interpretor/preprocessor/faust-0.9.47mr3/tools/faust2flash_v0.1/Step_2_FlashBuilder_project/html-template/swfobject.js

   1 /*! SWFObject v2.1 <http://code.google.com/p/swfobject/>
   2         Copyright (c) 2007-2008 Geoff Stearns, Michael Williams, and Bobby van der Sluis
   3         This software is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
   4 */
   5
   6 var swfobject = function() {
   7
   8         var UNDEF = "undefined",
   9                 OBJECT = "object",
  10                 SHOCKWAVE_FLASH = "Shockwave Flash",
  11                 SHOCKWAVE_FLASH_AX = "ShockwaveFlash.ShockwaveFlash",
  12                 FLASH_MIME_TYPE = "application/x-shockwave-flash",
  13                 EXPRESS_INSTALL_ID = "SWFObjectExprInst",
  14
  15                 win = window,
  16                 doc = document,
  17                 nav = navigator,
  18
  19                 domLoadFnArr = [],
  20                 regObjArr = [],
  21                 objIdArr = [],
  22                 listenersArr = [],
  23                 script,
  24                 timer = null,
  25                 storedAltContent = null,
  26                 storedAltContentId = null,
  27                 isDomLoaded = false,
  28                 isExpressInstallActive = false;
  29
  30         /* Centralized function for browser feature detection
  31                 - Proprietary feature detection (conditional compiling) is used to detect Internet Explorer's features
  32                 - User agent string detection is only used when no alternative is possible
  33                 - Is executed directly for optimal performance
  34         */
  35         var ua = function() {
  36                 var w3cdom = typeof doc.getElementById != UNDEF && typeof doc.getElementsByTagName != UNDEF && typeof doc.createElement != UNDEF,
  37                         playerVersion = [0,0,0],
  38                         d = null;
  39                 if (typeof nav.plugins != UNDEF && typeof nav.plugins[SHOCKWAVE_FLASH] == OBJECT) {
  40                         d = nav.plugins[SHOCKWAVE_FLASH].description;
  41                         if (d && !(typeof nav.mimeTypes != UNDEF && nav.mimeTypes[FLASH_MIME_TYPE] && !nav.mimeTypes[FLASH_MIME_TYPE].enabledPlugin)) { // navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin indicates whether plug-ins are enabled or disabled in Safari 3+
  42                                 d = d.replace(/^.*\s+(\S+\s+\S+$)/, "$1");
  43                                 playerVersion[0] = parseInt(d.replace(/^(.*)\..*$/, "$1"), 10);
  44                                 playerVersion[1] = parseInt(d.replace(/^.*\.(.*)\s.*$/, "$1"), 10);
  45                                 playerVersion[2] = /r/.test(d) ? parseInt(d.replace(/^.*r(.*)$/, "$1"), 10) : 0;
  46                         }
  47                 }
  48                 else if (typeof win.ActiveXObject != UNDEF) {
  49                         var a = null, fp6Crash = false;
  50                         try {
  51                                 a = new ActiveXObject(SHOCKWAVE_FLASH_AX + ".7");
  52                         }
  53                         catch(e) {
  54                                 try {
  55                                         a = new ActiveXObject(SHOCKWAVE_FLASH_AX + ".6");
  56                                         playerVersion = [6,0,21];
  57                                         a.AllowScriptAccess = "always";  // Introduced in fp6.0.47
  58                                 }
  59                                 catch(e) {
  60                                         if (playerVersion[0] == 6) {
  61                                                 fp6Crash = true;
  62                                         }
  63                                 }
  64                                 if (!fp6Crash) {
  65                                         try {
  66                                                 a = new ActiveXObject(SHOCKWAVE_FLASH_AX);
  67                                         }
  68                                         catch(e) {}
  69                                 }
  70                         }
  71                         if (!fp6Crash && a) { // a will return null when ActiveX is disabled
  72                                 try {
  73                                         d = a.GetVariable("$version");  // Will crash fp6.0.21/23/29
  74                                         if (d) {
  75                                                 d = d.split(" ")[1].split(",");
  76                                                 playerVersion = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
  77                                         }
  78                                 }
  79                                 catch(e) {}
  80                         }
  81                 }
  82                 var u = nav.userAgent.toLowerCase(),
  83                         p = nav.platform.toLowerCase(),
  84                         webkit = /webkit/.test(u) ? parseFloat(u.replace(/^.*webkit\/(\d+(\.\d+)?).*$/, "$1")) : false, // returns either the webkit version or false if not webkit
  85                         ie = false,
  86                         windows = p ? /win/.test(p) : /win/.test(u),
  87                         mac = p ? /mac/.test(p) : /mac/.test(u);
