//Check if the browser is InternetExplorer, and if it supports the getElementById DOM method
var ie = (document.defaultCharset && document.getElementById && !window.home);
var opera9 = false;
if (ie){
	//Check for ie 5.5 and exclude it from the script
	var ver=navigator.appVersion.split("MSIE")
	ver=parseFloat(ver[1])
	ie = (ver > 6)
}else if (navigator.userAgent.indexOf("Opera")!=-1) {
	//Check for Opera9 and include it in the ObjectSwap
	var versionindex=navigator.userAgent.indexOf("Opera")+6
	if (parseInt(navigator.userAgent.charAt(versionindex))>=9)
	opera9 = true;
}

//Perform ObjectSwap if the browser is IE or Opera (if not just check flashVersion)
var oswap = (ie || opera9)

//Hide the object to prevent it from loading twice
if (oswap){
	document.write ("<style id='hideObject'> object{display:none;} </style>");
}

/*Replace all flash objects on the page with the same flash object, 
by rewriting the outerHTML values
This bypasses the new IE ActiveX object activation issue*/
objectSwap = function(){
    var hasFlash = true;
    var bHasCommonFlash = detectFlash();    
    
	if (!document.getElementsByTagName){
		return;
	}
	//An array of ids for flash detection
	var stripQueue = [];
	
	//Get a list of all ActiveX objects
	var objects = document.getElementsByTagName('embed');
    var i =0;
    
	while (i < objects.length){			
		var o = objects[i];	
		var h = o.outerHTML ? o.outerHTML : o.type;
		h = h.toString().toLowerCase();
		
		// application/x-shockwave-flash
	    if(h.Contains("application/x-shockwave-flash") && !h.Contains('www.youtube.com') && !h.Contains('google') && !h.Contains('issuu') ){
	       if (bHasCommonFlash){	        
	            if(oswap && o.className.toLowerCase().indexOf ("noswap")<0){
	                //Get the tag and attributes part of the outer html of the object
		            var tag = h.split(">")[0] + ">";			
		            //Add up the various bits that comprise the object:
		            //The tag with the attributes, the params and it's inner html
		            var newObject = tag + o.innerHTML + "</EMBED>";	
		            //And rewrite the outer html of the tag 
		            stripFlash(o,newObject);
		        }
		        i ++;
	        }else{
                stripFlash(o);
	        }
	    }else{
	        i++;
	    }
	}

	//Get a list of all ActiveX objects
	var objects = document.getElementsByTagName('object');
	var i =0;
    
	while (i < objects.length){				
		var o = objects[i];	
		
		//The outer html omits the param tags, so we must retrieve and insert these separately
		var params = "";
		var hasFlash = bHasCommonFlash;
				
		for (var j = 0; j<o.childNodes.length; j++) {
			var p = o.childNodes[j];
			if (p.tagName == "PARAM"){
				//Check for version first - applies to all browsers
				//For this to work, a new param needs to be included in the object with the name "flashVersion" eg:
				//<param name="flashVersion" value="7" />
				if (p.name.toLowerCase() == "flashVersion"){
				   	hasFlash = detectFlash(p.value);					
				} 
				params += p.outerHTML;		       
			}		
		}
		
		if (hasFlash){
		    if (oswap && o.className.toLowerCase().indexOf ("noswap")<0){
		        // Firefox komt hier niet, vandaar dat outerhtml wel mag..
		        var h = o.outerHTML;
		        //Get the tag and attributes part of the outer html of the object
		        var tag = h.split(">")[0] + ">";			
		        //Add up the various bits that comprise the object:
		        //The tag with the attributes, the params and it's inner html
		        var newObject = tag + params + o.innerHTML + " </OBJECT>";	
		        //And rewrite the outer html of the tag 
		        stripFlash(o,newObject);
		    }
		    i++;
		}else{
		    stripFlash(o);
       	}
	}	
	
	//Make the objects visible again
	if (oswap){
		document.getElementById("hideObject").disabled = true;
	}
}

