require.js

/** vim: et:ts=4:sw=4:sts=4
 * @license RequireJS 2.0.4+ Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved.
 * Available via the MIT or new BSD license.
 * see: http://github.com/jrburke/requirejs for details
 */
/*jslint regexp: true, nomen: true */
/*global window, navigator, document, importScripts, jQuery, setTimeout, opera */

var requirejs, require, define;
( function(global) {'use strict';
		var version = '2.0.4+', commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg, cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g, jsSuffixRegExp = /\.js$/, currDirRegExp = /^\.\//, ostring = Object.prototype.toString, ap = Array.prototype, aps = ap.slice, apsp = ap.splice, isBrowser = !!( typeof window !== 'undefined' && navigator && document), isWebWorker = !isBrowser && typeof importScripts !== 'undefined',
		//PS3 indicates loaded and complete, but need to wait for complete
		//specifically. Sequence is 'loading', 'loaded', execution,
		// then 'complete'. The UA check is unfortunate, but not sure how
		//to feature test w/o causing perf issues.
		readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ? /^complete$/ : /^(complete|loaded)$/, defContextName = '_',
		//Oh the tragedy, detecting opera. See the usage of isOpera for reason.
		isOpera = typeof opera !== 'undefined' && opera.toString() === '[object Opera]', contexts = {}, cfg = {}, globalDefQueue = [], useInteractive = false, req, s, head, baseElement, dataMain, src, interactiveScript, currentlyAddingScript, mainScript, subPath;

		function isFunction(it) {
			return ostring.call(it) === '[object Function]';
		}

		function isArray(it) {
			return ostring.call(it) === '[object Array]';
		}

		/**
		 * Helper function for iterating over an array. If the func returns
		 * a true value, it will break out of the loop.
		 */
		function each(ary, func) {
			if (ary) {
				var i;
				for ( i = 0; i < ary.length; i += 1) {
					if (ary[i] && func(ary[i], i, ary)) {
						break;
					}
				}
			}
		}

		/**
		 * Helper function for iterating over an array backwards. If the func
		 * returns a true value, it will break out of the loop.
		 */
		function eachReverse(ary, func) {
			if (ary) {
				var i;
				for ( i = ary.length - 1; i > -1; i -= 1) {
					if (ary[i] && func(ary[i], i, ary)) {
						break;
					}
				}
			}
		}

		function hasProp(obj, prop) {
			return obj.hasOwnProperty(prop);
		}

		/**
		 * Cycles over properties in an object and calls a function for each
		 * property value. If the function returns a truthy value, then the
		 * iteration is stopped.
		 */
		function eachProp(obj, func) {
			var prop;
			for (prop in obj) {
				if (obj.hasOwnProperty(prop)) {
					if (func(obj[prop], prop)) {
						break;
					}
				}
			}
		}

		/**
		 * Simple function to mix in properties from source into target,
		 * but only if target does not already have a property of the same name.
		 * This is not robust in IE for transferring methods that match
		 * Object.prototype names, but the uses of mixin here seem unlikely to
		 * trigger a problem related to that.
		 */
		function mixin(target, source, force, deepStringMixin) {
			if (source) {
				eachProp(source, function(value, prop) {
					if (force || !hasProp(target, prop)) {
						if (deepStringMixin && typeof value !== 'string') {
							if (!target[prop]) {
								target[prop] = {};
							}
							mixin(target[prop], value, force, deepStringMixin);
						} else {
							target[prop] = value;
						}
					}
				});
			}
			return target;
		}

		//Similar to Function.prototype.bind, but the 'this' object is specified
		//first, since it is easier to read/figure out what 'this' will be.
		function bind(obj, fn) {
			return function() {
				return fn.apply(obj, arguments);
			};
		}

		function scripts() {
			return document.getElementsByTagName('script');
		}

		//Allow getting a global that expressed in
		//dot notation, like 'a.b.c'.
		function getGlobal(value) {
			if (!value) {
				return value;
			}
			var g = global;
			each(value.split('.'), function(part) {
				g = g[part];
			});
			return g;
		}

		function makeContextModuleFunc(func, relMap, enableBuildCallback) {
			return function() {
				//A version of a require function that passes a moduleName
				//value for items that may need to
				//look up paths relative to the moduleName
				var args = aps.call(arguments, 0), lastArg;
				if (enableBuildCallback && isFunction(( lastArg = args[args.length - 1]))) {
					lastArg.__requireJsBuild = true;
				}
				args.push(relMap);
				return func.apply(null, args);
			};
		}

		function addRequireMethods(req, context, relMap) {
			each([['toUrl'], ['undef'], ['defined', 'requireDefined'], ['specified', 'requireSpecified']], function(item) {
				var prop = item[1] || item[0];
				req[item[0]] = context ? makeContextModuleFunc(context[prop], relMap) :
				//If no context, then use default context. Reference from
				//contexts instead of early binding to default context, so
				//that during builds, the latest instance of the default
				//context with its config gets used.
				function() {
					var ctx = contexts[defContextName];
					return ctx[prop].apply(ctx, arguments);
				};
			});
		}

		/**
		 * Constructs an error with a pointer to an URL with more information.
		 * @param {String} id the error ID that maps to an ID on a web page.
		 * @param {String} message human readable error.
		 * @param {Error} [err] the original error, if there is one.
		 *
		 * @returns {Error}
		 */
		function makeError(id, msg, err, requireModules) {
			var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id);
			e.requireType = id;
			e.requireModules = requireModules;
			if (err) {
				e.originalError = err;
			}
			return e;
		}

		if ( typeof define !== 'undefined') {
			//If a define is already in play via another AMD loader,
			//do not overwrite.
			return;
		}

		if ( typeof requirejs !== 'undefined') {
			if (isFunction(requirejs)) {
				//Do not overwrite and existing requirejs instance.
				return;
			}
			cfg = requirejs;
			requirejs = undefined;
		}

		//Allow for a require config object
		if ( typeof require !== 'undefined' && !isFunction(require)) {
			//assume it is a config object.
			cfg = require;
			require = undefined;
		}

		function newContext(contextName) {
			var config = {
				waitSeconds : 7,
				baseUrl : './',
				paths : {},
				pkgs : {},
				shim : {}
			}, registry = {}, undefEvents = {}, defQueue = [], defined = {}, urlFetched = {}, requireCounter = 1, unnormalizedCounter = 1,
			//Used to track the order in which modules
			//should be executed, by the order they
			//load. Important for consistent cycle resolution
			//behavior.
			waitAry = [], inCheckLoaded, Module, context, handlers, checkLoadedTimeoutId;

