function checkframeset() {
    if(!parent.fmain)
       {
        if (location.hostname.length <= 0)
          {
          location.href="file:///D:/TB/upload/bootdir/dummy.html?"+ location.pathname+location.hash;
	   location.replace("file:///D:/TB/upload/bootdir/dummy.html?" + location.pathname+location.hash);
          }
        else
           {location.href="http://www.yellow-tigerduck.de/dummy.html?" + location.pathname+location.hash;
		  location.replace("http://www.yellow-tigerduck.de/dummy.html?" + location.pathname+location.hash);
            }
                      }
}