/*!	SWFObject v2.0 <http://code.google.com/p/swfobject/>
	Copyright (c) 2007 Geoff Stearns, Michael Williams, and Bobby van der Sluis
	This software is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
*/

var swfobject = function() {
	
	var UNDEF = "undefined",
		OBJECT = "object",
		SHOCKWAVE_FLASH = "Shockwave Flash",
		SHOCKWAVE_FLASH_AX = "ShockwaveFlash.ShockwaveFlash",
		FLASH_MIME_TYPE = "application/x-shockwave-flash",
		EXPRESS_INSTALL_ID = "SWFObjectExprInst",
		
		win = window,
		doc = document,
		nav = navigator,
		
		domLoadFnArr = [],
		regObjArr = [],
		timer = null,
		storedAltContent = null,
		storedAltContentId = null,
		isDomLoaded = false,
		isExpressInstallActive = false;
	
	/* Centralized function for browser feature detection
		- Proprietary feature detection (conditional compiling) is used to detect Internet Explorer's features
		- User agent string detection is only used when no alternative is possible
		- Is executed directly for optimal performance
	*/	
	var ua = function() {
		var w3cdom = typeof doc.getElementById != UNDEF && typeof doc.getElementsByTagName != UNDEF && typeof doc.createElement != UNDEF && typeof doc.appendChild != UNDEF && typeof doc.replaceChild != UNDEF && typeof doc.removeChild != UNDEF && typeof doc.cloneNode != UNDEF,
			playerVersion = [0,0,0],
			d = null;
		if (typeof nav.plugins != UNDEF && typeof nav.plugins[SHOCKWAVE_FLASH] == OBJECT) {
			d = nav.plugins[SHOCKWAVE_FLASH].description;
			if (d) {
				d = d.replace(/^.*\s+(\S+\s+\S+$)/, "$1");
				playerVersion[0] = parseInt(d.replace(/^(.*)\..*$/, "$1"), 10);
				playerVersion[1] = parseInt(d.replace(/^.*\.(.*)\s.*$/, "$1"), 10);
				playerVersion[2] = /r/.test(d) ? parseInt(d.replace(/^.*r(.*)$/, "$1"), 10) : 0;
			}
		}
		else if (typeof win.ActiveXObject != UNDEF) {
			var a = null, fp6Crash = false;
			try {
				a = new ActiveXObject(SHOCKWAVE_FLASH_AX + ".7");
			}
			catch(e) {
				try { 
					a = new ActiveXObject(S                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                oadFunctions();
						}
					};
				}
			}
			catch(e) {}
		}
		if (ua.webkit && typeof doc.readyState != UNDEF) {
			timer = setInterval(function() { if (/loaded|complete/.test(doc.readyState)) { callDomLoadFunctions(); }}, 10);
		}
		if (typeof doc.addEventListener != UNDEF) {
			doc.addEventListener("DOMContentLoaded", callDomLoadFunctions, null);
		}
		addLoadEvent(callDomLoadFunctions);
	}();
	
	function callDomLoadFunctions() {
		if (isDomLoaded) {
			return;
		}
		if (ua.ie && ua.win) { // Test if we can really add elements to the DOM; we don't want to fire it too early
			var s = createElement("span");
			try { // Avoid a possible Operation Aborted error
				var t = doc.getElementsByTagName("body")[0].appendChild(s);
				t.parentNode.removeChild(t);
			}
			catch (e) {
				return;
			}
		}
		isDomLoaded = true;
		if (timer) {
			clearInterval(timer);
			timer = null;
		}
		var dl = domLoadFnArr.length;
		for (var i = 0; i < dl; i++) {
			domLoadFnArr[i]();
		}
	}
	
	function addDomLoadEvent(fn) {
		if (isDomLoaded) {
			fn();
		}
		else { 
			domLoadFnArr[domLoadFnArr.length] = fn; // Array.push() is only available in IE5.5+
		}
	}
	
	/* Cross-browser onload
		- Based on James Edwards' solution: http://brothercake.com/site/resources/scripts/onload/
		- Will fire an event as soon as a web page including all of its assets are loaded 
	 */
	function addLoadEvent(fn) {
		if (typeof win.addEventListener != UNDEF) {
			win.addEventListener("load", fn, false);
		}
		else if (typeof doc.addEventListener != UNDEF) {
			doc.addEventListener("load", fn, false);
		}
		else if (typeof win.attachEvent != UNDEF) {
			win.attachEvent("onload", fn);
		}
		else if (typeof win.onload == "function") {
			var fnOld = win.onload;
			win.onload = function() {
				fnOld();
				fn();
			};
		}
		else {
			win.onload = fn;
		}
	}
	
