var Pfad = self.location.href;
if (Pfad.indexOf("index.htm") && !parent.frames.length) {
  var xxx = Pfad.indexOf;
  var Datei = Pfad.slice(Pfad.lastIndexOf("/") + 1);
  document.close();
  with (document) {
    open();
    writeln('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN">');
    writeln('<html><head><title>Frameset-Beispiel </title></head>');
    writeln('<frameset framespacing="0" border="0" frameborder="0" cols="140,*" >');
    writeln('<frame name="LeftFrame" src="Navigation.htm" scrolling="auto" marginwidth="5" marginheight="5">'); 
    writeln('	<frameset rows="18%">'); 
    writeln('<frame name="MainFrame" src="' + Datei + '?frameset"  scrolling="auto" target="_self" noresize>'); 
     writeln('<'+'/frameset>');    
    writeln('<'+'/frameset><'+'/html>');
    close();

  }
}
