anchor.diff:                      </div>
                       <c:if test="${!actionBean.updatable}">
                           * Attribuutbron kan hier niet worden geupdate. Wegens de directe link tussen service en attribuutbron, dient u voor de ArcGIS en ArcIMS protocollen de bijhorende service te updaten.
  +                    </c:if>
  +                    <c:if test="${actionBean.featureSource.id != null}">
  +                        <br> <a href="javascript: void(0)" onclick='openServiceUsageMatrix(<c:out value="${actionBean.featureSource.id}"/>)'>Bekijk in welke applicaties deze service wordt gebruikt</a>
                       </c:if>
                       <script type="text/javascript">
                           function updateConfirm() {
  
positive.code:                     </script>
                      <stripes:submit name="newAttributeSource" value="Nieuwe attribuutbron"/>
                      <c:if test="${not empty actionBean.changedFeatureTypes}">
                          <a href="javascript: void(0)" onclick="openServiceUsageMatrix()">Open wijzigingen in Service Gebruiks Matrix</a>
                      </c:if>
                  </c:otherwise>
              </c:choose>
  
negative.code:             Ext.onReady(function() {
                  appendPanel('headertext', 'formcontent');
              });
              function openServiceUsageMatrix(featureSourceId){ 
                  var url= ""+serviceUsageMatrixUrl;
  
                  if (changedFeatureTypes.length > 0){
                      if (url.indexOf("?")>0){
                          url+="&";
                      }else{
                          url+="?";
                      }
                      url+="changedFeatureTypes="+Ext.JSON.encode(changedFeatureTypes);                
                  }
                  if (featureSourceId){
                      if (url.indexOf("?")>0){
                      url+="&";
                      }else{
                          url+="?";
                      }
                      url += "featureSource="+featureSourceId;
                  }
                  this.parent.window.location.href=url;
              }
              var serviceUsageMatrixUrl='<stripes:url beanclass="nl.b3p.viewer.admin.stripes.ServiceUsageMatrixActionBean" event="view"/>';
              var changedFeatureSource = "";
              var changedFeatureTypes={};
              <c:forEach items="${actionBean.changedFeatureTypes}" var="change">
                  changedFeatureTypes["${change.key}"]= [];
  