint = stack[x].points[i + ',' + x];
							if (stackPoint) {
								y = stackPoint[1];
								break;
							}
						}

						plotX = xAxis.translate(x);
						plotY = yAxis.toPixels(y, true);
						segment.push({ 
							y: null, 
							plotX: plotX,
							clientX: plotX, 
							plotY: plotY, 
							yBottom: plotY,
							onMouseOver: noop
						});
					}
				});

				if (segment.length) {
					segments.push(segment);
				}

			} else {
				Series.prototype.getSegments.call(this);
				segments = this.segments;
			}

			this.segments = segments;
		},
		
		/**
		 * Extend the base Series getSegmentPath method by adding the path for the area.
		 * This path is pushed to the series.areaPath property.
		 */
		getSegmentPath: function (segment) {
			
			var segmentPath = Series.prototype.getSegmentPath.call(this, segment), // call base method
				areaSegmentPath = [].concat(segmentPath), // work on a copy for the area path
				i,
				options = this.options,
				segLength = segmentPath.length,
				translatedThreshold = this.yAxis.getThreshold(options.threshold), // #2181
				yBottom;
			
			if (segLength === 3) { // for animation from 1 to two points
				areaSegmentPath.push(L, segmentPath[1], segmentPath[2]);
			}
			if (options.stacking && !this.closedStacks) {
				
				// Follow stack back. Todo: implement areaspline. A general solution could be to 
				// reverse the entire graphPath of the previous series, though may be hard with
				// splines and with series with different extremes
				for (i = segment.length - 1; i >= 0; i--) {

					yBottom = pick(segment[i].yBottom, translatedThreshold);
				
					// step line?
					if (i < segment.length - 1 && options.step) {
						areaSegmentPath.push(segment[i + 1].plotX, yBottom);
					}
					
					areaSegmentPath.push(segment[i].plotX, yBottom);
				}

			} else { // follow zero line back
				this.closeSegment(areaSegmentPath, segment, translatedThreshold);
			}
			this.areaPath = this.areaPath.concat(areaSegmentPath);
			return segmentPath;
		},
		
		/**
		 * Extendable method to close the segment path of an area. This is overridden in polar 
		 * charts.
		 */
		closeSegment: function (path, segment, translatedThreshold) {
			path.push(
				L,
				segment[segment.length - 1].plotX,
				translatedThreshold,
				L,
				segment[0].plotX,
				translatedThreshold
			);
		},
		
		/**
		 * Draw the graph and the underlying area. This method calls the Series base
		 * function and adds the area. The areaPath is calculated in the getSegmentPath
		 * method called from Series.prototype.drawGraph.
		 */
		drawGraph: function () {
			
			// Define or reset areaPath
			this.areaPath = [];
			
			// Call the base method
			Series.prototype.drawGraph.apply(this);
			
			// Define local variables
			var series = this,
				areaPath = this.areaPath,
				options = this.options,
				zones = this.zones,
				props = [['area', this.color, options.fillColor]]; // area name, main color, fill color
			
			each(zones, function (threshold, i) {
				props.push(['zoneArea' + i, threshold.color || series.color, threshold.fillColor || options.fillColor]);
			});
			each(props, function (prop) {
				var areaKey = prop[0],
					area = series[areaKey];
					
				// Create or update the area
				if (area) { // update
					area.animate({ d: areaPath });
		
				} else { // create
					series[areaKey] = series.chart.renderer.path(areaPath)
						.attr({
							fill: pick(
								prop[2],
								Color(prop[1]).setOpacity(pick(options.fillOpacity, 0.75)).get()
							),
							zIndex: 0 // #1069
						}).add(series.group);
				}
			});
		},

		drawLegendSymbol: LegendSymbolMixin.drawRectangle
	});

	seriesTypes.area = AreaSeries;
	/**
	 * Set the default options for spline
	 */
	defaultPlotOptions.spline = merge(defaultSeriesOptions);

	/**
	 * SplineSeries object
	 */
	var SplineSeries = extendClass(Series, {
		type: 'spline',

		/**
		 * Get the spline segment from a given point's previous neighbour to the given point
		 */
		getPointSpline: function (segment, point, i) {
			var smoothing = 1.5, // 1 means control points midway between points, 2 means 1/3 from the point, 3 is 1/4 etc
				denom = smoothing + 1,
				plotX = point.plotX,
				plotY = point.plotY,
				lastPoint = segment[i - 1],
				nextPoint = segment[i + 1],
				leftContX,
				leftContY,
				rightContX,
				rightContY,
				ret;

			// find control points
			if (lastPoint && nextPoint) {
			
				var lastX = lastPoint.plotX,
					lastY = lastPoint.plotY,
					nextX = nextPoint.plotX,
					nextY = nextPoint.plotY,
					correction;

				leftContX = (smoothing * plotX + lastX) / denom;
				leftContY = (smoothing * plotY + lastY) / denom;
				rightContX = (smoothing * plotX + nextX) / denom;
				rightContY = (smoothing * plotY + nextY) / denom;

				// have the two control points make a straight line through main point
				correction = ((rightContY - leftContY) * (rightContX - plotX)) /
					(rightContX - leftContX) + plotY - rightContY;

				leftContY += correction;
				rightContY += correction;

				// to prevent false extremes, check that control points are between
				// neighbouring points' y values
				if (leftContY > lastY && leftContY > plotY) {
					leftContY = mathMax(lastY, plotY);
					rightContY = 2 * plotY - leftContY; // mirror of left control point
				} else if (leftContY < lastY && leftContY < plotY) {
					leftContY = mathMin(lastY, plotY);
					rightContY = 2 * plotY - leftContY;
				}
				if (rightContY > nextY && rightContY > plotY) {
					rightContY = mathMax(nextY, plotY);
					leftContY = 2 * plotY - rightContY;
				} else if (rightContY < nextY && rightContY < plotY) {
					rightContY = mathMin(nextY, plotY);
					leftContY = 2 * plotY - rightContY;
				}

				// record for drawing in next point
				point.rightContX = rightContX;
				point.rightContY = rightContY;

			}
			
			// Visualize control points for debugging
			/*
			if (leftContX) {
				this.chart.renderer.circle(leftContX + this.chart.plotLeft, leftContY + this.chart.plotTop, 2)
					.attr({
						stroke: 'red',
						'stroke-width': 1,
						fill: 'none'
					})
					.add();
				this.chart.renderer.path(['M', leftContX + this.chart.plotLeft, leftContY + this.chart.plotTop,
					'L', plotX + this.chart.plotLeft, plotY + this.chart.plotTop])
					.attr({
						stroke: 'red',
						'stroke-width': 1
					})
					.add();
				this.chart.renderer.circle(rightContX + this.chart.plotLeft, rightContY + this.chart.plotTop, 2)
					.attr({
						stroke: 'green',
						'stroke-width': 1,
						fill: 'none'
					})
					.add();
				this.chart.renderer.path(['M', rightContX + this.chart.plotLeft, rightContY + this.chart.plotTop,
					'L', plotX + this.chart.plotLeft, plotY + this.chart.plotTop])
					.attr({
						stroke: 'green',
						'stroke-width': 1
					})
					.add();
			}
			*/

			// moveTo or lineTo
			if (!i) {
				ret = [M, plotX, plotY];
			} else { // curve from last point to this
				ret = [
					'C',
					lastPoint.rightContX || lastPoint.plotX,
					lastPoint.rightContY || lastPoint.plotY,
					leftContX || plotX,
					leftContY || plotY,
					plotX,
					plotY
				];
				lastPoint.rightContX = lastPoint.rightContY = null; // reset for updating series later
			}
			return ret;
		}
	});
	seriesTypes.spline = SplineSeries;

	/**
	 * Set the default options for areaspline
	 */
	defaultPlotOptions.areaspline = merge(defaultPlotOptions.area);

	/**
	 * AreaSplineSeries object
	 */
	var areaProto = AreaSeries.prototype,
		AreaSplineSeries = extendClass(SplineSeries, {
			type: 'areaspline',
			closedStacks: true, // instead of following the previous graph back, follow the threshold back
			
			// Mix in methods from the area series
			getSegmentPath: areaProto.getSegmentPath,
			closeSegment: areaProto.closeSegment,
			drawGraph: areaProto.drawGraph,
			drawLegendSymbol: LegendSymbolMixin.drawRectangle
		});

	seriesTypes.areaspline = AreaSplineSeries;

	/**
	 * Set the default options for column
	 */
	defaultPlotOptions.column = merge(defaultSeriesOptions, {
		borderColor: '#FFFFFF',
		//borderWidth: 1,
		borderRadius: 0,
		//colorByPoint: undefined,
		groupPadding: 0.2,
		//grouping: true,
		marker: null, // point options are specified in the base options
		pointPadding: 0.1,
		//pointWidth: null,
		minPointLength: 0,
		cropThreshold: 50, // when there are more points, they will not animate out of the chart on xAxis.setExtremes
		pointRange: null, // null means auto, meaning 1 in a categorized axis and least distance between points if not categories
		states: {
			hover: {
				brightness: 0.1,
				shadow: false,
				halo: false
			},
			select: {
				color: '#C0C0C0',
				borderColor: '#000000',
				shadow: false
			}
		},
		dataLabels: {
			align: null, // auto
			verticalAlign: null, // auto
			y: null
		},
		startFromThreshold: true, // docs: http://jsfiddle.net/highcharts/hz8fopan/14/
		stickyTracking: false,
		tooltip: {
			distance: 6
		},
		threshold: 0
	});

	/**
	 * ColumnSeries object
	 */
	var ColumnSeries = extendClass(Series, {
		type: 'column',
		pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
			stroke: 'borderColor',
			fill: 'color',
			r: 'borderRadius'
		},
		cropShoulder: 0,
		directTouch: true, // When tooltip is not shared, this series (and derivatives) requires direct touch/hover. KD-tree does not apply.
		trackerGroups: ['group', 'dataLabelsGroup'],
		negStacks: true, // use separate negative stacks, unlike area stacks where a negative 
			// point is substracted from previous (#1910)
		
		/**
		 * Initialize the series
		 */
		init: function () {
			Series.prototype.init.apply(this, arguments);

			var series = this,
				chart = series.chart;

			// if the series is added dynamically, force redraw of other
			// series affected by a new column
			if (chart.hasRendered) {
				each(chart.series, function (otherSeries) {
					if (otherSeries.type === series.type) {
						otherSeries.isDirty = true;
					}
				});
			}
		},

		/**
		 * Return the width and x offset of the columns adjusted for grouping, groupPadding, pointPadding,
		 * pointWidth etc. 
		 */
		getColumnMetrics: function () {

			var series = this,
				options = series.options,
				xAxis = series.xAxis,
				yAxis = series.yAxis,
				reversedXAxis = xAxis.reversed,
				stackKey,
				stackGroups = {},
				columnIndex,
				columnCount = 0;

			// Get the total number of column type series.
			// This is called on every series. Consider moving this logic to a
			// chart.orderStacks() function and call it on init, addSeries and removeSeries
			if (options.grouping === false) {
				columnCount = 1;
			} else {
				each(series.chart.series, function (otherSeries) {
					var otherOptions = otherSeries.options,
						otherYAxis = otherSeries.yAxis;
					if (otherSeries.type === series.type && otherSeries.visible &&
							yAxis.len === otherYAxis.len && yAxis.pos === otherYAxis.pos) {  // #642, #2086
						if (otherOptions.stacking) {
							stackKey = otherSeries.stackKey;
							if (stackGroups[stackKey] === UNDEFINED) {
								stackGroups[stackKey] = columnCount++;
							}
							columnIndex = stackGroups[stackKey];
						} else if (otherOptions.grouping !== false) { // #1162
							columnIndex = columnCount++;
						}
						otherSeries.columnIndex = columnIndex;
					}
				});
			}

			var categoryWidth = mathMin(
					mathAbs(xAxis.transA) * (xAxis.ordinalSlope || options.pointRange || xAxis.closestPointRange || xAxis.tickInterval || 1), // #2610
					xAxis.len // #1535
				),
				groupPadding = categoryWidth * options.groupPadding,
				groupWidth = categoryWidth - 2 * groupPadding,
				pointOffsetWidth = groupWidth / columnCount,
				optionPointWidth = options.pointWidth,
				pointPadding = defined(optionPointWidth) ? (pointOffsetWidth - optionPointWidth) / 2 :
					pointOffsetWidth * options.pointPadding,
				pointWidth = pick(optionPointWidth, pointOffsetWidth - 2 * pointPadding), // exact point width, used in polar charts
				colIndex = (reversedXAxis ? 
					columnCount - (series.columnIndex || 0) : // #1251
					series.columnIndex) || 0,
				pointXOffset = pointPadding + (groupPadding + colIndex *
					pointOffsetWidth - (categoryWidth / 2)) *
					(reversedXAxis ? -1 : 1);

			// Save it for reading in linked series (Error bars particularly)
			return (series.columnMetrics = { 
				width: pointWidth, 
				offset: pointXOffset 
			});
				
		},

		/**
		 * Translate each point to the plot area coordinate system and find shape positions
		 */
		translate: function () {
			var series = this,
				chart = series.chart,
				options = series.options,
				borderWidth = series.borderWidth = pick(
					options.borderWidth, 
					series.closestPointRange * series.xAxis.transA < 2 ? 0 : 1 // #3635
				),
				yAxis = series.yAxis,
				threshold = options.threshold,
				translatedThreshold = series.translatedThreshold = yAxis.getThreshold(threshold),
				minPointLength = pick(options.minPointLength, 5),
				metrics = series.getColumnMetrics(),
				pointWidth = metrics.width,
				seriesBarW = series.barW = mathMax(pointWidth, 1 + 2 * borderWidth), // postprocessed for border width
				pointXOffset = series.pointXOffset = metrics.offset,
				xCrisp = -(borderWidth % 2 ? 0.5 : 0),
				yCrisp = borderWidth % 2 ? 0.5 : 1;

			if (chart.inverted) {
				translatedThreshold -= 0.5; // #3355
				if (chart.renderer.isVML) {
					yCrisp += 1;
				}
			}

			// When the pointPadding is 0, we want the columns to be packed tightly, so we allow individual
			// columns to have individual sizes. When pointPadding is greater, we strive for equal-width
			// columns (#2694).
			if (options.pointPadding) {
				seriesBarW = mathCeil(seriesBarW);
			}

			Series.prototype.translate.apply(series);

			// Record the new values
			each(series.points, function (point) {
				var yBottom = pick(point.yBottom, translatedThreshold),
					plotY = mathMin(mathMax(-999 - yBottom, point.plotY), yAxis.len + 999 + yBottom), // Don't draw too far outside plot area (#1303, #2241)
					barX = point.plotX + pointXOffset,
					barW = seriesBarW,
					barY = mathMin(plotY, yBottom),
					right,
					bottom,
					fromTop,
					up,
					barH = mathMax(plotY, yBottom) - barY;

				// Handle options.minPointLength
				if (mathAbs(barH) < minPointLength) {
					if (minPointLength) {
						barH = minPointLength;
						up = (!yAxis.reversed && !point.negative) || (yAxis.reversed && point.negative);
						barY =
							mathRound(mathAbs(barY - translatedThreshold) > minPointLength ? // stacked
								yBottom - minPointLength : // keep position
								translatedThreshold - (up ? minPointLength : 0)); // #1485, #4051
					}
				}

				// Cache for access in polar
				point.barX = barX;
				point.pointWidth = pointWidth;

				// Round off to obtain crisp edges and avoid overlapping with neighbours (#2694)
				right = mathRound(barX + barW) + xCrisp;
				barX = mathRound(barX) + xCrisp;
				barW = right - barX;

				fromTop = mathAbs(barY) < 0.5;
				bottom = mathMin(mathRound(barY + barH) + yCrisp, 9e4); // #3575
				barY = mathRound(barY) + yCrisp;
				barH = bottom - barY;

				// Top edges are exceptions
				if (fromTop) {
					barY -= 1;
					barH += 1;
				}

				// Fix the tooltip on center of grouped columns (#1216, #424, #3648)
				point.tooltipPos = chart.inverted ? 
					[yAxis.len + yAxis.pos - chart.plotLeft - plotY, series.xAxis.len - barX - barW / 2, barH] : 
					[barX + barW / 2, plotY + yAxis.pos - chart.plotTop, barH];

				// Register shape type and arguments to be used in drawPoints
				point.shapeType = 'rect';
				point.shapeArgs = {
					x: barX,
					y: barY,
					width: barW,
					height: barH
				};

