function NeuFenster1()
     {
      fenster =
      window.open("referenz_bb_gew01.shtml", "Zweitfenster", "width=550,height=500,scrollbars=auto,toolbar=no,directories=no,status=no,resizable=no");
      fenster.focus();
     }

     function NeuFenster2()
     {
      fenster =
      window.open("referenz_bb_gew02.shtml", "Zweitfenster", "width=550,height=500,scrollbars=auto,toolbar=no,directories=no,status=no,resizable=no");
      fenster.focus();
     }

     function NeuFenster3()
     {
      fenster =
      window.open("referenz_bb_gew03.shtml", "Zweitfenster", "width=550,height=500,scrollbars=yes,toolbar=no,directories=no,status=no,resizable=no");
      fenster.focus();
     }

     function NeuFenster4()
     {
      fenster =
      window.open("referenz_th_gew02.shtml", "Zweitfenster", "width=550,height=500,scrollbars=yes,toolbar=no,directories=no,status=no,resizable=no");
      fenster.focus();
     }

     function NeuFenster5()
     {
      fenster =
      window.open("referenz_sa_gew01.shtml", "Zweitfenster", "width=550,height=500,scrollbars=yes,toolbar=no,directories=no,status=no,resizable=no");
      fenster.focus();
     }

     function NeuFenster6()
     {
      fenster =
      window.open("referenz_th_gew01.shtml", "Zweitfenster", "width=550,height=500,scrollbars=yes,toolbar=no,directories=no,status=no,resizable=no");
      fenster.focus();
     }

     function NeuFenster7()
     {
      fenster =
      window.open("referenz_mv_gew01.shtml", "Zweitfenster", "width=550,height=500,scrollbars=yes,toolbar=no,directories=no,status=no,resizable=no");
      fenster.focus();
     }