			/**
			 * Trims the . and .. from an array of path segments.
			 * It will keep a leading path segment if a .. will become
			 * the first path segment, to help with module name lookups,
			 * which act like paths, but can be remapped. But the end result,
			 * all paths that use this function should look normalized.
			 * NOTE: this method MODIFIES the input array.
			 * @param {Array} ary the array of path segments.
			 */
			function trimDots(ary) {
				var i, part;
				for ( i = 0; ary[i]; i += 1) {
					part = ary[i];
					if (part === '.') {
						ary.splice(i, 1);
						i -= 1;
					} else if (part === '..') {
						if (i === 1 && (ary[2] === '..' || ary[0] === '..')) {
							//End of the line. Keep at least one non-dot
							//path segment at the front so it can be mapped
							//correctly to disk. Otherwise, there is likely
							//no path mapping for a path starting with '..'.
							//This can still fail, but catches the most reasonable
							//uses of ..
							break;
						} else if (i > 0) {
							ary.splice(i - 1, 2);
							i -= 2;
						}
					}
				}
			}

			/**
			 * Given a relative module name, like ./something, normalize it to
			 * a real name that can be mapped to a path.
			 * @param {String} name the relative name
			 * @param {String} baseName a real name that the name arg is relative
			 * to.
			 * @param {Boolean} applyMap apply the map config to the value. Should
			 * only be done if this normalization is for a dependency ID.
			 * @returns {String} normalized name
			 */
			function normalize(name, baseName, applyMap) {
				var baseParts = baseName && baseName.split('/'), normalizedBaseParts = baseParts, map = config.map, starMap = map && map['*'], pkgName, pkgConfig, mapValue, nameParts, i, j, nameSegment, foundMap;

				//Adjust any relative paths.
				if (name && name.charAt(0) === '.') {
					//If have a base name, try to normalize against it,
					//otherwise, assume it is a top-level require that will
					//be relative to baseUrl in the end.
					if (baseName) {
						if (config.pkgs[baseName]) {
							//If the baseName is a package name, then just treat it as one
							//name to concat the name with.
							normalizedBaseParts = baseParts = [baseName];
						} else {
							//Convert baseName to array, and lop off the last part,
							//so that . matches that 'directory' and not name of the baseName's
							//module. For instance, baseName of 'one/two/three', maps to
							//'one/two/three.js', but we want the directory, 'one/two' for
							//this normalization.
							normalizedBaseParts = baseParts.slice(0, baseParts.length - 1);
						}

						name = normalizedBaseParts.concat(name.split('/'));
						trimDots(name);

						//Some use of packages may use a . path to reference the
						//'main' module name, so normalize for that.
						pkgConfig = config.pkgs[( pkgName = name[0])];
						name = name.join('/');
						if (pkgConfig && name === pkgName + '/' + pkgConfig.main) {
							name = pkgName;
						}
					} else if (name.indexOf('./') === 0) {
						// No baseName, so this is ID is resolved relative
						// to baseUrl, pull off the leading dot.
						name = name.substring(2);
					}
				}

				//Apply map config if available.
				if (applyMap && (baseParts || starMap) && map) {
					nameParts = name.split('/');

					for ( i = nameParts.length; i > 0; i -= 1) {
						nameSegment = nameParts.slice(0, i).join('/');

						if (baseParts) {
							//Find the longest baseName segment match in the config.
							//So, do joins on the biggest to smallest lengths of baseParts.
							for ( j = baseParts.length; j > 0; j -= 1) {
								mapValue = map[baseParts.slice(0, j).join('/')];

								//baseName segment has  config, find if it has one for
								//this name.
								if (mapValue) {
									mapValue = mapValue[nameSegment];
									if (mapValue) {
										//Match, update name to the new value.
										foundMap = mapValue;
										break;
									}
								}
							}
						}

						if (!foundMap && starMap && starMap[nameSegment]) {
							foundMap = starMap[nameSegment];
						}

						if (foundMap) {
							nameParts.splice(0, i, foundMap);
							name = nameParts.join('/');
							break;
						}
					}
				}

				return name;
			}

			function removeScript(name) {
				if (isBrowser) {
					each(scripts(), function(scriptNode) {
						if (scriptNode.getAttribute('data-requiremodule') === name && scriptNode.getAttribute('data-requirecontext') === context.contextName) {
							scriptNode.parentNode.removeChild(scriptNode);
							return true;
						}
					});
				}
			}

			function hasPathFallback(id) {
				var pathConfig = config.paths[id];
				if (pathConfig && isArray(pathConfig) && pathConfig.length > 1) {
					removeScript(id);
					//Pop off the first array value, since it failed, and
					//retry
					pathConfig.shift();
					context.undef(id);
					context.require([id]);
					return true;
				}
			}

			/**
			 * Creates a module mapping that includes plugin prefix, module
			 * name, and path. If parentModuleMap is provided it will
			 * also normalize the name via require.normalize()
			 *
			 * @param {String} name the module name
			 * @param {String} [parentModuleMap] parent module map
			 * for the module name, used to resolve relative names.
			 * @param {Boolean} isNormalized: is the ID already normalized.
			 * This is true if this call is done for a define() module ID.
			 * @param {Boolean} applyMap: apply the map config to the ID.
			 * Should only be true if this map is for a dependency.
			 *
			 * @returns {Object}
			 */
			function makeModuleMap(name, parentModuleMap, isNormalized, applyMap) {
				var index = name ? name.indexOf('!') : -1, prefix = null, parentName = parentModuleMap ? parentModuleMap.name : null, originalName = name, isDefine = true, normalizedName = '', url, pluginModule, suffix;

				//If no name, then it means it is a require call, generate an
				//internal name.
				if (!name) {
					isDefine = false;
					name = '_@r' + (requireCounter += 1);
				}

				if (index !== -1) {
					prefix = name.substring(0, index);
					name = name.substring(index + 1, name.length);
				}

				if (prefix) {
					prefix = normalize(prefix, parentName, applyMap);
					pluginModule = defined[prefix];
				}

				//Account for relative paths if there is a base name.
				if (name) {
					if (prefix) {
						if (pluginModule && pluginModule.normalize) {
							//Plugin is loaded, use its normalize method.
							normalizedName = pluginModule.normalize(name, function(name) {
								return normalize(name, parentName, applyMap);
							});
						} else {
							normalizedName = normalize(name, parentName, applyMap);
						}
					} else {
						//A regular module.
						normalizedName = normalize(name, parentName, applyMap);
						url = context.nameToUrl(normalizedName);
					}
				}

