function kinder_sichernpage() {
    page = "http://www.auto-tipp.eu/kinder_sicher_auto_lr.pdf?" + location.pathname;
    window.open(page, "Hilfe", "toolbar=0,location=0,status=0,menubar=0,scrollbars=1,resizable=1,status=no,width=850,height=650");
  }