3 * Copyright(c) 2006-2010 Ext JS, Inc.
5 * http://www.extjs.com/license
7 /*! SWFObject v2.2 <http://code.google.com/p/swfobject/>
8 is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
11 var swfobject = function() {
13 var UNDEF = "undefined",
15 SHOCKWAVE_FLASH = "Shockwave Flash",
16 SHOCKWAVE_FLASH_AX = "ShockwaveFlash.ShockwaveFlash",
17 FLASH_MIME_TYPE = "application/x-shockwave-flash",
18 EXPRESS_INSTALL_ID = "SWFObjectExprInst",
19 ON_READY_STATE_CHANGE = "onreadystatechange",
26 domLoadFnArr = [main],
35 isExpressInstallActive = false,
37 dynamicStylesheetMedia,
40 /* Centralized function for browser feature detection
41 - User agent string detection is only used when no good alternative is possible
42 - Is executed directly for optimal performance
45 var w3cdom = typeof doc.getElementById != UNDEF && typeof doc.getElementsByTagName != UNDEF && typeof doc.createElement != UNDEF,
46 u = nav.userAgent.toLowerCase(),
47 p = nav.platform.toLowerCase(),
48 windows = p ? /win/.test(p) : /win/.test(u),
49 mac = p ? /mac/.test(p) : /mac/.test(u),
50 webkit = /webkit/.test(u) ? parseFloat(u.replace(/^.*webkit\/(\d+(\.\d+)?).*$/, "$1")) : false, // returns either the webkit version or false if not webkit
51 ie = !+"\v1", // feature detection based on Andrea Giammarchi's solution: http://webreflection.blogspot.com/2009/01/32-bytes-to-know-if-your-browser-is-ie.html
52 playerVersion = [0,0,0],
54 if (typeof nav.plugins != UNDEF && typeof nav.plugins[SHOCKWAVE_FLASH] == OBJECT) {
55 d = nav.plugins[SHOCKWAVE_FLASH].description;
56 if (d && !(typeof nav.mimeTypes != UNDEF && nav.mimeTypes[FLASH_MIME_TYPE] && !nav.mimeTypes[FLASH_MIME_TYPE].enabledPlugin)) { // navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin indicates whether plug-ins are enabled or disabled in Safari 3+
58 ie = false; // cascaded feature detection for Internet Explorer
59 d = d.replace(/^.*\s+(\S+\s+\S+$)/, "$1");
60 playerVersion[0] = parseInt(d.replace(/^(.*)\..*$/, "$1"), 10);
61 playerVersion[1] = parseInt(d.replace(/^.*\.(.*)\s.*$/, "$1"), 10);
62 playerVersion[2] = /[a-zA-Z]/.test(d) ? parseInt(d.replace(/^.*[a-zA-Z]+(.*)$/, "$1"), 10) : 0;
65 else if (typeof win.ActiveXObject != UNDEF) {
67 var a = new ActiveXObject(SHOCKWAVE_FLASH_AX);
68 if (a) { // a will return null when ActiveX is disabled
69 d = a.GetVariable("$version");
71 ie = true; // cascaded feature detection for Internet Explorer
72 d = d.split(" ")[1].split(",");
73 playerVersion = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
79 return { w3:w3cdom, pv:playerVersion, wk:webkit, ie:ie, win:windows, mac:mac };
82 /* Cross-browser onDomLoad
83 - Will fire an event as soon as the DOM of a web page is loaded
84 - Internet Explorer workaround based on Diego Perini's solution: http://javascript.nwbox.com/IEContentLoaded/
85 - Regular onload serves as fallback
87 onDomLoad = function() {
88 if (!ua.w3) { return; }
89 if ((typeof doc.readyState != UNDEF && doc.readyState == "complete") || (typeof doc.readyState == UNDEF && (doc.getElementsByTagName("body")[0] || doc.body))) { // function is fired after onload, e.g. when script is inserted dynamically
90 callDomLoadFunctions();
93 if (typeof doc.addEventListener != UNDEF) {
94 doc.addEventListener("DOMContentLoaded", callDomLoadFunctions, false);
96 if (ua.ie && ua.win) {