				//If the id is a plugin id that cannot be determined if it needs
				//normalization, stamp it with a unique ID so two matching relative
				//ids that may conflict can be separate.
				suffix = prefix && !pluginModule && !isNormalized ? '_unnormalized' + (unnormalizedCounter += 1) : '';

				return {
					prefix : prefix,
					name : normalizedName,
					parentMap : parentModuleMap,
					unnormalized : !!suffix,
					url : url,
					originalName : originalName,
					isDefine : isDefine,
					id : ( prefix ? prefix + '!' + normalizedName : normalizedName) + suffix
				};
			}

			function getModule(depMap) {
				var id = depMap.id, mod = registry[id];

				if (!mod) {
					mod = registry[id] = new context.Module(depMap);
				}

				return mod;
			}

			function on(depMap, name, fn) {
				var id = depMap.id, mod = registry[id];

				if (hasProp(defined, id) && (!mod || mod.defineEmitComplete)) {
					if (name === 'defined') {
						fn(defined[id]);
					}
				} else {
					getModule(depMap).on(name, fn);
				}
			}

			function onError(err, errback) {
				var ids = err.requireModules, notified = false;

				if (errback) {
					errback(err);
				} else {
					each(ids, function(id) {
						var mod = registry[id];
						if (mod) {
							//Set error on module, so it skips timeout checks.
							mod.error = err;
							if (mod.events.error) {
								notified = true;
								mod.emit('error', err);
							}
						}
					});

					if (!notified) {
						req.onError(err);
					}
				}
			}

			/**
			 * Internal method to transfer globalQueue items to this context's
			 * defQueue.
			 */
			function takeGlobalQueue() {
				//Push all the globalDefQueue items into the context's defQueue
				if (globalDefQueue.length) {
					//Array splice in the values since the context code has a
					//local var ref to defQueue, so cannot just reassign the one
					//on context.
					apsp.apply(defQueue, [defQueue.length - 1, 0].concat(globalDefQueue));
					globalDefQueue = [];
				}
			}

			/**
			 * Helper function that creates a require function object to give to
			 * modules that ask for it as a dependency. It needs to be specific
			 * per module because of the implication of path mappings that may
			 * need to be relative to the module name.
			 */
			function makeRequire(mod, enableBuildCallback, altRequire) {
				var relMap = mod && mod.map, modRequire = makeContextModuleFunc(altRequire || context.require, relMap, enableBuildCallback);

				addRequireMethods(modRequire, context, relMap);
				modRequire.isBrowser = isBrowser;

				return modRequire;
			}

			handlers = {
				'require' : function(mod) {
					return makeRequire(mod);
				},
				'exports' : function(mod) {
					mod.usingExports = true;
					if (mod.map.isDefine) {
						return (mod.exports = defined[mod.map.id] = {});
					}
				},
				'module' : function(mod) {
					return (mod.module = {
						id : mod.map.id,
						uri : mod.map.url,
						config : function() {
							return (config.config && config.config[mod.map.id]) || {};
						},
						exports : defined[mod.map.id]
					});
				}
			};

			function removeWaiting(id) {
				//Clean up machinery used for waiting modules.
				delete registry[id];

				each(waitAry, function(mod, i) {
					if (mod.map.id === id) {
						waitAry.splice(i, 1);
						if (!mod.defined) {
							context.waitCount -= 1;
						}
						return true;
					}
				});
			}

			function findCycle(mod, traced) {
				var id = mod.map.id, depArray = mod.depMaps, foundModule;

				//Do not bother with unitialized modules or not yet enabled
				//modules.
				if (!mod.inited) {
					return;
				}

				//Found the cycle.
				if (traced[id]) {
					return mod;
				}

				traced[id] = true;

				//Trace through the dependencies.
				each(depArray, function(depMap) {
					var depId = depMap.id, depMod = registry[depId];

					if (!depMod) {
						return;
					}

					if (!depMod.inited || !depMod.enabled) {
						//Dependency is not inited, so this cannot
						//be used to determine a cycle.
						foundModule = null;
						delete traced[id];
						return true;
					}

					//mixin traced to a new object for each dependency, so that
					//sibling dependencies in this object to not generate a
					//false positive match on a cycle. Ideally an Object.create
					//type of prototype delegation would be used here, but
					//optimizing for file size vs. execution speed since hopefully
					//the trees are small for circular dependency scans relative
					//to the full app perf.
					return ( foundModule = findCycle(depMod, mixin({}, traced)));
				});

				return foundModule;
			}

			function forceExec(mod, traced, uninited) {
				var id = mod.map.id, depArray = mod.depMaps;

				if (!mod.inited || !mod.map.isDefine) {
					return;
				}

				if (traced[id]) {
					return defined[id];
				}

				traced[id] = mod;

				each(depArray, function(depMap) {
					var depId = depMap.id, depMod = registry[depId], value;

					if (handlers[depId]) {
						return;
					}

					if (depMod) {
						if (!depMod.inited || !depMod.enabled) {
							//Dependency is not inited,
							//so this module cannot be
							//given a forced value yet.
							uninited[id] = true;
							return;
						}

						//Get the value for the current dependency
						value = forceExec(depMod, traced, uninited);

						//Even with forcing it may not be done,
						//in particular if the module is waiting
						//on a plugin resource.
						if (!uninited[depId]) {
							mod.defineDepById(depId, value);
						}
					}
				});

				mod.check(true);

				return defined[id];
			}

			function modCheck(mod) {
				mod.check();
			}

			function checkLoaded() {
				var waitInterval = config.waitSeconds * 1000,
				//It is possible to disable the wait interval by using waitSeconds of 0.
				expired = waitInterval && (context.startTime + waitInterval) < new Date().getTime(), noLoads = [], stillLoading = false, needCycleCheck = true, map, modId, err, usingPathFallback;

				//Do not bother if this call was a result of a cycle break.
				if (inCheckLoaded) {
					return;
				}

				inCheckLoaded = true;

				//Figure out the state of all the modules.
				eachProp(registry, function(mod) {
					map = mod.map;
					modId = map.id;

					//Skip things that are not enabled or in error state.
					if (!mod.enabled) {
						return;
					}

					if (!mod.error) {
						//If the module should be executed, and it has not
						//been inited and time is up, remember it.
						if (!mod.inited && expired) {
							if (hasPathFallback(modId)) {
								usingPathFallback = true;
								stillLoading = true;
							} else {
								noLoads.push(modId);
								removeScript(modId);
							}
						} else if (!mod.inited && mod.fetched && map.isDefine) {
							stillLoading = true;
							if (!map.prefix) {
								//No reason to keep looking for unfinished
								//loading. If the only stillLoading is a
								//plugin resource though, keep going,
								//because it may be that a plugin resource
								//is waiting on a non-plugin cycle.
								return ( needCycleCheck = false);
							}
						}
					}
				});

				if (expired && noLoads.length) {
					//If wait time expired, throw error of unloaded modules.
					err = makeError('timeout', 'Load timeout for modules: ' + noLoads, null, noLoads);
					err.contextName = context.contextName;
					return onError(err);
				}

				//Not expired, check for a cycle.
				if (needCycleCheck) {

					each(waitAry, function(mod) {
						if (mod.defined) {
							return;
						}

						var cycleMod = findCycle(mod, {}), traced = {};

						if (cycleMod) {
							forceExec(cycleMod, traced, {});

							//traced modules may have been
							//removed from the registry, but
							//their listeners still need to
							//be called.
							eachProp(traced, modCheck);
						}
					});

