/* SWFObject v2.0: Flash Player detection and embed - http://blog.deconcept.com/swfobject/
 *
 * SWFObject is (c) 2006 Geoff Stearns and is released under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php */
 
if (typeof deconcept == "undefined") 
	var deconcept = new Object();
	
if (typeof deconcept.util == "undefined") 
	deconcept.util = new Object();
	
if (typeof deconcept.SWFObjectUtil == "undefined") 
	deconcept.SWFObjectUtil = new Object();
	
deconcept.SWFObject = function(swf, id, w, h, ver, color, quality, xiRedirectUrl, redirectUrl, detectKey) 
{
	if (!document.getElementById) 
		return;
		
	this.DETECT_KEY = detectKey ? detectKey : 'detectflash';
	this.skipDetect = deconcept.util.getRequestParameter(this.DETECT_KEY);
	this.params = new Object();
	this.variables = new Object();
	this.attributes = new Array();
	if (swf)
		this.setAttribute('swf', swf);
		
	if (id)
		this.setAttribute('id', id);
		
	if (w)
		this.setAttribute('width', w);
	
	if (h)
		this.setAttribute('height', h);
		
	if (ver)
		this.setAttribute('version', new deconcept.PlayerVersion(ver.toString().split(".")));
		
	this.installedVer = deconcept.SWFObjectUtil.getPlayerVersion();
	if (!window.opera && document.all && (this.installedVer.major > 7))
	{
		// only add the onunload cleanup if the Flash Player version supports External Interface and we are in IE
		deconcept.SWFObject.doPrepUnload = true;
	}
	
	if (color)
		this.addParam('bgcolor', color);
		
	var q = quality ? quality : 'high';
	this.addParam('quality', q);
	this.setAttribute('useExpressInstall', false);
	this.setAttribute('doExpressInstall', false);
	var xir = (xiRedirectUrl) ? xiRedirectUrl : window.location;
	this.setAttribute('xiRedirectUrl', xir);
	this.setAttribute('redirectUrl', '');
	if (redirectUrl)
		this.setAttribute('redirectUrl', redirectUrl);
}

deconcept.SWFObject.prototype = {
	useExpressInstall: function(path) 
	{
		this.xiSWFPath = !path ? "expressinstall.swf" : path;
		this.setAttribute('useExpressInstall', true);
	},
	setAttribute: function(name, value)
	{
		this.attributes[name] = value;
	},
	getAttribute: function(name){
		return this.attributes[name];
	},
	addParam: function(name, value)
	{
		this.params[name] = value;
	},
	getParams: function()
	{
		return this.params;
	},
	addVariable: function(name, value)
	{
		this.variables[name] = value;
	},
	getVariable: function(name)
	{
		return this.variables[name];
	},
	getVariables: function()
	{
		return this.variables;
	},
	getVariablePairs: function()
	{
		var variablePairs = new Array();
		var key;
		var variables = this.getVariables();
		for(key in variables){
			variablePairs.push(key +"="+ variables[key]);
		}
		return variablePairs;
	},
	getSWFHTML: function() 
	{
		var swfNode = "";
		if (navigator.plugins && navigator.mimeTypes && navigator.mimeTypes.length) 
		{ 
			// netscape plugin architecture
			if (this.getAttribute("doExpressInstall")) 
			{
				this.addVariable("MMplayerType", "PlugIn");
				this.setAttribute('swf', this.xiSWFPath);
			}
			
			swfNode = '<embed type="application/x-shockwave-flash" src="'+ this.getAttribute('swf') +'" width="'+ this.getAttribute('width') +'" height="'+ this.getAttribute('height') +'"';
			swfNode += ' id="'+ this.getAttribute('id') +'" name="'+ this.getAttribute('id') +'" ';
			var params = this.getParams();
			for (var key in params)
			{ 
				swfNode += [key] +'="'+ params[key] +'" '; 
			}
			
			var pairs = this.getVariablePairs().join("&");
			if (pairs.length > 0)
				swfNode += 'flashvars="'+ pairs +'"';
			swfNode += '/>';
		} 
		else 
		{ 
			// PC IE
			if (this.getAttribute("doExpressInstall")) 
			{
				this.addVariable("MMplayerType", "ActiveX");
				this.setAttribute('swf', this.xiSWFPath);
			}
			
			swfNode = '<object id="'+ this.getAttribute('id') +'" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="'+ this.getAttribute('width') +'" height="'+ this.getAttribute('height') +'">';
			swfNode += '<param name="movie" value="'+ this.getAttribute('swf') +'" />';
			var params = this.getParams();
			for (var key in params) 
			{
			 	swfNode += '<param name="'+ key +'" value="'+ params[key] +'" />';
			}
			
			var pairs = this.getVariablePairs().join("&");
			if (pairs.length > 0) 
				swfNode += '<param name="flashvars" value="'+ pairs +'" />';
				