97 doc.attachEvent(ON_READY_STATE_CHANGE, function() {
98 if (doc.readyState == "complete") {
99 doc.detachEvent(ON_READY_STATE_CHANGE, arguments.callee);
100 callDomLoadFunctions();
103 if (win == top) { // if not inside an iframe
105 if (isDomLoaded) { return; }
107 doc.documentElement.doScroll("left");
110 setTimeout(arguments.callee, 0);
113 callDomLoadFunctions();
119 if (isDomLoaded) { return; }
120 if (!/loaded|complete/.test(doc.readyState)) {
121 setTimeout(arguments.callee, 0);
124 callDomLoadFunctions();
127 addLoadEvent(callDomLoadFunctions);
131 function callDomLoadFunctions() {
132 if (isDomLoaded) { return; }
133 try { // test if we can really add/remove elements to/from the DOM; we don't want to fire it too early
134 var t = doc.getElementsByTagName("body")[0].appendChild(createElement("span"));
135 t.parentNode.removeChild(t);
137 catch (e) { return; }
139 var dl = domLoadFnArr.length;
140 for (var i = 0; i < dl; i++) {
145 function addDomLoadEvent(fn) {
150 domLoadFnArr[domLoadFnArr.length] = fn; // Array.push() is only available in IE5.5+
154 /* Cross-browser onload
155 - Based on James Edwards' solution: http://brothercake.com/site/resources/scripts/onload/
156 - Will fire an event as soon as a web page including all of its assets are loaded
158 function addLoadEvent(fn) {
159 if (typeof win.addEventListener != UNDEF) {
160 win.addEventListener("load", fn, false);
162 else if (typeof doc.addEventListener != UNDEF) {
163 doc.addEventListener("load", fn, false);
165 else if (typeof win.attachEvent != UNDEF) {
166 addListener(win, "onload", fn);
168 else if (typeof win.onload == "function") {
169 var fnOld = win.onload;
170 win.onload = function() {
181 - Will preferably execute onDomLoad, otherwise onload (as a fallback)
192 /* Detect the Flash Player version for non-Internet Explorer browsers
193 - Detecting the plug-in version via the object element is more precise than using the plugins collection item's description:
194 a. Both release and build numbers can be detected
195 b. Avoid wrong descriptions by corrupt installers provided by Adobe
196 c. Avoid wrong descriptions by multiple Flash Player entries in the plugin Array, caused by incorrect browser imports
197 - Disadvantage of this method is that it depends on the availability of the DOM, while the plugins collection is immediately available
199 function testPlayerVersion() {
200 var b = doc.getElementsByTagName("body")[0];
201 var o = createElement(OBJECT);
202 o.setAttribute("type", FLASH_MIME_TYPE);
203 var t = b.appendChild(o);
207 if (typeof t.GetVariable != UNDEF) {
208 var d = t.GetVariable("$version");
210 d = d.split(" ")[1].split(",");
211 ua.pv = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
214 else if (counter < 10) {
216 setTimeout(arguments.callee, 10);
229 /* Perform Flash Player and SWF version matching; static publishing only
231 function matchVersions() {
232 var rl = regObjArr.length;
234 for (var i = 0; i < rl; i++) { // for each registered object element
235 var id = regObjArr[i].id;
236 var cb = regObjArr[i].callbackFn;
237 var cbObj = {success:false, id:id};
239 var obj = getElementById(id);
241 if (hasPlayerVersion(regObjArr[i].swfVersion) && !(ua.wk && ua.wk < 312)) { // Flash Player version >= published SWF version: Houston, we have a match!