			});

		},

		getSymbol: noop,
		
		/**
		 * Use a solid rectangle like the area series types
		 */
		drawLegendSymbol: LegendSymbolMixin.drawRectangle,
		
		
		/**
		 * Columns have no graph
		 */
		drawGraph: noop,

		/**
		 * Draw the columns. For bars, the series.group is rotated, so the same coordinates
		 * apply for columns and bars. This method is inherited by scatter series.
		 *
		 */
		drawPoints: function () {
			var series = this,
				chart = this.chart,
				options = series.options,
				renderer = chart.renderer,
				animationLimit = options.animationLimit || 250,
				shapeArgs,
				pointAttr;

			// draw the columns
			each(series.points, function (point) {
				var plotY = point.plotY,
					graphic = point.graphic,
					borderAttr;

				if (plotY !== UNDEFINED && !isNaN(plotY) && point.y !== null) {
					shapeArgs = point.shapeArgs;

					borderAttr = defined(series.borderWidth) ? {
						'stroke-width': series.borderWidth
					} : {};

					pointAttr = point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE] || series.pointAttr[NORMAL_STATE];
					
					if (graphic) { // update
						stop(graphic);
						graphic.attr(borderAttr)[chart.pointCount < animationLimit ? 'animate' : 'attr'](merge(shapeArgs));

					} else {
						point.graphic = graphic = renderer[point.shapeType](shapeArgs)
							.attr(borderAttr)
							.attr(pointAttr)
							.add(series.group)
							.shadow(options.shadow, null, options.stacking && !options.borderRadius);
					}

				} else if (graphic) {
					point.graphic = graphic.destroy(); // #1269
				}
			});
		},

		/**
		 * Animate the column heights one by one from zero
		 * @param {Boolean} init Whether to initialize the animation or run it
		 */
		animate: function (init) {
			var series = this,
				yAxis = this.yAxis,
				options = series.options,
				inverted = this.chart.inverted,
				attr = {},
				translatedThreshold;

			if (hasSVG) { // VML is too slow anyway
				if (init) {
					attr.scaleY = 0.001;
					translatedThreshold = mathMin(yAxis.pos + yAxis.len, mathMax(yAxis.pos, yAxis.toPixels(options.threshold)));
					if (inverted) {
						attr.translateX = translatedThreshold - yAxis.len;
					} else {
						attr.translateY = translatedThreshold;
					}
					series.group.attr(attr);

				} else { // run the animation
					
					attr.scaleY = 1;
					attr[inverted ? 'translateX' : 'translateY'] = yAxis.pos;
					series.group.animate(attr, series.options.animation);

					// delete this function to allow it only once
					series.animate = null;
				}
			}
		},
		
		/**
		 * Remove this series from the chart
		 */
		remove: function () {
			var series = this,
				chart = series.chart;

			// column and bar series affects other series of the same type
			// as they are either stacked or grouped
			if (chart.hasRendered) {
				each(chart.series, function (otherSeries) {
					if (otherSeries.type === series.type) {
						otherSeries.isDirty = true;
					}
				});
			}

			Series.prototype.remove.apply(series, arguments);
		}
	});
	seriesTypes.column = ColumnSeries;
	/**
	 * Set the default options for bar
	 */
	defaultPlotOptions.bar = merge(defaultPlotOptions.column);
	/**
	 * The Bar series class
	 */
	var BarSeries = extendClass(ColumnSeries, {
		type: 'bar',
		inverted: true
	});
	seriesTypes.bar = BarSeries;

	/**
	 * Set the default options for scatter
	 */
	defaultPlotOptions.scatter = merge(defaultSeriesOptions, {
		lineWidth: 0,
		marker: {
			enabled: true // Overrides auto-enabling in line series (#3647)
		},
		tooltip: {
			headerFormat: '<span style="color:{series.color}">\u25CF</span> <span style="font-size: 10px;"> {series.name}</span><br/>',
			pointFormat: 'x: <b>{point.x}</b><br/>y: <b>{point.y}</b><br/>'
		}
	});

	/**
	 * The scatter series class
	 */
	var ScatterSeries = extendClass(Series, {
		type: 'scatter',
		sorted: false,
		requireSorting: false,
		noSharedTooltip: true,
		trackerGroups: ['group', 'markerGroup', 'dataLabelsGroup'],
		takeOrdinalPosition: false, // #2342
		kdDimensions: 2,
		drawGraph: function () {
			if (this.options.lineWidth) {
				Series.prototype.drawGraph.call(this);
			}
		}
	});

	seriesTypes.scatter = ScatterSeries;

	/**
	 * Set the default options for pie
	 */
	defaultPlotOptions.pie = merge(defaultSeriesOptions, {
		borderColor: '#FFFFFF',
		borderWidth: 1,
		center: [null, null],
		clip: false,
		colorByPoint: true, // always true for pies
		dataLabels: {
			// align: null,
			// connectorWidth: 1,
			// connectorColor: point.color,
			// connectorPadding: 5,
			distance: 30,
			enabled: true,
			formatter: function () { // #2945
				return this.point.name;
			},
			// softConnector: true,
			x: 0
			// y: 0
		},
		ignoreHiddenPoint: true,
		//innerSize: 0,
		legendType: 'point',
		marker: null, // point options are specified in the base options
		size: null,
		showInLegend: false,
		slicedOffset: 10,
		states: {
			hover: {
				brightness: 0.1,
				shadow: false
			}
		},
		stickyTracking: false,
		tooltip: {
			followPointer: true
		}
	});

	/**
	 * Extended point object for pies
	 */
	var PiePoint = extendClass(Point, {
		/**
		 * Initiate the pie slice
		 */
		init: function () {

			Point.prototype.init.apply(this, arguments);

			var point = this,
				toggleSlice;

			extend(point, {
				visible: point.visible !== false,
				name: pick(point.name, 'Slice')
			});

			// add event listener for select
			toggleSlice = function (e) {
				point.slice(e.type === 'select');
			};
			addEvent(point, 'select', toggleSlice);
			addEvent(point, 'unselect', toggleSlice);

			return point;
		},

		/**
		 * Toggle the visibility of the pie slice
		 * @param {Boolean} vis Whether to show the slice or not. If undefined, the
		 *    visibility is toggled
		 */
		setVisible: function (vis, redraw) { // docs: redraw parameter. Radrawing calculates new percentages and totals and moves other slices.
			var point = this,
				series = point.series,
				chart = series.chart,
				ignoreHiddenPoint = series.options.ignoreHiddenPoint;
			
			redraw = pick(redraw, ignoreHiddenPoint);

			if (vis !== point.visible) {

				// If called without an argument, toggle visibility
				point.visible = point.options.visible = vis = vis === UNDEFINED ? !point.visible : vis;
				series.options.data[inArray(point, series.data)] = point.options; // update userOptions.data

				// Show and hide associated elements. This is performed regardless of redraw or not,
				// because chart.redraw only handles full series.
				each(['graphic', 'dataLabel', 'connector', 'shadowGroup'], function (key) {
					if (point[key]) {
						point[key][vis ? 'show' : 'hide'](true);
					}
				});

				if (point.legendItem) {
					chart.legend.colorizeItem(point, vis);
				}
				
				// Handle ignore hidden slices
				if (ignoreHiddenPoint) {
					series.isDirty = true;
				}

				if (redraw) {
					chart.redraw();
				}
			}
		},

		/**
		 * Set or toggle whether the slice is cut out from the pie
		 * @param {Boolean} sliced When undefined, the slice state is toggled
		 * @param {Boolean} redraw Whether to redraw the chart. True by default.
		 */
		slice: function (sliced, redraw, animation) {
			var point = this,
				series = point.series,
				chart = series.chart,
				translation;

			setAnimation(animation, chart);

			// redraw is true by default
			redraw = pick(redraw, true);

			// if called without an argument, toggle
			point.sliced = point.options.sliced = sliced = defined(sliced) ? sliced : !point.sliced;
			series.options.data[inArray(point, series.data)] = point.options; // update userOptions.data

			translation = sliced ? point.slicedTranslation : {
				translateX: 0,
				translateY: 0
			};

			point.graphic.animate(translation);
			
			if (point.shadowGroup) {
				point.shadowGroup.animate(translation);
			}

		},

		haloPath: function (size) {
			var shapeArgs = this.shapeArgs,
				chart = this.series.chart;

			return this.sliced || !this.visible ? [] : this.series.chart.renderer.symbols.arc(chart.plotLeft + shapeArgs.x, chart.plotTop + shapeArgs.y, shapeArgs.r + size, shapeArgs.r + size, {
				innerR: this.shapeArgs.r,
				start: shapeArgs.start,
				end: shapeArgs.end
			});
		}
	});

	/**
	 * The Pie series class
	 */
	var PieSeries = {
		type: 'pie',
		isCartesian: false,
		pointClass: PiePoint,
		requireSorting: false,
		noSharedTooltip: true,
		trackerGroups: ['group', 'dataLabelsGroup'],
		axisTypes: [],
		pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
			stroke: 'borderColor',
			'stroke-width': 'borderWidth',
			fill: 'color'
		},

		/**
		 * Pies have one color each point
		 */
		getColor: noop,

		/**
		 * Animate the pies in
		 */
		animate: function (init) {
			var series = this,
				points = series.points,
				startAngleRad = series.startAngleRad;

			if (!init) {
				each(points, function (point) {
					var graphic = point.graphic,
						args = point.shapeArgs;

					if (graphic) {
						// start values
						graphic.attr({
							r: point.startR || (series.center[3] / 2), // animate from inner radius (#779)
							start: startAngleRad,
							end: startAngleRad
						});

						// animate
						graphic.animate({
							r: args.r,
							start: args.start,
							end: args.end
						}, series.options.animation);
					}
				});

				// delete this function to allow it only once
				series.animate = null;
			}
		},

		/**
		 * Extend the basic setData method by running processData and generatePoints immediately,
		 * in order to access the points from the legend.
		 */
		setData: function (data, redraw, animation, updatePoints) {
			Series.prototype.setData.call(this, data, false, animation, updatePoints);
			this.processData();
			this.generatePoints();
			if (pick(redraw, true)) {
				this.chart.redraw(animation);
			} 
		},

		/**
		 * Recompute total chart sum and update percentages of points.
		 */
		updateTotals: function () {
			var i,
				total = 0,
				points = this.points,
				len = points.length,
				point,
				ignoreHiddenPoint = this.options.ignoreHiddenPoint;

			// Get the total sum
			for (i = 0; i < len; i++) {
				point = points[i];
				total += (ignoreHiddenPoint && !point.visible) ? 0 : point.y;
			}
			this.total = total;

			// Set each point's properties
			for (i = 0; i < len; i++) {
				point = points[i];
				point.percentage = (total > 0 && (point.visible || !ignoreHiddenPoint)) ? point.y / total * 100 : 0;
				point.total = total;
			}
		},

		/**
		 * Extend the generatePoints method by adding total and percentage properties to each point
		 */
		generatePoints: function () {
			Series.prototype.generatePoints.call(this);
			this.updateTotals();
		},
		
		/**
		 * Do translation for pie slices
		 */
		translate: function (positions) {
			this.generatePoints();
			
			var series = this,
				cumulative = 0,
				precision = 1000, // issue #172
				options = series.options,
				slicedOffset = options.slicedOffset,
				connectorOffset = slicedOffset + options.borderWidth,
				start,
				end,
				angle,
				startAngle = options.startAngle || 0,
				startAngleRad = series.startAngleRad = mathPI / 180 * (startAngle - 90),
				endAngleRad = series.endAngleRad = mathPI / 180 * ((pick(options.endAngle, startAngle + 360)) - 90),
				circ = endAngleRad - startAngleRad, //2 * mathPI,
				points = series.points,
				radiusX, // the x component of the radius vector for a given point
				radiusY,
				labelDistance = options.dataLabels.distance,
				ignoreHiddenPoint = options.ignoreHiddenPoint,
				i,
				len = points.length,
				point;

			// Get positions - either an integer or a percentage string must be given.
			// If positions are passed as a parameter, we're in a recursive loop for adjusting
			// space for data labels.
			if (!positions) {
				series.center = positions = series.getCenter();
			}

			// utility for getting the x value from a given y, used for anticollision logic in data labels
			series.getX = function (y, left) {

				angle = math.asin(mathMin((y - positions[1]) / (positions[2] / 2 + labelDistance), 1));

				return positions[0] +
					(left ? -1 : 1) *
					(mathCos(angle) * (positions[2] / 2 + labelDistance));
			};

			// Calculate the geometry for each point
			for (i = 0; i < len; i++) {
				
				point = points[i];
				
				// set start and end angle
				start = startAngleRad + (cumulative * circ);
				if (!ignoreHiddenPoint || point.visible) {
					cumulative += point.percentage / 100;
				}
				end = startAngleRad + (cumulative * circ);

				// set the shape
				point.shapeType = 'arc';
				point.shapeArgs = {
					x: positions[0],
					y: positions[1],
					r: positions[2] / 2,
					innerR: positions[3] / 2,
					start: mathRound(start * precision) / precision,
					end: mathRound(end * precision) / precision
				};

				// The angle must stay within -90 and 270 (#2645)
				angle = (end + start) / 2;
				if (angle > 1.5 * mathPI) {
					angle -= 2 * mathPI;
				} else if (angle < -mathPI / 2) {
					angle += 2 * mathPI;
				}

				// Center for the sliced out slice
				point.slicedTranslation = {
					translateX: mathRound(mathCos(angle) * slicedOffset),
					translateY: mathRound(mathSin(angle) * slicedOffset)
				};

				// set the anchor point for tooltips
				radiusX = mathCos(angle) * positions[2] / 2;
				radiusY = mathSin(angle) * positions[2] / 2;
				point.tooltipPos = [
					positions[0] + radiusX * 0.7,
					positions[1] + radiusY * 0.7
				];
				
				point.half = angle < -mathPI / 2 || angle > mathPI / 2 ? 1 : 0;
				point.angle = angle;

				// set the anchor point for data labels
				connectorOffset = mathMin(connectorOffset, labelDistance / 2); // #1678
				point.labelPos = [
					positions[0] + radiusX + mathCos(angle) * labelDistance, // first break of connector
					positions[1] + radiusY + mathSin(angle) * labelDistance, // a/a
					positions[0] + radiusX + mathCos(angle) * connectorOffset, // second break, right outside pie
					positions[1] + radiusY + mathSin(angle) * connectorOffset, // a/a
					positions[0] + radiusX, // landing point for connector
					positions[1] + radiusY, // a/a
					labelDistance < 0 ? // alignment
						'center' :
						point.half ? 'right' : 'left', // alignment
					angle // center angle
				];

			}
		},
		
		drawGraph: null,

		/**
		 * Draw the data points
		 */
		drawPoints: function () {
			var series = this,
				chart = series.chart,
				renderer = chart.renderer,
				groupTranslation,
				//center,
				graphic,
				//group,
				shadow = series.options.shadow,
				shadowGroup,
				shapeArgs;

			if (shadow && !series.shadowGroup) {
				series.shadowGroup = renderer.g('shadow')
					.add(series.group);
			}

			// draw the slices
			each(series.points, function (point) {
				graphic = point.graphic;
				shapeArgs = point.shapeArgs;
				shadowGroup = point.shadowGroup;

				// put the shadow behind all points
				if (shadow && !shadowGroup) {
					shadowGroup = point.shadowGroup = renderer.g('shadow')
						.add(series.shadowGroup);
				}

				// if the point is sliced, use special translation, else use plot area traslation
				groupTranslation = point.sliced ? point.slicedTranslation : {
					translateX: 0,
					translateY: 0
				};

				//group.translate(groupTranslation[0], groupTranslation[1]);
				if (shadowGroup) {
					shadowGroup.attr(groupTranslation);
				}

				// draw the slice
				if (graphic) {
					graphic.animate(extend(shapeArgs, groupTranslation));				
				} else {
					point.graphic = graphic = renderer[point.shapeType](shapeArgs)
						.setRadialReference(series.center)
						.attr(
							point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE]
						)
						.attr({ 
							'stroke-linejoin': 'round'
							//zIndex: 1 // #2722 (reversed)
						})
						.attr(groupTranslation)
						.add(series.group)
						.shadow(shadow, shadowGroup);	
				}

			});

		},


		searchPoint: noop,

		/**
		 * Utility for sorting data labels
		 */
		sortByAngle: function (points, sign) {
			points.sort(function (a, b) {
				return a.angle !== undefined && (b.angle - a.angle) * sign;
			});
		},		

