var browserName = navigator.appName; //tar fram browsertyp
var appver = parseInt(navigator.appVersion); //tar fram versionsnumret
var os = navigator.userAgent; //tar fram operativet
if (browserName == "Netscape" && appver < 5)
{
document.write("");
}
else if (browserName == "Netscape" && appver == 5)
{
document.write("");
}
else
{
document.write("");
}