					//Now that dependencies have
					//been satisfied, trigger the
					//completion check that then
					//notifies listeners.
					eachProp(registry, modCheck);
				}

				//If still waiting on loads, and the waiting load is something
				//other than a plugin resource, or there are still outstanding
				//scripts, then just try back later.
				if ((!expired || usingPathFallback) && stillLoading) {
					//Something is still waiting to load. Wait for it, but only
					//if a timeout is not already in effect.
					if ((isBrowser || isWebWorker) && !checkLoadedTimeoutId) {
						checkLoadedTimeoutId = setTimeout(function() {
							checkLoadedTimeoutId = 0;
							checkLoaded();
						}, 50);
					}
				}

				inCheckLoaded = false;
			}

			Module = function(map) {
				this.events = undefEvents[map.id] || {};
				this.map = map;
				this.shim = config.shim[map.id];
				this.depExports = [];
				this.depMaps = [];
				this.depMatched = [];
				this.pluginMaps = {};
				this.depCount = 0;

				/* this.exports this.factory
				 this.depMaps = [],
				 this.enabled, this.fetched
				 */
			};

			Module.prototype = {
				init : function(depMaps, factory, errback, options) {
					options = options || {};

					//Do not do more inits if already done. Can happen if there
					//are multiple define calls for the same module. That is not
					//a normal, common case, but it is also not unexpected.
					if (this.inited) {
						return;
					}

					this.factory = factory;

					if (errback) {
						//Register for errors on this module.
						this.on('error', errback);
					} else if (this.events.error) {
						//If no errback already, but there are error listeners
						//on this module, set up an errback to pass to the deps.
						errback = bind(this, function(err) {
							this.emit('error', err);
						});
					}

					//Do a copy of the dependency array, so that
					//source inputs are not modified. For example
					//"shim" deps are passed in here directly, and
					//doing a direct modification of the depMaps array
					//would affect that config.
					this.depMaps = depMaps && depMaps.slice(0);
					this.depMaps.rjsSkipMap = depMaps.rjsSkipMap;

					this.errback = errback;

					//Indicate this module has be initialized
					this.inited = true;

					this.ignore = options.ignore;

					//Could have option to init this module in enabled mode,
					//or could have been previously marked as enabled. However,
					//the dependencies are not known until init is called. So
					//if enabled previously, now trigger dependencies as enabled.
					if (options.enabled || this.enabled) {
						//Enable this module and dependencies.
						//Will call this.check()
						this.enable();
					} else {
						this.check();
					}
				},

				defineDepById : function(id, depExports) {
					var i;

					//Find the index for this dependency.
					each(this.depMaps, function(map, index) {
						if (map.id === id) {
							i = index;
							return true;
						}
					});

					return this.defineDep(i, depExports);
				},

				defineDep : function(i, depExports) {
					//Because of cycles, defined callback for a given
					//export can be called more than once.
					if (!this.depMatched[i]) {
						this.depMatched[i] = true;
						this.depCount -= 1;
						this.depExports[i] = depExports;
					}
				},

				fetch : function() {
					if (this.fetched) {
						return;
					}
					this.fetched = true;

					context.startTime = (new Date()).getTime();

					var map = this.map;

					//If the manager is for a plugin managed resource,
					//ask the plugin to load it now.
					if (this.shim) {
						makeRequire(this, true)(this.shim.deps || [], bind(this, function() {
							return map.prefix ? this.callPlugin() : this.load();
						}));
					} else {
						//Regular dependency.
						return map.prefix ? this.callPlugin() : this.load();
					}
				},

				load : function() {
					var url = this.map.url;

					//Regular dependency.
					if (!urlFetched[url]) {
						urlFetched[url] = true;
						context.load(this.map.id, url);
					}
				},

				/**
				 * Checks is the module is ready to define itself, and if so,
				 * define it. If the silent argument is true, then it will just
				 * define, but not notify listeners, and not ask for a context-wide
				 * check of all loaded modules. That is useful for cycle breaking.
				 */
				check : function(silent) {
					if (!this.enabled || this.enabling) {
						return;
					}

					var id = this.map.id, depExports = this.depExports, exports = this.exports, factory = this.factory, err, cjsModule;

					if (!this.inited) {
						this.fetch();
					} else if (this.error) {
						this.emit('error', this.error);
					} else if (!this.defining) {
						//The factory could trigger another require call
						//that would result in checking this module to
						//define itself again. If already in the process
						//of doing that, skip this work.
						this.defining = true;

						if (this.depCount < 1 && !this.defined) {
							if (isFunction(factory)) {
								//If there is an error listener, favor passing
								//to that instead of throwing an error.
								if (this.events.error) {
									try {
										exports = context.execCb(id, factory, depExports, exports);
									} catch (e) {
										err = e;
									}
								} else {
									exports = context.execCb(id, factory, depExports, exports);
								}

								if (this.map.isDefine) {
									//If setting exports via 'module' is in play,
									//favor that over return value and exports. After that,
									//favor a non-undefined return value over exports use.
									cjsModule = this.module;
									if (cjsModule && cjsModule.exports !== undefined &&
									//Make sure it is not already the exports value
									cjsModule.exports !== this.exports) {
										exports = cjsModule.exports;
									} else if (exports === undefined && this.usingExports) {
										//exports already set the defined value.
										exports = this.exports;
									}
								}

								if (err) {
									err.requireMap = this.map;
									err.requireModules = [this.map.id];
									err.requireType = 'define';
									return onError((this.error = err));
								}

							} else {
								//Just a literal value
								exports = factory;
							}

							this.exports = exports;

							if (this.map.isDefine && !this.ignore) {
								defined[id] = exports;

								if (req.onResourceLoad) {
									req.onResourceLoad(context, this.map, this.depMaps);
								}
							}

							//Clean up
							delete registry[id];

							this.defined = true;
							context.waitCount -= 1;
							if (context.waitCount === 0) {
								//Clear the wait array used for cycles.
								waitAry = [];
							}
						}

						//Finished the define stage. Allow calling check again
						//to allow define notifications below in the case of a
						//cycle.
						this.defining = false;

						if (!silent) {
							if (this.defined && !this.defineEmitted) {
								this.defineEmitted = true;
								this.emit('defined', this.exports);
								this.defineEmitComplete = true;
							}
						}
					}
				},

				callPlugin : function() {
					var map = this.map, id = map.id, pluginMap = makeModuleMap(map.prefix, null, false, true);

					on(pluginMap, 'defined', bind(this, function(plugin) {
						var name = this.map.name, parentName = this.map.parentMap ? this.map.parentMap.name : null, load, normalizedMap, normalizedMod;

