// -----------------------------------------------------------------------------------------------

    function PopUp(w,h,ziel)
     {
      h = h - 20; var x=0, y=0, parameter="";
      if (w < screen.availWidth || h < screen.availHeight)
       {
        x = (screen.availWidth - w - 12) / 2;
        y = (screen.availHeight - h - 104) / 2;
        if (window.opera) y = 0;
        if (x<0 || y<0)
         {
          x=0; y=0;
         }
        else parameter = "width=" + w + ",height=" + h + ",";
       }
      parameter += "left=" + x + ",top=" + y;
      parameter += ",menubar=no,location=no,toolbar=no,status=no,statusbar=no,resizable=no,scrollbars=yes";
      var Fenster = window.open(ziel,"PopUp",parameter);
      if (Fenster) Fenster.focus();
      return !Fenster;
     }

    function infofenster(datei,format)
     {
      InFe=window.open(datei,'Infofenster',format);
     }

    function urlfenster()
     {
      format = "width=500,height=700,resizable=yes,scrollbars=yes";
      InFe=window.open('cms-urls.php','URLs',format);
     }

 // -----------------------------------------------------------------------------------------------