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

if (browser == "Internet Explorer") document.write("<link href='/css/screen/ie.css' rel='stylesheet' type='text/css' media='screen' />");
if (browser == "Safari") document.write("<link href='/css/screen/safari.css' rel='stylesheet' type='text/css' media='screen' />");

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