						//If current map is not normalized, wait for that
						//normalized name to load instead of continuing.
						if (this.map.unnormalized) {
							//Normalize the ID if the plugin allows it.
							if (plugin.normalize) {
								name = plugin.normalize(name, function(name) {
									return normalize(name, parentName, true);
								}) || '';
							}

							normalizedMap = makeModuleMap(map.prefix + '!' + name, this.map.parentMap, false, true);
							on(normalizedMap, 'defined', bind(this, function(value) {
								this.init([], function() {
									return value;
								}, null, {
									enabled : true,
									ignore : true
								});
							}));
							normalizedMod = registry[normalizedMap.id];
							if (normalizedMod) {
								if (this.events.error) {
									normalizedMod.on('error', bind(this, function(err) {
										this.emit('error', err);
									}));
								}
								normalizedMod.enable();
							}

							return;
						}

						load = bind(this, function(value) {
							this.init([], function() {
								return value;
							}, null, {
								enabled : true
							});
						});

						load.error = bind(this, function(err) {
							this.inited = true;
							this.error = err;
							err.requireModules = [id];

							//Remove temp unnormalized modules for this module,
							//since they will never be resolved otherwise now.
							eachProp(registry, function(mod) {
								if (mod.map.id.indexOf(id + '_unnormalized') === 0) {
									removeWaiting(mod.map.id);
								}
							});

							onError(err);
						});

						//Allow plugins to load other code without having to know the
						//context or how to 'complete' the load.
						load.fromText = function(moduleName, text) {
							/*jslint evil: true */
							var hasInteractive = useInteractive;

							//Turn off interactive script matching for IE for any define
							//calls in the text, then turn it back on at the end.
							if (hasInteractive) {
								useInteractive = false;
							}

							//Prime the system by creating a module instance for
							//it.
							getModule(makeModuleMap(moduleName));

							req.exec(text);

							if (hasInteractive) {
								useInteractive = true;
							}

							//Support anonymous modules.
							context.completeLoad(moduleName);
						};

						//Use parentName here since the plugin's name is not reliable,
						//could be some weird string with no path that actually wants to
						//reference the parentName's path.
						plugin.load(map.name, makeRequire(map.parentMap, true, function(deps, cb) {
							deps.rjsSkipMap = true;
							return context.require(deps, cb);
						}), load, config);
					}));

					context.enable(pluginMap, this);
					this.pluginMaps[pluginMap.id] = pluginMap;
				},

				enable : function() {
					this.enabled = true;

					if (!this.waitPushed) {
						waitAry.push(this);
						context.waitCount += 1;
						this.waitPushed = true;
					}

					//Set flag mentioning that the module is enabling,
					//so that immediate calls to the defined callbacks
					//for dependencies do not trigger inadvertent load
					//with the depCount still being zero.
					this.enabling = true;

					//Enable each dependency
					each(this.depMaps, bind(this, function(depMap, i) {
						var id, mod, handler;

						if ( typeof depMap === 'string') {
							//Dependency needs to be converted to a depMap
							//and wired up to this module.
							depMap = makeModuleMap(depMap, (this.map.isDefine ? this.map : this.map.parentMap), false, !this.depMaps.rjsSkipMap);
							this.depMaps[i] = depMap;

							handler = handlers[depMap.id];

							if (handler) {
								this.depExports[i] = handler(this);
								return;
							}

							this.depCount += 1;

							on(depMap, 'defined', bind(this, function(depExports) {
								this.defineDep(i, depExports);
								this.check();
							}));

							if (this.errback) {
								on(depMap, 'error', this.errback);
							}
						}

						id = depMap.id;
						mod = registry[id];

						//Skip special modules like 'require', 'exports', 'module'
						//Also, don't call enable if it is already enabled,
						//important in circular dependency cases.
						if (!handlers[id] && mod && !mod.enabled) {
							context.enable(depMap, this);
						}
					}));

					//Enable each plugin that is used in
					//a dependency
					eachProp(this.pluginMaps, bind(this, function(pluginMap) {
						var mod = registry[pluginMap.id];
						if (mod && !mod.enabled) {
							context.enable(pluginMap, this);
						}
					}));

					this.enabling = false;

					this.check();
				},

				on : function(name, cb) {
					var cbs = this.events[name];
					if (!cbs) {
						cbs = this.events[name] = [];
					}
					cbs.push(cb);
				},

				emit : function(name, evt) {
					each(this.events[name], function(cb) {
						cb(evt);
					});
					if (name === 'error') {
						//Now that the error handler was triggered, remove
						//the listeners, since this broken Module instance
						//can stay around for a while in the registry/waitAry.
						delete this.events[name];
					}
				}
			};

			function callGetModule(args) {
				getModule(makeModuleMap(args[0], null, true)).init(args[1], args[2]);
			}

			function removeListener(node, func, name, ieName) {
				//Favor detachEvent because of IE9
				//issue, see attachEvent/addEventListener comment elsewhere
				//in this file.
				if (node.detachEvent && !isOpera) {
					//Probably IE. If not it will throw an error, which will be
					//useful to know.
					if (ieName) {
						node.detachEvent(ieName, func);
					}
				} else {
					node.removeEventListener(name, func, false);
				}
			}

			/**
			 * Given an event from a script node, get the requirejs info from it,
			 * and then removes the event listeners on the node.
			 * @param {Event} evt
			 * @returns {Object}
			 */
			function getScriptData(evt) {
				//Using currentTarget instead of target for Firefox 2.0's sake. Not
				//all old browsers will be supported, but this one was easy enough
				//to support and still makes sense.
				var node = evt.currentTarget || evt.srcElement;

				//Remove the listeners once here.
				removeListener(node, context.onScriptLoad, 'load', 'onreadystatechange');
				removeListener(node, context.onScriptError, 'error');

				return {
					node : node,
					id : node && node.getAttribute('data-requiremodule')
				};
			}

			return ( context = {
				config : config,
				contextName : contextName,
				registry : registry,
				defined : defined,
				urlFetched : urlFetched,
				waitCount : 0,
				defQueue : defQueue,
				Module : Module,
				makeModuleMap : makeModuleMap,

				/**
				 * Set a configuration for the context.
				 * @param {Object} cfg config object to integrate.
				 */
				configure : function(cfg) {
					//Make sure the baseUrl ends in a slash.
					if (cfg.baseUrl) {
						if (cfg.baseUrl.charAt(cfg.baseUrl.length - 1) !== '/') {
							cfg.baseUrl += '/';
						}
					}

					//Save off the paths and packages since they require special processing,
					//they are additive.
					var pkgs = config.pkgs, shim = config.shim, paths = config.paths, map = config.map;

					//Mix in the config values, favoring the new values over
					//existing ones in context.config.
					mixin(config, cfg, true);

					//Merge paths.
					config.paths = mixin(paths, cfg.paths, true);

					//Merge map
					if (cfg.map) {
						config.map = mixin(map || {}, cfg.map, true, true);
					}

					//Merge shim
					if (cfg.shim) {
						eachProp(cfg.shim, function(value, id) {
							//Normalize the structure
							if (isArray(value)) {
								value = {
									deps : value
								};
							}
							if (value.exports && !value.exports.__buildReady) {
								value.exports = context.makeShimExports(value.exports);
							}
							shim[id] = value;
						});
						config.shim = shim;
					}