			swfNode += "</object>";
		}
		return swfNode;
	},
	write: function(elementId)
	{
		if (this.getAttribute('useExpressInstall')) 
		{
			// check to see if we need to do an express install
			var expressInstallReqVer = new deconcept.PlayerVersion([6,0,65]);
			if (this.installedVer.versionIsValid(expressInstallReqVer) && !this.installedVer.versionIsValid(this.getAttribute('version'))) 
			{
				this.setAttribute('doExpressInstall', true);
				this.addVariable("MMredirectURL", escape(this.getAttribute('xiRedirectUrl')));
				document.title = document.title.slice(0, 47) + " - Flash Player Installation";
				this.addVariable("MMdoctitle", document.title);
			}
		}
		
		if (this.skipDetect || this.getAttribute('doExpressInstall') || this.installedVer.versionIsValid(this.getAttribute('version')))
		{
			var n = (typeof elementId == 'string') ? document.getElementById(elementId) : elementId;
			n.innerHTML = this.getSWFHTML();
			return true;
		}
		else
		{
			if (this.getAttribute('redirectUrl') != "")
				document.location.replace(this.getAttribute('redirectUrl'));
		}
		return false;
	}
}

/* ---- detection functions ---- */
deconcept.SWFObjectUtil.getPlayerVersion = function()
{
	var PlayerVersion = new deconcept.PlayerVersion([0,0,0]);
	if (navigator.plugins && navigator.mimeTypes.length)
	{
		var x = navigator.plugins["Shockwave Flash"];
		if (x && x.description) 
			PlayerVersion = new deconcept.PlayerVersion(x.description.replace(/([a-zA-Z]|\s)+/, "").replace(/(\s+r|\s+b[0-9]+)/, ".").split("."));
	}
	else
	{
		// do minor version lookup in IE, but avoid fp6 crashing issues
		// see http://blog.deconcept.com/2006/01/11/getvariable-setvariable-crash-internet-explorer-flash-6/
		try
		{
			var axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		}
		catch(e)
		{
			try 
			{
				var axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
				PlayerVersion = new deconcept.PlayerVersion([6,0,21]);
				axo.AllowScriptAccess = "always"; // throws if player version < 6.0.47 (thanks to Michael Williams @ Adobe for this code)
			} 
			catch(e) 
			{
				if (PlayerVersion.major == 6)
					return PlayerVersion;
			}

			try 
			{
				axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			} 
			catch(e) {}
		}
		
		if (axo != null) 
			PlayerVersion = new deconcept.PlayerVersion(axo.GetVariable("$version").split(" ")[1].split(","));
	}
	return PlayerVersion;
}

deconcept.PlayerVersion = function(arrVersion)
{
	this.major = arrVersion[0] != null ? parseInt(arrVersion[0]) : 0;
	this.minor = arrVersion[1] != null ? parseInt(arrVersion[1]) : 0;
	this.rev = arrVersion[2] != null ? parseInt(arrVersion[2]) : 0;
}

deconcept.PlayerVersion.prototype.versionIsValid = function(fv)
{
	if(this.major < fv.major) return false;
	if(this.major > fv.major) return true;
	if(this.minor < fv.minor) return false;
	if(this.minor > fv.minor) return true;
	if(this.rev < fv.rev) return false;
	return true;
}

/* ---- get value of query string param ---- */
deconcept.util = {
	getRequestParameter: function(param) 
	{
		var q = document.location.search || document.location.hash;
		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 "";
	}
}

/* fix for video streaming bug */
deconcept.SWFObjectUtil.cleanupSWFs = function() 
{
	var objects = document.getElementsByTagName("OBJECT");
	for (var i=0; i < objects.length; i++) 
	{
		objects[i].style.display = 'none';
		for (var x in objects[i]) 
		{
			if (typeof objects[i][x] == 'function')
				objects[i][x] = function(){};
		}
	}
}

// fixes bug in fp9 see http://blog.deconcept.com/2006/07/28/swfobject-143-released/
if (deconcept.SWFObject.doPrepUnload) 
{
	deconcept.SWFObjectUtil.prepUnload = function() 
	{
		__flash_unloadHandler = function(){};
		__flash_savedUnloadHandler = function(){};
		window.attachEvent("onunload", deconcept.SWFObjectUtil.cleanupSWFs);
	}
	window.attachEvent("onbeforeunload", deconcept.SWFObjectUtil.prepUnload);
}

/* add Array.push if needed (ie5) */
if (Array.prototype.push == null) 
{ 
	Array.prototype.push = function(item) { this[this.length] = item; return this.length; }
}

/* add some aliases for ease of use/backwards compatibility */
var getQueryParamValue = deconcept.util.getRequestParameter;
var FlashObject = deconcept.SWFObject; // for legacy support
var SWFObject = deconcept.SWFObject;
