function ExternOpen(url) {
      wohin = url.href;
      var fenster2=window.open(wohin,"_blank","height=700,width=900,top=40,left=60,resizable=yes,status=yes,toolbar=yes,directories=yes,menubar=yes,location=yes,scrollbars=yes");
      fenster2.focus();
      return false;}


   function HorOpen(url) {
      wohin = url.href;
      var fenster2=window.open(wohin,"_blank","height=400,width=600,top=40,left=60,resizable=no,status=no,toolbar=no,directories=no,menubar=no,location=no,scrollbars=no");
      fenster2.focus();
      return false;}

   function VerOpen(url) {
      wohin = url.href;
      var fenster2=window.open(wohin,"_blank","height=600,width=400,top=40,left=60,resizable=no,status=no,toolbar=no,directories=no,menubar=no,location=no,scrollbars=no");
      fenster2.focus();
      return false;}

   function MicOpen(url) {
      wohin = url.href;
      var fenster2=window.open(wohin,"_blank","height=150,width=225,top=100,left=300,resizable=no,status=no,toolbar=no,directories=no,menubar=no,location=no,scrollbars=no");
      fenster2.focus();
      return false;}

   function MicrOpen(url) {
      wohin = url.href;
      var fenster2=window.open(wohin,"_blank","height=190,width=379,top=100,left=300,resizable=no,status=no,toolbar=no,directories=no,menubar=no,location=no,scrollbars=no");
      fenster2.focus();
      return false;}