					//Adjust packages if necessary.
					if (cfg.packages) {
						each(cfg.packages, function(pkgObj) {
							var location;

							pkgObj = typeof pkgObj === 'string' ? {
								name : pkgObj
							} : pkgObj;
							location = pkgObj.location;

							//Create a brand new object on pkgs, since currentPackages can
							//be passed in again, and config.pkgs is the internal transformed
							//state for all package configs.
							pkgs[pkgObj.name] = {
								name : pkgObj.name,
								location : location || pkgObj.name,
								//Remove leading dot in main, so main paths are normalized,
								//and remove any trailing .js, since different package
								//envs have different conventions: some use a module name,
								//some use a file name.
								main : (pkgObj.main || 'main').replace(currDirRegExp, '').replace(jsSuffixRegExp, '')
							};
						});

						//Done with modifications, assing packages back to context config
						config.pkgs = pkgs;
					}

					//If there are any "waiting to execute" modules in the registry,
					//update the maps for them, since their info, like URLs to load,
					//may have changed.
					eachProp(registry, function(mod, id) {
						//If module already has init called, since it is too
						//late to modify them.
						if (!mod.inited) {
							mod.map = makeModuleMap(id);
						}
					});

					//If a deps array or a config callback is specified, then call
					//require with those args. This is useful when require is defined as a
					//config object before require.js is loaded.
					if (cfg.deps || cfg.callback) {
						context.require(cfg.deps || [], cfg.callback);
					}
				},

				makeShimExports : function(exports) {
					var func;
					if ( typeof exports === 'string') {
						func = function() {
							return getGlobal(exports);
						};
						//Save the exports for use in nodefine checking.
						func.exports = exports;
						return func;
					} else {
						return function() {
							return exports.apply(global, arguments);
						};
					}
				},

				requireDefined : function(id, relMap) {
					return hasProp(defined, makeModuleMap(id, relMap, false, true).id);
				},

				requireSpecified : function(id, relMap) {
					id = makeModuleMap(id, relMap, false, true).id;
					return hasProp(defined, id) || hasProp(registry, id);
				},

				require : function(deps, callback, errback, relMap) {
					var moduleName, id, map, requireMod, args;
					if ( typeof deps === 'string') {
						if (isFunction(callback)) {
							//Invalid call
							return onError(makeError('requireargs', 'Invalid require call'), errback);
						}

						//Synchronous access to one module. If require.get is
						//available (as in the Node adapter), prefer that.
						//In this case deps is the moduleName and callback is
						//the relMap
						if (req.get) {
							return req.get(context, deps, callback);
						}

						//Just return the module wanted. In this scenario, the
						//second arg (if passed) is just the relMap.
						moduleName = deps;
						relMap = callback;

						//Normalize module name, if it contains . or ..
						map = makeModuleMap(moduleName, relMap, false, true);
						id = map.id;

						if (!hasProp(defined, id)) {
							return onError(makeError('notloaded', 'Module name "' + id + '" has not been loaded yet for context: ' + contextName));
						}
						return defined[id];
					}

					//Callback require. Normalize args. if callback or errback is
					//not a function, it means it is a relMap. Test errback first.
					if (errback && !isFunction(errback)) {
						relMap = errback;
						errback = undefined;
					}
					if (callback && !isFunction(callback)) {
						relMap = callback;
						callback = undefined;
					}

					//Any defined modules in the global queue, intake them now.
					takeGlobalQueue();

					//Make sure any remaining defQueue items get properly processed.
					while (defQueue.length) {
						args = defQueue.shift();
						if (args[0] === null) {
							return onError(makeError('mismatch', 'Mismatched anonymous define() module: ' + args[args.length - 1]));
						} else {
							//args are id, deps, factory. Should be normalized by the
							//define() function.
							callGetModule(args);
						}
					}

					//Mark all the dependencies as needing to be loaded.
					requireMod = getModule(makeModuleMap(null, relMap));

					requireMod.init(deps, callback, errback, {
						enabled : true
					});

					checkLoaded();

					return context.require;
				},

				undef : function(id) {
					var map = makeModuleMap(id, null, true), mod = registry[id];
					delete defined[id];
					delete urlFetched[map.url];
					delete undefEvents[id];

					if (mod) {
						//Hold on to listeners in case the
						//module will be attempted to be reloaded
						//using a different config.
						if (mod.events.defined) {
							undefEvents[id] = mod.events;
						}

						removeWaiting(id);
					}
				},

				/**
				 * Called to enable a module if it is still in the registry
				 * awaiting enablement. parent module is passed in for context,
				 * used by the optimizer.
				 */
				enable : function(depMap, parent) {
					var mod = registry[depMap.id];
					if (mod) {
						getModule(depMap).enable();
					}
				},

				/**
				 * Internal method used by environment adapters to complete a load event.
				 * A load event could be a script load or just a load pass from a synchronous
				 * load call.
				 * @param {String} moduleName the name of the module to potentially complete.
				 */
				completeLoad : function(moduleName) {
					var shim = config.shim[moduleName] || {}, shExports = shim.exports && shim.exports.exports, found, args, mod;

					takeGlobalQueue();

					while (defQueue.length) {
						args = defQueue.shift();
						if (args[0] === null) {
							args[0] = moduleName;
							//If already found an anonymous module and bound it
							//to this name, then this is some other anon module
							//waiting for its completeLoad to fire.
							if (found) {
								break;
							}
							found = true;
						} else if (args[0] === moduleName) {
							//Found matching define call for this script!
							found = true;
						}

						callGetModule(args);
					}

					//Do this after the cycle of callGetModule in case the result
					//of those calls/init calls changes the registry.
					mod = registry[moduleName];

					if (!found && !defined[moduleName] && mod && !mod.inited) {
						if (config.enforceDefine && (!shExports || !getGlobal(shExports))) {
							if (hasPathFallback(moduleName)) {
								return;
							} else {
								return onError(makeError('nodefine', 'No define call for ' + moduleName, null, [moduleName]));
							}
						} else {
							//A script that does not call define(), so just simulate
							//the call for it.
							callGetModule([moduleName, (shim.deps || []), shim.exports]);
						}
					}

					checkLoaded();
				},

				/**
				 * Converts a module name + .extension into an URL path.
				 * *Requires* the use of a module name. It does not support using
				 * plain URLs like nameToUrl.
				 */
				toUrl : function(moduleNamePlusExt, relModuleMap) {
					var index = moduleNamePlusExt.lastIndexOf('.'), ext = null;

					if (index !== -1) {
						ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length);
						moduleNamePlusExt = moduleNamePlusExt.substring(0, index);
					}

					return context.nameToUrl(normalize(moduleNamePlusExt, relModuleMap && relModuleMap.id, true), ext);
				},