		/**
		 * Use a simple symbol from LegendSymbolMixin
		 */
		drawLegendSymbol: LegendSymbolMixin.drawRectangle,

		/**
		 * Use the getCenter method from drawLegendSymbol
		 */
		getCenter: CenteredSeriesMixin.getCenter,

		/**
		 * Pies don't have point marker symbols
		 */
		getSymbol: noop

	};
	PieSeries = extendClass(Series, PieSeries);
	seriesTypes.pie = PieSeries;

	/**
	 * Draw the data labels
	 */
	Series.prototype.drawDataLabels = function () {

		var series = this,
			seriesOptions = series.options,
			cursor = seriesOptions.cursor,
			options = seriesOptions.dataLabels,
			points = series.points,
			pointOptions,
			generalOptions,
			hasRendered = series.hasRendered || 0,
			str,
			dataLabelsGroup,
			renderer = series.chart.renderer;

		if (options.enabled || series._hasPointLabels) {

			// Process default alignment of data labels for columns
			if (series.dlProcessOptions) {
				series.dlProcessOptions(options);
			}

			// Create a separate group for the data labels to avoid rotation
			dataLabelsGroup = series.plotGroup(
				'dataLabelsGroup',
				'data-labels',
				options.defer ? HIDDEN : VISIBLE,
				options.zIndex || 6
			);

			if (pick(options.defer, true)) {
				dataLabelsGroup.attr({ opacity: +hasRendered }); // #3300
				if (!hasRendered) {
					addEvent(series, 'afterAnimate', function () {
						if (series.visible) { // #3023, #3024
							dataLabelsGroup.show();
						}
						dataLabelsGroup[seriesOptions.animation ? 'animate' : 'attr']({ opacity: 1 }, { duration: 200 });
					});
				}
			}

			// Make the labels for each point
			generalOptions = options;
			each(points, function (point) {

				var enabled,
					dataLabel = point.dataLabel,
					labelConfig,
					attr,
					name,
					rotation,
					connector = point.connector,
					isNew = true,
					style,
					moreStyle = {};

				// Determine if each data label is enabled
				pointOptions = point.dlOptions || (point.options && point.options.dataLabels); // dlOptions is used in treemaps
				enabled = pick(pointOptions && pointOptions.enabled, generalOptions.enabled); // #2282


				// If the point is outside the plot area, destroy it. #678, #820
				if (dataLabel && !enabled) {
					point.dataLabel = dataLabel.destroy();

				// Individual labels are disabled if the are explicitly disabled
				// in the point options, or if they fall outside the plot area.
				} else if (enabled) {

					// Create individual options structure that can be extended without
					// affecting others
					options = merge(generalOptions, pointOptions);
					style = options.style;

					rotation = options.rotation;

					// Get the string
					labelConfig = point.getLabelConfig();
					str = options.format ?
						format(options.format, labelConfig) :
						options.formatter.call(labelConfig, options);

					// Determine the color
					style.color = pick(options.color, style.color, series.color, 'black');


					// update existing label
					if (dataLabel) {

						if (defined(str)) {
							dataLabel
								.attr({
									text: str
								});
							isNew = false;

						} else { // #1437 - the label is shown conditionally
							point.dataLabel = dataLabel = dataLabel.destroy();
							if (connector) {
								point.connector = connector.destroy();
							}
						}

					// create new label
					} else if (defined(str)) {
						attr = {
							//align: align,
							fill: options.backgroundColor,
							stroke: options.borderColor,
							'stroke-width': options.borderWidth,
							r: options.borderRadius || 0,
							rotation: rotation,
							padding: options.padding,
							zIndex: 1
						};
						
						// Get automated contrast color
						if (style.color === 'contrast') {
							moreStyle.color = options.inside || options.distance < 0 || !!seriesOptions.stacking ? 
								renderer.getContrast(point.color || series.color) : 
								'#000000';
						}
						if (cursor) {
							moreStyle.cursor = cursor;
						}
						

						// Remove unused attributes (#947)
						for (name in attr) {
							if (attr[name] === UNDEFINED) {
								delete attr[name];
							}
						}

						dataLabel = point.dataLabel = renderer[rotation ? 'text' : 'label']( // labels don't support rotation
							str,
							0,
							-999,
							options.shape,
							null,
							null,
							options.useHTML
						)
						.attr(attr)
						.css(extend(style, moreStyle))
						.add(dataLabelsGroup)
						.shadow(options.shadow);

					}

					if (dataLabel) {
						// Now the data label is created and placed at 0,0, so we need to align it
						series.alignDataLabel(point, dataLabel, options, null, isNew);
					}
				}
			});
		}
	};

	/**
	 * Align each individual data label
	 */
	Series.prototype.alignDataLabel = function (point, dataLabel, options, alignTo, isNew) {
		var chart = this.chart,
			inverted = chart.inverted,
			plotX = pick(point.plotX, -999),
			plotY = pick(point.plotY, -999),
			bBox = dataLabel.getBBox(),
			baseline = chart.renderer.fontMetrics(options.style.fontSize).b,
			rotCorr, // rotation correction
			// Math.round for rounding errors (#2683), alignTo to allow column labels (#2700)
			visible = this.visible && (point.series.forceDL || chart.isInsidePlot(plotX, mathRound(plotY), inverted) ||
				(alignTo && chart.isInsidePlot(plotX, inverted ? alignTo.x + 1 : alignTo.y + alignTo.height - 1, inverted))),
			alignAttr; // the final position;

		if (visible) {

			// The alignment box is a singular point
			alignTo = extend({
				x: inverted ? chart.plotWidth - plotY : plotX,
				y: mathRound(inverted ? chart.plotHeight - plotX : plotY),
				width: 0,
				height: 0
			}, alignTo);

			// Add the text size for alignment calculation
			extend(options, {
				width: bBox.width,
				height: bBox.height
			});

			// Allow a hook for changing alignment in the last moment, then do the alignment
			if (options.rotation) { // Fancy box alignment isn't supported for rotated text
				rotCorr = chart.renderer.rotCorr(baseline, options.rotation); // #3723
				dataLabel[isNew ? 'attr' : 'animate']({
						x: alignTo.x + options.x + alignTo.width / 2 + rotCorr.x,
						y: alignTo.y + options.y + alignTo.height / 2
					})
					.attr({ // #3003
						align: options.align
					});
			} else {
				dataLabel.align(options, null, alignTo);
				alignAttr = dataLabel.alignAttr;

				// Handle justify or crop
				if (pick(options.overflow, 'justify') === 'justify') {
					this.justifyDataLabel(dataLabel, options, alignAttr, bBox, alignTo, isNew);

				} else if (pick(options.crop, true)) {
					// Now check that the data label is within the plot area
					visible = chart.isInsidePlot(alignAttr.x, alignAttr.y) && chart.isInsidePlot(alignAttr.x + bBox.width, alignAttr.y + bBox.height);

				}

				// When we're using a shape, make it possible with a connector or an arrow pointing to thie point
				if (options.shape) {
					dataLabel.attr({
						anchorX: point.plotX,
						anchorY: point.plotY
					});
				}

			}
		}

		// Show or hide based on the final aligned position
		if (!visible) {
			dataLabel.attr({ y: -999 });
			dataLabel.placed = false; // don't animate back in
		}

	};

	/**
	 * If data labels fall partly outside the plot area, align them back in, in a way that
	 * doesn't hide the point.
	 */
	Series.prototype.justifyDataLabel = function (dataLabel, options, alignAttr, bBox, alignTo, isNew) {
		var chart = this.chart,
			align = options.align,
			verticalAlign = options.verticalAlign,
			off,
			justified,
			padding = dataLabel.box ? 0 : (dataLabel.padding || 0);

		// Off left
		off = alignAttr.x + padding;
		if (off < 0) {
			if (align === 'right') {
				options.align = 'left';
			} else {
				options.x = -off;
			}
			justified = true;
		}

		// Off right
		off = alignAttr.x + bBox.width - padding;
		if (off > chart.plotWidth) {
			if (align === 'left') {
				options.align = 'right';
			} else {
				options.x = chart.plotWidth - off;
			}
			justified = true;
		}

		// Off top
		off = alignAttr.y + padding;
		if (off < 0) {
			if (verticalAlign === 'bottom') {
				options.verticalAlign = 'top';
			} else {
				options.y = -off;
			}
			justified = true;
		}

		// Off bottom
		off = alignAttr.y + bBox.height - padding;
		if (off > chart.plotHeight) {
			if (verticalAlign === 'top') {
				options.verticalAlign = 'bottom';
			} else {
				options.y = chart.plotHeight - off;
			}
			justified = true;
		}

		if (justified) {
			dataLabel.placed = !isNew;
			dataLabel.align(options, null, alignTo);
		}
	};

	/**
	 * Override the base drawDataLabels method by pie specific functionality
	 */
	if (seriesTypes.pie) {
		seriesTypes.pie.prototype.drawDataLabels = function () {
			var series = this,
				data = series.data,
				point,
				chart = series.chart,
				options = series.options.dataLabels,
				connectorPadding = pick(options.connectorPadding, 10),
				connectorWidth = pick(options.connectorWidth, 1),
				plotWidth = chart.plotWidth,
				plotHeight = chart.plotHeight,
				connector,
				connectorPath,
				softConnector = pick(options.softConnector, true),
				distanceOption = options.distance,
				seriesCenter = series.center,
				radius = seriesCenter[2] / 2,
				centerY = seriesCenter[1],
				outside = distanceOption > 0,
				dataLabel,
				dataLabelWidth,
				labelPos,
				labelHeight,
				halves = [// divide the points into right and left halves for anti collision
					[], // right
					[]  // left
				],
				x,
				y,
				visibility,
				rankArr,
				i,
				j,
				overflow = [0, 0, 0, 0], // top, right, bottom, left
				sort = function (a, b) {
					return b.y - a.y;
				};

			// get out if not enabled
			if (!series.visible || (!options.enabled && !series._hasPointLabels)) {
				return;
			}

			// run parent method
			Series.prototype.drawDataLabels.apply(series);

			// arrange points for detection collision
			each(data, function (point) {
				if (point.dataLabel && point.visible) { // #407, #2510
					halves[point.half].push(point);
				}
			});

			/* Loop over the points in each half, starting from the top and bottom
			 * of the pie to detect overlapping labels.
			 */
			i = 2;
			while (i--) {

				var slots = [],
					slotsLength,
					usedSlots = [],
					points = halves[i],
					pos,
					bottom,
					length = points.length,
					slotIndex;

				if (!length) {
					continue;
				}

				// Sort by angle
				series.sortByAngle(points, i - 0.5);

				// Assume equal label heights on either hemisphere (#2630)
				j = labelHeight = 0;
				while (!labelHeight && points[j]) { // #1569
					labelHeight = points[j] && points[j].dataLabel && (points[j].dataLabel.getBBox().height || 21); // 21 is for #968
					j++;
				}

				// Only do anti-collision when we are outside the pie and have connectors (#856)
				if (distanceOption > 0) {

					// Build the slots
					bottom = mathMin(centerY + radius + distanceOption, chart.plotHeight);
					for (pos = mathMax(0, centerY - radius - distanceOption); pos <= bottom; pos += labelHeight) {
						slots.push(pos);
					}
					slotsLength = slots.length;


					/* Visualize the slots
					if (!series.slotElements) {
						series.slotElements = [];
					}
					if (i === 1) {
						series.slotElements.forEach(function (elem) {
							elem.destroy();
						});
						series.slotElements.length = 0;
					}
						
					slots.forEach(function (pos, no) {
						var slotX = series.getX(pos, i) + chart.plotLeft - (i ? 100 : 0),
							slotY = pos + chart.plotTop;
						
						if (!isNaN(slotX)) {
							series.slotElements.push(chart.renderer.rect(slotX, slotY - 7, 100, labelHeight, 1)
								.attr({
									'stroke-width': 1,
									stroke: 'silver',
									fill: 'rgba(0,0,255,0.1)'
								})
								.add());
							series.slotElements.push(chart.renderer.text('Slot '+ no, slotX, slotY + 4)
								.attr({
									fill: 'silver'
								}).add());
						}
					});
					// */

					// if there are more values than available slots, remove lowest values
					if (length > slotsLength) {
						// create an array for sorting and ranking the points within each quarter
						rankArr = [].concat(points);
						rankArr.sort(sort);
						j = length;
						while (j--) {
							rankArr[j].rank = j;
						}
						j = length;
						while (j--) {
							if (points[j].rank >= slotsLength) {
								points.splice(j, 1);
							}
						}
						length = points.length;
					}

					// The label goes to the nearest open slot, but not closer to the edge than
					// the label's index.
					for (j = 0; j < length; j++) {

						point = points[j];
						labelPos = point.labelPos;

						var closest = 9999,
							distance,
							slotI;

						// find the closest slot index
						for (slotI = 0; slotI < slotsLength; slotI++) {
							distance = mathAbs(slots[slotI] - labelPos[1]);
							if (distance < closest) {
								closest = distance;
								slotIndex = slotI;
							}
						}

						// if that slot index is closer to the edges of the slots, move it
						// to the closest appropriate slot
						if (slotIndex < j && slots[j] !== null) { // cluster at the top
							slotIndex = j;
						} else if (slotsLength  < length - j + slotIndex && slots[j] !== null) { // cluster at the bottom
							slotIndex = slotsLength - length + j;
							while (slots[slotIndex] === null) { // make sure it is not taken
								slotIndex++;
							}
						} else {
							// Slot is taken, find next free slot below. In the next run, the next slice will find the
							// slot above these, because it is the closest one
							while (slots[slotIndex] === null) { // make sure it is not taken
								slotIndex++;
							}
						}

						usedSlots.push({ i: slotIndex, y: slots[slotIndex] });
						slots[slotIndex] = null; // mark as taken
					}
					// sort them in order to fill in from the top
					usedSlots.sort(sort);
				}

				// now the used slots are sorted, fill them up sequentially
				for (j = 0; j < length; j++) {

					var slot, naturalY;

					point = points[j];
					labelPos = point.labelPos;
					dataLabel = point.dataLabel;
					visibility = point.visible === false ? HIDDEN : VISIBLE;
					naturalY = labelPos[1];

					if (distanceOption > 0) {
						slot = usedSlots.pop();
						slotIndex = slot.i;

						// if the slot next to currrent slot is free, the y value is allowed
						// to fall back to the natural position
						y = slot.y;
						if ((naturalY > y && slots[slotIndex + 1] !== null) ||
								(naturalY < y &&  slots[slotIndex - 1] !== null)) {
							y = mathMin(mathMax(0, naturalY), chart.plotHeight);
						}

					} else {
						y = naturalY;
					}

					// get the x - use the natural x position for first and last slot, to prevent the top
					// and botton slice connectors from touching each other on either side
					x = options.justify ?
						seriesCenter[0] + (i ? -1 : 1) * (radius + distanceOption) :
						series.getX(y === centerY - radius - distanceOption || y === centerY + radius + distanceOption ? naturalY : y, i);


					// Record the placement and visibility
					dataLabel._attr = {
						visibility: visibility,
						align: labelPos[6]
					};
					dataLabel._pos = {
						x: x + options.x +
							({ left: connectorPadding, right: -connectorPadding }[labelPos[6]] || 0),
						y: y + options.y - 10 // 10 is for the baseline (label vs text)
					};
					dataLabel.connX = x;
					dataLabel.connY = y;


					// Detect overflowing data labels
					if (this.options.size === null) {
						dataLabelWidth = dataLabel.width;
						// Overflow left
						if (x - dataLabelWidth < connectorPadding) {
							overflow[3] = mathMax(mathRound(dataLabelWidth - x + connectorPadding), overflow[3]);

						// Overflow right
						} else if (x + dataLabelWidth > plotWidth - connectorPadding) {
							overflow[1] = mathMax(mathRound(x + dataLabelWidth - plotWidth + connectorPadding), overflow[1]);
						}

						// Overflow top
						if (y - labelHeight / 2 < 0) {
							overflow[0] = mathMax(mathRound(-y + labelHeight / 2), overflow[0]);

						// Overflow left
						} else if (y + labelHeight / 2 > plotHeight) {
							overflow[2] = mathMax(mathRound(y + labelHeight / 2 - plotHeight), overflow[2]);
						}
					}
				} // for each point
			} // for each half

			// Do not apply the final placement and draw the connectors until we have verified
			// that labels are not spilling over.
			if (arrayMax(overflow) === 0 || this.verifyDataLabelOverflow(overflow)) {

