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ufo.js
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/* Unobtrusive Flash Objects (UFO) v3.12 <http://www.bobbyvandersluis.com/ufo/>
Copyright 2005, 2006 Bobby van der Sluis
This software is licensed under the CC-GNU LGPL <http://creativecommons.org/licenses/LGPL/2.1/>
*/
var UFO = {
requiredAttrParams: ["movie", "width", "height", "majorversion", "build"],
optionalAttrEmb: ["name", "swliveconnect", "align"],
optionalAttrObj: ["id", "align"],
optionalAttrParams: ["play", "loop", "menu", "quality", "scale", "salign", "wmode", "bgcolor", "base", "flashvars", "devicefont", "allowscriptaccess", "seamlesstabbing"],
ximovie: "ufo.swf",
xiwidth: "215",
xiheight: "138",
is_w3cdom: (typeof document.getElementById != "undefined" && typeof document.getElementsByTagName != "undefined" && (typeof document.createElement != "undefined" || typeof document.createElementNS != "undefined")),
is_ie: (navigator.userAgent.toLowerCase().indexOf("msie") != -1 && navigator.userAgent.toLowerCase().indexOf("opera") == -1),
is_safari: (navigator.userAgent.toLowerCase().indexOf("safari") != -1),
is_win: (navigator.userAgent.toLowerCase().indexOf("win") != -1),
is_mac: (navigator.userAgent.toLowerCase().indexOf("mac") != -1),
is_XML: (typeof document.contentType != "undefined" && document.contentType.indexOf("xml") > -1),
foList: [],
create: function(FO, id) {
if (!UFO.is_w3cdom) return;
UFO.foList[id] = UFO.updateFO(FO);
UFO.createStyleRule("#" + id, "visibility:hidden;");
UFO.domLoad(id);
},
updateFO: function(FO) {
if (typeof FO.xi != "undefined" && FO.xi == "true") {
if (typeof FO.ximovie == "undefined") FO.ximovie = UFO.ximovie;
if (typeof FO.xiwidth == "undefined") FO.xiwidth = UFO.xiwidth;
if (typeof FO.xiheight == "undefined") FO.xiheight = UFO.xiheight;
}
else {
FO.xi = false;
}
FO.domLoaded = false;
return FO;
},
domLoad: function(id) {
var timer = setInterval(function() { // doesn't work in IE/Mac
if((document.getElementsByTagName("body")[0] != null || document.body != null) && document.getElementById(id) != null) {
UFO.main(id);
clearInterval(timer);
}
}, 250);
if (typeof document.addEventListener != "undefined") {
document.addEventListener("DOMContentLoaded", function() { UFO.main(id); clearInterval(timer); } , null); // Mozilla only
}
},
main: function(id) {
var FO = UFO.foList[id];
if (FO.domLoaded) return; // for Mozilla, only execute once
UFO.foList[id].domLoaded = true;
document.getElementById(id).style.visibility = "hidden";
if (UFO.hasRequiredAttrParams(id)) {
if (UFO.hasFlashVersion(FO.majorversion, FO.build)) {
if (typeof FO.setcontainercss != "undefined" && FO.setcontainercss == "true") {
UFO.setContainerCSS(id);
}
UFO.writeFlashObject(id);
}
else if (FO.xi && UFO.hasFlashVersion("6", "65")) {
UFO.createModalDialog(id);
}
}
document.getElementById(id).style.visibility = "visible";
},
createStyleRule: function(selector, declaration) {
if (UFO.is_ie && UFO.is_mac) return; // bugs in IE/Mac
var head = document.getElementsByTagName("head")[0];
var style = UFO.createElement("style");
if (!(UFO.is_ie && UFO.is_win)) {
var styleRule = document.createTextNode(selector + " {" + declaration + "}");
style.appendChild(styleRule); // bugs in IE/Win
}
style.setAttribute("type", "text/css");
style.setAttribute("media", "screen");
head.appendChild(style);
if (UFO.is_safari && UFO.is_XML) { head.innerHTML += ""; } // force Safari repaint for MIME type application/xhtml+xml
if (UFO.is_ie && UFO.is_win && document.styleSheets && document.styleSheets.length > 0) {
