var hoehe,breite,bplatform,bversion,bname,buser,version_string,version_float,version_zahl;

hoehe=screen.height;
breite=screen.width;
bplatform=navigator.platform;
bversion=navigator.appVersion;
bname=navigator.appName;
buser=navigator.userAgent;
version_string=bversion.substring(0,4);
version_zahl=parseInt(version_string);
version_float=parseFloat(version_string);

if(bname =='Netscape' && version_zahl<5 )
{document.write("<link rel='stylesheet' type='text/css' href='css/netscape.css'>");
window.self.open('netscape.html','_self');
}