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 = 0;
		}
	}
	// 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;
} 


// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer() {

	
	// loop backwards through the versions until we find the newest version	
	for (i=25;i>0;i--) {
	
		// call the correct function based on the browser type
		if (isIE && isWin && !isOpera) {
			versionStr = VBGetSwfVer(i);
		} else {
			versionStr = JSGetSwfVer(i);		
		}
		
		// unable to detect
		if (versionStr == -1 ) {
			foundMajorVersion = -1;
			break;
		} 
		
		// found a version
		else if (versionStr != 0) {
		
			// split the version string into an array
			if(isIE && isWin && !isOpera) {
				tempArray = versionStr.split(" ");
				tempString = tempArray[1];
				versionArray = tempString.split(",");				
			}
			else {
				versionArray = versionStr.split(".");
			}

			foundMajorVersion = versionArray[0];
			foundMinorVersion = versionArray[1];
			foundRevision = versionArray[2];
			break;
		}
		
		// able to detect but the user does not have flash
		else if ((versionStr == 0) && (i <= 1)) {
			break;
		}
	}	
}


function CompareFlashVer() {
 	var requiredVersionFloat = parseFloat(requiredMajorVersion + "." + requiredMinorVersion);
	var foundVersionFloat = parseFloat(foundMajorVersion + "." + foundMinorVersion);
	
	if (foundVersionFloat >= requiredVersionFloat) { return true; }
	else { return false; }
}

function WriteFlashCookie() {
	var cookieValueString;

	if ((foundMajorVersion == 0) || (foundMajorVersion == -1)) {
		createCookie('fsFlashStatus',foundMajorVersion,365);
	}
	else {
		var cookieValueString = '1|' + foundMajorVersion + '|' + foundMinorVersion + '|' + foundRevision;
		createCookie('fsFlashStatus', cookieValueString, 365);
	}
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}