				// Place the labels in the final position
				this.placeDataLabels();

				// Draw the connectors
				if (outside && connectorWidth) {
					each(this.points, function (point) {
						connector = point.connector;
						labelPos = point.labelPos;
						dataLabel = point.dataLabel;

						if (dataLabel && dataLabel._pos && point.visible) {
							visibility = dataLabel._attr.visibility;
							x = dataLabel.connX;
							y = dataLabel.connY;
							connectorPath = softConnector ? [
								M,
								x + (labelPos[6] === 'left' ? 5 : -5), y, // end of the string at the label
								'C',
								x, y, // first break, next to the label
								2 * labelPos[2] - labelPos[4], 2 * labelPos[3] - labelPos[5],
								labelPos[2], labelPos[3], // second break
								L,
								labelPos[4], labelPos[5] // base
							] : [
								M,
								x + (labelPos[6] === 'left' ? 5 : -5), y, // end of the string at the label
								L,
								labelPos[2], labelPos[3], // second break
								L,
								labelPos[4], labelPos[5] // base
							];

							if (connector) {
								connector.animate({ d: connectorPath });
								connector.attr('visibility', visibility);

							} else {
								point.connector = connector = series.chart.renderer.path(connectorPath).attr({
									'stroke-width': connectorWidth,
									stroke: options.connectorColor || point.color || '#606060',
									visibility: visibility
									//zIndex: 0 // #2722 (reversed)
								})
								.add(series.dataLabelsGroup);
							}
						} else if (connector) {
							point.connector = connector.destroy();
						}
					});
				}
			}
		};
		/**
		 * Perform the final placement of the data labels after we have verified that they
		 * fall within the plot area.
		 */
		seriesTypes.pie.prototype.placeDataLabels = function () {
			each(this.points, function (point) {
				var dataLabel = point.dataLabel,
					_pos;

				if (dataLabel && point.visible) {
					_pos = dataLabel._pos;
					if (_pos) {
						dataLabel.attr(dataLabel._attr);
						dataLabel[dataLabel.moved ? 'animate' : 'attr'](_pos);
						dataLabel.moved = true;
					} else if (dataLabel) {
						dataLabel.attr({ y: -999 });
					}
				}
			});
		};

		seriesTypes.pie.prototype.alignDataLabel =  noop;

		/**
		 * Verify whether the data labels are allowed to draw, or we should run more translation and data
		 * label positioning to keep them inside the plot area. Returns true when data labels are ready
		 * to draw.
		 */
		seriesTypes.pie.prototype.verifyDataLabelOverflow = function (overflow) {

			var center = this.center,
				options = this.options,
				centerOption = options.center,
				minSize = options.minSize || 80,
				newSize = minSize,
				ret;

			// Handle horizontal size and center
			if (centerOption[0] !== null) { // Fixed center
				newSize = mathMax(center[2] - mathMax(overflow[1], overflow[3]), minSize);

			} else { // Auto center
				newSize = mathMax(
					center[2] - overflow[1] - overflow[3], // horizontal overflow
					minSize
				);
				center[0] += (overflow[3] - overflow[1]) / 2; // horizontal center
			}

			// Handle vertical size and center
			if (centerOption[1] !== null) { // Fixed center
				newSize = mathMax(mathMin(newSize, center[2] - mathMax(overflow[0], overflow[2])), minSize);

			} else { // Auto center
				newSize = mathMax(
					mathMin(
						newSize,
						center[2] - overflow[0] - overflow[2] // vertical overflow
					),
					minSize
				);
				center[1] += (overflow[0] - overflow[2]) / 2; // vertical center
			}

			// If the size must be decreased, we need to run translate and drawDataLabels again
			if (newSize < center[2]) {
				this.center = this.getCenter(newSize);
				this.translate(this.center);
				each(this.points, function (point) {
					if (point.dataLabel) {
						point.dataLabel._pos = null; // reset
					}
				});

				if (this.drawDataLabels) {
					this.drawDataLabels();
				}
			// Else, return true to indicate that the pie and its labels is within the plot area
			} else {
				ret = true;
			}
			return ret;
		};
	}

	if (seriesTypes.column) {

		/**
		 * Override the basic data label alignment by adjusting for the position of the column
		 */
		seriesTypes.column.prototype.alignDataLabel = function (point, dataLabel, options,  alignTo, isNew) {
			var inverted = this.chart.inverted,
				series = point.series,
				dlBox = point.dlBox || point.shapeArgs, // data label box for alignment
				below = pick(point.below, point.plotY > pick(this.translatedThreshold, series.yAxis.len)), // point.below is used in range series
				inside = pick(options.inside, !!this.options.stacking); // draw it inside the box?

			// Align to the column itself, or the top of it
			if (dlBox) { // Area range uses this method but not alignTo
				alignTo = merge(dlBox);

				if (inverted) {
					alignTo = {
						x: series.yAxis.len - alignTo.y - alignTo.height,
						y: series.xAxis.len - alignTo.x - alignTo.width,
						width: alignTo.height,
						height: alignTo.width
					};
				}

				// Compute the alignment box
				if (!inside) {
					if (inverted) {
						alignTo.x += below ? 0 : alignTo.width;
						alignTo.width = 0;
					} else {
						alignTo.y += below ? alignTo.height : 0;
						alignTo.height = 0;
					}
				}
			}


			// When alignment is undefined (typically columns and bars), display the individual
			// point below or above the point depending on the threshold
			options.align = pick(
				options.align,
				!inverted || inside ? 'center' : below ? 'right' : 'left'
			);
			options.verticalAlign = pick(
				options.verticalAlign,
				inverted || inside ? 'middle' : below ? 'top' : 'bottom'
			);

			// Call the parent method
			Series.prototype.alignDataLabel.call(this, point, dataLabel, options, alignTo, isNew);
		};
	}



	/**
	 * Highcharts JS v4.1.5-modified ()
	 * Highcharts module to hide overlapping data labels. This module is included by default in Highmaps.
	 *
	 * (c) 2010-2014 Torstein Honsi
	 *
	 * License: www.highcharts.com/license
	 */

	/*global Highcharts, HighchartsAdapter */
	(function (H) {
		var Chart = H.Chart,
			each = H.each,
			pick = H.pick,
			addEvent = HighchartsAdapter.addEvent;

		// Collect potensial overlapping data labels. Stack labels probably don't need to be 
		// considered because they are usually accompanied by data labels that lie inside the columns.
		Chart.prototype.callbacks.push(function (chart) {
			function collectAndHide() {
				var labels = [];

				each(chart.series, function (series) {
					var dlOptions = series.options.dataLabels;
					if ((dlOptions.enabled || series._hasPointLabels) && !dlOptions.allowOverlap && series.visible) { // #3866
						each(series.points, function (point) { 
							if (point.dataLabel) {
								point.dataLabel.labelrank = pick(point.labelrank, point.shapeArgs && point.shapeArgs.height); // #4118
								labels.push(point.dataLabel);
							}
						});
					}
				});
				chart.hideOverlappingLabels(labels);
			}

			// Do it now ...
			collectAndHide();

			// ... and after each chart redraw
			addEvent(chart, 'redraw', collectAndHide);

		});

		/**
		 * Hide overlapping labels. Labels are moved and faded in and out on zoom to provide a smooth 
		 * visual imression.
		 */		
		Chart.prototype.hideOverlappingLabels = function (labels) {

			var len = labels.length,
				label,
				i,
				j,
				label1,
				label2,
				intersectRect = function (pos1, pos2, size1, size2) {
					return !(
						pos2.x > pos1.x + size1.width ||
						pos2.x + size2.width < pos1.x ||
						pos2.y > pos1.y + size1.height ||
						pos2.y + size2.height < pos1.y
					);
				};
		
			// Mark with initial opacity
			for (i = 0; i < len; i++) {
				label = labels[i];
				if (label) {
					label.oldOpacity = label.opacity;
					label.newOpacity = 1;
				}
			}

			// Prevent a situation in a gradually rising slope, that each label
			// will hide the previous one because the previous one always has
			// lower rank.
			labels.sort(function (a, b) {
				return b.labelrank - a.labelrank;
			});

			// Detect overlapping labels
			for (i = 0; i < len; i++) {
				label1 = labels[i];

				for (j = i + 1; j < len; ++j) {
					label2 = labels[j];
					if (label1 && label2 && label1.placed && label2.placed && label1.newOpacity !== 0 && label2.newOpacity !== 0 && 
							intersectRect(label1.alignAttr, label2.alignAttr, label1, label2)) {
						(label1.labelrank < label2.labelrank ? label1 : label2).newOpacity = 0;
					}
				}
			}

			// Hide or show
			for (i = 0; i < len; i++) {
				label = labels[i];
				if (label) {
					if (label.oldOpacity !== label.newOpacity && label.placed) {
						label.alignAttr.opacity = label.newOpacity;
						label[label.isOld && label.newOpacity ? 'animate' : 'attr'](label.alignAttr);
					}
					label.isOld = true;
				}
			}
		};

	}(Highcharts));/**
	 * TrackerMixin for points and graphs
	 */

	var TrackerMixin = Highcharts.TrackerMixin = {

		drawTrackerPoint: function () {
			var series = this,
				chart = series.chart,
				pointer = chart.pointer,
				cursor = series.options.cursor,
				css = cursor && { cursor: cursor },
				onMouseOver = function (e) {
					var target = e.target,
					point;

					while (target && !point) {
						point = target.point;
						target = target.parentNode;
					}

					if (point !== UNDEFINED && point !== chart.hoverPoint) { // undefined on graph in scatterchart
						point.onMouseOver(e);
					}
				};

			// Add reference to the point
			each(series.points, function (point) {
				if (point.graphic) {
					point.graphic.element.point = point;
				}
				if (point.dataLabel) {
					point.dataLabel.element.point = point;
				}
			});

			// Add the event listeners, we need to do this only once
			if (!series._hasTracking) {
				each(series.trackerGroups, function (key) {
					if (series[key]) { // we don't always have dataLabelsGroup
						series[key]
							.addClass(PREFIX + 'tracker')
							.on('mouseover', onMouseOver)
							.on('mouseout', function (e) { pointer.onTrackerMouseOut(e); })
							.css(css);
						if (hasTouch) {
							series[key].on('touchstart', onMouseOver);
						}
					}
				});
				series._hasTracking = true;
			}
		},

		/**
		 * Draw the tracker object that sits above all data labels and markers to
		 * track mouse events on the graph or points. For the line type charts
		 * the tracker uses the same graphPath, but with a greater stroke width
		 * for better control.
		 */
		drawTrackerGraph: function () {
			var series = this,
				options = series.options,
				trackByArea = options.trackByArea,
				trackerPath = [].concat(trackByArea ? series.areaPath : series.graphPath),
				trackerPathLength = trackerPath.length,
				chart = series.chart,
				pointer = chart.pointer,
				renderer = chart.renderer,
				snap = chart.options.tooltip.snap,
				tracker = series.tracker,
				cursor = options.cursor,
				css = cursor && { cursor: cursor },
				singlePoints = series.singlePoints,
				singlePoint,
				i,
				onMouseOver = function () {
					if (chart.hoverSeries !== series) {
						series.onMouseOver();
					}
				},
				/*
				 * Empirical lowest possible opacities for TRACKER_FILL for an element to stay invisible but clickable
				 * IE6: 0.002
				 * IE7: 0.002
				 * IE8: 0.002
				 * IE9: 0.00000000001 (unlimited)
				 * IE10: 0.0001 (exporting only)
				 * FF: 0.00000000001 (unlimited)
				 * Chrome: 0.000001
				 * Safari: 0.000001
				 * Opera: 0.00000000001 (unlimited)
				 */
				TRACKER_FILL = 'rgba(192,192,192,' + (hasSVG ? 0.0001 : 0.002) + ')';

			// Extend end points. A better way would be to use round linecaps,
			// but those are not clickable in VML.
			if (trackerPathLength && !trackByArea) {
				i = trackerPathLength + 1;
				while (i--) {
					if (trackerPath[i] === M) { // extend left side
						trackerPath.splice(i + 1, 0, trackerPath[i + 1] - snap, trackerPath[i + 2], L);
					}
					if ((i && trackerPath[i] === M) || i === trackerPathLength) { // extend right side
						trackerPath.splice(i, 0, L, trackerPath[i - 2] + snap, trackerPath[i - 1]);
					}
				}
			}

			// handle single points
			for (i = 0; i < singlePoints.length; i++) {
				singlePoint = singlePoints[i];
				trackerPath.push(M, singlePoint.plotX - snap, singlePoint.plotY,
				L, singlePoint.plotX + snap, singlePoint.plotY);
			}

			// draw the tracker
			if (tracker) {
				tracker.attr({ d: trackerPath });
			} else { // create

				series.tracker = renderer.path(trackerPath)
				.attr({
					'stroke-linejoin': 'round', // #1225
					visibility: series.visible ? VISIBLE : HIDDEN,
					stroke: TRACKER_FILL,
					fill: trackByArea ? TRACKER_FILL : NONE,
					'stroke-width' : options.lineWidth + (trackByArea ? 0 : 2 * snap),
					zIndex: 2
				})
				.add(series.group);

				// The tracker is added to the series group, which is clipped, but is covered
				// by the marker group. So the marker group also needs to capture events.
				each([series.tracker, series.markerGroup], function (tracker) {
					tracker.addClass(PREFIX + 'tracker')
						.on('mouseover', onMouseOver)
						.on('mouseout', function (e) { pointer.onTrackerMouseOut(e); })
						.css(css);

					if (hasTouch) {
						tracker.on('touchstart', onMouseOver);
					}
				});
			}
		}
	};
	/* End TrackerMixin */


	/**
	 * Add tracking event listener to the series group, so the point graphics
	 * themselves act as trackers
	 */ 

	if (seriesTypes.column) {
		ColumnSeries.prototype.drawTracker = TrackerMixin.drawTrackerPoint;	
	}

	if (seriesTypes.pie) {
		seriesTypes.pie.prototype.drawTracker = TrackerMixin.drawTrackerPoint;
	}

	if (seriesTypes.scatter) {
		ScatterSeries.prototype.drawTracker = TrackerMixin.drawTrackerPoint;
	}

	/* 
	 * Extend Legend for item events 
	 */ 
	extend(Legend.prototype, {

		setItemEvents: function (item, legendItem, useHTML, itemStyle, itemHiddenStyle) {
		var legend = this;
		// Set the events on the item group, or in case of useHTML, the item itself (#1249)
		(useHTML ? legendItem : item.legendGroup).on('mouseover', function () {
				item.setState(HOVER_STATE);
				legendItem.css(legend.options.itemHoverStyle);
			})
			.on('mouseout', function () {
				legendItem.css(item.visible ? itemStyle : itemHiddenStyle);
				item.setState();
			})
			.on('click', function (event) {
				var strLegendItemClick = 'legendItemClick',
					fnLegendItemClick = function () {
						item.setVisible();
					};
					
				// Pass over the click/touch event. #4.
				event = {
					browserEvent: event
				};

				// click the name or symbol
				if (item.firePointEvent) { // point
					item.firePointEvent(strLegendItemClick, event, fnLegendItemClick);
				} else {
					fireEvent(item, strLegendItemClick, event, fnLegendItemClick);
				}
			});
		},

		createCheckboxForItem: function (item) {
			var legend = this;

			item.checkbox = createElement('input', {
				type: 'checkbox',
				checked: item.selected,
				defaultChecked: item.selected // required by IE7
			}, legend.options.itemCheckboxStyle, legend.chart.container);

			addEvent(item.checkbox, 'click', function (event) {
				var target = event.target;
				fireEvent(item.series || item, 'checkboxClick', { // #3712
						checked: target.checked,
						item: item
					},
					function () {
						item.select();
					}
				);
			});
		}	
	});

	/* 
	 * Add pointer cursor to legend itemstyle in defaultOptions
	 */
	defaultOptions.legend.itemStyle.cursor = 'pointer';


	/* 
	 * Extend the Chart object with interaction
	 */

	extend(Chart.prototype, {
		/**
		 * Display the zoom button
		 */
		showResetZoom: function () {
			var chart = this,
				lang = defaultOptions.lang,
				btnOptions = chart.options.chart.resetZoomButton,
				theme = btnOptions.theme,
				states = theme.states,
				alignTo = btnOptions.relativeTo === 'chart' ? null : 'plotBox';
				
			this.resetZoomButton = chart.renderer.button(lang.resetZoom, null, null, function () { chart.zoomOut(); }, theme, states && states.hover)
				.attr({
					align: btnOptions.position.align,
					title: lang.resetZoomTitle
				})
				.add()
				.align(btnOptions.position, false, alignTo);
				
