//check for isBrowserOK browsers (from http://www.quirksmode.org/js/detect.html)
	var detect = navigator.userAgent.toLowerCase();
	var OS,browser,version,total,thestring,place,minorVersion;

	function checkIt(string)
	{
		place = detect.indexOf(string) + 1;
		thestring = string;
		return place;
	}
	
	function getVersions()
	{
		//find the next "." after the browser name
		startPos = place + thestring.length;
		tempString = detect.substring(startPos);		
		dotPos = tempString.indexOf(".") + startPos;

		version = detect.substring(startPos, dotPos);
		minorVersion = detect.charAt(startPos + version.length + 1);
	}

	var isBrowserOK = false;	
	
	try
	{
		if (checkIt('konqueror'))
		{
			browser = "Konqueror";
			OS = "Linux";
		}
		else if (checkIt('safari')) browser = "Safari";
		else if (checkIt('omniweb')) browser = "OmniWeb";
		else if (checkIt('opera')) browser = "Opera";
		else if (checkIt('webtv')) browser = "WebTV";
		else if (checkIt('icab')) browser = "iCab";
		else if (checkIt('firefox')) browser = "Firefox";
		else if (checkIt('netscape')) browser = "Netscape";
		else if (checkIt('msie')) browser = "IE";
		else browser = "An unknown browser";

		if (!version) getVersions();

		if (!OS)
		{
			if (checkIt('linux')) OS = "Linux";
			else if (checkIt('x11')) OS = "Unix";
			else if (checkIt('mac')) OS = "Mac"
			else if (checkIt('win')) OS = "Windows"
			else OS = "an unknown operating system";
		}

		//any firefox on any OS, windows ie 6 or above, windows netscape 7.2 or above, mac safari any version
		if
		(
			(browser == "Firefox") ||
			(OS == "Windows" && browser == "IE" && version >= 6) ||
			(OS == "Windows" && browser == "Netscape" && (version >= 8 || (version == 7 && minorVersion >= 2))) ||
			(OS == "Mac" && browser == "Safari")
		)
		{
			isBrowserOK = true;
		}
	}
	catch (x)
	{

	}
	
	if (isBrowserOK == false)
		top.location.href = "UnsupportedBrowser.htm";	
		
	document.cookie = "testcookie=true";	
	if (document.cookie.indexOf("testcookie") == -1)
		top.location.href = "CookiesDisabled.htm";