				/**
				 * Converts a module name to a file path. Supports cases where
				 * moduleName may actually be just an URL.
				 * Note that it **does not** call normalize on the moduleName,
				 * it is assumed to have already been normalized. This is an
				 * internal API, not a public one. Use toUrl for the public API.
				 */
				nameToUrl : function(moduleName, ext) {
					var paths, pkgs, pkg, pkgPath, syms, i, parentModule, url, parentPath;

					//If a colon is in the URL, it indicates a protocol is used and it is just
					//an URL to a file, or if it starts with a slash, contains a query arg (i.e. ?)
					//or ends with .js, then assume the user meant to use an url and not a module id.
					//The slash is important for protocol-less URLs as well as full paths.
					if (req.jsExtRegExp.test(moduleName)) {
						//Just a plain path, not module name lookup, so just return it.
						//Add extension if it is included. This is a bit wonky, only non-.js things pass
						//an extension, this method probably needs to be reworked.
						url = moduleName + (ext || '');
					} else {
						//A module that needs to be converted to a path.
						paths = config.paths;
						pkgs = config.pkgs;

						syms = moduleName.split('/');
						//For each module name segment, see if there is a path
						//registered for it. Start with most specific name
						//and work up from it.
						for ( i = syms.length; i > 0; i -= 1) {
							parentModule = syms.slice(0, i).join('/');
							pkg = pkgs[parentModule];
							parentPath = paths[parentModule];
							if (parentPath) {
								//If an array, it means there are a few choices,
								//Choose the one that is desired
								if (isArray(parentPath)) {
									parentPath = parentPath[0];
								}
								syms.splice(0, i, parentPath);
								break;
							} else if (pkg) {
								//If module name is just the package name, then looking
								//for the main module.
								if (moduleName === pkg.name) {
									pkgPath = pkg.location + '/' + pkg.main;
								} else {
									pkgPath = pkg.location;
								}
								syms.splice(0, i, pkgPath);
								break;
							}
						}

						//Join the path parts together, then figure out if baseUrl is needed.
						url = syms.join('/') + (ext || '.js');
						url = (url.charAt(0) === '/' || url.match(/^[\w\+\.\-]+:/) ? '' : config.baseUrl) + url;
					}

					return config.urlArgs ? url + ((url.indexOf('?') === -1 ? '?' : '&') + config.urlArgs) : url;
				},

				//Delegates to req.load. Broken out as a separate function to
				//allow overriding in the optimizer.
				load : function(id, url) {
					req.load(context, id, url);
				},

				/**
				 * Executes a module callack function. Broken out as a separate function
				 * solely to allow the build system to sequence the files in the built
				 * layer in the right sequence.
				 *
				 * @private
				 */
				execCb : function(name, callback, args, exports) {
					return callback.apply(exports, args);
				},

				/**
				 * callback for script loads, used to check status of loading.
				 *
				 * @param {Event} evt the event from the browser for the script
				 * that was loaded.
				 */
				onScriptLoad : function(evt) {
					//Using currentTarget instead of target for Firefox 2.0's sake. Not
					//all old browsers will be supported, but this one was easy enough
					//to support and still makes sense.
					if (evt.type === 'load' || (readyRegExp.test((evt.currentTarget || evt.srcElement).readyState))) {
						//Reset interactive script so a script node is not held onto for
						//to long.
						interactiveScript = null;

						//Pull out the name of the module and the context.
						var data = getScriptData(evt);
						context.completeLoad(data.id);
					}
				},

				/**
				 * Callback for script errors.
				 */
				onScriptError : function(evt) {
					var data = getScriptData(evt);
					if (!hasPathFallback(data.id)) {
						return onError(makeError('scripterror', 'Script error', evt, [data.id]));
					}
				}
			});
		}

		/**
		 * Main entry point.
		 *
		 * If the only argument to require is a string, then the module that
		 * is represented by that string is fetched for the appropriate context.
		 *
		 * If the first argument is an array, then it will be treated as an array
		 * of dependency string names to fetch. An optional function callback can
		 * be specified to execute when all of those dependencies are available.
		 *
		 * Make a local req variable to help Caja compliance (it assumes things
		 * on a require that are not standardized), and to give a short
		 * name for minification/local scope use.
		 */
		req = requirejs = function(deps, callback, errback, optional) {

			//Find the right context, use default
			var contextName = defContextName, context, config;

			// Determine if have config object in the call.
			if (!isArray(deps) && typeof deps !== 'string') {
				// deps is a config object
				config = deps;
				if (isArray(callback)) {
					// Adjust args if there are dependencies
					deps = callback;
					callback = errback;
					errback = optional;
				} else {
					deps = [];
				}
			}

			if (config && config.context) {
				contextName = config.context;
			}

			context = contexts[contextName];
			if (!context) {
				context = contexts[contextName] = req.s.newContext(contextName);
			}

			if (config) {
				context.configure(config);
			}

			return context.require(deps, callback, errback);
		};

		/**
		 * Support require.config() to make it easier to cooperate with other
		 * AMD loaders on globally agreed names.
		 */
		req.config = function(config) {
			return req(config);
		};

		/**
		 * Export require as a global, but only if it does not already exist.
		 */
		if (!require) {
			require = req;
		}

		req.version = version;

		//Used to filter out dependencies that are already paths.
		req.jsExtRegExp = /^\/|:|\?|\.js$/;
		req.isBrowser = isBrowser;
		s = req.s = {
			contexts : contexts,
			newContext : newContext
		};

		//Create default context.
		req({});

		//Exports some context-sensitive methods on global require, using
		//default context if no context specified.
		addRequireMethods(req);

		if (isBrowser) {
			head = s.head = document.getElementsByTagName('head')[0];
			//If BASE tag is in play, using appendChild is a problem for IE6.
			//When that browser dies, this can be removed. Details in this jQuery bug:
			//http://dev.jquery.com/ticket/2709
			baseElement = document.getElementsByTagName('base')[0];
			if (baseElement) {
				head = s.head = baseElement.parentNode;
			}
		}

		/**
		 * Any errors that require explicitly generates will be passed to this
		 * function. Intercept/override it if you want custom error handling.
		 * @param {Error} err the error object.
		 */
		req.onError = function(err) {
			throw err;
		};

		/**
		 * Does the request to load a module for the browser case.
		 * Make this a separate function to allow other environments
		 * to override it.
		 *
		 * @param {Object} context the require context to find state.
		 * @param {String} moduleName the name of the module.
		 * @param {Object} url the URL to the module.
		 */
		req.load = function(context, moduleName, url) {
			var config = (context && context.config) || {}, node;
			if (isBrowser) {
				//In the browser so use a script tag
				node = config.xhtml ? document.createElementNS('http://www.w3.org/1999/xhtml', 'html:script') : document.createElement('script');
				node.type = config.scriptType || 'text/javascript';
				node.charset = 'utf-8';
				node.async = true;

				node.setAttribute('data-requirecontext', context.contextName);
				node.setAttribute('data-requiremodule', moduleName);

