var ifFlashCheck = function() {
	// Erforderliche Hauptversion von Flash
	var requiredMajorVersion = 9;
	// Erforderliche Unterversion von Flash
	var requiredMinorVersion = 0;
	// Erforderliche Flash-Revision
	var requiredRevision = 115;
	
	var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
	var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
	var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
	
	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 ( isIE && isWin && !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(isIE && isWin && !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))
					return true;
				else if (versionMinor == parseFloat(reqMinorVer)) {
					if (versionRevision >= parseFloat(reqRevision))
						return true;
				}
			}
			return false;
		}
	}

	var loeweStage = $('loeweStageSmall');
	var stageObj;
	var navObj;
	var eyeCatcherObj;
	var flashObj;
	
	if(loeweStage == null) {
		loeweStage = $('loeweStageTall');
		if (loeweStage == null) {
			loeweStage = $('loeweStage');
		}
	}
	if (loeweStage != null) {
		stageObj = loeweStage.getElement('div.loeweStage');
		navObj = loeweStage.getElement('div.loeweMainNav');
		eyeCatcherObj = loeweStage.getElement('div.loeweEyeCatcherText');
		flashObj = loeweStage.getElement('div.loeweMainFlash');
		if (flashObj == null) {
			flashObj = loeweStage.getElement('div.loeweHomeFlash');
		}
		
		var hasRightVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
		
		if (hasRightVersion) {
			if ($chk(flashObj)) {
				flashObj.setStyle('display', 'block');
			}
			if ($chk(stageObj)) {
				stageObj.setStyle('background', 'none');
			}
			if ($chk(navObj)) {
				navObj.setStyle('display', 'none');
			}
			if ($chk(eyeCatcherObj)) {
				eyeCatcherObj.setStyle('display', 'none');
			}
		}
		else {
			if($chk($('loeweConfigurator'))) {
				//alert('Konfigurator');
				stageObj.setStyle('background', 'none');
				var needFlashH3 = new Element('h3', {
					'class':'stagedescBottom',
					'html':whenYouNeedFlashH3,
					'styles': {
						'font-size':'18px',
						'font-weight':'normal'
					}
				});
				var needFlashA = new Element('a', {
					'html':whenYouNeedFlashA,
					'href':'http://www.adobe.com/go/DE-H-M-A2',
					'target':'_blank'
				});
				eyeCatcherObj.grab(needFlashH3);
				eyeCatcherObj.grab(needFlashA);
			} else {
				flashObj.empty();	
			}
		}
	}
};