browser = navigator.appName;
version = navigator.appVersion;
os = navigator.platform;
ie = "Microsoft Internet Explorer";
nn = "Netscape";

if (browser == nn) {
        document.write('<link rel=stylesheet type="text/css" href="/menu/netscape.css" title=master>');
}

else {
        document.write('<link rel=stylesheet type="text/css" href="/menu/default.css" title=master>');
}