function Start()
{
 if(BrowserName == "Microsoft Internet Explorer")
                document.location.href="index1.htm"
        else
                document.location.href="index1.htm";
}
var BrowserName = navigator.appName;var BrowserVersion = navigator.appVersion;
document.write("Erkenne Browser: " + BrowserName.bold() + "; Version: " + BrowserVersion);
window.setTimeout("Start()",4000);