function anmeldenPopup(url, abkuerzung) {
  var wa = window.open(url+'?abkuerzung='+abkuerzung, 'anmelden', 'width=600,height=500,top=50,left=50,resizable=yes,scrollbars=yes,dependent=yes');
  wa.focus();
}

function infoanforderungPopup(url) {
  var wi = window.open(url, 'infoanforderung', 'width=600,height=500,top=30,left=30,resizable=yes,scrollbars=yes,dependent=yes');
  wi.focus();
}