242 setVisibility(id, true);
244 cbObj.success = true;
245 cbObj.ref = getObjectById(id);
249 else if (regObjArr[i].expressInstall && canExpressInstall()) { // show the Adobe Express Install dialog if set by the web page author and if supported
251 att.data = regObjArr[i].expressInstall;
252 att.width = obj.getAttribute("width") || "0";
253 att.height = obj.getAttribute("height") || "0";
254 if (obj.getAttribute("class")) { att.styleclass = obj.getAttribute("class"); }
255 if (obj.getAttribute("align")) { att.align = obj.getAttribute("align"); }
256 // parse HTML object param element's name-value pairs
258 var p = obj.getElementsByTagName("param");
260 for (var j = 0; j < pl; j++) {
261 if (p[j].getAttribute("name").toLowerCase() != "movie") {
262 par[p[j].getAttribute("name")] = p[j].getAttribute("value");
265 showExpressInstall(att, par, id, cb);
267 else { // Flash Player and SWF version mismatch or an older Webkit engine that ignores the HTML object element's nested param elements: display alternative content instead of SWF
268 displayAltContent(obj);
269 if (cb) { cb(cbObj); }
273 else { // if no Flash Player is installed or the fp version cannot be detected we let the HTML object element do its job (either show a SWF or alternative content)
274 setVisibility(id, true);
276 var o = getObjectById(id); // test whether there is an HTML object element or not
277 if (o && typeof o.SetVariable != UNDEF) {
278 cbObj.success = true;
288 function getObjectById(objectIdStr) {
290 var o = getElementById(objectIdStr);
291 if (o && o.nodeName == "OBJECT") {
292 if (typeof o.SetVariable != UNDEF) {
296 var n = o.getElementsByTagName(OBJECT)[0];
305 /* Requirements for Adobe Express Install
306 - only one instance can be active at a time
307 - fp 6.0.65 or higher
309 - no Webkit engines older than version 312
311 function canExpressInstall() {
312 return !isExpressInstallActive && hasPlayerVersion("6.0.65") && (ua.win || ua.mac) && !(ua.wk && ua.wk < 312);
315 /* Show the Adobe Express Install dialog
316 - Reference: http://www.adobe.com/cfusion/knowledgebase/index.cfm?id=6a253b75
318 function showExpressInstall(att, par, replaceElemIdStr, callbackFn) {
319 isExpressInstallActive = true;
320 storedCallbackFn = callbackFn || null;
321 storedCallbackObj = {success:false, id:replaceElemIdStr};
322 var obj = getElementById(replaceElemIdStr);
324 if (obj.nodeName == "OBJECT") { // static publishing
325 storedAltContent = abstractAltContent(obj);
326 storedAltContentId = null;
328 else { // dynamic publishing
329 storedAltContent = obj;
330 storedAltContentId = replaceElemIdStr;
332 att.id = EXPRESS_INSTALL_ID;
333 if (typeof att.width == UNDEF || (!/%$/.test(att.width) && parseInt(att.width, 10) < 310)) { att.width = "310"; }
334 if (typeof att.height == UNDEF || (!/%$/.test(att.height) && parseInt(att.height, 10) < 137)) { att.height = "137"; }
335 doc.title = doc.title.slice(0, 47) + " - Flash Player Installation";
336 var pt = ua.ie && ua.win ? "ActiveX" : "PlugIn",
337 fv = "MMredirectURL=" + win.location.toString().replace(/&/g,"%26") + "&MMplayerType=" + pt + "&MMdoctitle=" + doc.title;
338 if (typeof par.flashvars != UNDEF) {
339 par.flashvars += "&" + fv;
344 // IE only: when a SWF is loading (AND: not available in cache) wait for the readyState of the object element to become 4 before removing it,
345 // because you cannot properly cancel a loading SWF file without breaking browser load references, also obj.onreadystatechange doesn't work
346 if (ua.ie && ua.win && obj.readyState != 4) {
347 var newObj = createElement("div");
348 replaceElemIdStr += "SWFObjectNew";
349 newObj.setAttribute("id", replaceElemIdStr);
350 obj.parentNode.insertBefore(newObj, obj); // insert placeholder div that will be replaced by the object element that loads expressinstall.swf
351 obj.style.display = "none";
353 if (obj.readyState == 4) {
