function dosearch(){
  try{
  var anreise = document.getElementById("anreise").value;
  var danr = chdate('anreise');
  var nae = chint('nae',1,99);
  var dabr = addDays(danr,nae);
  var abreise = formatDate(dabr);
  var erw = document.getElementById("erw").value;
  var ukart = document.getElementById("ukart").value;
  var url = "/index.php?id=126"
  var cmd = "&anreise="+anreise+"&abreise="+abreise+"&erw="+erw+"&ukart="+ukart;
  url += cmd;
  window.location.href=url;
  }catch(e){}
}