		},

		/**
		 * Zoom out to 1:1
		 */
		zoomOut: function () {
			var chart = this;
			fireEvent(chart, 'selection', { resetSelection: true }, function () { 
				chart.zoom();
			});
		},

		/**
		 * Zoom into a given portion of the chart given by axis coordinates
		 * @param {Object} event
		 */
		zoom: function (event) {
			var chart = this,
				hasZoomed,
				pointer = chart.pointer,
				displayButton = false,
				resetZoomButton;

			// If zoom is called with no arguments, reset the axes
			if (!event || event.resetSelection) {
				each(chart.axes, function (axis) {
					hasZoomed = axis.zoom();
				});
			} else { // else, zoom in on all axes
				each(event.xAxis.concat(event.yAxis), function (axisData) {
					var axis = axisData.axis,
						isXAxis = axis.isXAxis;

					// don't zoom more than minRange
					if (pointer[isXAxis ? 'zoomX' : 'zoomY'] || pointer[isXAxis ? 'pinchX' : 'pinchY']) {
						hasZoomed = axis.zoom(axisData.min, axisData.max);
						if (axis.displayBtn) {
							displayButton = true;
						}
					}
				});
			}
			
			// Show or hide the Reset zoom button
			resetZoomButton = chart.resetZoomButton;
			if (displayButton && !resetZoomButton) {
				chart.showResetZoom();
			} else if (!displayButton && isObject(resetZoomButton)) {
				chart.resetZoomButton = resetZoomButton.destroy();
			}
			

			// Redraw
			if (hasZoomed) {
				chart.redraw(
					pick(chart.options.chart.animation, event && event.animation, chart.pointCount < 100) // animation
				);
			}
		},

		/**
		 * Pan the chart by dragging the mouse across the pane. This function is called
		 * on mouse move, and the distance to pan is computed from chartX compared to
		 * the first chartX position in the dragging operation.
		 */
		pan: function (e, panning) {

			var chart = this,
				hoverPoints = chart.hoverPoints,
				doRedraw;

			// remove active points for shared tooltip
			if (hoverPoints) {
				each(hoverPoints, function (point) {
					point.setState();
				});
			}

			each(panning === 'xy' ? [1, 0] : [1], function (isX) { // xy is used in maps
				var mousePos = e[isX ? 'chartX' : 'chartY'],
					axis = chart[isX ? 'xAxis' : 'yAxis'][0],
					startPos = chart[isX ? 'mouseDownX' : 'mouseDownY'],
					halfPointRange = (axis.pointRange || 0) / 2,
					extremes = axis.getExtremes(),
					newMin = axis.toValue(startPos - mousePos, true) + halfPointRange,
					newMax = axis.toValue(startPos + chart[isX ? 'plotWidth' : 'plotHeight'] - mousePos, true) - halfPointRange,
					goingLeft = startPos > mousePos; // #3613

				if (axis.series.length && 
						(goingLeft || newMin > mathMin(extremes.dataMin, extremes.min)) && 
						(!goingLeft || newMax < mathMax(extremes.dataMax, extremes.max))) {
					axis.setExtremes(newMin, newMax, false, false, { trigger: 'pan' });
					doRedraw = true;
				}

				chart[isX ? 'mouseDownX' : 'mouseDownY'] = mousePos; // set new reference for next run
			});

			if (doRedraw) {
				chart.redraw(false);
			}
			css(chart.container, { cursor: 'move' });
		}
	});

	/*
	 * Extend the Point object with interaction
	 */
	extend(Point.prototype, {
		/**
		 * Toggle the selection status of a point
		 * @param {Boolean} selected Whether to select or unselect the point.
		 * @param {Boolean} accumulate Whether to add to the previous selection. By default,
		 *		 this happens if the control key (Cmd on Mac) was pressed during clicking.
		 */
		select: function (selected, accumulate) {
			var point = this,
				series = point.series,
				chart = series.chart;

			selected = pick(selected, !point.selected);

			// fire the event with the defalut handler
			point.firePointEvent(selected ? 'select' : 'unselect', { accumulate: accumulate }, function () {
				point.selected = point.options.selected = selected;
				series.options.data[inArray(point, series.data)] = point.options;

				point.setState(selected && SELECT_STATE);

				// unselect all other points unless Ctrl or Cmd + click
				if (!accumulate) {
					each(chart.getSelectedPoints(), function (loopPoint) {
						if (loopPoint.selected && loopPoint !== point) {
							loopPoint.selected = loopPoint.options.selected = false;
							series.options.data[inArray(loopPoint, series.data)] = loopPoint.options;
							loopPoint.setState(NORMAL_STATE);
								loopPoint.firePointEvent('unselect');
						}
					});
				}
			});
		},

		/**
		 * Runs on mouse over the point
		 */
		onMouseOver: function (e) {
			var point = this,
				series = point.series,
				chart = series.chart,
				tooltip = chart.tooltip,
				hoverPoint = chart.hoverPoint;

			if (chart.hoverSeries !== series) {
				series.onMouseOver();
			}		

			// set normal state to previous series
			if (hoverPoint && hoverPoint !== point) {
				hoverPoint.onMouseOut();
			}

			// trigger the event
			point.firePointEvent('mouseOver');

			// update the tooltip
			if (tooltip && (!tooltip.shared || series.noSharedTooltip)) {
				tooltip.refresh(point, e);
			}

			// hover this
			point.setState(HOVER_STATE);
			chart.hoverPoint = point;
		},

		/**
		 * Runs on mouse out from the point
		 */
		onMouseOut: function () {
			var chart = this.series.chart,
				hoverPoints = chart.hoverPoints;

			this.firePointEvent('mouseOut');

			if (!hoverPoints || inArray(this, hoverPoints) === -1) { // #887, #2240
				this.setState();
				chart.hoverPoint = null;
			}
		},

		/**
		 * Import events from the series' and point's options. Only do it on
		 * demand, to save processing time on hovering.
		 */
		importEvents: function () {
			if (!this.hasImportedEvents) {
				var point = this,
					options = merge(point.series.options.point, point.options),
					events = options.events,
					eventType;

				point.events = events;

				for (eventType in events) {
					addEvent(point, eventType, events[eventType]);
				}
				this.hasImportedEvents = true;

			}
		},

		/**
		 * Set the point's state
		 * @param {String} state
		 */
		setState: function (state, move) {
			var point = this,
				plotX = point.plotX,
				plotY = point.plotY,
				series = point.series,
				stateOptions = series.options.states,
				markerOptions = defaultPlotOptions[series.type].marker && series.options.marker,
				normalDisabled = markerOptions && !markerOptions.enabled,
				markerStateOptions = markerOptions && markerOptions.states[state],
				stateDisabled = markerStateOptions && markerStateOptions.enabled === false,
				stateMarkerGraphic = series.stateMarkerGraphic,
				pointMarker = point.marker || {},
				chart = series.chart,
				radius,
				halo = series.halo,
				haloOptions,
				newSymbol,
				pointAttr;

			state = state || NORMAL_STATE; // empty string
			pointAttr = point.pointAttr[state] || series.pointAttr[state];

			if (
					// already has this state
					(state === point.state && !move) ||
					// selected points don't respond to hover
					(point.selected && state !== SELECT_STATE) ||
					// series' state options is disabled
					(stateOptions[state] && stateOptions[state].enabled === false) ||
					// general point marker's state options is disabled
					(state && (stateDisabled || (normalDisabled && markerStateOptions.enabled === false))) ||
					// individual point marker's state options is disabled
					(state && pointMarker.states && pointMarker.states[state] && pointMarker.states[state].enabled === false) // #1610

				) {
				return;
			}

			// apply hover styles to the existing point
			if (point.graphic) {
				radius = markerOptions && point.graphic.symbolName && pointAttr.r;
				point.graphic.attr(merge(
					pointAttr,
					radius ? { // new symbol attributes (#507, #612)
						x: plotX - radius,
						y: plotY - radius,
						width: 2 * radius,
						height: 2 * radius
					} : {}
				));

				// Zooming in from a range with no markers to a range with markers
				if (stateMarkerGraphic) {
					stateMarkerGraphic.hide();
				}
			} else {
				// if a graphic is not applied to each point in the normal state, create a shared
				// graphic for the hover state
				if (state && markerStateOptions) {
					radius = markerStateOptions.radius;
					newSymbol = pointMarker.symbol || series.symbol;

					// If the point has another symbol than the previous one, throw away the
					// state marker graphic and force a new one (#1459)
					if (stateMarkerGraphic && stateMarkerGraphic.currentSymbol !== newSymbol) {
						stateMarkerGraphic = stateMarkerGraphic.destroy();
					}

					// Add a new state marker graphic
					if (!stateMarkerGraphic) {
						if (newSymbol) {
							series.stateMarkerGraphic = stateMarkerGraphic = chart.renderer.symbol(
								newSymbol,
								plotX - radius,
								plotY - radius,
								2 * radius,
								2 * radius
							)
							.attr(pointAttr)
							.add(series.markerGroup);
							stateMarkerGraphic.currentSymbol = newSymbol;
						}

					// Move the existing graphic
					} else {
						stateMarkerGraphic[move ? 'animate' : 'attr']({ // #1054
							x: plotX - radius,
							y: plotY - radius
						});
					}
				}

				if (stateMarkerGraphic) {
					stateMarkerGraphic[state && chart.isInsidePlot(plotX, plotY, chart.inverted) ? 'show' : 'hide'](); // #2450
				}
			}

			// Show me your halo
			haloOptions = stateOptions[state] && stateOptions[state].halo;
			if (haloOptions && haloOptions.size) {
				if (!halo) {
					series.halo = halo = chart.renderer.path()
						.add(chart.seriesGroup);
				}
				halo.attr(extend({
					fill: Color(point.color || series.color).setOpacity(haloOptions.opacity).get()
				}, haloOptions.attributes))[move ? 'animate' : 'attr']({
					d: point.haloPath(haloOptions.size)
				});
			} else if (halo) {
				halo.attr({ d: [] });
			}

			point.state = state;
		},

		haloPath: function (size) {
			var series = this.series,
				chart = series.chart,
				plotBox = series.getPlotBox(),
				inverted = chart.inverted;

			return chart.renderer.symbols.circle(
				plotBox.translateX + (inverted ? series.yAxis.len - this.plotY : this.plotX) - size, 
				plotBox.translateY + (inverted ? series.xAxis.len - this.plotX : this.plotY) - size, 
				size * 2, 
				size * 2
			);
		}
	});

	/*
	 * Extend the Series object with interaction
	 */

	extend(Series.prototype, {
		/**
		 * Series mouse over handler
		 */
		onMouseOver: function () {
			var series = this,
				chart = series.chart,
				hoverSeries = chart.hoverSeries;

			// set normal state to previous series
			if (hoverSeries && hoverSeries !== series) {
				hoverSeries.onMouseOut();
			}

			// trigger the event, but to save processing time,
			// only if defined
			if (series.options.events.mouseOver) {
				fireEvent(series, 'mouseOver');
			}

			// hover this
			series.setState(HOVER_STATE);
			chart.hoverSeries = series;
		},

		/**
		 * Series mouse out handler
		 */
		onMouseOut: function () {
			// trigger the event only if listeners exist
			var series = this,
				options = series.options,
				chart = series.chart,
				tooltip = chart.tooltip,
				hoverPoint = chart.hoverPoint;

			chart.hoverSeries = null; // #182, set to null before the mouseOut event fires

			// trigger mouse out on the point, which must be in this series
			if (hoverPoint) {
				hoverPoint.onMouseOut();
			}

			// fire the mouse out event
			if (series && options.events.mouseOut) {
				fireEvent(series, 'mouseOut');
			}


			// hide the tooltip
			if (tooltip && !options.stickyTracking && (!tooltip.shared || series.noSharedTooltip)) {
				tooltip.hide();
			}

			// set normal state
			series.setState();
		},

		/**
		 * Set the state of the graph
		 */
		setState: function (state) {
			var series = this,
				options = series.options,
				graph = series.graph,
				stateOptions = options.states,
				lineWidth = options.lineWidth,
				attribs,
				i = 0;

			state = state || NORMAL_STATE;

			if (series.state !== state) {
				series.state = state;

				if (stateOptions[state] && stateOptions[state].enabled === false) {
					return;
				}

				if (state) {
					lineWidth = stateOptions[state].lineWidth || lineWidth + (stateOptions[state].lineWidthPlus || 0); // #4035
				}

				if (graph && !graph.dashstyle) { // hover is turned off for dashed lines in VML
					attribs = {
						'stroke-width': lineWidth
					};
					// use attr because animate will cause any other animation on the graph to stop
					graph.attr(attribs);
					while (series['zoneGraph' + i]) {
						series['zoneGraph' + i].attr(attribs);
						i = i + 1;
					}
				}
			}
		},

		/**
		 * Set the visibility of the graph
		 *
		 * @param vis {Boolean} True to show the series, false to hide. If UNDEFINED,
		 *				the visibility is toggled.
		 */
		setVisible: function (vis, redraw) {
			var series = this,
				chart = series.chart,
				legendItem = series.legendItem,
				showOrHide,
				ignoreHiddenSeries = chart.options.chart.ignoreHiddenSeries,
				oldVisibility = series.visible;

			// if called without an argument, toggle visibility
			series.visible = vis = series.userOptions.visible = vis === UNDEFINED ? !oldVisibility : vis;
			showOrHide = vis ? 'show' : 'hide';

			// show or hide elements
			each(['group', 'dataLabelsGroup', 'markerGroup', 'tracker'], function (key) {
				if (series[key]) {
					series[key][showOrHide]();
				}
			});


			// hide tooltip (#1361)
			if (chart.hoverSeries === series || (chart.hoverPoint && chart.hoverPoint.series) === series) {
				series.onMouseOut();
			}


			if (legendItem) {
				chart.legend.colorizeItem(series, vis);
			}


			// rescale or adapt to resized chart
			series.isDirty = true;
			// in a stack, all other series are affected
			if (series.options.stacking) {
				each(chart.series, function (otherSeries) {
					if (otherSeries.options.stacking && otherSeries.visible) {
						otherSeries.isDirty = true;
					}
				});
			}

			// show or hide linked series
			each(series.linkedSeries, function (otherSeries) {
				otherSeries.setVisible(vis, false);
			});

			if (ignoreHiddenSeries) {
				chart.isDirtyBox = true;
			}
			if (redraw !== false) {
				chart.redraw();
			}

			fireEvent(series, showOrHide);
		},

		/**
		 * Show the graph
		 */
		show: function () {
			this.setVisible(true);
		},

		/**
		 * Hide the graph
		 */
		hide: function () {
			this.setVisible(false);
		},


		/**
		 * Set the selected state of the graph
		 *
		 * @param selected {Boolean} True to select the series, false to unselect. If
		 *				UNDEFINED, the selection state is toggled.
		 */
		select: function (selected) {
			var series = this;
			// if called without an argument, toggle
			series.selected = selected = (selected === UNDEFINED) ? !series.selected : selected;

			if (series.checkbox) {
				series.checkbox.checked = selected;
			}

			fireEvent(series, selected ? 'select' : 'unselect');
		},

		drawTracker: TrackerMixin.drawTrackerGraph
	});
	// global variables
	extend(Highcharts, {
		
		// Constructors
		Color: Color,
		Point: Point,
		Tick: Tick,	
		Renderer: Renderer,
		SVGElement: SVGElement,
		SVGRenderer: SVGRenderer,
		
		// Various
		arrayMin: arrayMin,
		arrayMax: arrayMax,
		charts: charts,
		dateFormat: dateFormat,
		error: error,
		format: format,
		pathAnim: pathAnim,
		getOptions: getOptions,
		hasBidiBug: hasBidiBug,
		isTouchDevice: isTouchDevice,
		setOptions: setOptions,
		addEvent: addEvent,
		removeEvent: removeEvent,
		createElement: createElement,
		discardElement: discardElement,
		css: css,
		each: each,
		map: map,
		merge: merge,
		splat: splat,
		extendClass: extendClass,
		pInt: pInt,
		svg: hasSVG,
		canvas: useCanVG,
		vml: !hasSVG && !useCanVG,
		product: PRODUCT,
		version: VERSION
	});

	}());


