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

    function checkIt(string){
	  place = detect.indexOf(string) + 1;
	  thestring = string;
	  return 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 = "Microsoft Internet Explorer"
    else if (!checkIt('compatible')){
	  browser = "Netscape Navigator"
	  version = detect.charAt(8);
   }
else browser = "An unknown browser";

if (navigator.appName=="Netscape"){
   document.write('<link rel="stylesheet" href="css/ffstyle.css" type="text/css" />'); 
}else if(navigator.appName=="Microsoft Internet Explorer"){
	document.write('<link rel="stylesheet" href="css/iestyle.css" type="text/css" />');
}else if(navigator.appName=="Opera"){
}