function openWindow(url, width, height){
  if(width == undefined && height == undefined)
    return window.open(url, '_blank');

  return window.open(url, '_blank', 'scrollbars=yes,width='+width+',height='+height);
}

function myConfirm(group, nid, subject){
  if(nid == undefined)
    return false;

  if(group == undefined)
    return false;

  subject = subject == undefined ? 'Eintrag' : subject;

  if(confirm('Soll diese '+subject+' wirklich gelöscht werden?'))
    window.location.href = 'admin/del.php?group='+group+'&nid='+nid+'&confirmed=1';

  return false;
}