browser = navigator.appName;
version = navigator.appVersion;
os = navigator.platform;
ie = "Microsoft Internet Explorer";
nn = "Netscape";
if (browser == nn) {
if(document.layers) {
document.write('');
}
else if(document.getElementById) { //Netscape 6+
document.write('');
}
}
else {
document.write('');
}