/*	SWFFix 0.3 <http://code.google.com/p/swffix/>

	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 SWFFix = function() {

	

	var domLoadFnArr = [main];

	var regObjArr = [];

	var timer = null;

	var storedAltContent = null;

	var isDomLoaded = false;

	var isIEFixed = false;

	var isOperaFixed = false;

	var isExpressInstall = false;

		

	var ua = function() {

		var w3cdom = typeof document.getElementById != "undefined" && typeof document.getElementsByTagName != "undefined" && typeof document.createElement != "undefined";

		var u = navigator.userAgent.toLowerCase();

		var	win = /win/.test(u);

		var	mac = /mac/.test(u);

		var	opera = /opera/.test(u);

		var	operaVersion = opera ? parseFloat(u.replace(/^.*opera ?\/?(\d+(\.\d+)?).*$/, "$1")) : 0;

		var	ie = !opera && /msie/.test(u);

		var ieVersion = ie ? parseFloat(u.replace(/^.*msie (\d+\.\d+).*$/, "$1")) : 0;

		var	webkit = /webkit/.test(u);

		var	webkitVersion = webkit ? parseFloat(u.replace(/^.*webkit\/(\d+(\.\d+)?).*$/, "$1")) : 0;

		var playerVersion = [0,0,0];

		if (navigator.plugins && typeof navigator.plugins["Shockwave Flash"] == "object") {

			var d = navigator.plugins["Shockwave Flash"].description;

			if (typeof d != "undefined") {

				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 (window.ActiveXObject) {

			var fp6Crash = false;

			try { var a = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7"); }

			catch(e) {

				try { 

					var a = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");

					playerVersion = [6,0,21];

					a.AllowScriptAccess = "always";

				}

				catch(e) {

					if (playerVersion[0] == 6) { fp6Crash = true; }

				}

				if (!fp6Crash) {

					try { a = new ActiveXObject("ShockwaveFlash.ShockwaveFlash"); }

					catch(e) {}

				}

			}

			if (!fp6Crash && typeof a == "object") {

				var d = a.GetVariable("$version");

				if (typeof d != "undefined") {

					d = d.split(" ")[1].split(",");

					playerVersion = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];

				}

			}

		}

		return { w3cdom:w3cdom, win:win, mac:mac, opera:opera, operaVersion:operaVersion, ie:ie, ieVersion:ieVersion, webkit:webkit, webkitVersion:webkitVersion, playerVersion:playerVersion };

	}();

		

	var onDomLoad = function() {

		if (!ua.w3cdom) { return; }

		if (ua.ie && ua.win) {

			document.write("<script id=__ie_ondomload defer=true src=//:></script>");

			document.getElementById("__ie_ondomload").onreadystatechange = function() {

				if (this.readyState == "complete") { 

					this.parentNode.removeChild(this);

					callDomLoadFunctions();

				}

			};

		}

		if (ua.webkit) {

			timer = setInterval(function() { if (/loaded|complete/.test(document.readyState)) callDomLoadFunctions(); }, 10);

		}

		if (typeof document.addEventListener != "undefined") {

			document.addEventListener("DOMContentLoaded", callDomLoadFunctions, null);

		}

		addLoadEvent(callDomLoadFunctions);

	}();

	

	function callDomLoadFunctions() {

		if (isDomLoaded) { 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) {

		domLoadFnArr[domLoadFnArr.length] = fn;

	}

	

	function addLoadEvent(fn) {

		if (typeof window.addEventListener != "undefined") { window.addEventListener("load", fn, false); }

		else if (typeof document.addEventListener != "undefined") { document.addEventListener("load", fn, false); }

		else if (typeof window.attachEvent != "undefined") { window.attachEvent("onload", fn); }

		else if (typeof window.onload == "function") {

			var fnOld = window.onload;

			window.onload = function() {

				fnOld();

				fn();

			};