	/*** EXPORTS FROM exports-loader ***/
	module.exports = Highcharts

/***/ },
/* 4 */
/***/ function(module, exports, __webpack_require__) {

	module.exports = __WEBPACK_EXTERNAL_MODULE_4__;

/***/ },
/* 5 */
/***/ function(module, exports, __webpack_require__) {

	module.exports = __WEBPACK_EXTERNAL_MODULE_5__;

/***/ },
/* 6 */,
/* 7 */
/***/ function(module, exports, __webpack_require__) {

	// ==ClosureCompiler==
	// @compilation_level SIMPLE_OPTIMIZATIONS

	/**
	 * @license Highcharts JS v4.1.5-modified ()
	 *
	 * (c) 2009-2013 Torstein Hønsi
	 *
	 * License: www.highcharts.com/license
	 */

	// JSLint options:
	/*global Highcharts, HighchartsAdapter, document, window, navigator, setInterval, clearInterval, clearTimeout, setTimeout, location, jQuery, $, console */

	(function (Highcharts) {
		/**
		Shorthands for often used function
	*/ 
	/**
	 *	Mathematical Functionility
	 */
	var PI = Math.PI,
		deg2rad = (PI / 180), // degrees to radians 
		sin = Math.sin,
		cos = Math.cos, 
		pick = Highcharts.pick,
		round = Math.round;

	function perspective(points, chart, insidePlotArea) {
		var options3d = chart.options.chart.options3d,
			inverted = false,
			origin;

		if (insidePlotArea) {
			inverted = chart.inverted;
			origin = {
				x: chart.plotWidth / 2,
				y: chart.plotHeight / 2,
				z: options3d.depth / 2,
				vd: pick(options3d.depth, 1) * pick(options3d.viewDistance, 0)
			};
		} else {
			origin = {
				x: chart.plotLeft + (chart.plotWidth / 2),
				y: chart.plotTop + (chart.plotHeight / 2),
				z: options3d.depth / 2,
				vd: pick(options3d.depth, 1) * pick(options3d.viewDistance, 0)
			};
		}

		var result = [],
			xe = origin.x,
			ye = origin.y,
			ze = origin.z,
			vd = origin.vd,
			angle1 = deg2rad * (inverted ?  options3d.beta  : -options3d.beta),
			angle2 = deg2rad * (inverted ? -options3d.alpha :  options3d.alpha),
			s1 = sin(angle1),
			c1 = cos(angle1),
			s2 = sin(angle2),
			c2 = cos(angle2);

		var x, y, z, px, py, pz;

		Highcharts.each(points, function (point) {
			x = (inverted ? point.y : point.x) - xe;
			y = (inverted ? point.x : point.y) - ye;
			z = (point.z || 0) - ze;

			//Apply 3-D rotation
			px = c1 * x - s1 * z;
			py = -s1 * s2 * x - c1 * s2 * z + c2 * y;
			pz = s1 * c2 * x + c1 * c2 * z + s2 * y;

			//Apply perspective
			if ((vd > 0) && (vd < Number.POSITIVE_INFINITY)) {
				px = px * (vd / (pz + ze + vd));
				py = py * (vd / (pz + ze + vd));
			}

			//Apply translation
			px = px + xe;
			py = py + ye;
			pz = pz + ze;

			result.push({
				x: (inverted ? py : px),
				y: (inverted ? px : py),
				z: pz
			});
		});
		return result;
	}
	// Make function acessible to plugins
	Highcharts.perspective = perspective;
	/*** 
		EXTENSION TO THE SVG-RENDERER TO ENABLE 3D SHAPES
		***/
	////// HELPER METHODS //////
	var dFactor = (4 * (Math.sqrt(2) - 1) / 3) / (PI / 2);

	function defined(obj) {
		return obj !== undefined && obj !== null;
	}

	//Shoelace algorithm -- http://en.wikipedia.org/wiki/Shoelace_formula
	function shapeArea(vertexes) {
		var area = 0,
			i,
			j;
		for (i = 0; i < vertexes.length; i++) {
			j = (i + 1) % vertexes.length;
			area += vertexes[i].x * vertexes[j].y - vertexes[j].x * vertexes[i].y;
		}
		return area / 2;
	}

	function averageZ(vertexes) {
		var z = 0,
			i;
		for (i = 0; i < vertexes.length; i++) {
			z += vertexes[i].z;
		}
		return vertexes.length ? z / vertexes.length : 0;
	}

	function curveTo(cx, cy, rx, ry, start, end, dx, dy) {
		var result = [];
		if ((end > start) && (end - start > PI / 2 + 0.0001)) {
			result = result.concat(curveTo(cx, cy, rx, ry, start, start + (PI / 2), dx, dy));
			result = result.concat(curveTo(cx, cy, rx, ry, start + (PI / 2), end, dx, dy));
			return result;
		} else if ((end < start) && (start - end > PI / 2 + 0.0001)) {			
			result = result.concat(curveTo(cx, cy, rx, ry, start, start - (PI / 2), dx, dy));
			result = result.concat(curveTo(cx, cy, rx, ry, start - (PI / 2), end, dx, dy));
			return result;
		} else {
			var arcAngle = end - start;
			return [
				'C', 
				cx + (rx * cos(start)) - ((rx * dFactor * arcAngle) * sin(start)) + dx,
				cy + (ry * sin(start)) + ((ry * dFactor * arcAngle) * cos(start)) + dy,
				cx + (rx * cos(end)) + ((rx * dFactor * arcAngle) * sin(end)) + dx,
				cy + (ry * sin(end)) - ((ry * dFactor * arcAngle) * cos(end)) + dy,

				cx + (rx * cos(end)) + dx,
				cy + (ry * sin(end)) + dy
			];
		}
	}

	Highcharts.SVGRenderer.prototype.toLinePath = function (points, closed) {
		var result = [];

		// Put "L x y" for each point
		Highcharts.each(points, function (point) {
			result.push('L', point.x, point.y);
		});

		if (points.length) {
			// Set the first element to M
			result[0] = 'M';

			// If it is a closed line, add Z
			if (closed) {
				result.push('Z');
			}
		}
		
		return result;
	};

	////// CUBOIDS //////
	Highcharts.SVGRenderer.prototype.cuboid = function (shapeArgs) {

		var result = this.g(),
		paths = this.cuboidPath(shapeArgs);

		result.front = this.path(paths[0]).attr({zIndex: paths[3], 'stroke-linejoin': 'round'}).add(result);
		result.top = this.path(paths[1]).attr({zIndex: paths[4], 'stroke-linejoin': 'round'}).add(result);
		result.side = this.path(paths[2]).attr({zIndex: paths[5], 'stroke-linejoin': 'round'}).add(result);

		result.fillSetter = function (color) {
			var c0 = color,
			c1 = Highcharts.Color(color).brighten(0.1).get(),
			c2 = Highcharts.Color(color).brighten(-0.1).get();

			this.front.attr({fill: c0});
			this.top.attr({fill: c1});
			this.side.attr({fill: c2});

			this.color = color;
			return this;
		};

		result.opacitySetter = function (opacity) {
			this.front.attr({opacity: opacity});
			this.top.attr({opacity: opacity});
			this.side.attr({opacity: opacity});
			return this;
		};

		result.attr = function (args) {
			if (args.shapeArgs || defined(args.x)) {
				var shapeArgs = args.shapeArgs || args;
				var paths = this.renderer.cuboidPath(shapeArgs);
				this.front.attr({d: paths[0], zIndex: paths[3]});
				this.top.attr({d: paths[1], zIndex: paths[4]});
				this.side.attr({d: paths[2], zIndex: paths[5]});			
			} else {
				Highcharts.SVGElement.prototype.attr.call(this, args);
			}

			return this;
		};
		
		result.animate = function (args, duration, complete) {
			if (defined(args.x) && defined(args.y)) {
				var paths = this.renderer.cuboidPath(args);
				this.front.attr({zIndex: paths[3]}).animate({d: paths[0]}, duration, complete);
				this.top.attr({zIndex: paths[4]}).animate({d: paths[1]}, duration, complete);
				this.side.attr({zIndex: paths[5]}).animate({d: paths[2]}, duration, complete);
			} else if (args.opacity) {				
					this.front.animate(args, duration, complete);
					this.top.animate(args, duration, complete);
					this.side.animate(args, duration, complete);
			} else {
				Highcharts.SVGElement.prototype.animate.call(this, args, duration, complete);
			}
			return this;
		};

		result.destroy = function () {
			this.front.destroy();
			this.top.destroy();
			this.side.destroy();

			return null;
		};

		// Apply the Z index to the cuboid group
		result.attr({ zIndex: -paths[3] });

		return result;
	};


	Highcharts.SVGRenderer.prototype.cuboidPath = function (shapeArgs) {
		var x = shapeArgs.x,
			y = shapeArgs.y,
			z = shapeArgs.z,
			h = shapeArgs.height,
			w = shapeArgs.width,
			d = shapeArgs.depth,		
			chart = Highcharts.charts[this.chartIndex],
			map = Highcharts.map;

		var pArr = [
			{x: x, y: y, z: z},
			{x: x + w, y: y, z: z},
			{x: x + w, y: y + h, z: z},
			{x: x, y: y + h, z: z},
			{x: x, y: y + h, z: z + d},
			{x: x + w, y: y + h, z: z + d},
			{x: x + w, y: y, z: z + d},
			{x: x, y: y, z: z + d}
		];

		pArr = perspective(pArr, chart, shapeArgs.insidePlotArea);

		var pickShape = function (path1, path2) {
			path1 = map(path1, function (i) { return pArr[i]; });
			path2 = map(path2, function (i) { return pArr[i]; });
			if (shapeArea(path1) < 0) {
				return path1;
			} else if (shapeArea(path2) < 0) {
				return path2;
			} else {
				return [];
			}
		};

		// front or back
		var front = [3, 2, 1, 0];
		var back = [7, 6, 5, 4];
		var path1 = pickShape(front, back);

		// top or bottom
		var top = [1, 6, 7, 0];
		var bottom = [4, 5, 2, 3];
		var path2 = pickShape(top, bottom);

		// side
		var right = [1, 2, 5, 6];
		var left = [0, 7, 4, 3];
		var path3 = pickShape(right, left);

		return [this.toLinePath(path1, true), this.toLinePath(path2, true), this.toLinePath(path3, true), averageZ(path1), averageZ(path2), averageZ(path3)];
	};

	////// SECTORS //////
	Highcharts.SVGRenderer.prototype.arc3d = function (shapeArgs) {

		shapeArgs.alpha *= deg2rad;
		shapeArgs.beta *= deg2rad;
		var result = this.g(),
			paths = this.arc3dPath(shapeArgs),
			renderer = result.renderer;

		var zIndex = paths.zTop * 100;

		result.shapeArgs = shapeArgs;	// Store for later use

		result.top = renderer.path(paths.top).setRadialReference(shapeArgs.center).attr({zIndex: paths.zTop}).add(result);
		result.side1 = renderer.path(paths.side2).attr({zIndex: paths.zSide1});
		result.side2 = renderer.path(paths.side1).attr({zIndex: paths.zSide2});
		result.inn = renderer.path(paths.inn).attr({zIndex: paths.zInn});
		result.out = renderer.path(paths.out).attr({zIndex: paths.zOut});

		result.fillSetter = function (color) {
			this.color = color;

			var c0 = color,
			c2 = Highcharts.Color(color).brighten(-0.1).get();
			
			this.side1.attr({fill: c2});
			this.side2.attr({fill: c2});
			this.inn.attr({fill: c2});
			this.out.attr({fill: c2});
			this.top.attr({fill: c0});
			return this;
		};
		
		result.translateXSetter = function (value) {
			this.out.attr({translateX: value});
			this.inn.attr({translateX: value});
			this.side1.attr({translateX: value});
			this.side2.attr({translateX: value});
			this.top.attr({translateX: value});
		};
		
		result.translateYSetter = function (value) {
			this.out.attr({translateY: value});
			this.inn.attr({translateY: value});
			this.side1.attr({translateY: value});
			this.side2.attr({translateY: value});
			this.top.attr({translateY: value});
		};

		result.animate = function (args, duration, complete) {
			if (defined(args.end) || defined(args.start)) {
				this._shapeArgs = this.shapeArgs;

				Highcharts.SVGElement.prototype.animate.call(this, {
					_args: args	
				}, {
					duration: duration,
					step: function () {
						var args = arguments,
							fx = args[1],
							result = fx.elem,						
							start = result._shapeArgs,
							end = fx.end,
							pos = fx.pos,
							sA = Highcharts.merge(start, {
								x: start.x + ((end.x - start.x) * pos),
								y: start.y + ((end.y - start.y) * pos),
								r: start.r + ((end.r - start.r) * pos),
								innerR: start.innerR + ((end.innerR - start.innerR) * pos),
								start: start.start + ((end.start - start.start) * pos),
								end: start.end + ((end.end - start.end) * pos)
							});

						var paths = result.renderer.arc3dPath(sA);

						result.shapeArgs = sA;

						result.top.attr({d: paths.top, zIndex: paths.zTop});
						result.inn.attr({d: paths.inn, zIndex: paths.zInn});
						result.out.attr({d: paths.out, zIndex: paths.zOut});
						result.side1.attr({d: paths.side1, zIndex: paths.zSide1});
						result.side2.attr({d: paths.side2, zIndex: paths.zSide2});

					}
				}, complete);
			} else {			
				Highcharts.SVGElement.prototype.animate.call(this, args, duration, complete);
			}
			return this;
		};

		result.destroy = function () {
			this.top.destroy();
			this.out.destroy();
			this.inn.destroy();
			this.side1.destroy();
			this.side2.destroy();

			Highcharts.SVGElement.prototype.destroy.call(this);
		};
		result.hide = function () {
			this.top.hide();
			this.out.hide();
			this.inn.hide();
			this.side1.hide();
			this.side2.hide();
		};
		result.show = function () {
			this.top.show();
			this.out.show();
			this.inn.show();
			this.side1.show();
			this.side2.show();
		};
		
		result.zIndex = zIndex;
		result.attr({zIndex: zIndex});
		return result;
	};


	Highcharts.SVGRenderer.prototype.arc3dPath = function (shapeArgs) {
		var cx = shapeArgs.x,
			cy = shapeArgs.y,
			start = shapeArgs.start,
			end = shapeArgs.end - 0.00001,
			r = shapeArgs.r,
			ir = shapeArgs.innerR,
			d = shapeArgs.depth,
			alpha = shapeArgs.alpha,
			beta = shapeArgs.beta;

		// Some Variables
		var cs = cos(start),
			ss = sin(start),
			ce = cos(end),
			se = sin(end),
			rx = r * cos(beta),
			ry = r * cos(alpha),
			irx = ir * cos(beta),
			iry = ir * cos(alpha),
			dx = d * sin(beta),
			dy = d * sin(alpha);

		// TOP	
		var top = ['M', cx + (rx * cs), cy + (ry * ss)];
		top = top.concat(curveTo(cx, cy, rx, ry, start, end, 0, 0));
		top = top.concat([
			'L', cx + (irx * ce), cy + (iry * se)
		]);
		top = top.concat(curveTo(cx, cy, irx, iry, end, start, 0, 0));
		top = top.concat(['Z']);

		// OUTSIDE
		var b = (beta > 0 ? PI / 2 : 0),
			a = (alpha > 0 ? 0 : PI / 2);

		var start2 = start > -b ? start : (end > -b ? -b : start),
			end2 = end < PI - a ? end : (start < PI - a ? PI - a : end);
		
		var out = ['M', cx + (rx * cos(start2)), cy + (ry * sin(start2))];
		out = out.concat(curveTo(cx, cy, rx, ry, start2, end2, 0, 0));
		out = out.concat([
			'L', cx + (rx * cos(end2)) + dx, cy + (ry * sin(end2)) + dy
		]);
		out = out.concat(curveTo(cx, cy, rx, ry, end2, start2, dx, dy));
		out = out.concat(['Z']);

		// INSIDE
		var inn = ['M', cx + (irx * cs), cy + (iry * ss)];
		inn = inn.concat(curveTo(cx, cy, irx, iry, start, end, 0, 0));
		inn = inn.concat([
			'L', cx + (irx * cos(end)) + dx, cy + (iry * sin(end)) + dy
		]);
		inn = inn.concat(curveTo(cx, cy, irx, iry, end, start, dx, dy));
		inn = inn.concat(['Z']);

