function Clear()
   {
     if(parent.frames.length == 0) {
	window.location.href="../index.htm";
	return;
     }
     parent.MenueLeiste.location.href = "blank.htm"
   }
  function Init_Frame()
   {
     if(parent.frames.length == 0) {
	window.location.href="../index.htm";
	return;
     }
     
   }
  function Clear_Main()
   {
     if(parent.frames.length == 0) {
	window.location.href="../index.htm";
	return;
     }
     parent.HauptFenster.location.href = "blank.htm"
   }