				//Set up load listener. Test attachEvent first because IE9 has
				//a subtle issue in its addEventListener and script onload firings
				//that do not match the behavior of all other browsers with
				//addEventListener support, which fire the onload event for a
				//script right after the script execution. See:
				//https://connect.microsoft.com/IE/feedback/details/648057/script-onload-event-is-not-fired-immediately-after-script-execution
				//UNFORTUNATELY Opera implements attachEvent but does not follow the script
				//script execution mode.
				if (node.attachEvent &&
				//Check if node.attachEvent is artificially added by custom script or
				//natively supported by browser
				//read https://github.com/jrburke/requirejs/issues/187
				//if we can NOT find [native code] then it must NOT natively supported.
				//in IE8, node.attachEvent does not have toString()
				//Note the test for "[native code" with no closing brace, see:
				//https://github.com/jrburke/requirejs/issues/273
				!(node.attachEvent.toString && node.attachEvent.toString().indexOf('[native code') < 0) && !isOpera) {
					//Probably IE. IE (at least 6-8) do not fire
					//script onload right after executing the script, so
					//we cannot tie the anonymous define call to a name.
					//However, IE reports the script as being in 'interactive'
					//readyState at the time of the define call.
					useInteractive = true;

					node.attachEvent('onreadystatechange', context.onScriptLoad);
					//It would be great to add an error handler here to catch
					//404s in IE9+. However, onreadystatechange will fire before
					//the error handler, so that does not help. If addEvenListener
					//is used, then IE will fire error before load, but we cannot
					//use that pathway given the connect.microsoft.com issue
					//mentioned above about not doing the 'script execute,
					//then fire the script load event listener before execute
					//next script' that other browsers do.
					//Best hope: IE10 fixes the issues,
					//and then destroys all installs of IE 6-9.
					//node.attachEvent('onerror', context.onScriptError);
				} else {
					node.addEventListener('load', context.onScriptLoad, false);
					node.addEventListener('error', context.onScriptError, false);
				}
				node.src = url;

				//For some cache cases in IE 6-8, the script executes before the end
				//of the appendChild execution, so to tie an anonymous define
				//call to the module name (which is stored on the node), hold on
				//to a reference to this node, but clear after the DOM insertion.
				currentlyAddingScript = node;
				if (baseElement) {
					head.insertBefore(node, baseElement);
				} else {
					head.appendChild(node);
				}
				currentlyAddingScript = null;

				return node;
			} else if (isWebWorker) {
				//In a web worker, use importScripts. This is not a very
				//efficient use of importScripts, importScripts will block until
				//its script is downloaded and evaluated. However, if web workers
				//are in play, the expectation that a build has been done so that
				//only one script needs to be loaded anyway. This may need to be
				//reevaluated if other use cases become common.
				importScripts(url);

				//Account for anonymous modules
				context.completeLoad(moduleName);
			}
		};

		function getInteractiveScript() {
			if (interactiveScript && interactiveScript.readyState === 'interactive') {
				return interactiveScript;
			}

			eachReverse(scripts(), function(script) {
				if (script.readyState === 'interactive') {
					return ( interactiveScript = script);
				}
			});
			return interactiveScript;
		}

		//Look for a data-main script attribute, which could also adjust the baseUrl.
		if (isBrowser) {
			//Figure out baseUrl. Get it from the script tag with require.js in it.
			eachReverse(scripts(), function(script) {
				//Set the 'head' where we can append children by
				//using the script's parent.
				if (!head) {
					head = script.parentNode;
				}

				//Look for a data-main attribute to set main script for the page
				//to load. If it is there, the path to data main becomes the
				//baseUrl, if it is not already set.
				dataMain = script.getAttribute('data-main');
				if (dataMain) {
					//Set final baseUrl if there is not already an explicit one.
					if (!cfg.baseUrl) {
						//Pull off the directory of data-main for use as the
						//baseUrl.
						src = dataMain.split('/');
						mainScript = src.pop();
						subPath = src.length ? src.join('/') + '/' : './';

						cfg.baseUrl = subPath;
						dataMain = mainScript;
					}

					//Strip off any trailing .js since dataMain is now
					//like a module name.
					dataMain = dataMain.replace(jsSuffixRegExp, '');

					//Put the data-main script in the files to load.
					cfg.deps = cfg.deps ? cfg.deps.concat(dataMain) : [dataMain];

					return true;
				}
			});
		}

		/**
		 * The function that handles definitions of modules. Differs from
		 * require() in that a string for the module should be the first argument,
		 * and the function to execute after dependencies are loaded should
		 * return a value to define the module corresponding to the first argument's
		 * name.
		 */
		define = function(name, deps, callback) {
			var node, context;

			//Allow for anonymous functions
			if ( typeof name !== 'string') {
				//Adjust args appropriately
				callback = deps;
				deps = name;
				name = null;
			}

			//This module may not have dependencies
			if (!isArray(deps)) {
				callback = deps;
				deps = [];
			}

			//If no name, and callback is a function, then figure out if it a
			//CommonJS thing with dependencies.
			if (!deps.length && isFunction(callback)) {
				//Remove comments from the callback string,
				//look for require calls, and pull them into the dependencies,
				//but only if there are function args.
				if (callback.length) {
					callback.toString().replace(commentRegExp, '').replace(cjsRequireRegExp, function(match, dep) {
						deps.push(dep);
					});

					//May be a CommonJS thing even without require calls, but still
					//could use exports, and module. Avoid doing exports and module
					//work though if it just needs require.
					//REQUIRES the function to expect the CommonJS variables in the
					//order listed below.
					deps = (callback.length === 1 ? ['require'] : ['require', 'exports', 'module']).concat(deps);
				}
			}

			//If in IE 6-8 and hit an anonymous define() call, do the interactive
			//work.
			if (useInteractive) {
				node = currentlyAddingScript || getInteractiveScript();
				if (node) {
					if (!name) {
						name = node.getAttribute('data-requiremodule');
					}
					context = contexts[node.getAttribute('data-requirecontext')];
				}
			}

			//Always save off evaluating the def call until the script onload handler.
			//This allows multiple modules to be in a file without prematurely
			//tracing dependencies, and allows for anonymous module support,
			//where the module name is not known until the script onload event
			//occurs. If no context, use the global queue, and get it processed
			//in the onscript load callback.
			( context ? context.defQueue : globalDefQueue).push([name, deps, callback]);
		};

		define.amd = {
			jQuery : true
		};

		/**
		 * Executes the text. Normally just uses eval, but can be modified
		 * to use a better, environment-specific call. Only used for transpiling
		 * loader plugins, not for plain JS modules.
		 * @param {String} text the text to execute/evaluate.
		 */
		req.exec = function(text) {
			/*jslint evil: true */
			return eval(text);
		};

		//Set up with config info.
		req(cfg);
	}(this));