function NeuFenster(Fensternummer)
  {
  if (Fensternummer==1){
   	Fenster1 =
   	window.open("ALU365FB.html","fenster01","width=720,height=550,left=150,top=110");
   	Fenster1.focus();
  }
  if (Fensternummer==2){
   	Fenster2 =
   	window.open("ALU410SL.html","fenster02","width=720,height=550,left=150,top=110");
   	Fenster2.focus();
   }
   if (Fensternummer==3){
   	Fenster3 =
   	window.open("ALU450DLX.html","fenster02","width=720,height=550,left=150,top=110");
   	Fenster3.focus();
   }
   if (Fensternummer==4){
   	Fenster4 =
   	window.open("impressum.html","fenster02","width=410,height=500,left=310,top=110");
   	Fenster4.focus();
   }
  }