  88                 /*@cc_on
  89                         ie = true;
  90                         @if (@_win32)
  91                                 windows = true;
  92                         @elif (@_mac)
  93                                 mac = true;
  94                         @end
  95                 @*/
  96                 return { w3cdom:w3cdom, pv:playerVersion, webkit:webkit, ie:ie, win:windows, mac:mac };
  97         }();
  98
  99         /* Cross-browser onDomLoad
 100                 - Based on Dean Edwards' solution: http://dean.edwards.name/weblog/2006/06/again/
 101                 - Will fire an event as soon as the DOM of a page is loaded (supported by Gecko based browsers - like Firefox -, IE, Opera9+, Safari)
 102         */
 103         var onDomLoad = function() {
 104                 if (!ua.w3cdom) {
 105                         return;
 106                 }
 107                 addDomLoadEvent(main);
 108                 if (ua.ie && ua.win) {
 109                         try {    // Avoid a possible Operation Aborted error
 110                                 doc.write("<scr" + "ipt id=__ie_ondomload defer=true src=//:></scr" + "ipt>"); // String is split into pieces to avoid Norton AV to add code that can cause errors
 111                                 script = getElementById("__ie_ondomload");
 112                                 if (script) {
 113                                         addListener(script, "onreadystatechange", checkReadyState);
 114                                 }
 115                         }
 116                         catch(e) {}
 117                 }
 118                 if (ua.webkit && typeof doc.readyState != UNDEF) {
 119                         timer = setInterval(function() { if (/loaded|complete/.test(doc.readyState)) { callDomLoadFunctions(); }}, 10);
 120                 }
 121                 if (typeof doc.addEventListener != UNDEF) {
 122                         doc.addEventListener("DOMContentLoaded", callDomLoadFunctions, null);
 123                 }
 124                 addLoadEvent(callDomLoadFunctions);
 125         }();
 126
 127         function checkReadyState() {
 128                 if (script.readyState == "complete") {
 129                         script.parentNode.removeChild(script);
 130                         callDomLoadFunctions();
 131                 }
 132         }
 133
 134         function callDomLoadFunctions() {
 135                 if (isDomLoaded) {
 136                         return;
 137                 }
 138                 if (ua.ie && ua.win) { // Test if we can really add elements to the DOM; we don't want to fire it too early
 139                         var s = createElement("span");
 140                         try { // Avoid a possible Operation Aborted error
 141                                 var t = doc.getElementsByTagName("body")[0].appendChild(s);
 142                                 t.parentNode.removeChild(t);
 143                         }
 144                         catch (e) {
 145                                 return;
 146                         }
 147                 }
 148                 isDomLoaded = true;
 149                 if (timer) {
 150                         clearInterval(timer);
 151                         timer = null;
 152                 }
 153                 var dl = domLoadFnArr.length;
 154                 for (var i = 0; i < dl; i++) {
 155                         domLoadFnArr[i]();
 156                 }
 157         }
 158
 159         function addDomLoadEvent(fn) {
 160                 if (isDomLoaded) {
 161                         fn();
 162                 }
 163                 else {
 164                         domLoadFnArr[domLoadFnArr.length] = fn; // Array.push() is only available in IE5.5+
 165                 }
 166         }
 167
 168         /* Cross-browser onload
 169                 - Based on James Edwards' solution: http://brothercake.com/site/resources/scripts/onload/
 170                 - Will fire an event as soon as a web page including all of its assets are loaded
 171          */
 172         function addLoadEvent(fn) {
 173                 if (typeof win.addEventListener != UNDEF) {
 174                         win.addEventListener("load", fn, false);
 175                 }
 176                 else if (typeof doc.addEventListener != UNDEF) {
 177                         doc.addEventListener("load", fn, false);
 178                 }
 179                 else if (typeof win.attachEvent != UNDEF) {
 180                         addListener(win, "onload", fn);
 181                 }
 182                 else if (typeof win.onload == "function") {
 183                         var fnOld = win.onload;
 184                         win.onload = function() {
 185                                 fnOld();
 186                                 fn();
 187                         };
 188                 }
 189                 else {
 190                         win.onload = fn;
 191                 }
 192         }
 193
 194         /* Main function
 195                 - Will preferably execute onDomLoad, otherwise onload (as a fallback)
 196         */
 197         function main() { // Static publishing only
 198                 var rl = regObjArr.length;
