function FensterOeffnen (Adresse) { 
  MeinFenster = window.open(Adresse, "Zweitfenster", "width=500,height=400,left=400,top=200"); 
  MeinFenster.focus();
  }
  
function FensterOeffnenBesonder (Adresse) { 
  MeinFenster = window.open(Adresse, "Zweitfenster", "width=800,height=200,left=450,top=250"); 
  MeinFenster.focus(); 
  }