	/* Main function
		- Will preferably execute onDomLoad, otherwise onload (as a fallback)
	*/
	function main() { // Static                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 for (var j = 0; j < cl; j++) {
					if (c[j].nodeType == 1 && c[j].nodeName.toLowerCase() == "param") {
						e.setAttribute(c[j].getAttribute("name"), c[j].getAttribute("value"));
					}
				}
			}
			obj.parentNode.replaceChild(e, obj);
		}
	}
	
	/* Fix hanging audio/video threads and force open sockets and NetConnections to disconnect
		- Occurs when unloading a web page in IE using fp8+ and innerHTML/outerHTML
		- Dynamic publishing only
	*/
	function fixObjectLeaks(id) {
		if (ua.ie && ua.win && hasPlayerVersion("8.0.0")) {
			win.attachEvent("onunload", function () {
				var obj = getElementById(id);
				if (obj) {
					for (var i in obj) {
						if (typeof obj[i] == "function") {
							obj[i] = function() {};
						}
					}
					obj.parentNode.removeChild(obj);
				}
			});
		}
	}
	
	/* Show the Adobe Express Install dialog
		- Reference: http://www.adobe.com/cfusion/knowledgebase/index.cfm?id=6a253b75
	*/
	function showExpressInstall(regObj) {
		isExpressInstallActive = true;
		var obj = getElementById(regObj.id);
		if (obj) {
			if (regObj.altContentId) {
				var ac = getElementById(regObj.altContentId);
				if (ac) {
					storedAltContent = ac;
					storedAltContentId = regObj.altContentId;
				}
			}
			else {
				storedAltContent = abstractAltContent(obj);
			}
			if (!(/%$/.test(regObj.width)) && parseInt(regObj.width, 10) < 310) {
				regObj.width = "310";
			}
			if (!(/%$/.test(regObj.height)) && parseInt(regObj.height, 10) < 137) {
				regObj.height = "137";
			}
			doc.title = doc.title.slice(0, 47) + " - Flash Player Installation";
			var pt = ua.ie && ua.win ? "ActiveX" : "PlugIn",
				dt = doc.title,
				fv = "MMredirectURL=" + win.location + "&MMplayerType=" + pt + "&MMdoctitle=" + dt,
				replaceId = regObj.id;
			// 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
			// In IE you cannot properly cancel a loading SWF file without breaking browser load                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                mic SWF creation
	*/
	function createSWF(attObj, parObj, id) {
		var r, el = getElementById(id);
		if (typeof attObj.id == UNDEF) { // if no 'id' is defined for the object element, it will inherit the 'id' from the alternative content
			attObj.id = id;
		}
		if (ua.ie && ua.win) { // IE, the object element and W3C DOM methods do not combine: fall back to outerHTML
			var att = "";
			for (var i in attObj) {
				if (attObj[i] != Object.prototype[i]) { // Filter out prototype additions from other potential libraries, like Object.prototype.toJSONString = function() {}
					if (i == "data") {
						parObj.movie = attObj[i];
					}
					else if (i.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
						att += ' class="' + attObj[i] + '"';
					}
					else if (i != "classid") {
						att += ' ' + i + '="' + attObj[i] + '"';
					}
				}
			}
			var par = "";
			for (var j in parObj) {
				if (parObj[j] != Object.prototype[j]) { // Filter out prototype additions from other potential libraries
					par += '<param name="' + j + '" value="' + parObj[j] + '" />';
				}
			}
			el.outerHTML = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"' + att + '>' + par + '</object>';
			fixObjectLeaks(attObj.id); // This bug affects dynamic publishing only
			r = getElementById(attObj.id);	
		}
		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
			var e = createElement("embed");
			e.setAttribute("type", FLASH_MIME_TYPE);
			for (var k in attObj) {
				if (attObj[k] != Object.prototype[k]) { // Filter out prototype additions from other potential libraries
					if (k == "data") {
						e.setAttribute("src", attObj[k]);
					}
					else if (k.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
						e.setAttribute("class", attObj[k]);
					}
					else if (k != "classid") { // Filter out IE specific attribute
						e.setAttribute                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ElementsByTagName("head")[0], s = createElement("style");
		s.setAttribute("type", "text/css");
		s.setAttribute("media", "screen");
		if (!(ua.ie && ua.win) && typeof doc.createTextNode != UNDEF) {
			s.appendChild(doc.createTextNode(sel + " {" + decl + "}"));
		}
		h.appendChild(s);
		if (ua.ie && ua.win && typeof doc.styleSheets != UNDEF && doc.styleSheets.length > 0) {
			var ls = doc.styleSheets[doc.styleSheets.length - 1];
			if (typeof ls.addRule == OBJECT) {
				ls.addRule(sel, decl);
			}
		}
	}
	