		}

		else { window.onload = fn; }

	}

	

	function main() {

		var rl = regObjArr.length;

		for (var i = 0; i < rl; i++) {

			var id = regObjArr[i].id;

			var obj = document.getElementById(id);

			if (hasPlayerVersion(regObjArr[i].swfVersion)) {

				if (ua.webkit && ua.webkitVersion < 312) {

					fixParams(obj);

				}

				else {

					if (!isIEFixed && ua.win && ua.ie && ua.ieVersion >= 6) {

						isIEFixed = true;

						if (document.readyState == "complete") { fixIEActiveContent(); }

						else { window.attachEvent("onload", fixIEActiveContent); }

						window.attachEvent("onbeforeunload", fixOutOfMemoryError);

						window.attachEvent("onunload", fixObjectLeaks);

					}

					else if (!isOperaFixed && ua.opera && ua.operaVersion >= 9) {

						isOperaFixed = true;

						addLoadEvent(fixActiveContent);

					}

				}

			}

			else if (hasPlayerVersion([1,0,0])) {

				if (!isExpressInstall && regObjArr[i].expressInstall && (ua.win || ua.mac) && hasPlayerVersion([6,0,65])) {

					displayExpressInstallDialog(regObjArr[i]);

				}

				else {

					displayAltContent(obj);

				}

			}

			createCSS("#" + id, "visibility:visible");

		}

	}



	function getTargetVersion(obj) {

		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) {

		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 "";

	}

    

	function fixParams(obj) {

		var nestedObj = obj.getElementsByTagName("object")[0];

		if (typeof nestedObj != "undefined") {

			var e = document.createElement("embed");

			var a = nestedObj.attributes;

			var al = a.length;

			for (var i = 0; i < al; i++) {

				if (a[i].nodeName.toLowerCase() == "data") { e.setAttribute("src", a[i].nodeValue); }

				else { e.setAttribute(a[i].nodeName, a[i].nodeValue); }

			}

			var c = nestedObj.childNodes;

			var cl = c.length;

			for (var i = 0; i < cl; i++) {

				if (c[i].nodeType == 1 && c[i].nodeName.toLowerCase() == "param") { e.setAttribute(c[i].getAttribute("name"), c[i].getAttribute("value")); }

			}

			obj.parentNode.replaceChild(e, obj);

		}

	}

	

	function fixIEActiveContent() {

		var o = document.getElementsByTagName("object");

		var ol = o.length;

		for (var i = 0; i < ol; i++) {

			var c = o[i].childNodes;

			var cl = c.length;

			var paramHTML = "";

			for (var j = 0; j < cl; j++) {

				if (c[j].nodeType == 1 && c[j].nodeName.toLowerCase() == "param") { paramHTML += c[j].outerHTML; }	       

			}

			o[i].outerHTML = o[i].outerHTML.split(">")[0] + ">" + paramHTML + o[i].innerHTML + "</object>";

		}

	}

	

	function fixOutOfMemoryError() {

		__flash_unloadHandler = function() {};

		__flash_savedUnloadHandler = function() {};

	}

	

	function fixObjectLeaks() {

		var o = document.getElementsByTagName("object");

		var ol = o.length

		for (var i = 0; i < ol; i++) {

			o[i].style.display = "none";

			for (var x in o[i]) {

				if (typeof o[i][x] == "function") o[i][x] = function() {};

			}

		}

	}

	

	function fixActiveContent() {

		var o = document.getElementsByTagName("object");

		var ol = o.length;

		for (var i = 0; i < ol; i++) {

			if(o[i].getAttribute("type") == "application/x-shockwave-flash") {

				var c = o[i].cloneNode(true);

				o[i].parentNode.replaceChild(c, o[i]);