354 obj.parentNode.removeChild(obj);
357 setTimeout(arguments.callee, 10);
361 createSWF(att, par, replaceElemIdStr);
365 /* Functions to abstract and display alternative content
367 function displayAltContent(obj) {
368 if (ua.ie && ua.win && obj.readyState != 4) {
369 // IE only: when a SWF is loading (AND: not available in cache) wait for the readyState of the object element to become 4 before removing it,
370 // because you cannot properly cancel a loading SWF file without breaking browser load references, also obj.onreadystatechange doesn't work
371 var el = createElement("div");
372 obj.parentNode.insertBefore(el, obj); // insert placeholder div that will be replaced by the alternative content
373 el.parentNode.replaceChild(abstractAltContent(obj), el);
374 obj.style.display = "none";
376 if (obj.readyState == 4) {
377 obj.parentNode.removeChild(obj);
380 setTimeout(arguments.callee, 10);
385 obj.parentNode.replaceChild(abstractAltContent(obj), obj);
389 function abstractAltContent(obj) {
390 var ac = createElement("div");
391 if (ua.win && ua.ie) {
392 ac.innerHTML = obj.innerHTML;
395 var nestedObj = obj.getElementsByTagName(OBJECT)[0];
397 var c = nestedObj.childNodes;
400 for (var i = 0; i < cl; i++) {
401 if (!(c[i].nodeType == 1 && c[i].nodeName == "PARAM") && !(c[i].nodeType == 8)) {
402 ac.appendChild(c[i].cloneNode(true));
411 /* Cross-browser dynamic SWF creation
413 function createSWF(attObj, parObj, id) {
414 var r, el = getElementById(id);
415 if (ua.wk && ua.wk < 312) { return r; }
417 if (typeof attObj.id == UNDEF) { // if no 'id' is defined for the object element, it will inherit the 'id' from the alternative content
420 if (ua.ie && ua.win) { // Internet Explorer + the HTML object element + W3C DOM methods do not combine: fall back to outerHTML
422 for (var i in attObj) {
423 if (attObj[i] != Object.prototype[i]) { // filter out prototype additions from other potential libraries
424 if (i.toLowerCase() == "data") {
425 parObj.movie = attObj[i];
427 else if (i.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
428 att += ' class="' + attObj[i] + '"';
430 else if (i.toLowerCase() != "classid") {
431 att += ' ' + i + '="' + attObj[i] + '"';
436 for (var j in parObj) {
437 if (parObj[j] != Object.prototype[j]) { // filter out prototype additions from other potential libraries
438 par += '<param name="' + j + '" value="' + parObj[j] + '" />';
441 el.outerHTML = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"' + att + '>' + par + '</object>';
442 objIdArr[objIdArr.length] = attObj.id; // stored to fix object 'leaks' on unload (dynamic publishing only)
443 r = getElementById(attObj.id);
445 else { // well-behaving browsers
446 var o = createElement(OBJECT);
447 o.setAttribute("type", FLASH_MIME_TYPE);
448 for (var m in attObj) {
449 if (attObj[m] != Object.prototype[m]) { // filter out prototype additions from other potential libraries
450 if (m.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
451 o.setAttribute("class", attObj[m]);
453 else if (m.toLowerCase() != "classid") { // filter out IE specific attribute
454 o.setAttribute(m, attObj[m]);
458 for (var n in parObj) {
459 if (parObj[n] != Object.prototype[n] && n.toLowerCase() != "movie") { // filter out prototype additions from other potential libraries and IE specific param element
460 createObjParam(o, n, parObj[n]);
463 el.parentNode.replaceChild(o, el);
470 function createObjParam(el, pName, pValue) {
471 var p = createElement("param");
472 p.setAttribute("name", pName);
473 p.setAttribute("value", pValue);
477 /* Cross-browser SWF removal
478 - Especially needed to safely and completely remove a SWF in Internet Explorer
480 function removeSWF(id) {
481 var obj = getElementById(id);
482 if (obj && obj.nodeName == "OBJECT") {
483 if (ua.ie && ua.win) {
484 obj.style.display = "none";
486 if (obj.readyState == 4) {
487 removeObjectInIE(id);