 199                 for (var i = 0; i < rl; i++) { // For each registered object element
 200                         var id = regObjArr[i].id;
 201                         if (ua.pv[0] > 0) {
 202                                 var obj = getElementById(id);
 203                                 if (obj) {
 204                                         regObjArr[i].width = obj.getAttribute("width") ? obj.getAttribute("width") : "0";
 205                                         regObjArr[i].height = obj.getAttribute("height") ? obj.getAttribute("height") : "0";
 206                                         if (hasPlayerVersion(regObjArr[i].swfVersion)) { // Flash plug-in version >= Flash content version: Houston, we have a match!
 207                                                 if (ua.webkit && ua.webkit < 312) { // Older webkit engines ignore the object element's nested param elements
 208                                                         fixParams(obj);
 209                                                 }
 210                                                 setVisibility(id, true);
 211                                         }
 212                                         else if (regObjArr[i].expressInstall && !isExpressInstallActive && hasPlayerVersion("6.0.65") && (ua.win || ua.mac)) { // Show the Adobe Express Install dialog if set by the web page author and if supported (fp6.0.65+ on Win/Mac OS only)
 213                                                 showExpressInstall(regObjArr[i]);
 214                                         }
 215                                         else { // Flash plug-in and Flash content version mismatch: display alternative content instead of Flash content
 216                                                 displayAltContent(obj);
 217                                         }
 218                                 }
 219                         }
 220                         else {  // If no fp is installed, we let the object element do its job (show alternative content)
 221                                 setVisibility(id, true);
 222                         }
 223                 }
 224         }
 225
 226         /* Fix nested param elements, which are ignored by older webkit engines
 227                 - This includes Safari up to and including version 1.2.2 on Mac OS 10.3
 228                 - Fall back to the proprietary embed element
 229         */
 230         function fixParams(obj) {
 231                 var nestedObj = obj.getElementsByTagName(OBJECT)[0];
 232                 if (nestedObj) {
 233                         var e = createElement("embed"), a = nestedObj.attributes;
 234                         if (a) {
 235                                 var al = a.length;
 236                                 for (var i = 0; i < al; i++) {
 237                                         if (a[i].nodeName == "DATA") {
 238                                                 e.setAttribute("src", a[i].nodeValue);
 239                                         }
 240                                         else {
 241                                                 e.setAttribute(a[i].nodeName, a[i].nodeValue);
 242                                         }
 243                                 }
 244                         }
 245                         var c = nestedObj.childNodes;
 246                         if (c) {
 247                                 var cl = c.length;
 248                                 for (var j = 0; j < cl; j++) {
 249                                         if (c[j].nodeType == 1 && c[j].nodeName == "PARAM") {
 250                                                 e.setAttribute(c[j].getAttribute("name"), c[j].getAttribute("value"));
 251                                         }
 252                                 }
 253                         }
 254                         obj.parentNode.replaceChild(e, obj);
 255                 }
 256         }
 257
 258         /* Show the Adobe Express Install dialog
 259                 - Reference: http://www.adobe.com/cfusion/knowledgebase/index.cfm?id=6a253b75
 260         */
 261         function showExpressInstall(regObj) {
 262                 isExpressInstallActive = true;
 263                 var obj = getElementById(regObj.id);
 264                 if (obj) {
 265                         if (regObj.altContentId) {
 266                                 var ac = getElementById(regObj.altContentId);
 267                                 if (ac) {
 268                                         storedAltContent = ac;
 269                                         storedAltContentId = regObj.altContentId;
 270                                 }
 271                         }
 272                         else {
 273                                 storedAltContent = abstractAltContent(obj);
 274                         }
 275                         if (!(/%$/.test(regObj.width)) && parseInt(regObj.width, 10) < 310) {
 276                                 regObj.width = "310";
 277                         }
 278                         if (!(/%$/.test(regObj.height)) && parseInt(regObj.height, 10) < 137) {
 279                                 regObj.height = "137";
 280                         }
 281                         doc.title = doc.title.slice(0, 47) + " - Flash Player Installation";