var lastStyle = document.styleSheets[document.styleSheets.length - 1];
if (typeof lastStyle.addRule == "object") {
lastStyle.addRule(selector, declaration);
}
}
},
setContainerCSS: function(id) {
var FO = UFO.foList[id];
var wUnit = (FO.width.indexOf("%") == -1) ? "px" : "";
var hUnit = (FO.height.indexOf("%") == -1) ? "px" : "";
UFO.createStyleRule("#" + id, "width:" + FO.width + wUnit +"; height:" + FO.height + hUnit +";");
if (FO.width == "100%") {
UFO.createStyleRule("body", "margin-left:0; margin-right:0; padding-left:0; padding-right:0;");
}
if (FO.height == "100%") {
UFO.createStyleRule("html", "height:100%; overflow:hidden;");
UFO.createStyleRule("body", "margin-top:0; margin-bottom:0; padding-top:0; padding-bottom:0; height:100%;");
}
},
createElement: function(el) {
return (typeof document.createElementNS != "undefined") ? document.createElementNS("http://www.w3.org/1999/xhtml", el) : document.createElement(el);
},
hasRequiredAttrParams: function(id) {
var FO = UFO.foList[id];
for (var i = 0; i < UFO.requiredAttrParams.length; i++) {
if (typeof FO[UFO.requiredAttrParams[i]] == "undefined") return false;
}
return true;
},
hasFlashVersion: function(majorVersion, buildVersion) {
var reqVersion = parseFloat(majorVersion + "." + buildVersion);
if (navigator.plugins && typeof navigator.plugins["Shockwave Flash"] == "object") {
var desc = navigator.plugins["Shockwave Flash"].description;
if (desc) {
var versionStr = desc.replace(/^.*\s+(\S+\s+\S+$)/, "$1");
var major = parseInt(versionStr.replace(/^(.*)\..*$/, "$1"));
var build = (versionStr.indexOf("r") == -1) ? 0 : parseInt(versionStr.replace(/^.*r(.*)$/, "$1"));
var flashVersion = parseFloat(major + "." + build);
}
}
else if (window.ActiveXObject) {
try {
var flashObj = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
var desc = flashObj.GetVariable("$version");
if (desc) {
var versionArr = desc.replace(/^\S+\s+(.*)$/, "$1").split(",");
var major = parseInt(versionArr[0]);
var build = parseInt(versionArr[2]);
var flashVersion = parseFloat(major + "." + build);
}
}
catch(e) {}
}
if (typeof flashVersion != "undefined"){
return (flashVersion >= reqVersion ? true : false);
}
return false;
},
writeFlashObject: function(id) {
var el = document.getElementById(id);
if (typeof el.innerHTML == "undefined") return;
var FO = UFO.foList[id];
if (navigator.plugins && typeof navigator.plugins["Shockwave Flash"] == "object") {
try { // older versions of Gecko only support innerHTML get and not set
el.innerHTML = "ufo-test";
}
catch (e) {}
if (el.innerHTML != "ufo-test") {
while(el.hasChildNodes()) {
el.removeChild(el.firstChild);
}
var embed = UFO.createElement("embed");
embed.setAttribute("type", "application/x-shockwave-flash");
embed.setAttribute("pluginspage", "http://www.macromedia.com/go/getflashplayer");
embed.setAttribute("src", FO.movie);
embed.setAttribute("width", FO.width);
embed.setAttribute("height", FO.height);
for (var i = 0; i < UFO.optionalAttrEmb.length; i++) {
if (typeof FO[UFO.optionalAttrEmb[i]] != "undefined") {
embed.setAttribute(UFO.optionalAttrEmb[i], FO[UFO.optionalAttrEmb[i]]);
}
}
for (var i = 0; i < UFO.optionalAttrParams.length; i++) {
if (typeof FO[UFO.optionalAttrParams[i]] != "undefined") {
embed.setAttribute(UFO.optionalAttrParams[i], FO[UFO.optionalAttrParams[i]]);
}
}
el.appendChild(embed);
}
else {
var embHTML = "";
for (var i = 0; i < UFO.optionalAttrEmb.length; i++) {
if (typeof FO[UFO.optionalAttrEmb[i]] != "undefined") {
embHTML += ' ' + UFO.optionalAttrEmb[i] + '="' + FO[UFO.optionalAttrEmb[i]] + '"';
}
}
