
// THE FOLLOWING DEVELOPMENT BY: MICHAEL LEAHY - WELK RESORTS WEB SYSTEMS MANAGER

	// Globals
	// Major version of Flash required
	var requiredMajorVersion = 7;
	// Minor version of Flash required
	var requiredMinorVersion = 0;
	// Revision of Flash required
	var requiredRevision = 0;
	// the version of javascript supported
	var jsVersion = 1.0;
	
	
	// Detect Client Browser type
	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;
	jsVersion = 1.1;
	// JavaScript helper required to detect Flash Player PlugIn version information
	function JSGetSwfVer(i){
		// NS/Opera version >= 3 check for Flash plugin in plugin array
		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;
				descArray = flashDescription.split(" ");
				tempArrayMajor = descArray[2].split(".");
				versionMajor = tempArrayMajor[0];
				versionMinor = tempArrayMajor[1];
				if ( descArray[3] != "" ) {
					tempArrayMinor = descArray[3].split("r");
				} else {
					tempArrayMinor = descArray[4].split("r");
				}
	      		versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
	            flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
	      	} else {
				flashVer = -1;
			}
		}
		// 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;
		// Can't detect in all other cases
		else {
			
			flashVer = -1;
		}
		return flashVer;
	} 
	// If called with no parameters this function returns a floating point value 
	// which should be the version of the Flash Player or 0.0 
	// ex: Flash Player 7r14 returns 7.14
	// If called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
	function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) {
	 	reqVer = parseFloat(reqMajorVer + "." + reqRevision);
	   	// loop backwards through the versions until we find the newest version	
		for (i=25;i>0;i--) {	
			if (isIE && isWin && !isOpera) {
				versionStr = VBGetSwfVer(i);
			} else {
				versionStr = JSGetSwfVer(i);		
			}
			if (versionStr == -1 ) { 
				return false;
			} else if (versionStr != 0) {
				if(isIE && isWin && !isOpera) {
					tempArray         = versionStr.split(" ");
					tempString        = tempArray[1];
					versionArray      = tempString .split(",");				
				} else {
					versionArray      = versionStr.split(".");
				}
				versionMajor      = versionArray[0];
				versionMinor      = versionArray[1];
				versionRevision   = versionArray[2];
				
				versionString     = versionMajor + "." + versionRevision;   // 7.0r24 == 7.24
				versionNum        = parseFloat(versionString);
	        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
				if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
					return true;
				} else {
					return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );	
				}
			}
		}	
		return (reqVer ? false : 0.0);
	}