//Loop through an array of ids to strip
//Replace the object by a div tag containing the same innerHTML.
//To display an alternative image, message for the user or a link to the flash installation page, place it inside the object tag.  
//For the usual object/embed pairs it needs to be enclosed in comments to hide from gecko based browsers.
stripFlash = function (o, sNewHTML){
	if (!document.createElement){
		return;
	}
	
	var newHTML = '';
	
	if (!sNewHTML){
	    //Strip the comments
	    newHTML += '<a href=http://www.adobe.com/go/getflash/><img src="buttons/flashplayer_install.jpg" /></a>';
    }else{
        newHTML = sNewHTML;
    }
    
	//Create a new div element with properties from the object
	var d = document.createElement("div");
	d.innerHTML = newHTML;
	d.className = o.className;
	d.id = o.id;
	//And swap the object with the new div
	o.parentNode.replaceChild(d, o);
}

//Initiate the function without conflicting with the window.onload event of any preceding scripts
var tempFunc = window.onload;
window.onload = function(){
	if (typeof (tempFunc) == "function"){
		try{
			tempFunc();
		} catch(e){}
	}
	objectSwap();
}


detectFlash = function(version){
   return DetectFlashVer(version);
}


// Detection of flash..
function ControlVersion()
{
	var version;
	var axo;
	var e;

	// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

	try {
		// version will be set for 7.X or greater players
		axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		version = axo.GetVariable("$version");
	} catch (e) {
	}

	if (!version)
	{
		try {
			// version will be set for 6.X players only
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
			
			// installed player is some revision of 6.0
			// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
			// so we have to be careful. 
			
			// default to the first public version
			version = "WIN 6,0,21,0";

			// throws if AllowScripAccess does not exist (introduced in 6.0r47)		
			axo.AllowScriptAccess = "always";

			// safe to call for 6.0r47 or greater
			version = axo.GetVariable("$version");

		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 4.X or 5.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 3.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = "WIN 3,0,18,0";
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 2.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			version = "WIN 2,0,0,11";
		} catch (e) {
			version = -1;
		}
	}
	
	return version;
}

// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer(){
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	var flashVer = -1;
	
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
			var descArray = flashDescription.split(" ");
			var tempArrayMajor = descArray[2].split(".");			
			var versionMajor = tempArrayMajor[0];
			var versionMinor = tempArrayMajor[1];
			var versionRevision = descArray[3];
			if (versionRevision == "") {
				versionRevision = descArray[4];
			}
			if (versionRevision[0] == "d") {
				versionRevision = versionRevision.substring(1);
			} else if (versionRevision[0] == "r") {
				versionRevision = versionRevision.substring(1);
				if (versionRevision.indexOf("d") > 0) {
					versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
				}
			}
			var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
			
		}
	}
	// MSN/WebTV 2.6 supports Flash 4
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
	// WebTV 2.5 supports Flash 3
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
	// older WebTV supports Flash 2
	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
	else if (VWABrowserInfo.IsIE && VWABrowserInfo.IsWin && !VWABrowserInfo.IsOpera ) {
		flashVer = ControlVersion();
	}	
	return flashVer;
}

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
{
	versionStr = GetSwfVer();
	if (versionStr == -1 ) {
		return false;
	} else if (versionStr != 0) {
	    if (!reqMajorVer)
	        return true;
	
		if(VWABrowserInfo.IsIE && VWABrowserInfo.IsWin && !VWABrowserInfo.IsOpera) {
			// Given "WIN 2,0,0,11"
			tempArray         = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
			tempString        = tempArray[1];			// "2,0,0,11"
			versionArray      = tempString.split(",");	// ['2', '0', '0', '11']
		} else {
			versionArray      = versionStr.split(".");
		}
		var versionMajor      = versionArray[0];
		var versionMinor      = versionArray[1];
		var versionRevision   = versionArray[2];

        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
		if (versionMajor > parseFloat(reqMajorVer)) {
			return true;
		} else if (versionMajor == parseFloat(reqMajorVer)) {
			if ((versionMinor > parseFloat(reqMinorVer)) || !reqMinorVer)
				return true;
			else if (versionMinor == parseFloat(reqMinorVer)) {
				if ((versionRevision >= parseFloat(reqRevision)) || !reqRevision)
					return true;
			}
		}
		return false;
	}
}