function set_checkboxes(check) {
   var boxes = document.formular.elements['checkid[]'];
   var set_boxes  = boxes.length;

   if (set_boxes)
      for (i=0;i<set_boxes;i++)
      boxes[i].checked = check;
   else
      boxes.checked = check;

   return true;
}


function newFenst(myWin, titel, breite, hoehe) {
   fenster = open(myWin, titel, "scrollbars=yes,resizable=yes,status=no,toolbar=no,menubar=no,width="+breite+",height="+hoehe);
   fenster.focus();

   }

function delete_window(meldung,url) {
    if (confirm(meldung)) {
        window.location.href=url;
    }
}