 282                         var pt = ua.ie && ua.win ? "ActiveX" : "PlugIn",
 283                                 dt = doc.title,
 284                                 fv = "MMredirectURL=" + win.location + "&MMplayerType=" + pt + "&MMdoctitle=" + dt,
 285                                 replaceId = regObj.id;
 286                         // For IE when a SWF is loading (AND: not available in cache) wait for the onload event to fire to remove the original object element
 287                         // In IE you cannot properly cancel a loading SWF file without breaking browser load references, also obj.onreadystatechange doesn't work
 288                         if (ua.ie && ua.win && obj.readyState != 4) {
 289                                 var newObj = createElement("div");
 290                                 replaceId += "SWFObjectNew";
 291                                 newObj.setAttribute("id", replaceId);
 292                                 obj.parentNode.insertBefore(newObj, obj); // Insert placeholder div that will be replaced by the object element that loads expressinstall.swf
 293                                 obj.style.display = "none";
 294                                 var fn = function() {
 295                                         obj.parentNode.removeChild(obj);
 296                                 };
 297                                 addListener(win, "onload", fn);
 298                         }
 299                         createSWF({ data:regObj.expressInstall, id:EXPRESS_INSTALL_ID, width:regObj.width, height:regObj.height }, { flashvars:fv }, replaceId);
 300                 }
 301         }
 302
 303         /* Functions to abstract and display alternative content
 304         */
 305         function displayAltContent(obj) {
 306                 if (ua.ie && ua.win && obj.readyState != 4) {
 307                         // For IE when a SWF is loading (AND: not available in cache) wait for the onload event to fire to remove the original object element
 308                         // In IE you cannot properly cancel a loading SWF file without breaking browser load references, also obj.onreadystatechange doesn't work
 309                         var el = createElement("div");
 310                         obj.parentNode.insertBefore(el, obj); // Insert placeholder div that will be replaced by the alternative content
 311                         el.parentNode.replaceChild(abstractAltContent(obj), el);
 312                         obj.style.display = "none";
 313                         var fn = function() {
 314                                 obj.parentNode.removeChild(obj);
 315                         };
 316                         addListener(win, "onload", fn);
 317                 }
 318                 else {
 319                         obj.parentNode.replaceChild(abstractAltContent(obj), obj);
 320                 }
 321         }
 322
 323         function abstractAltContent(obj) {
 324                 var ac = createElement("div");
 325                 if (ua.win && ua.ie) {
 326                         ac.innerHTML = obj.innerHTML;
 327                 }
 328                 else {
 329                         var nestedObj = obj.getElementsByTagName(OBJECT)[0];
 330                         if (nestedObj) {
 331                                 var c = nestedObj.childNodes;
 332                                 if (c) {
 333                                         var cl = c.length;
 334                                         for (var i = 0; i < cl; i++) {
 335                                                 if (!(c[i].nodeType == 1 && c[i].nodeName == "PARAM") && !(c[i].nodeType == 8)) {
 336                                                         ac.appendChild(c[i].cloneNode(true));
 337                                                 }
 338                                         }
 339                                 }
 340                         }
 341                 }
 342                 return ac;
 343         }
 344
 345         /* Cross-browser dynamic SWF creation
 346         */
 347         function createSWF(attObj, parObj, id) {
 348                 var r, el = getElementById(id);
 349                 if (el) {
 350                         if (typeof attObj.id == UNDEF) { // if no 'id' is defined for the object element, it will inherit the 'id' from the alternative content
 351                                 attObj.id = id;
 352                         }
 353                         if (ua.ie && ua.win) { // IE, the object element and W3C DOM methods do not combine: fall back to outerHTML
 354                                 var att = "";
 355                                 for (var i in attObj) {
 356                                         if (attObj[i] != Object.prototype[i]) { // Filter out prototype additions from other potential libraries, like Object.prototype.toJSONString = function() {}
 357                                                 if (i.toLowerCase() == "data") {
 358                                                         parObj.movie = attObj[i];
 359                                                 }
 360                                                 else if (i.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
