bName = navigator.appName;
 bVer = parseInt(navigator.appVersion);
	if      (bName == "Netscape" && bVer == 1) ver = "n1";
	else if (bName == "Netscape" && bVer == 2) ver = "n2";
	else if (bName == "Netscape" && bVer == 3) ver = "n3";
	else if (bName == "Netscape" && bVer == 4) ver = "n4";
	else if (bName == "Microsoft Internet Explorer" && bVer == 2) ver = "e2";
	else if (bName == "Microsoft Internet Explorer" && bVer == 3) ver = "e3";
	else if (bName == "Microsoft Internet Explorer" && bVer == 4) ver = "e4";
	else ver = "other";

 if (ver=="e4")  document.write('<link href="fn.css" rel="stylesheet" type="text/css">'); 
 if (ver=="other")  document.write('<link href="default.css" rel="stylesheet" type="text/css"><link href="images/fn.ico" rel="shortcut icon">'); 
 else if (ver=="n4")  document.write('<link href="default.css" rel="stylesheet" type="text/css"><link href="images/fn.ico" rel="shortcut icon">');