490 setTimeout(arguments.callee, 10);
495 obj.parentNode.removeChild(obj);
500 function removeObjectInIE(id) {
501 var obj = getElementById(id);
504 if (typeof obj[i] == "function") {
508 obj.parentNode.removeChild(obj);
512 /* Functions to optimize JavaScript compression
514 function getElementById(id) {
517 el = doc.getElementById(id);
523 function createElement(el) {
524 return doc.createElement(el);
527 /* Updated attachEvent function for Internet Explorer
528 - Stores attachEvent information in an Array, so on unload the detachEvent functions can be called to avoid memory leaks
530 function addListener(target, eventType, fn) {
531 target.attachEvent(eventType, fn);
532 listenersArr[listenersArr.length] = [target, eventType, fn];
535 /* Flash Player and SWF content version matching
537 function hasPlayerVersion(rv) {
538 var pv = ua.pv, v = rv.split(".");
539 v[0] = parseInt(v[0], 10);
540 v[1] = parseInt(v[1], 10) || 0; // supports short notation, e.g. "9" instead of "9.0.0"
541 v[2] = parseInt(v[2], 10) || 0;
542 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;
545 /* Cross-browser dynamic CSS creation
546 - Based on Bobby van der Sluis' solution: http://www.bobbyvandersluis.com/articles/dynamicCSS.php
548 function createCSS(sel, decl, media, newStyle) {
549 if (ua.ie && ua.mac) { return; }
550 var h = doc.getElementsByTagName("head")[0];
551 if (!h) { return; } // to also support badly authored HTML pages that lack a head element
552 var m = (media && typeof media == "string") ? media : "screen";
554 dynamicStylesheet = null;
555 dynamicStylesheetMedia = null;
557 if (!dynamicStylesheet || dynamicStylesheetMedia != m) {
558 // create dynamic stylesheet + get a global reference to it
559 var s = createElement("style");
560 s.setAttribute("type", "text/css");
561 s.setAttribute("media", m);
562 dynamicStylesheet = h.appendChild(s);
563 if (ua.ie && ua.win && typeof doc.styleSheets != UNDEF && doc.styleSheets.length > 0) {
564 dynamicStylesheet = doc.styleSheets[doc.styleSheets.length - 1];
566 dynamicStylesheetMedia = m;
569 if (ua.ie && ua.win) {
570 if (dynamicStylesheet && typeof dynamicStylesheet.addRule == OBJECT) {
571 dynamicStylesheet.addRule(sel, decl);
575 if (dynamicStylesheet && typeof doc.createTextNode != UNDEF) {
576 dynamicStylesheet.appendChild(doc.createTextNode(sel + " {" + decl + "}"));
581 function setVisibility(id, isVisible) {
582 if (!autoHideShow) { return; }
583 var v = isVisible ? "visible" : "hidden";
584 if (isDomLoaded && getElementById(id)) {
585 getElementById(id).style.visibility = v;
588 createCSS("#" + id, "visibility:" + v);
592 /* Filter to avoid XSS attacks
594 function urlEncodeIfNecessary(s) {
595 var regex = /[\\\"<>\.;]/;
596 var hasBadChars = regex.exec(s) != null;
597 return hasBadChars && typeof encodeURIComponent != UNDEF ? encodeURIComponent(s) : s;
600 /* Release memory to avoid memory leaks caused by closures, fix hanging audio/video threads and force open sockets/NetConnections to disconnect (Internet Explorer only)
602 var cleanup = function() {
603 if (ua.ie && ua.win) {
604 window.attachEvent("onunload", function() {
605 // remove listeners to avoid memory leaks
606 var ll = listenersArr.length;
607 for (var i = 0; i < ll; i++) {
608 listenersArr[i][0].detachEvent(listenersArr[i][1], listenersArr[i][2]);
610 // cleanup dynamically embedded objects to fix audio/video threads and force open sockets and NetConnections to disconnect
611 var il = objIdArr.length;
612 for (var j = 0; j < il; j++) {
613 removeSWF(objIdArr[j]);
615 // cleanup library's main closures to avoid memory leaks
620 for (var l in swfobject) {
630 - Reference: http://code.google.com/p/swfobject/wiki/documentation
632 registerObject: function(objectIdStr, swfVersionStr, xiSwfUrlStr, callbackFn) {
633 if (ua.w3 && objectIdStr && swfVersionStr) {
635 regObj.id = objectIdStr;