for (var i = 0; i < UFO.optionalAttrParams.length; i++) {
if (typeof FO[UFO.optionalAttrParams[i]] != "undefined") {
embHTML += ' ' + UFO.optionalAttrParams[i] + '="' + FO[UFO.optionalAttrParams[i]] + '"';
}
}
el.innerHTML = '<embed type="application/x-shockwave-flash" src="' + FO.movie + '" width="' + FO.width + '" height="' + FO.height + '" pluginspage="http://www.macromedia.com/go/getflashplayer"' + embHTML + '></embed>';
}
}
else {
var objAttrHTML = "";
for (var i = 0; i < UFO.optionalAttrObj.length; i++) {
if (typeof FO[UFO.optionalAttrObj[i]] != "undefined") {
objAttrHTML += ' ' + UFO.optionalAttrObj[i] + '="' + FO[UFO.optionalAttrObj[i]] + '"';
}
}
var objParamHTML = "";
for (var i = 0; i < UFO.optionalAttrParams.length; i++) {
if (typeof FO[UFO.optionalAttrParams[i]] != "undefined") {
objParamHTML += '<param name="' + UFO.optionalAttrParams[i] + '" value="' + FO[UFO.optionalAttrParams[i]] + '" />';
}
}
var protocol = (window.location.protocol == "https:" ? "https:" : "http:");
el.innerHTML = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"' + objAttrHTML + ' width="' + FO.width + '" height="' + FO.height + '" codebase="' + protocol + '//download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=' + FO.majorversion + ',0,' + FO.build + ',0"><param name="movie" value="' + FO.movie + '" />' + objParamHTML + '</object>';
}
},
cleanupIELeaks: function() {
var objects = document.getElementsByTagName("OBJECT");
for (var i = 0; i < objects.length; i++) {
for (var x in objects[i]) {
if (typeof objects[i][x] == "function") {
objects[i][x] = null;
}
}
}
},
createModalDialog: function(id) {
var FO = UFO.foList[id];
UFO.createStyleRule("html", "height:100%; overflow:hidden;");
UFO.createStyleRule("body", "height:100%; overflow:hidden;");
UFO.createStyleRule("#xi-con", "position:absolute; left:0; top:0; z-index:1000; width:100%; height:100%; background-color:#333; filter:alpha(opacity:50); -khtml-opacity:0.5; -moz-opacity:0.5; opacity:0.5;");
UFO.createStyleRule("#xi-mod", "position:absolute; left:50%; top:50%; margin-left: -" + (parseInt(FO.xiwidth)/2) + "px; margin-top: -" + (parseInt(FO.xiheight)/2) + "px; width:" + FO.xiwidth + "px; height:" + FO.xiheight + "px;");
var body = document.getElementsByTagName("body")[0];
var container = UFO.createElement("div");
container.setAttribute("id", "xi-con");
var dialog = UFO.createElement("div");
dialog.setAttribute("id", "xi-mod");
container.appendChild(dialog);
body.appendChild(container);
var MMredirectURL = window.location;
document.title = document.title.slice(0, 47) + " - Flash Player Installation";
var MMdoctitle = document.title;
var MMplayerType = (UFO.is_ie && UFO.is_win) ? "ActiveX" : "PlugIn";
var xiUrlCancel = (typeof FO.xiurlcancel != "undefined") ? "&xiUrlCancel=" + FO.xiurlcancel : "";
var xiUrlFailed = (typeof FO.xiurlfailed != "undefined") ? "&xiUrlFailed=" + FO.xiurlfailed : "";
UFO.foList["xi-mod"] = { movie:FO.ximovie, width:FO.xiwidth, height:FO.xiheight, majorversion:"6", build:"65", flashvars:"MMredirectURL=" + MMredirectURL + "&MMplayerType=" + MMplayerType + "&MMdoctitle=" + MMdoctitle + xiUrlCancel + xiUrlFailed };
UFO.writeFlashObject("xi-mod");
},
expressInstallCallback: function() {
var body = document.getElementsByTagName("body")[0];
var dialog = document.getElementById("xi-con");
body.removeChild(dialog);
UFO.createStyleRule("body", "height:auto; overflow:auto;");
UFO.createStyleRule("html", "height:auto; overflow:auto;");
}
};
if (typeof window.attachEvent != "undefined" && UFO.is_ie && UFO.is_win) {
window.attachEvent("onunload", UFO.cleanupIELeaks);
}