var requiredVersion = 4;
var useRedirect = false;
var flash2Installed = false;
var flash3Installed = false;
var flash4Installed = false;
var flash5Installed = false;
var maxVersion = 5;
var actualVersion = 0;
var hasRightVersion = false;
var jsVersion = 1.0;


var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.indexOf("Windows") != -1) ? true : false;

jsVersion = 1.1;

if(isIE && isWin){ 
	document.write('<SCR' + 'IPT LANGUAGE=VBScript\> \n');
	document.write('on error resume next \n');
	document.write('flash2Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.2"))) \n');
	document.write('flash3Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.3"))) \n');
	document.write('flash4Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.4"))) \n');
	document.write('flash5Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.5"))) \n');	
	document.write('</SCR' + 'IPT\> \n'); 
}

function detectFlash(){	

	if (navigator.plugins){
		if (navigator.plugins["Shockwave Flash 2.0"] 
		|| navigator.plugins["Shockwave Flash"]){		
			var isVersion2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + isVersion2].description;

			var flashVersion = parseInt(flashDescription.charAt(flashDescription.indexOf(".") - 1));

			flash2Installed = flashVersion == 2;		
			flash3Installed = flashVersion == 3;
			flash4Installed = flashVersion == 4;
			flash5Installed = flashVersion == 5;
		}
	}
	
	for (var i = 2; i <= maxVersion; i++) {	
		if (eval("flash" + i + "Installed") == true) actualVersion = i;
	}

	if(navigator.userAgent.indexOf("WebTV") != -1) actualVersion = 2;	

	if (actualVersion >= requiredVersion) { 
		hasRightVersion = true;

		if (useRedirect) {	
			if(jsVersion > 1.0) {
				window.location.replace(flashPage);	
			} else {
				window.location = flashPage;
			}
		}
	} else {
	
		if (useRedirect) {	
			if(jsVersion > 1.0) {	
				window.location.replace((actualVersion >= 2) ? upgradePage : noFlashPage);
			} else {
				window.location = (actualVersion >= 2) ? upgradePage : noFlashPage;
			}
		}
	}
}


detectFlash();