var detect = navigator.userAgent.toLowerCase();
var OS,browser,version,place,thestring;

function browser_detect()
{
	if (checkIt('konqueror'))
	{
		browser = "Konqueror";
		OS = "Linux";
	}
	else if (checkIt('opera')) 
		browser = "Opera";
	else if (checkIt('webtv')) 
		browser = "WebTV";
	else if (checkIt('icab')) 
		browser = "iCab";
	else if (checkIt('msie')) 
		browser = "Internet Explorer";
	else if (checkIt('gecko'))
		browser = "Netscape 6";
	else if (!checkIt('compatible'))
	{
		browser = "Netscape 4";
		version = detect.charAt(8);
	}
	else browser = "An unknown browser";
	
	if (!version) version = detect.charAt(place + thestring.length);
	
	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";
	}
}

function checkIt(string)
{
	place = detect.indexOf(string) + 1;
	thestring = string;
	return place;
}