function pflichtfelder (kontaktweg) {
  var pflicht = '*';
  var telefon = document.getElementById('tel_lbl');
  var telefon_txt = telefon.firstChild.nodeValue;
  if(telefon_txt.charAt(telefon_txt.length - 1) == '*'){
    telefon_txt = telefon_txt.substring(0,telefon_txt.length - 1);
    telefon.firstChild.nodeValue = telefon_txt;
  }
  var email = document.getElementById('email_lbl');
  var email_txt = email.firstChild.nodeValue;
  if(email_txt.charAt(email_txt.length - 1) == '*'){
    email_txt = email_txt.substring(0,email_txt.length - 1);
    email.firstChild.nodeValue = email_txt;
  }
  if(kontaktweg == 'email'){
    email.firstChild.nodeValue = email_txt + '*';
  }
  if(kontaktweg == 'telefon'){
    telefon.firstChild.nodeValue = telefon_txt + '*';
  }
}
//nur für th20
function daten_ueber(checked){
  if(checked){
    document.getElementById('nachname_vorname_n').value = document.getElementById('nachname').value + ' ' + document.getElementById('vorname').value;
    document.getElementById('strasse_hnr_n').value = document.getElementById('strasse').value + ' ' + document.getElementById('hnr').value;
    document.getElementById('plz_ort_n').value = document.getElementById('plz').value + ' ' + document.getElementById('ort').value;
  }
  else{
    document.getElementById('nachname_vorname_n').value = '';
    document.getElementById('strasse_hnr_n').value = '';
    document.getElementById('plz_ort_n').value = '';
  }
}

/*function newFile(id) {
   var br = document.createElement("br");
   var input_old = document.getElementById(id);
   var inp = document.createElement("input");
   inp.setAttribute("type", input_old.type);
   inp.setAttribute("id", id);
   inp.setAttribute("style", input_old.style);
   inp.style.cssText = input_old.style.cssText;
   inp.setAttribute("accept", input_old.accept);
   inp.setAttribute("size", input_old.size);
   inp.setAttribute("name", input_old.name);
   input_old.parentNode.insertBefore(br,input_old.nextSibling);
   input_old.parentNode.insertBefore(inp,br.nextSibling);
   return true;
}
*/
function newFile(filediv_id, filedescdiv_id){
   var filediv_old = document.getElementById(filediv_id);
   var filedescdiv_old = document.getElementById(filedescdiv_id);
   
   var filediv_new = filediv_old.cloneNode(true);
   var filedescdiv_new = filedescdiv_old.cloneNode(true);
   
   filedescdiv_new.getElementsByTagName('input')[0].value = '';
   
   filedescdiv_old.parentNode.insertBefore(filediv_new,filediv_new.nextSibling);
   filedescdiv_old.parentNode.insertBefore(filedescdiv_new,filediv_new.nextSibling);
   return true;
}