 361                                                         att += ' class="' + attObj[i] + '"';
 362                                                 }
 363                                                 else if (i.toLowerCase() != "classid") {
 364                                                         att += ' ' + i + '="' + attObj[i] + '"';
 365                                                 }
 366                                         }
 367                                 }
 368                                 var par = "";
 369                                 for (var j in parObj) {
 370                                         if (parObj[j] != Object.prototype[j]) { // Filter out prototype additions from other potential libraries
 371                                                 par += '<param name="' + j + '" value="' + parObj[j] + '" />';
 372                                         }
 373                                 }
 374                                 el.outerHTML = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"' + att + '>' + par + '</object>';
 375                                 objIdArr[objIdArr.length] = attObj.id; // Stored to fix object 'leaks' on unload (dynamic publishing only)
 376                                 r = getElementById(attObj.id);
 377                         }
 378                         else if (ua.webkit && ua.webkit < 312) { // Older webkit engines ignore the object element's nested param elements: fall back to the proprietary embed element
 379                                 var e = createElement("embed");
 380                                 e.setAttribute("type", FLASH_MIME_TYPE);
 381                                 for (var k in attObj) {
 382                                         if (attObj[k] != Object.prototype[k]) { // Filter out prototype additions from other potential libraries
 383                                                 if (k.toLowerCase() == "data") {
 384                                                         e.setAttribute("src", attObj[k]);
 385                                                 }
 386                                                 else if (k.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
 387                                                         e.setAttribute("class", attObj[k]);
 388                                                 }
 389                                                 else if (k.toLowerCase() != "classid") { // Filter out IE specific attribute
 390                                                         e.setAttribute(k, attObj[k]);
 391                                                 }
 392                                         }
 393                                 }
 394                                 for (var l in parObj) {
 395                                         if (parObj[l] != Object.prototype[l]) { // Filter out prototype additions from other potential libraries
 396                                                 if (l.toLowerCase() != "movie") { // Filter out IE specific param element
 397                                                         e.setAttribute(l, parObj[l]);
 398                                                 }
 399                                         }
 400                                 }
 401                                 el.parentNode.replaceChild(e, el);
 402                                 r = e;
 403                         }
 404                         else { // Well-behaving browsers
 405                                 var o = createElement(OBJECT);
 406                                 o.setAttribute("type", FLASH_MIME_TYPE);
 407                                 for (var m in attObj) {
 408                                         if (attObj[m] != Object.prototype[m]) { // Filter out prototype additions from other potential libraries
 409                                                 if (m.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
 410                                                         o.setAttribute("class", attObj[m]);
 411                                                 }
 412                                                 else if (m.toLowerCase() != "classid") { // Filter out IE specific attribute
 413                                                         o.setAttribute(m, attObj[m]);
 414                                                 }
 415                                         }
 416                                 }
 417                                 for (var n in parObj) {
 418                                         if (parObj[n] != Object.prototype[n] && n.toLowerCase() != "movie") { // Filter out prototype additions from other potential libraries and IE specific param element
 419                                                 createObjParam(o, n, parObj[n]);
 420                                         }
 421                                 }
 422                                 el.parentNode.replaceChild(o, el);
 423                                 r = o;
 424                         }
 425                 }
 426                 return r;
 427         }
 428
 429         function createObjParam(el, pName, pValue) {
 430                 var p = createElement("param");
 431                 p.setAttribute("name", pName);
