anchor.diff:                          removeChilds(simpleFeatureTypeId);
                           simpleFeatureTypeId.appendChild(getOption(-1, 'Kies...', false));
   
  -                            if(selectedValue != 1) {
  +                            if(selectedValue != -1) {
                               Ext.Ajax.request({ 
                                   url: '<stripes:url beanclass="nl.b3p.viewer.admin.stripes.AttributeActionBean" event="getFeatureTypes"/>', 
                                   params: { 
  
positive.code:                         <td>Attribuutlijst:</td>
                          <td>
                              <select name="simpleFeatureType" id="simpleFeatureTypeId">
                                  <option value="1">Maak uw keuze..</option>
                              </select>
                          </td>
                      </tr>
  
negative.code:                         <td>Attribuutbron:</td>
                          <td>
                              <stripes:select name="featureSourceId" id="featureSourceId">
                                  <stripes:option value="-1">Kies..</stripes:option>
                                  <c:forEach var="source" items="${actionBean.featureSources}">
                                      <stripes:option value="${source.id}">${source.protocol} #${source.id} <c:out value="${source.name}"/></stripes:option>
                                  </c:forEach>
  