anchor.diff:      <body>
           <%@include file="/navigationBar.jsp" %>
           <!-- Main jumbotron for a primary marketing message or call to action -->
  +        <%
  +            incidentList = DatabaseManager.getIncidents();
  +            Coordinates coord = (Coordinates) session.getAttribute("geolocation");
  +            if (coord != null) {
  +                this.closestIncident = coord.getClosestIncident(incidentList);
  +                this.closestIncidentId = closestIncident.getId();
  +            }
  +            if (currentUser != null && currentUser.isValid()) {%>
           <div class="row container" id="rowCall" style="width:100%">
               <div class="col-md-6" id="col1">
                   <div class="jumbotron" id="jum1">
  
positive.code:                                 }
                              }%>
                          <h2>Dichtstbijzijnde incident</h2>
                          <%
  
                              incidentList = DatabaseManager.getIncidents();
                              Coordinates coord = (Coordinates) session.getAttribute("geolocation");
                              if (coord != null) {
                                  this.closestIncident = coord.getClosestIncident(incidentList);
                                  this.closestIncidentId = closestIncident.getId();
                              }
  
                          %>
                          <h1>
                              <a  class="btn btn-primary" href="incident/incident_detail.jsp?incident=<%=closestIncidentId%>">
                                  <%
  
negative.code:                 </div>
              </div>
          </div>
          <% } %>
  
          <div class="container">
              <!-- Example row of columns -->
              <div class="row">
  