if (navigator.appName && navigator.appName.indexOf("Microsoft") != -1 &&
        navigator.userAgent.indexOf("Windows") != -1 &&
        navigator.userAgent.indexOf("Windows 3.1") == -1) {
   document.write('<script type="text/vbscript"> \n');
   document.write('on error resume next \n');
   document.write('Sub flashlayerad_FSCommand(ByVal befehl, ByVal divid)\n');
   document.write('  call flashlayerad_DoFSCommand(befehl, divid)\n');
   document.write('end sub\n');
   document.write('</script\> \n');
}

function flashlayerad_DoFSCommand(befehl, divid) {
    document.getElementById('layerad').style.display='none';
}

window.setTimeout("flashlayerad_DoFSCommand('close', 'layerad')", 13000);