			}

		}

	}

	

	function displayExpressInstallDialog(regObj) {

		isExpressInstall = true;

		var obj = document.getElementById(regObj.id);

		storedAltContent = regObj.altContent ? document.getElementById(regObj.altContent) : abstractAltContent(obj);

		var w = regObj.width ? regObj.width : obj.getAttribute("width");

		if (parseInt(w, 10) < 310) { w = "310"; }

		var h = regObj.height ? regObj.height : obj.getAttribute("height");

		if (parseInt(h, 10) < 137) { h = "137"; }

		var pt = ua.ie && ua.win ? "ActiveX" : "PlugIn";

		var dt = document.title = document.title.slice(0, 47) + " - Flash Player Installation";

		var fv = "MMredirectURL=" + window.location + "&MMplayerType=" + pt + "&MMdoctitle=" + dt;

		var el = obj;

		if (ua.win && ua.ie && obj.readyState != 4) {

			el = document.createElement("div");

			obj.parentNode.insertBefore(el, obj);

			obj.style.display = "none";

			window.attachEvent("onload", function() { obj.parentNode.removeChild(obj); });

		}

		createSWF({ data:regObj.expressInstall, id:"SWFFixEID", width:w, height:h }, { flashvars:fv }, el);

	}



	function displayAltContent(obj) {

		obj.parentNode.replaceChild(abstractAltContent(obj), obj);

	}	



	function abstractAltContent(obj) {

		var ac = document.createElement("div");

		if (ua.win && ua.ie) { ac.innerHTML = obj.innerHTML; }

		else {

			var nestedObj = obj.getElementsByTagName("object")[0];

			if (typeof nestedObj != "undefined") {

				var c = nestedObj.childNodes;

				var cl = c.length;

				for (var i = 0; i < cl; i++) {

					if (!(c[i].nodeType == 1 && c[i].nodeName.toLowerCase() == "param") && !(c[i].nodeType == 8)) { ac.appendChild(c[i].cloneNode(true)); }

				}

			}

		}

		return ac;

	}

	

	function createSWF(attObj, parObj, el) {

		if (ua.ie && ua.win) {

			var att = "";

			for (i in attObj) { 

				if (i == "data") { parObj.movie = attObj[i]; }

				else if (i != "classid") { att += ' ' + i + '="' + attObj[i] + '"'; } 

			}

			var par = "";

			for (i in parObj) { par += '<param name="' + i + '" value="' + parObj[i] + '" />'; }

			el.outerHTML = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"' + att + '>' + par + '</object>';

		}

		else if (ua.webkit && ua.webkitVersion < 312) {

			var o = document.createElement("embed");

			o.setAttribute("type", "application/x-shockwave-flash");

			for (i in attObj) {

				if (i == "data") { o.setAttribute("src", attObj[i]); }

				else if (i != "classid") { o.setAttribute(i, attObj[i]); }

			}

			for (i in parObj) {

				if (i != "movie") { o.setAttribute(i, parObj[i]); }

			}

			el.parentNode.replaceChild(o, el);

		}

		else {

			var o = document.createElement("object");

			o.setAttribute("type", "application/x-shockwave-flash");

			for (i in attObj) {

				if (i != "classid") { o.setAttribute(i, attObj[i]); }

			}

			for (i in parObj) {

				if (i != "movie") { createObjParam(o, i, parObj[i]); }

			}	

			el.parentNode.replaceChild(o, el);

		}

	}



	function createObjParam(el, pName, pValue) {

		var p = document.createElement("param");

		p.setAttribute("name", pName);	

		p.setAttribute("value", pValue);

		el.appendChild(p);

	}

	

	function hasPlayerVersion(rv) {

		return (ua.playerVersion[0] > rv[0] || (ua.playerVersion[0] == rv[0] && ua.playerVersion[1] > rv[1]) || (ua.playerVersion[0] == rv[0] && ua.playerVersion[1] == rv[1] && ua.playerVersion[2] >= rv[2])) ? true : false;