		// SIDES
		var side1 = [
			'M', cx + (rx * cs), cy + (ry * ss),
			'L', cx + (rx * cs) + dx, cy + (ry * ss) + dy,
			'L', cx + (irx * cs) + dx, cy + (iry * ss) + dy,
			'L', cx + (irx * cs), cy + (iry * ss),
			'Z'
		];
		var side2 = [
			'M', cx + (rx * ce), cy + (ry * se),
			'L', cx + (rx * ce) + dx, cy + (ry * se) + dy,
			'L', cx + (irx * ce) + dx, cy + (iry * se) + dy,
			'L', cx + (irx * ce), cy + (iry * se),
			'Z'
		];

		var a1 = sin((start + end) / 2),
			a2 = sin(start),
			a3 = sin(end);

		return {
			top: top,
			zTop: r,
			out: out,
			zOut: Math.max(a1, a2, a3) * r,
			inn: inn,
			zInn: Math.max(a1, a2, a3) * r,
			side1: side1,
			zSide1: a2 * (r * 0.99),
			side2: side2,
			zSide2: a3 * (r * 0.99)
		};
	};
	/*** 
		EXTENSION FOR 3D CHARTS
	***/
	// Shorthand to check the is3d flag
	Highcharts.Chart.prototype.is3d = function () {
		return !this.inverted && this.options.chart.options3d && this.options.chart.options3d.enabled; // #4160 3D should not work with inverted charts
	};

	Highcharts.wrap(Highcharts.Chart.prototype, 'isInsidePlot', function (proceed) {
		if (this.is3d()) {
			return true;
		} else {
			return proceed.apply(this, [].slice.call(arguments, 1));
		}
	});

	var defaultChartOptions = Highcharts.getOptions();
	defaultChartOptions.chart.options3d = {
		enabled: false,
		alpha: 0,
		beta: 0,
		depth: 100,
		viewDistance: 25,
		frame: {
			bottom: { size: 1, color: 'rgba(255,255,255,0)' },
			side: { size: 1, color: 'rgba(255,255,255,0)' },
			back: { size: 1, color: 'rgba(255,255,255,0)' }
		}
	};

	Highcharts.wrap(Highcharts.Chart.prototype, 'init', function (proceed) {
		var args = [].slice.call(arguments, 1),
			plotOptions,
			pieOptions;

		if (args[0].chart.options3d && args[0].chart.options3d.enabled) {
			plotOptions = args[0].plotOptions || {};
			pieOptions = plotOptions.pie || {};

			pieOptions.borderColor = Highcharts.pick(pieOptions.borderColor, undefined); 
		}
		proceed.apply(this, args);
	});

	Highcharts.wrap(Highcharts.Chart.prototype, 'setChartSize', function (proceed) {
		proceed.apply(this, [].slice.call(arguments, 1));

		if (this.is3d()) {
			var inverted = this.inverted,
				clipBox = this.clipBox,
				margin = this.margin,
				x = inverted ? 'y' : 'x',
				y = inverted ? 'x' : 'y',
				w = inverted ? 'height' : 'width',
				h = inverted ? 'width' : 'height';

			clipBox[x] = -(margin[3] || 0);
			clipBox[y] = -(margin[0] || 0);
			clipBox[w] = this.chartWidth + (margin[3] || 0) + (margin[1] || 0);
			clipBox[h] = this.chartHeight + (margin[0] || 0) + (margin[2] || 0);
		}
	});

	Highcharts.wrap(Highcharts.Chart.prototype, 'redraw', function (proceed) {
		if (this.is3d()) {
			// Set to force a redraw of all elements
			this.isDirtyBox = true;
		}
		proceed.apply(this, [].slice.call(arguments, 1));	
	});

	// Draw the series in the reverse order (#3803, #3917)
	Highcharts.wrap(Highcharts.Chart.prototype, 'renderSeries', function (proceed) {
		var series,
			i = this.series.length;
		
		if (this.is3d()) {
			while (i--) {		
				series = this.series[i];
				series.translate();
				series.render();	
			}
		} else {
			proceed.call(this);
		}
	});

	Highcharts.Chart.prototype.retrieveStacks = function (stacking) {
		var series = this.series,
			stacks = {},
			stackNumber,
			i = 1;

		Highcharts.each(this.series, function (S) {
			stackNumber = stacking ? (S.options.stack || 0) : series.length - 1 - S.index; // #3841
			if (!stacks[stackNumber]) {
				stacks[stackNumber] = { series: [S], position: i};
				i++;
			} else {
				stacks[stackNumber].series.push(S);
			}
		});

		stacks.totalStacks = i + 1;
		return stacks;
	};

	/***
		EXTENSION TO THE AXIS
	***/
	Highcharts.wrap(Highcharts.Axis.prototype, 'init', function (proceed) {
		var args = arguments;
		if (args[1].is3d()) {
			args[2].tickWidth = Highcharts.pick(args[2].tickWidth, 0);
			args[2].gridLineWidth = Highcharts.pick(args[2].gridLineWidth, 1);
		}

		proceed.apply(this, [].slice.call(arguments, 1));
	});	
	Highcharts.wrap(Highcharts.Axis.prototype, 'render', function (proceed) {
		proceed.apply(this, [].slice.call(arguments, 1));

		// Do not do this if the chart is not 3D
		if (!this.chart.is3d()) {
			return;
		}

		var chart = this.chart,
			renderer = chart.renderer,
			options3d = chart.options.chart.options3d,
			frame = options3d.frame,
			fbottom = frame.bottom,
			fback = frame.back,
			fside = frame.side,
			depth = options3d.depth,
			height = this.height,
			width = this.width,
			left = this.left,
			top = this.top;

		if (this.isZAxis) {
			return;
		} else if (this.horiz) {
			var bottomShape = {
				x: left,
				y: top + (chart.xAxis[0].opposite ? -fbottom.size : height),
				z: 0,
				width: width,
				height: fbottom.size,
				depth: depth,
				insidePlotArea: false
			};
			if (!this.bottomFrame) {
				this.bottomFrame = renderer.cuboid(bottomShape).attr({fill: fbottom.color, zIndex: (chart.yAxis[0].reversed && options3d.alpha > 0 ? 4 : -1)}).css({stroke: fbottom.color}).add();
			} else {
				this.bottomFrame.animate(bottomShape);
			}
		} else {
			// BACK
			var backShape = {
				x: left + (chart.yAxis[0].opposite ? 0 : -fside.size),
				y: top + (chart.xAxis[0].opposite ? -fbottom.size : 0),
				z: depth,
				width: width + fside.size,
				height: height + fbottom.size,
				depth: fback.size,
				insidePlotArea: false
			};
			if (!this.backFrame) {
				this.backFrame = renderer.cuboid(backShape).attr({fill: fback.color, zIndex: -3}).css({stroke: fback.color}).add();
			} else {
				this.backFrame.animate(backShape);
			}
			var sideShape = {
				x: left + (chart.yAxis[0].opposite ? width : -fside.size),
				y: top + (chart.xAxis[0].opposite ? -fbottom.size : 0),
				z: 0,
				width: fside.size,
				height: height + fbottom.size,
				depth: depth,
				insidePlotArea: false
			};
			if (!this.sideFrame) {
				this.sideFrame = renderer.cuboid(sideShape).attr({fill: fside.color, zIndex: -2}).css({stroke: fside.color}).add();
			} else {
				this.sideFrame.animate(sideShape);
			}
		}
	});

	Highcharts.wrap(Highcharts.Axis.prototype, 'getPlotLinePath', function (proceed) {
		var path = proceed.apply(this, [].slice.call(arguments, 1));

		// Do not do this if the chart is not 3D
		if (!this.chart.is3d()) {
			return path;
		}

		if (path === null) { return path; }

		var chart = this.chart,
			options3d = chart.options.chart.options3d;

		var d = this.isZAxis ? this.chart.plotWidth : options3d.depth,
			opposite = this.opposite;
		if (this.horiz) {
			opposite = !opposite;
		}
		var pArr = [
			this.swapZ({ x: path[1], y: path[2], z: (opposite ? d : 0)}),
			this.swapZ({ x: path[1], y: path[2], z: d }),
			this.swapZ({ x: path[4], y: path[5], z: d }),
			this.swapZ({ x: path[4], y: path[5], z: (opposite ? 0 : d)})
		];

		pArr = perspective(pArr, this.chart, false);
		path = this.chart.renderer.toLinePath(pArr, false);

		return path;
	});

	Highcharts.wrap(Highcharts.Axis.prototype, 'getLinePath', function () {
		// do not draw axislines in 3D ?
		return [];
	});

	Highcharts.wrap(Highcharts.Axis.prototype, 'getPlotBandPath', function (proceed) {
		// Do not do this if the chart is not 3D
		if (!this.chart.is3d()) {
			return proceed.apply(this, [].slice.call(arguments, 1));
		} else {
			var args = arguments,
				from = args[1],
				to = args[2];
		
			var toPath = this.getPlotLinePath(to),
				path = this.getPlotLinePath(from);
				
			if (path && toPath) {
				path.push(
					'L',
					toPath[10],	// These two do not exist in the regular getPlotLine
					toPath[11],  // ---- # 3005
					'L',
					toPath[7],
					toPath[8],
					'L',
					toPath[4],
					toPath[5],
					'L',
					toPath[1],
					toPath[2]
				);
			} else { // outside the axis area
				path = null;
			}
			
			return path;
		}
	});

	/*** 
		EXTENSION TO THE TICKS
	***/

	Highcharts.wrap(Highcharts.Tick.prototype, 'getMarkPath', function (proceed) {
		var path = proceed.apply(this, [].slice.call(arguments, 1));	

		// Do not do this if the chart is not 3D
		if (!this.axis.chart.is3d()) {
			return path;
		}

		var pArr = [
			this.axis.swapZ({x: path[1], y: path[2], z: 0}),
			this.axis.swapZ({x: path[4], y: path[5], z: 0})
		];

		pArr = perspective(pArr, this.axis.chart, false);
		path = [
			'M', pArr[0].x, pArr[0].y,
			'L', pArr[1].x, pArr[1].y
		];
		return path;
	});

	Highcharts.wrap(Highcharts.Tick.prototype, 'getLabelPosition', function (proceed) {
		var pos = proceed.apply(this, [].slice.call(arguments, 1));

		// Do not do this if the chart is not 3D
		if (!this.axis.chart.is3d()) {
			return pos;
		}

		var new_pos = perspective([this.axis.swapZ({x: pos.x, y: pos.y, z: 0})], this.axis.chart, false)[0];
		new_pos.x = new_pos.x - (!this.axis.horiz && this.axis.opposite ? this.axis.transA : 0); //#3788
		new_pos.old = pos;
		return new_pos;
	});

	Highcharts.wrap(Highcharts.Tick.prototype, 'handleOverflow', function (proceed, xy) {
		if (this.axis.chart.is3d()) {
			xy = xy.old;
		}
		return proceed.call(this, xy);
	});

	Highcharts.wrap(Highcharts.Axis.prototype, 'getTitlePosition', function (proceed) {
		var pos = proceed.apply(this, [].slice.call(arguments, 1));

		// Do not do this if the chart is not 3D
		if (!this.chart.is3d()) {
			return pos;
		}

		pos = perspective([this.swapZ({x: pos.x, y: pos.y, z: 0})], this.chart, false)[0];
		return pos;
	});

	Highcharts.wrap(Highcharts.Axis.prototype, 'drawCrosshair', function (proceed) {
		var args = arguments;
		if (this.chart.is3d()) {
			if (args[2]) {
				args[2] = {
					plotX: args[2].plotXold || args[2].plotX,
					plotY: args[2].plotYold || args[2].plotY
				};
			}
		}
		proceed.apply(this, [].slice.call(args, 1));
	});

	/***
	    Z-AXIS
	***/

	Highcharts.Axis.prototype.swapZ = function (p, insidePlotArea) {
		if (this.isZAxis) {
			var plotLeft = insidePlotArea ? 0 : this.chart.plotLeft;
			var chart = this.chart;
			return {
				x: plotLeft + (chart.yAxis[0].opposite ? p.z : chart.xAxis[0].width - p.z),
				y: p.y,
				z: p.x - plotLeft
			};
		} else {
			return p;
		}
	};

	var ZAxis = Highcharts.ZAxis = function () {
		this.isZAxis = true;
		this.init.apply(this, arguments);
	};
	Highcharts.extend(ZAxis.prototype, Highcharts.Axis.prototype);
	Highcharts.extend(ZAxis.prototype, {
		setOptions: function (userOptions) {
			userOptions = Highcharts.merge({
				offset: 0,
				lineColor: null
			}, userOptions);
			Highcharts.Axis.prototype.setOptions.call(this, userOptions);
			this.coll = 'zAxis';
		},
		setAxisSize: function () {
			Highcharts.Axis.prototype.setAxisSize.call(this);
			this.width = this.len = this.chart.options.chart.options3d.depth;
			this.right = this.chart.chartWidth - this.width - this.left;
		},
		getSeriesExtremes: function () {
			var axis = this,
				chart = axis.chart;

			axis.hasVisibleSeries = false;

			// Reset properties in case we're redrawing (#3353)
			axis.dataMin = axis.dataMax = axis.ignoreMinPadding = axis.ignoreMaxPadding = null;
			
			if (axis.buildStacks) {
				axis.buildStacks();
			}

			// loop through this axis' series
			Highcharts.each(axis.series, function (series) {

				if (series.visible || !chart.options.chart.ignoreHiddenSeries) {

					var seriesOptions = series.options,
						zData,
						threshold = seriesOptions.threshold;

					axis.hasVisibleSeries = true;

					// Validate threshold in logarithmic axes
					if (axis.isLog && threshold <= 0) {
						threshold = null;
					}

					zData = series.zData;
					if (zData.length) {
						axis.dataMin = Math.min(pick(axis.dataMin, zData[0]), Math.min.apply(null, zData));
						axis.dataMax = Math.max(pick(axis.dataMax, zData[0]), Math.max.apply(null, zData));
					}
				}
			});
		}
	});


	/**
	* Extend the chart getAxes method to also get the color axis
	*/
	Highcharts.wrap(Highcharts.Chart.prototype, 'getAxes', function (proceed) {
		var chart = this,
			options = this.options,
			zAxisOptions = options.zAxis = Highcharts.splat(options.zAxis || {});

		proceed.call(this);

		if (!chart.is3d()) {
			return;
		}
		this.zAxis = [];
		Highcharts.each(zAxisOptions, function (axisOptions, i) {
			axisOptions.index = i;
			axisOptions.isX = true; //Z-Axis is shown horizontally, so it's kind of a X-Axis
			var zAxis = new ZAxis(chart, axisOptions);
			zAxis.setScale();
		});
	});
	/***
		EXTENSION FOR 3D COLUMNS
	***/
	Highcharts.wrap(Highcharts.seriesTypes.column.prototype, 'translate', function (proceed) {
		proceed.apply(this, [].slice.call(arguments, 1));

		// Do not do this if the chart is not 3D
		if (!this.chart.is3d()) {  
			return;
		}	

		var series = this,
			chart = series.chart,
			seriesOptions = series.options,
			depth = seriesOptions.depth || 25;

		var stack = seriesOptions.stacking ? (seriesOptions.stack || 0) : series._i;
		var z = stack * (depth + (seriesOptions.groupZPadding || 1));

		if (seriesOptions.grouping !== false) { z = 0; }

		z += (seriesOptions.groupZPadding || 1);

		Highcharts.each(series.data, function (point) {
			if (point.y !== null) {
				var shapeArgs = point.shapeArgs,
					tooltipPos = point.tooltipPos;

				point.shapeType = 'cuboid';
				shapeArgs.z = z;
				shapeArgs.depth = depth;
				shapeArgs.insidePlotArea = true;

				// Translate the tooltip position in 3d space
				tooltipPos = perspective([{ x: tooltipPos[0], y: tooltipPos[1], z: z }], chart, false)[0];
				point.tooltipPos = [tooltipPos.x, tooltipPos.y];
			}
		});
		// store for later use #4067
		series.z = z;
	});

	Highcharts.wrap(Highcharts.seriesTypes.column.prototype, 'animate', function (proceed) {
		if (!this.chart.is3d()) {
			proceed.apply(this, [].slice.call(arguments, 1));
		} else {
			var args = arguments,
				init = args[1],
				yAxis = this.yAxis,
				series = this,
				reversed = this.yAxis.reversed;

			if (Highcharts.svg) { // VML is too slow anyway
				if (init) {
					Highcharts.each(series.data, function (point) {
						if (point.y !== null) {
							point.height = point.shapeArgs.height;
							point.shapey = point.shapeArgs.y;	//#2968				
							point.shapeArgs.height = 1;
							if (!reversed) {
								if (point.stackY) {
									point.shapeArgs.y = point.plotY + yAxis.translate(point.stackY);
								} else {
									point.shapeArgs.y = point.plotY + (point.negative ? -point.height : point.height);
								}
							}
						}
					});

