var detect = navigator.userAgent.toLowerCase();
var OS,browser,version,thestring;
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('msie')) { browser = "Internet Explorer" }
else if (!checkIt('compatible')) {
	browser = "Netscape Navigator"
	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;
}