 432                 p.setAttribute("value", pValue);
 433                 el.appendChild(p);
 434         }
 435
 436         /* Cross-browser SWF removal
 437                 - Especially needed to safely and completely remove a SWF in Internet Explorer
 438         */
 439         function removeSWF(id) {
 440                 var obj = getElementById(id);
 441                 if (obj && (obj.nodeName == "OBJECT" || obj.nodeName == "EMBED")) {
 442                         if (ua.ie && ua.win) {
 443                                 if (obj.readyState == 4) {
 444                                         removeObjectInIE(id);
 445                                 }
 446                                 else {
 447                                         win.attachEvent("onload", function() {
 448                                                 removeObjectInIE(id);
 449                                         });
 450                                 }
 451                         }
 452                         else {
 453                                 obj.parentNode.removeChild(obj);
 454                         }
 455                 }
 456         }
 457
 458         function removeObjectInIE(id) {
 459                 var obj = getElementById(id);
 460                 if (obj) {
 461                         for (var i in obj) {
 462                                 if (typeof obj[i] == "function") {
 463                                         obj[i] = null;
 464                                 }
 465                         }
 466                         obj.parentNode.removeChild(obj);
 467                 }
 468         }
 469
 470         /* Functions to optimize JavaScript compression
 471         */
 472         function getElementById(id) {
 473                 var el = null;
 474                 try {
 475                         el = doc.getElementById(id);
 476                 }
 477                 catch (e) {}
 478                 return el;
 479         }
 480
 481         function createElement(el) {
 482                 return doc.createElement(el);
 483         }
 484
 485         /* Updated attachEvent function for Internet Explorer
 486                 - Stores attachEvent information in an Array, so on unload the detachEvent functions can be called to avoid memory leaks
 487         */
 488         function addListener(target, eventType, fn) {
 489                 target.attachEvent(eventType, fn);
 490                 listenersArr[listenersArr.length] = [target, eventType, fn];
 491         }
 492
 493         /* Flash Player and SWF content version matching
 494         */
 495         function hasPlayerVersion(rv) {
 496                 var pv = ua.pv, v = rv.split(".");
 497                 v[0] = parseInt(v[0], 10);
 498                 v[1] = parseInt(v[1], 10) || 0; // supports short notation, e.g. "9" instead of "9.0.0"
 499                 v[2] = parseInt(v[2], 10) || 0;
 500                 return (pv[0] > v[0] || (pv[0] == v[0] && pv[1] > v[1]) || (pv[0] == v[0] && pv[1] == v[1] && pv[2] >= v[2])) ? true : false;
 501         }
 502
 503         /* Cross-browser dynamic CSS creation
 504                 - Based on Bobby van der Sluis' solution: http://www.bobbyvandersluis.com/articles/dynamicCSS.php
 505         */
 506         function createCSS(sel, decl) {
 507                 if (ua.ie && ua.mac) {
 508                         return;
 509                 }
 510                 var h = doc.getElementsByTagName("head")[0], s = createElement("style");
 511                 s.setAttribute("type", "text/css");
 512                 s.setAttribute("media", "screen");
 513                 if (!(ua.ie && ua.win) && typeof doc.createTextNode != UNDEF) {
 514                         s.appendChild(doc.createTextNode(sel + " {" + decl + "}"));
 515                 }
 516                 h.appendChild(s);
 517                 if (ua.ie && ua.win && typeof doc.styleSheets != UNDEF && doc.styleSheets.length > 0) {
 518                         var ls = doc.styleSheets[doc.styleSheets.length - 1];
 519                         if (typeof ls.addRule == OBJECT) {
 520                                 ls.addRule(sel, decl);
 521                         }
 522                 }
 523         }
 524
 525         function setVisibility(id, isVisible) {
 526                 var v = isVisible ? "visible" : "hidden";
 527                 if (isDomLoaded && getElementById(id)) {
 528                         getElementById(id).style.visibility = v;
 529                 }
 530                 else {
 531                         createCSS("#" + id, "visibility:" + v);
 532                 }
 533         }
 534
 535         /* Filter to avoid XSS attacks
 536         */
 537         function urlEncodeIfNecessary(s) {
 538                 var regex = /[\\\"<>\.;]/;
 539                 var hasBadChars = regex.exec(s) != null;
 540                 return hasBadChars ? encodeURIComponent(s) : s;
 541         }
 542
 543         /* Release memory to avoid memory leaks caused by closures, fix hanging audio/video threads and force open sockets/NetConnections to disconnect (Internet Explorer only)
 544         */
 545         var cleanup = function() {
 546                 if (ua.ie && ua.win) {
 547                         window.attachEvent("onunload", function() {