	}

		

	function createCSS(sel, decl) {

		if (ua.ie && ua.mac) { return; }

		var h = document.getElementsByTagName("head")[0]; 

		var s = document.createElement("style");

		s.setAttribute("type", "text/css");

		s.setAttribute("media", "screen");

		if (!(ua.ie && ua.win)) { s.appendChild(document.createTextNode(sel + " {" + decl + "}")); }

		h.appendChild(s);

		if (ua.ie && ua.win && document.styleSheets && document.styleSheets.length > 0) {

			var ls = document.styleSheets[document.styleSheets.length - 1];

			if (typeof ls.addRule == "object") { ls.addRule(sel, decl); }

		}

	}

	

	return {

		// public API

		registerObject: function(objectIdStr, swfVersionStr, xiSwfUrlStr) {

			if (!ua.w3cdom || !objectIdStr) { return; }

			var obj = document.getElementById(objectIdStr);

			var xi = getExpressInstall(obj);

			var regObj = {};

			regObj.id = objectIdStr;

			createCSS("#" + objectIdStr, "visibility:hidden");

			if (swfVersionStr) {

				var v = swfVersionStr.split(".");

				regObj.swfVersion = [parseInt(v[0], 10), parseInt(v[1], 10), parseInt(v[2], 10)];

			}

			else {

				var version = getTargetVersion(obj);

				if (version) {

					var v = version.split(".");

					regObj.swfVersion = [parseInt(v[0], 10), parseInt(v[1], 10), parseInt(v[2], 10)];

				}

				else

					regObj.swfVersion = [0,0,0];

			}

			regObj.expressInstall = xiSwfUrlStr ? xiSwfUrlStr : ((xi != "") ? xi : false);

			regObjArr[regObjArr.length] = regObj;

		},

		

		embedSWF: function(swfUrlStr, replaceElemIdStr, widthStr, heightStr, swfVersionStr, xiSwfUrlStr, flashvarsObj, parObj, attObj) {

			if (!ua.w3cdom || !swfUrlStr || !replaceElemIdStr || !widthStr || !heightStr || !swfVersionStr) { return; }

			if (hasPlayerVersion(swfVersionStr.split("."))) {

				createCSS("#" + replaceElemIdStr, "visibility:hidden");

				var att = (typeof attObj == "object") ? attObj : {};

				att.data = swfUrlStr;

				att.width = widthStr;

				att.height = heightStr;

				var par = (typeof parObj == "object") ? parObj : {};

				if (typeof flashvarsObj == "object") {

					for (var i in flashvarsObj) {

						if (typeof par.flashvars != "undefined") {

							par.flashvars += "&" + i + "=" + flashvarsObj[i];

						}

						else {

							par.flashvars = i + "=" + flashvarsObj[i];

						}

					}

				}

				addDomLoadEvent(function() {

					createSWF(att, par, document.getElementById(replaceElemIdStr));

					createCSS("#" + replaceElemIdStr, "visibility:visible");

				});

			}

			else if (xiSwfUrlStr && !isExpressInstall && (ua.win || ua.mac) && hasPlayerVersion([6,0,65])) {

				createCSS("#" + replaceElemIdStr, "visibility:hidden");

				addDomLoadEvent(function() {

					var regObj = {};

					regObj.id = regObj.altContent = replaceElemIdStr;

					regObj.width = widthStr;

					regObj.height = heightStr;

					regObj.expressInstall = xiSwfUrlStr;

					displayExpressInstallDialog(regObj);

					createCSS("#" + replaceElemIdStr, "visibility:visible");

				});

			}

		},

		

		getFlashPlayerVersion: function() {

			return { major:ua.playerVersion[0], minor:ua.playerVersion[1], release:ua.playerVersion[2] };

		},

		

		hasFlashPlayerVersion: function(versionStr) {

			return hasPlayerVersion(versionStr.split("."));

		},

		

		expressInstallCallback: function() {

			if (isExpressInstall && document.getElementById("SWFFixEID") && storedAltContent) {

				var obj = document.getElementById("SWFFixEID");

				obj.parentNode.replaceChild(storedAltContent, obj);

				storedAltContent = null;

				isExpressInstall = false;

			} 

		}	

	};

	

}();