				} else { // run the animation				
					Highcharts.each(series.data, function (point) {					
						if (point.y !== null) {
							point.shapeArgs.height = point.height;
							point.shapeArgs.y = point.shapey;	//#2968
							// null value do not have a graphic
							if (point.graphic) {
								point.graphic.animate(point.shapeArgs, series.options.animation);					
							}
						}
					});

					// redraw datalabels to the correct position
					this.drawDataLabels();

					// delete this function to allow it only once
					series.animate = null;
				}
			}
		}
	});

	Highcharts.wrap(Highcharts.seriesTypes.column.prototype, 'init', function (proceed) {
		proceed.apply(this, [].slice.call(arguments, 1));

		if (this.chart.is3d()) {
			var seriesOptions = this.options,	
				grouping = seriesOptions.grouping,
				stacking = seriesOptions.stacking,
				z = 0;	
			
			if (!(grouping !== undefined && !grouping)) {
				var stacks = this.chart.retrieveStacks(stacking),
					stack = seriesOptions.stack || 0,
					i; // position within the stack
				for (i = 0; i < stacks[stack].series.length; i++) {
					if (stacks[stack].series[i] === this) {
						break;
					}
				}
				z = (stacks.totalStacks * 10) - (10 * (stacks.totalStacks - stacks[stack].position)) - i;
			}
					
			seriesOptions.zIndex = z;
		}
	});
	function draw3DPoints(proceed) {
		// Do not do this if the chart is not 3D
		if (this.chart.is3d()) {		
			var grouping = this.chart.options.plotOptions.column.grouping;
			if (grouping !== undefined && !grouping && this.group.zIndex !== undefined && !this.zIndexSet) {
				this.group.attr({zIndex : (this.group.zIndex * 10)});
				this.zIndexSet = true; // #4062 set zindex only once
			} 

			var options = this.options,
				states = this.options.states;
				
			this.borderWidth = options.borderWidth = defined(options.edgeWidth) ? options.edgeWidth : 1; //#4055

			Highcharts.each(this.data, function (point) {
				if (point.y !== null) {
					var pointAttr = point.pointAttr;

					// Set the border color to the fill color to provide a smooth edge
					this.borderColor = Highcharts.pick(options.edgeColor, pointAttr[''].fill);

					pointAttr[''].stroke = this.borderColor;
					pointAttr.hover.stroke = Highcharts.pick(states.hover.edgeColor, this.borderColor);
					pointAttr.select.stroke = Highcharts.pick(states.select.edgeColor, this.borderColor);
				}
			});
		}

		proceed.apply(this, [].slice.call(arguments, 1));
	}

	Highcharts.wrap(Highcharts.Series.prototype, 'alignDataLabel', function (proceed) {
		
		// Only do this for 3D columns and columnranges
		if (this.chart.is3d() && (this.type === 'column' || this.type === 'columnrange')) {
			var series = this,
				chart = series.chart;

			var args = arguments,
				alignTo = args[4];
			
			var pos = ({x: alignTo.x, y: alignTo.y, z: series.z});
			pos = perspective([pos], chart, true)[0];
			alignTo.x = pos.x;
			alignTo.y = pos.y;
		}

		proceed.apply(this, [].slice.call(arguments, 1));
	});

	if (Highcharts.seriesTypes.columnrange) {
		Highcharts.wrap(Highcharts.seriesTypes.columnrange.prototype, 'drawPoints', draw3DPoints);
	}

	Highcharts.wrap(Highcharts.seriesTypes.column.prototype, 'drawPoints', draw3DPoints);

	/*** 
		EXTENSION FOR 3D CYLINDRICAL COLUMNS
		Not supported
	***/
	var defaultOptions = Highcharts.getOptions();
	defaultOptions.plotOptions.cylinder = Highcharts.merge(defaultOptions.plotOptions.column);
	var CylinderSeries = Highcharts.extendClass(Highcharts.seriesTypes.column, {
		type: 'cylinder'
	});
	Highcharts.seriesTypes.cylinder = CylinderSeries;

	Highcharts.wrap(Highcharts.seriesTypes.cylinder.prototype, 'translate', function (proceed) {
		proceed.apply(this, [].slice.call(arguments, 1));

		// Do not do this if the chart is not 3D
		if (!this.chart.is3d()) {
			return;
		}	

		var series = this,
			chart = series.chart,
			options = chart.options,
			cylOptions = options.plotOptions.cylinder,
			options3d = options.chart.options3d,
			depth = cylOptions.depth || 0,
			origin = {
				x: chart.inverted ? chart.plotHeight / 2 : chart.plotWidth / 2,
				y: chart.inverted ? chart.plotWidth / 2 : chart.plotHeight / 2, 
				z: options3d.depth,
				vd: options3d.viewDistance
			},
			alpha = options3d.alpha;

		var z = cylOptions.stacking ? (this.options.stack || 0) * depth : series._i * depth;
		z += depth / 2;

		if (cylOptions.grouping !== false) { z = 0; }

		Highcharts.each(series.data, function (point) {
			var shapeArgs = point.shapeArgs;
			point.shapeType = 'arc3d';
			shapeArgs.x += depth / 2;
			shapeArgs.z = z;
			shapeArgs.start = 0;
			shapeArgs.end = 2 * PI;
			shapeArgs.r = depth * 0.95;
			shapeArgs.innerR = 0;
			shapeArgs.depth = shapeArgs.height * (1 / sin((90 - alpha) * deg2rad)) - z;
			shapeArgs.alpha = 90 - alpha;
			shapeArgs.beta = 0;
			shapeArgs.origin = origin;	
		});
	});
	/*** 
		EXTENSION FOR 3D PIES
	***/

	Highcharts.wrap(Highcharts.seriesTypes.pie.prototype, 'translate', function (proceed) {
		proceed.apply(this, [].slice.call(arguments, 1));

		// Do not do this if the chart is not 3D
		if (!this.chart.is3d()) {
			return;
		}	
		
		var series = this,
			chart = series.chart,
			options = chart.options,
			seriesOptions = series.options,
			depth = seriesOptions.depth || 0,
			options3d = options.chart.options3d,
			origin = {
				x: chart.plotWidth / 2,
				y: chart.plotHeight / 2,
				z: options3d.depth
			},
			alpha = options3d.alpha,
			beta = options3d.beta;

		var z = seriesOptions.stacking ? (seriesOptions.stack || 0) * depth : series._i * depth;
		z += depth / 2;

		if (seriesOptions.grouping !== false) { z = 0; }

		Highcharts.each(series.data, function (point) {
			point.shapeType = 'arc3d';
			var shapeArgs = point.shapeArgs;

			if (point.y) { // will be false if null or 0 #3006
				shapeArgs.z = z;
				shapeArgs.depth = depth * 0.75;
				shapeArgs.origin = origin;
				shapeArgs.alpha = alpha;
				shapeArgs.beta = beta;
				shapeArgs.center = series.center;
				
				var angle = (shapeArgs.end + shapeArgs.start) / 2;

				point.slicedTranslation = {
					translateX : round(cos(angle) * series.options.slicedOffset * cos(alpha * deg2rad)),
					translateY : round(sin(angle) * series.options.slicedOffset * cos(alpha * deg2rad))
				};
			} else {
				shapeArgs = null;
			}
		});
	});

	Highcharts.wrap(Highcharts.seriesTypes.pie.prototype.pointClass.prototype, 'haloPath', function (proceed) {
		var args = arguments;
		return this.series.chart.is3d() ? [] : proceed.call(this, args[1]);
	});

	Highcharts.wrap(Highcharts.seriesTypes.pie.prototype, 'drawPoints', function (proceed) {
		// Do not do this if the chart is not 3D
		if (this.chart.is3d()) {
			var options = this.options,
				states = this.options.states;

			// Set the border color to the fill color to provide a smooth edge
			this.borderWidth = options.borderWidth = options.edgeWidth || 1;
			this.borderColor = options.edgeColor = Highcharts.pick(options.edgeColor, options.borderColor, undefined);

			states.hover.borderColor = Highcharts.pick(states.hover.edgeColor, this.borderColor);		
			states.hover.borderWidth = Highcharts.pick(states.hover.edgeWidth, this.borderWidth);	
			states.select.borderColor = Highcharts.pick(states.select.edgeColor, this.borderColor);		
			states.select.borderWidth = Highcharts.pick(states.select.edgeWidth, this.borderWidth);

			Highcharts.each(this.data, function (point) {
				var pointAttr = point.pointAttr;
				pointAttr[''].stroke = point.series.borderColor || point.color;
				pointAttr['']['stroke-width'] = point.series.borderWidth;
				pointAttr.hover.stroke = states.hover.borderColor;	
				pointAttr.hover['stroke-width'] = states.hover.borderWidth;
				pointAttr.select.stroke = states.select.borderColor;
				pointAttr.select['stroke-width'] = states.select.borderWidth;
			});	
		}

		proceed.apply(this, [].slice.call(arguments, 1));

		if (this.chart.is3d()) {		
			var seriesGroup = this.group;
			Highcharts.each(this.points, function (point) {
				point.graphic.out.add(seriesGroup);
				point.graphic.inn.add(seriesGroup);
				point.graphic.side1.add(seriesGroup);
				point.graphic.side2.add(seriesGroup);
			});		
		}
	});

	Highcharts.wrap(Highcharts.seriesTypes.pie.prototype, 'drawDataLabels', function (proceed) {
		if (this.chart.is3d()) {
			var series = this;
			Highcharts.each(series.data, function (point) {
				var shapeArgs = point.shapeArgs,
					r = shapeArgs.r,
					d = shapeArgs.depth,
					a1 = (shapeArgs.alpha || series.chart.options.chart.options3d.alpha) * deg2rad, //#3240 issue with datalabels for 0 and null values
					a2 = (shapeArgs.start + shapeArgs.end) / 2,
					labelPos = point.labelPos;

				labelPos[1] += (-r * (1 - cos(a1)) * sin(a2)) + (sin(a2) > 0 ? sin(a1) * d : 0);
				labelPos[3] += (-r * (1 - cos(a1)) * sin(a2)) + (sin(a2) > 0 ? sin(a1) * d : 0);
				labelPos[5] += (-r * (1 - cos(a1)) * sin(a2)) + (sin(a2) > 0 ? sin(a1) * d : 0);

			});
		} 

		proceed.apply(this, [].slice.call(arguments, 1));
	});

	Highcharts.wrap(Highcharts.seriesTypes.pie.prototype, 'addPoint', function (proceed) {
		proceed.apply(this, [].slice.call(arguments, 1));	
		if (this.chart.is3d()) {
			// destroy (and rebuild) everything!!!
			this.update(this.userOptions, true); // #3845 pass the old options
		}
	});

	Highcharts.wrap(Highcharts.seriesTypes.pie.prototype, 'animate', function (proceed) {
		if (!this.chart.is3d()) {
			proceed.apply(this, [].slice.call(arguments, 1));
		} else {
			var args = arguments,
				init = args[1],
				animation = this.options.animation,
				attribs,
				center = this.center,
				group = this.group,
				markerGroup = this.markerGroup;

			if (Highcharts.svg) { // VML is too slow anyway
					
					if (animation === true) {
						animation = {};
					}
					// Initialize the animation
					if (init) {
					
						// Scale down the group and place it in the center
						group.oldtranslateX = group.translateX;
						group.oldtranslateY = group.translateY;
						attribs = {
							translateX: center[0],
							translateY: center[1],
							scaleX: 0.001, // #1499
							scaleY: 0.001
						};
						
						group.attr(attribs);
						if (markerGroup) {
							markerGroup.attrSetters = group.attrSetters;
							markerGroup.attr(attribs);
						}
					
					// Run the animation
					} else {
						attribs = {
							translateX: group.oldtranslateX,
							translateY: group.oldtranslateY,
							scaleX: 1,
							scaleY: 1
						};
						group.animate(attribs, animation);

						if (markerGroup) {
							markerGroup.animate(attribs, animation);
						}
					
						// Delete this function to allow it only once
						this.animate = null;
					}
					
			}
		}
	});/*** 
		EXTENSION FOR 3D SCATTER CHART
	***/

	Highcharts.wrap(Highcharts.seriesTypes.scatter.prototype, 'translate', function (proceed) {
	//function translate3d(proceed) {
		proceed.apply(this, [].slice.call(arguments, 1));
		
		if (!this.chart.is3d()) {
			return;
		}	

		var series = this,
			chart = series.chart,
			zAxis = Highcharts.pick(series.zAxis, chart.options.zAxis[0]);

		var raw_points = [],
			raw_point,
			projected_points,
			projected_point,
			i;

		for (i = 0; i < series.data.length; i++) {
			raw_point = series.data[i];

			raw_point.isInside = raw_point.isInside ? (raw_point.z >= zAxis.min && raw_point.z <= zAxis.max) : false;

			raw_points.push({
				x: raw_point.plotX,
				y: raw_point.plotY,
				z: zAxis.translate(raw_point.z)
			});
		}

		projected_points = perspective(raw_points, chart, true);

		for (i = 0; i < series.data.length; i++) {
			raw_point = series.data[i];
			projected_point = projected_points[i];

			raw_point.plotXold = raw_point.plotX;
			raw_point.plotYold = raw_point.plotY;

			raw_point.plotX = projected_point.x;
			raw_point.plotY = projected_point.y;
			raw_point.plotZ = projected_point.z;


		}

	});

	Highcharts.wrap(Highcharts.seriesTypes.scatter.prototype, 'init', function (proceed, chart, options) {
		if (chart.is3d()) {
			// add a third coordinate
			this.axisTypes = ['xAxis', 'yAxis', 'zAxis'];
			this.pointArrayMap = ['x', 'y', 'z'];
			this.parallelArrays = ['x', 'y', 'z'];
		}

		var result = proceed.apply(this, [chart, options]);

		if (this.chart.is3d()) {
			// Set a new default tooltip formatter
			var default3dScatterTooltip = 'x: <b>{point.x}</b><br/>y: <b>{point.y}</b><br/>z: <b>{point.z}</b><br/>';
			if (this.userOptions.tooltip) {
				this.tooltipOptions.pointFormat = this.userOptions.tooltip.pointFormat || default3dScatterTooltip;
			} else {
				this.tooltipOptions.pointFormat = default3dScatterTooltip;
			}
		}
		return result;
	});
	/**
	 *	Extension to the VML Renderer
	 */
	if (Highcharts.VMLRenderer) {

	Highcharts.setOptions({animate: false});

	Highcharts.VMLRenderer.prototype.cuboid = Highcharts.SVGRenderer.prototype.cuboid;
	Highcharts.VMLRenderer.prototype.cuboidPath = Highcharts.SVGRenderer.prototype.cuboidPath;

	Highcharts.VMLRenderer.prototype.toLinePath = Highcharts.SVGRenderer.prototype.toLinePath;

	Highcharts.VMLRenderer.prototype.createElement3D = Highcharts.SVGRenderer.prototype.createElement3D;

	Highcharts.VMLRenderer.prototype.arc3d = function (shapeArgs) { 
		var result = Highcharts.SVGRenderer.prototype.arc3d.call(this, shapeArgs);
		result.css({zIndex: result.zIndex});
		return result;
	};

	Highcharts.VMLRenderer.prototype.arc3dPath = Highcharts.SVGRenderer.prototype.arc3dPath;

	Highcharts.wrap(Highcharts.Axis.prototype, 'render', function (proceed) {
		proceed.apply(this, [].slice.call(arguments, 1));
		// VML doesn't support a negative z-index
		if (this.sideFrame) {
			this.sideFrame.css({zIndex: 0});
			this.sideFrame.front.attr({fill: this.sideFrame.color});
		}
		if (this.bottomFrame) {
			this.bottomFrame.css({zIndex: 1});
			this.bottomFrame.front.attr({fill: this.bottomFrame.color});
		}	
		if (this.backFrame) {
			this.backFrame.css({zIndex: 0});
			this.backFrame.front.attr({fill: this.backFrame.color});
		}		
	});

	}

	}(Highcharts));


	/*** EXPORTS FROM exports-loader ***/


/***/ }
/******/ ])
});
;