/*! SWFObject v2.1 <http://code.google.com/p/swfobject/>
	Copyright (c) 2007-2008 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>
	
	Redux by Richard Kimber, 2008.
*/

var $so = 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

	regObjArr = [],
		objIdArr = [];

	/* 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,
			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 && !(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+
				d = d.replace(/^.*\s+(\S+\s+\S+$)/, "$1");
				playerVersion[0] = parseInt(d.replace(/^(.*)\..*$/, "$1"), 10);
				playerVersion[1] = parseInt(d.replace(/^.*\.(.*)\s.*$/, "$1"), 10);
				playerVersion[2] = /r/.test(d) ? parseInt(d.replace(/^.*r(.*)$/, "$1"), 10) : 0;
			}
		}
		else if (typeof win.ActiveXObject != UNDEF) {
			var a = null, fp6Crash = false;
			try {
				a = new ActiveXObject(SHOCKWAVE_FLASH_AX + ".7");
			}
			catch (e) {
				try {
					a = new ActiveXObject(SHOCKWAVE_FLASH_AX + ".6");
					playerVersion = [6, 0, 21];
					a.AllowScriptAccess = "always";  // Introduced in fp6.0.47
				}
				catch (e) {
					if (playerVersion[0] == 6) {
						fp6Crash = true;
					}
				}
				if (!fp6Crash) {
					try {
						a = new ActiveXObject(SHOCKWAVE_FLASH_AX);
					}
					catch (e) { }
				}
			}
			if (!fp6Crash && a) { // a will return null when ActiveX is disabled
				try {
					d = a.GetVariable("$version"); // Will crash fp6.0.21/23/29
					if (d) {
						d = d.split(" ")[1].split(",");
						playerVersion = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
					}
				}
				catch (e) { }
			}
		}
		var u = nav.userAgent.toLowerCase(),
			p = nav.platform.toLowerCase(),
			webkit = /webkit/.test(u) ? parseFloat(u.replace(/^.*webkit\/(\d+(\.\d+)?).*$/, "$1")) : false, // returns either the webkit version or false if not webkit
			ie = false,
			windows = p ? /win/.test(p) : /win/.test(u),
			mac = p ? /mac/.test(p) : /mac/.test(u);
		/*@cc_on
		ie = true;
		@if (@_win32)
		windows = true;
		@elif (@_mac)
				mac = true;
			@end
		@*/
		return { w3cdom: w3cdom, pv: playerVersion, webkit: webkit, ie: ie, win: windows, mac: mac };
	} ();

	/* Cross-browser dynamic SWF creation
	*/
	function createSWF(attObj, parObj, id) {
		var r, el;
		el = (typeof id.nodeName == UNDEF ? getElementById(id) : id);
		if (el) {
			id = el.getAttribute("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.toLowerCase() == "data") {
							parObj.movie = attObj[i];
						}
						else if (i.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
							att += ' class="' + attObj[i] + '"';
						}
						else if (i.toLowerCase() != "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>';
				objIdArr[objIdArr.length] = attObj.id; // Stored to fix object 'leaks' on unload (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.toLowerCase() == "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.toLowerCase() != "classid") { // Filter out IE specific attribute
							e.setAttribute(k, attObj[k]);
						}
					}
				}
				for (var l in parObj) {
					if (parObj[l] != Object.prototype[l]) { // Filter out prototype additions from other potential libraries
						if (l.toLowerCase() != "movie") { // Filter out IE specific param element
							e.setAttribute(l, parObj[l]);
						}
					}
				}
				el.parentNode.replaceChild(e, el);
				r = e;
			}
			else { // Well-behaving browsers
				var o = createElement(OBJECT);
				o.setAttribute("type", FLASH_MIME_TYPE);
				for (var m in attObj) {
					if (attObj[m] != Object.prototype[m]) { // Filter out prototype additions from other potential libraries
						if (m.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
							o.setAttribute("class", attObj[m]);
						}
						else if (m.toLowerCase() != "classid") { // Filter out IE specific attribute
							o.setAttribute(m, attObj[m]);
						}
					}
				}
				for (var n in parObj) {
					if (parObj[n] != Object.prototype[n] && n.toLowerCase() != "movie") { // Filter out prototype additions from other potential libraries and IE specific param element
						createObjParam(o, n, parObj[n]);
					}
				}
				el.parentNode.replaceChild(o, el);
				r = o;
			}
		}
		return r;
	};

	function createObjParam(el, pName, pValue) {
		var p = createElement("param");
		p.setAttribute("name", pName);
		p.setAttribute("value", pValue);
		el.appendChild(p);
	};

	/* Cross-browser SWF removal
	- Especially needed to safely and completely remove a SWF in Internet Explorer
	*/
	function removeSWF(id) {
		var obj = getElementById(id);
		if (obj && (obj.nodeName == "OBJECT" || obj.nodeName == "EMBED")) {
			if (ua.ie && ua.win) {
				if (obj.readyState == 4) {
					removeObjectInIE(id);
				}
				else {
					win.attachEvent("onload", function() {
						removeObjectInIE(id);
					});
				}
			}
			else {
				obj.parentNode.removeChild(obj);
			}
		}
	};

	function removeObjectInIE(id) {
		var obj = getElementById(id);
		if (obj) {
			for (var i in obj) {
				if (typeof obj[i] == "function") {
					obj[i] = null;
				}
			}
			obj.parentNode.removeChild(obj);
		}
	};

	/* Flash Player and SWF content version matching
	*/
	function hasPlayerVersion(rv) {
		var pv = ua.pv, v = rv.split(".");
		v[0] = parseInt(v[0], 10);
		v[1] = parseInt(v[1], 10) || 0; // supports short notation, e.g. "9" instead of "9.0.0"
		v[2] = parseInt(v[2], 10) || 0;
		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;
	};

	/* Functions to optimize JavaScript compression
	*/
	function getElementById(id) {
		var el = null;
		try {
			el = doc.getElementById(id);
		}
		catch (e) { }
		return el;
	};

	function createElement(el) {
		return doc.createElement(el);
	};

	return {
		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) {
				return createSWF(attObj, parObj, replaceElemIdStr);
			}
			else {
				return undefined;
			}
		},

		removeSWF: function(objElemIdStr) {
			if (ua.w3cdom) {
				removeSWF(objElemIdStr);
			}
		},

		// For internal usage only
		expressInstallCallback: function() {
			alert("so");
		}
	};
} ();