// JS function for popup window
function popup (Adresse) {
  Fenster1 = window.open(Adresse, "Zweitfenster", "width=630,height=400,scrollbars=no,toolbar=no,status=no,resizable=no,menubar=no,location=no,directories=no,left=100,top=200");
  Fenster1.focus();
}