browserName = navigator.appName;
     browserVer = parseInt(navigator.appVersion);
   		if ((browserName == "Netscape" && browserVer >= 3)||(browserName == "Microsoft Internet Explorer" && browserVer >=4)) version = "n3"; 
        else version = "n2"; 	
        if (version == "n3") {	
	 
}

function change(s) {
	var d = s.options[s.selectedIndex].value;
	window.top.location.href = d;
	s.selectedIndex=0;
   }