function HoriOpen(url) {
      wohin = url.href;
      var fenster2=window.open(wohin,"_blank","height=375,width=500,top=40,left=60,resizable=no,status=no,toolbar=no,directories=no,menubar=no,location=no,scrollbars=no");
      fenster2.focus();
      return false;}

   function VertikalOpen(url) {
      wohin = url.href;
      var fenster2=window.open(wohin,"_blank","height=500,width=375,top=40,left=60,resizable=no,status=no,toolbar=no,directories=no,menubar=no,location=no,scrollbars=no");
      fenster2.focus();
      return false;}


   function ExternOpen(url) {
      wohin = url.href;
      var fenster2=window.open(wohin,"_blank","height=700,width=700,top=40,left=60,resizable=yes,status=yes,toolbar=yes,directories=yes,menubar=yes,location=yes,scrollbars=yes");
      fenster2.focus();
      return false;}