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.substring(16));
			flash2Installed = flashVersion == 2;    
			flash3Installed = flashVersion == 3;
			flash4Installed = flashVersion == 4;
			flash5Installed = flashVersion == 5;
			flash6Installed = flashVersion == 6;
			flash7Installed = flashVersion == 7;
			flash8Installed = flashVersion == 8;
			flash9Installed = flashVersion >= 9;
		}
	}
	for (var i = 2; i <= maxVersion; i++) {  
		if (eval("flash" + i + "Installed") == true) actualVersion = i;
	}
	if(navigator.userAgent.indexOf("WebTV") != -1) actualVersion = 4;  
	if (actualVersion >= requiredVersion) {
		if (useRedirect) {
			if(jsVersion > 1.0) {
				window.location.replace(flashPage);  
			} else {
				window.location = flashPage;
			}
		}
		hasRightVersion = true;                
	} else {  
		if (useRedirect) {
			if(jsVersion > 1.0) {
				window.location.replace((actualVersion >= 2) ? upgradePage : noFlashPage);
			} else {
				window.location = (actualVersion >= 2) ? upgradePage : noFlashPage;
			}
		}
	}
}
detectFlash();