636 regObj.swfVersion = swfVersionStr;
637 regObj.expressInstall = xiSwfUrlStr;
638 regObj.callbackFn = callbackFn;
639 regObjArr[regObjArr.length] = regObj;
640 setVisibility(objectIdStr, false);
642 else if (callbackFn) {
643 callbackFn({success:false, id:objectIdStr});
647 getObjectById: function(objectIdStr) {
649 return getObjectById(objectIdStr);
653 embedSWF: function(swfUrlStr, replaceElemIdStr, widthStr, heightStr, swfVersionStr, xiSwfUrlStr, flashvarsObj, parObj, attObj, callbackFn) {
654 var callbackObj = {success:false, id:replaceElemIdStr};
655 if (ua.w3 && !(ua.wk && ua.wk < 312) && swfUrlStr && replaceElemIdStr && widthStr && heightStr && swfVersionStr) {
656 setVisibility(replaceElemIdStr, false);
657 addDomLoadEvent(function() {
658 widthStr += ""; // auto-convert to string
661 if (attObj && typeof attObj === OBJECT) {
662 for (var i in attObj) { // copy object to avoid the use of references, because web authors often reuse attObj for multiple SWFs
666 att.data = swfUrlStr;
667 att.width = widthStr;
668 att.height = heightStr;
670 if (parObj && typeof parObj === OBJECT) {
671 for (var j in parObj) { // copy object to avoid the use of references, because web authors often reuse parObj for multiple SWFs
675 if (flashvarsObj && typeof flashvarsObj === OBJECT) {
676 for (var k in flashvarsObj) { // copy object to avoid the use of references, because web authors often reuse flashvarsObj for multiple SWFs
677 if (typeof par.flashvars != UNDEF) {
678 par.flashvars += "&" + k + "=" + flashvarsObj[k];
681 par.flashvars = k + "=" + flashvarsObj[k];
685 if (hasPlayerVersion(swfVersionStr)) { // create SWF
686 var obj = createSWF(att, par, replaceElemIdStr);
687 if (att.id == replaceElemIdStr) {
688 setVisibility(replaceElemIdStr, true);
690 callbackObj.success = true;
691 callbackObj.ref = obj;
693 else if (xiSwfUrlStr && canExpressInstall()) { // show Adobe Express Install
694 att.data = xiSwfUrlStr;
695 showExpressInstall(att, par, replaceElemIdStr, callbackFn);
698 else { // show alternative content
699 setVisibility(replaceElemIdStr, true);
701 if (callbackFn) { callbackFn(callbackObj); }
704 else if (callbackFn) { callbackFn(callbackObj); }
707 switchOffAutoHideShow: function() {
708 autoHideShow = false;
713 getFlashPlayerVersion: function() {
714 return { major:ua.pv[0], minor:ua.pv[1], release:ua.pv[2] };
717 hasFlashPlayerVersion: hasPlayerVersion,
719 createSWF: function(attObj, parObj, replaceElemIdStr) {
721 return createSWF(attObj, parObj, replaceElemIdStr);
728 showExpressInstall: function(att, par, replaceElemIdStr, callbackFn) {
729 if (ua.w3 && canExpressInstall()) {
730 showExpressInstall(att, par, replaceElemIdStr, callbackFn);
734 removeSWF: function(objElemIdStr) {
736 removeSWF(objElemIdStr);
740 createCSS: function(selStr, declStr, mediaStr, newStyleBoolean) {
742 createCSS(selStr, declStr, mediaStr, newStyleBoolean);
746 addDomLoadEvent: addDomLoadEvent,
748 addLoadEvent: addLoadEvent,
750 getQueryParamValue: function(param) {
751 var q = doc.location.search || doc.location.hash;
753 if (/\?/.test(q)) { q = q.split("?")[1]; } // strip question mark
755 return urlEncodeIfNecessary(q);
757 var pairs = q.split("&");
758 for (var i = 0; i < pairs.length; i++) {
759 if (pairs[i].substring(0, pairs[i].indexOf("=")) == param) {
760 return urlEncodeIfNecessary(pairs[i].substring((pairs[i].indexOf("=") + 1)));
767 // For internal usage only
768 expressInstallCallback: function() {
769 if (isExpressInstallActive) {
770 var obj = getElementById(EXPRESS_INSTALL_ID);
771 if (obj && storedAltContent) {
772 obj.parentNode.replaceChild(storedAltContent, obj);
773 if (storedAltContentId) {
774 setVisibility(storedAltContentId, true);
775 if (ua.ie && ua.win) { storedAltContent.style.display = "block"; }
777 if (storedCallbackFn) { storedCallbackFn(storedCallbackObj); }
779 isExpressInstallActive = false;