 548                                 // remove listeners to avoid memory leaks
 549                                 var ll = listenersArr.length;
 550                                 for (var i = 0; i < ll; i++) {
 551                                         listenersArr[i][0].detachEvent(listenersArr[i][1], listenersArr[i][2]);
 552                                 }
 553                                 // cleanup dynamically embedded objects to fix audio/video threads and force open sockets and NetConnections to disconnect
 554                                 var il = objIdArr.length;
 555                                 for (var j = 0; j < il; j++) {
 556                                         removeSWF(objIdArr[j]);
 557                                 }
 558                                 // cleanup library's main closures to avoid memory leaks
 559                                 for (var k in ua) {
 560                                         ua[k] = null;
 561                                 }
 562                                 ua = null;
 563                                 for (var l in swfobject) {
 564                                         swfobject[l] = null;
 565                                 }
 566                                 swfobject = null;
 567                         });
 568                 }
 569         }();
 570
 571
 572         return {
 573                 /* Public API
 574                         - Reference: http://code.google.com/p/swfobject/wiki/SWFObject_2_0_documentation
 575                 */
 576                 registerObject: function(objectIdStr, swfVersionStr, xiSwfUrlStr) {
 577                         if (!ua.w3cdom || !objectIdStr || !swfVersionStr) {
 578                                 return;
 579                         }
 580                         var regObj = {};
 581                         regObj.id = objectIdStr;
 582                         regObj.swfVersion = swfVersionStr;
 583                         regObj.expressInstall = xiSwfUrlStr ? xiSwfUrlStr : false;
 584                         regObjArr[regObjArr.length] = regObj;
 585                         setVisibility(objectIdStr, false);
 586                 },
 587
 588                 getObjectById: function(objectIdStr) {
 589                         var r = null;
 590                         if (ua.w3cdom) {
 591                                 var o = getElementById(objectIdStr);
 592                                 if (o) {
 593                                         var n = o.getElementsByTagName(OBJECT)[0];
 594                                         if (!n || (n && typeof o.SetVariable != UNDEF)) {
 595                                                         r = o;
 596                                         }
 597                                         else if (typeof n.SetVariable != UNDEF) {
 598                                                 r = n;
 599                                         }
 600                                 }
 601                         }
 602                         return r;
 603                 },
 604
 605                 embedSWF: function(swfUrlStr, replaceElemIdStr, widthStr, heightStr, swfVersionStr, xiSwfUrlStr, flashvarsObj, parObj, attObj) {
 606                         if (!ua.w3cdom || !swfUrlStr || !replaceElemIdStr || !widthStr || !heightStr || !swfVersionStr) {
 607                                 return;
 608                         }
 609                         widthStr += ""; // Auto-convert to string
 610                         heightStr += "";
 611                         if (hasPlayerVersion(swfVersionStr)) {
 612                                 setVisibility(replaceElemIdStr, false);
 613                                 var att = {};
 614                                 if (attObj && typeof attObj === OBJECT) {
 615                                         for (var i in attObj) {
 616                                                 if (attObj[i] != Object.prototype[i]) { // Filter out prototype additions from other potential libraries
 617                                                         att[i] = attObj[i];
 618                                                 }
 619                                         }
 620                                 }
 621                                 att.data = swfUrlStr;
 622                                 att.width = widthStr;
 623                                 att.height = heightStr;
 624                                 var par = {};
 625                                 if (parObj && typeof parObj === OBJECT) {
 626                                         for (var j in parObj) {
 627                                                 if (parObj[j] != Object.prototype[j]) { // Filter out prototype additions from other potential libraries
 628                                                         par[j] = parObj[j];
 629                                                 }
 630                                         }
 631                                 }
 632                                 if (flashvarsObj && typeof flashvarsObj === OBJECT) {
 633                                         for (var k in flashvarsObj) {
 634                                                 if (flashvarsObj[k] != Object.prototype[k]) { // Filter out prototype additions from other potential libraries
