// Code from the Macromedia Flash Detection Kit to detect Flash in JavaScript
// Some modifications have been made to remove redundant code (no need to test for < v6 of Flash)
// and also to stop strict JS warnings about assigning to undeclared variables

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;

// JavaScript helper required to detect Flash Player PlugIn version information
function JSGetSwfVer(i) {
	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];
			if (descArray[3] != "") {
				var tempArrayMinor = descArray[3].split("r");
			} else {
				var tempArrayMinor = descArray[4].split("r");
			}
      		var versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
            flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
		}
	return flashVer;
}

function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) {
 	var reqVer = parseFloat(reqMajorVer + "." + reqRevision);
	for (var i=25; i>0; i--) {
		if (isIE && isWin && !isOpera) {
			var versionStr = VBGetSwfVer(i);
		} else {
			var versionStr = JSGetSwfVer(i);
		}

		if (versionStr == -1) {
			return false;
		} else if (versionStr != 0) {
			if(isIE && isWin && !isOpera) {
				var tempArray		= versionStr.split(" ");
				var tempString		= tempArray[1];
				var versionArray	= tempString .split(",");
			} else {
				var versionArray	= versionStr.split(".");
			}
			var versionMajor	= versionArray[0];
			var versionMinor	= versionArray[1];
			var versionRevision	= versionArray[2];
			var versionString	= versionMajor + "." + versionRevision;   // 7.0r24 == 7.24
			var 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(false);
}

var requiredMajorVersion = 6;		// Major version of Flash required
var requiredMinorVersion = 0;		// Minor version of Flash required
var requiredRevision = 65;			// 	Revision of Flash required
function detectFlash() {
	return(DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision));
}