var detect = navigator.userAgent.toLowerCase();
       var OS,browser,version,total,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;
       }
	   
	   //alert(OS + " " + browser);