 635                                                         if (typeof par.flashvars != UNDEF) {
 636                                                                 par.flashvars += "&" + k + "=" + flashvarsObj[k];
 637                                                         }
 638                                                         else {
 639                                                                 par.flashvars = k + "=" + flashvarsObj[k];
 640                                                         }
 641                                                 }
 642                                         }
 643                                 }
 644                                 addDomLoadEvent(function() {
 645                                         createSWF(att, par, replaceElemIdStr);
 646                                         if (att.id == replaceElemIdStr) {
 647                                                 setVisibility(replaceElemIdStr, true);
 648                                         }
 649                                 });
 650                         }
 651                         else if (xiSwfUrlStr && !isExpressInstallActive && hasPlayerVersion("6.0.65") && (ua.win || ua.mac)) {
 652                                 isExpressInstallActive = true; // deferred execution
 653                                 setVisibility(replaceElemIdStr, false);
 654                                 addDomLoadEvent(function() {
 655                                         var regObj = {};
 656                                         regObj.id = regObj.altContentId = replaceElemIdStr;
 657                                         regObj.width = widthStr;
 658                                         regObj.height = heightStr;
 659                                         regObj.expressInstall = xiSwfUrlStr;
 660                                         showExpressInstall(regObj);
 661                                 });
 662                         }
 663                 },
 664
 665                 getFlashPlayerVersion: function() {
 666                         return { major:ua.pv[0], minor:ua.pv[1], release:ua.pv[2] };
 667                 },
 668
 669                 hasFlashPlayerVersion: hasPlayerVersion,
 670
 671                 createSWF: function(attObj, parObj, replaceElemIdStr) {
 672                         if (ua.w3cdom) {
 673                                 return createSWF(attObj, parObj, replaceElemIdStr);
 674                         }
 675                         else {
 676                                 return undefined;
 677                         }
 678                 },
 679
 680                 removeSWF: function(objElemIdStr) {
 681                         if (ua.w3cdom) {
 682                                 removeSWF(objElemIdStr);
 683                         }
 684                 },
 685
 686                 createCSS: function(sel, decl) {
 687                         if (ua.w3cdom) {
 688                                 createCSS(sel, decl);
 689                         }
 690                 },
 691
 692                 addDomLoadEvent: addDomLoadEvent,
 693
 694                 addLoadEvent: addLoadEvent,
 695
 696                 getQueryParamValue: function(param) {
 697                         var q = doc.location.search || doc.location.hash;
 698                         if (param == null) {
 699                                 return urlEncodeIfNecessary(q);
 700                         }
 701                         if (q) {
 702                                 var pairs = q.substring(1).split("&");
 703                                 for (var i = 0; i < pairs.length; i++) {
 704                                         if (pairs[i].substring(0, pairs[i].indexOf("=")) == param) {
 705                                                 return urlEncodeIfNecessary(pairs[i].substring((pairs[i].indexOf("=") + 1)));
 706                                         }
 707                                 }
 708                         }
 709                         return "";
 710                 },
 711
 712                 // For internal usage only
 713                 expressInstallCallback: function() {
 714                         if (isExpressInstallActive && storedAltContent) {
 715                                 var obj = getElementById(EXPRESS_INSTALL_ID);
 716                                 if (obj) {
 717                                         obj.parentNode.replaceChild(storedAltContent, obj);
 718                                         if (storedAltContentId) {
 719                                                 setVisibility(storedAltContentId, true);
 720                                                 if (ua.ie && ua.win) {
 721                                                         storedAltContent.style.display = "block";
 722                                                 }
 723                                         }
 724                                         storedAltContent = null;
 725                                         storedAltContentId = null;
 726                                         isExpressInstallActive = false;
 727                                 }
 728                         }
 729                 }
 730         };
 731 }();