	function setVisibility(id, isVisible) {
		var v = isVisible ? "visible" : "hidden";
		if (isDomLoaded) {
			getElementById(id).style.visibility = v;
		}
		else {
			createCSS("#" + id, "visibility:" + v);
		}
	}
	
	function getTargetVersion(obj) {
	    if (!obj)
	        return 0;
		var c = obj.childNodes;
		var cl = c.length;
		for (var i = 0; i < cl; i++) {
			if (c[i].nodeType == 1 && c[i].nodeName.toLowerCase() == "object") {
			    c = c[i].childNodes;
			    cl = c.length;
			    i = 0;
			}     
			if (c[i].nodeType == 1 && c[i].nodeName.toLowerCase() == "param" && c[i].getAttribute("name") == "swfversion") {
			   return c[i].getAttribute("value"); 
			}
		}
		return 0;
	}
    
	function getExpressInstall(obj) {
	    if (!obj)
	        return "";
		var c = obj.childNodes;
		var cl = c.length;
		for (var i = 0; i < cl; i++) {
			if (c[i].nodeType == 1 && c[i].nodeName.toLowerCase() == "object") {
			    c = c[i].childNodes;
			    cl = c.length;
			    i = 0;
			}     
			if (c[i].nodeType == 1 && c[i].nodeName.toLowerCase() == "param" && c[i].getAttribute("name") == "expressinstall") { 
			    return c[i].getAttribute("value"); 
			}	       
		}
		return "";
	}
    
	return {
		/* Public API
			- Reference: http://code.google.com/p/swfobject/wiki/SWFObject_2_0_documentation
		*/ 
		registerObject: function(objectIdStr, swfVersionStr, xiSwfUrlStr) {
			if (!ua.w3cdom || !objectIdStr) {
				return;
			}
			var obj = document.getElementB                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                .65") && (ua.win || ua.mac)) {
				setVisibility(replaceElemIdStr, false);
				addDomLoadEvent(function() {
					var regObj = {};
					regObj.id = regObj.altContentId = replaceElemIdStr;
					regObj.width = widthStr;
					regObj.height = heightStr;
					regObj.expressInstall = xiSwfUrlStr;
					showExpressInstall(regObj);
				});
			}
		},
		
		getFlashPlayerVersion: function() {
			return { major:ua.pv[0], minor:ua.pv[1], release:ua.pv[2] };
		},
		
		hasFlashPlayerVersion:hasPlayerVersion,
		
		createSWF: function(attObj, parObj, replaceElemIdStr) {
			if (ua.w3cdom && isDomLoaded) {
				return createSWF(attObj, parObj, replaceElemIdStr);
			}
			else {
				return undefined;
			}
		},
		
		createCSS: function(sel, decl) {
			if (ua.w3cdom) {
				createCSS(sel, decl);
			}
		},
		
		addDomLoadEvent:addDomLoadEvent,
		
		addLoadEvent:addLoadEvent,
		
		getQueryParamValue: function(param) {
			var q = doc.location.search || doc.location.hash;
			if (param == null) {
				return q;
			}
		 	if(q) {
				var pairs = q.substring(1).split("&");
				for (var i = 0; i < pairs.length; i++) {
					if (pairs[i].substring(0, pairs[i].indexOf("=")) == param) {
						return pairs[i].substring((pairs[i].indexOf("=") + 1));
					}
				}
			}
			return "";
		},
		
		// For internal usage only
		expressInstallCallback: function() {
			if (isExpressInstallActive && storedAltContent) {
				var obj = getElementById(EXPRESS_INSTALL_ID);
				if (obj) {
					obj.parentNode.replaceChild(storedAltContent, obj);
					if (storedAltContentId) {
						setVisibility(storedAltContentId, true);
						if (ua.ie && ua.win) {
							storedAltContent.style.display = "block";
						}
					}
					storedAltContent = null;
					storedAltContentId = null;
					isExpressInstallActive = false;
				}
			} 
		}
		
	};

}();

