      function addWorkshopFields() {
        var fieldcnt = document.getElementById('fieldcnt').value;
      	var l = 9999 + fieldcnt;
        $('#workshops').append("<ul id='ws"+fieldcnt+"' class='border'>"+
          "<li class='col" + (++l%2 ? 1 : 2) + "'><label>Titel *</label><div class='rm'><img src='images/icons/delete.png' align='top' border='0' alt='' > <a href='#' onclick=\"removeFormField('#ws"+fieldcnt+"');return false;\">Workshop entfernen<\/a></div>"+
          "<input type='text' name='ws_title[]' value=''></li>"+
          "<li class='col" + (++l%2 ? 1 : 2) + "'><label>Allgemein verständliche Beschreibung *<br><span class='descr n sc'>keine HTML-Zeichen, Zeilenumbrücher werden autmatisch umgewandelt</span></label>"+
          "<textarea cols='20' rows='8' name='ws_descr[]' id='ws_descr"+l+"' style='width: 430px;height: 100px;' onkeyup='return ismaxlength(this,1000)'></textarea><span id='ws_descr"+l+"stat' class='descr'>noch 1000 Zeichen</span></li>"+
          "<li class='col" + (++l%2 ? 1 : 2) + "'><label>Teilnehmer-<br />begrenzung</label>"+
          "<input type='text' name='ws_teilnehmer[]' value='' style='width: 75px;'> <span class='descr'>maximal - ganze Zahl</span></li>"+
          "<li class='col" + (++l%2 ? 1 : 2) + "'><label>Altersbegrenzung</label>"+
          "<input type='text' name='ws_mindestalter[]' value='' style='width: 75px;'> <span class='descr'>Mindestalter - ganze Zahl</span></li>"+
          "<li class='col" + (++l%2 ? 1 : 2) + "'><label>Dauer *</label>"+
          "<input type='text' name='ws_dauer[]' value=''></li>"+
          "<li class='col" + (++l%2 ? 1 : 2) + "'><label>Materialkosten</label>"+
          "<input type='text' name='ws_materialkosten[]' value='' style='width: 75px;'> <span class='descr'>ungefähr - ganze Zahl</span></li>"+
          "<li class='col" + (++l%2 ? 1 : 2) + "'><label>Platzbedarf</label>"+
          "<input type='text' name='ws_platzbedarf[]' value=''></li>"+
          "<li class='col" + (++l%2 ? 1 : 2) + "'><label>Sonstiges<br><span class='descr n sc'>Benötigte Dinge (wie z.B. Strom, Wasser, Feuerstelle, ...)</span></label>"+
          "<textarea cols='20' rows='8' name='ws_sonstiges[]' style='width: 430px;height: 50px;'></textarea><p class='clear'></p>"+
          "<div style='text-align:right;padding-right:10px;'><img src='images/icons/add.png' align='top' border='0' alt='' > <a href='#' onclick='addWorkshopFields(); return false;'>weiteren Workshop hinzufügen</a></div></li></ul>");
      	fieldcnt = (fieldcnt - 1) + 2;
      	document.getElementById('fieldcnt').value = fieldcnt;
      	 return false;
      }
      
      function addVortragFields() {
        var fieldcnt = document.getElementById('fieldcnt2').value;
      	var l = 99999 + fieldcnt;
        $('#vortraege').append("<ul id='v"+fieldcnt+"' class='border'>"+
          "<li class='col" + (++l%2 ? 1 : 2) + "'><label>Titel *</label><div class='rm'><img src='images/icons/delete.png' align='top' border='0' alt='' > <a href='#' onclick=\"removeFormField('#v"+fieldcnt+"');return false;\">Vortrag entfernen<\/a></div>"+
          "<input type='text' name='v_title[]' value=''></li>"+
          "<li class='col" + (++l%2 ? 1 : 2) + "'><label>Allgemein verständliche Beschreibung *<br><span class='descr n sc'>keine HTML-Zeichen, Zeilenumbrücher werden autmatisch umgewandelt</span></label>"+
          "<textarea cols='20' rows='8' name='v_descr[]' id='v_descr"+l+"' style='width: 430px;height: 100px;' onkeyup='return ismaxlength(this,1000)'></textarea><span id='v_descr"+l+"stat' class='descr'>noch 1000 Zeichen</span></li>"+
          "<li class='col" + (++l%2 ? 1 : 2) + "'><label>Altersbegrenzung</label>"+
          "<input type='text' name='v_mindestalter[]' value='' style='width: 75px;'> <span class='descr'>Mindestalter - ganze Zahl</span></li>"+
          "<li class='col" + (++l%2 ? 1 : 2) + "'><label>Dauer *</label>"+
          "<input type='text' name='v_dauer[]' value=''></li>"+
          "<li class='col" + (++l%2 ? 1 : 2) + "'><label>Sonstiges<br><span class='descr n sc'>Benötigte Dinge (wie z.B. Overheadprojektor, Beamer, ...)</span></label>"+
          "<textarea cols='20' rows='8' name='v_sonstiges[]' style='width: 430px;height: 50px;'></textarea><p class='clear'></p>"+
          "<div style='text-align:right;padding-right:10px;'><img src='images/icons/add.png' align='top' border='0' alt='' > <a href='#' onclick='addVortragFields(); return false;'>weiteren Vortrag hinzufügen</a></div></li></ul>")
      	fieldcnt = (fieldcnt - 1) + 2;
      	document.getElementById('fieldcnt2').value = fieldcnt;
      	 return false;
      }
      
      function removeFormField(id) {
      	$(id).remove();
      	return false;
      }
    function ismaxlength(obj,mlength) {
      if (!mlength) var mlength=200;
      var statmess = document.getElementById(obj.getAttribute('id')+'stat');
      statmess.innerHTML = 'noch ' + parseInt(mlength - obj.value.length) + ' Zeichen';
      if (obj.getAttribute && obj.value.length>mlength) {
        obj.value=obj.value.substring(0,mlength);
      }
        
    }
    
    function dis_en_able(fields,dis) {
      dis = dis?false:true;
      if (fields == "woche") {
        var wdis = dis;
        var tdis = dis?false:true;
      }
      if (fields == "tag") {
        var wdis = dis?false:true;
        var tdis = dis;
      }
      document.getElementById('w1').disabled=wdis;
      document.getElementById('w2').disabled=wdis;
      document.getElementById('d1').disabled=tdis;
      document.getElementById('d2').disabled=tdis;
      document.getElementById('d3').disabled=tdis;
      document.getElementById('d4').disabled=tdis;
      document.getElementById('d5').disabled=tdis;
        
    }
    
    function dis_fields(teilnahmeart) {
      if (teilnahmeart != "Tagesteilnahme") {
        document.getElementById('d1').disabled=true;
        document.getElementById('d2').disabled=true;
        document.getElementById('d3').disabled=true;
        document.getElementById('d4').disabled=true;
        document.getElementById('d5').disabled=true;
      }
      if (teilnahmeart != "Wochenteilnahme") {
        document.getElementById('w1').disabled=true;
        document.getElementById('w2').disabled=true;
      }
    }
    

