anchor.diff:  </div>
   
   <jsp:include page="/common/foot.jsp"/>
  -<script src="https://maps.googleapis.com/maps/api/js"></script>
  +<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyARbEBUNSIVYgKaVXJcD3-s7Un2YYY0JTk"></script>
   <script type="text/javascript">
     var map;
     var directionsService;
     var vehicleRouteLines;
  +  var intervalTimer;
  +
     var vehicleRouteDirections;
  -  var intervalTimer;
  +  var directionsTaskQueue;
  +  var directionsTaskTimer;
   
     function initMap() {
       var mapCanvas = document.getElementById('map-canvas');
  
positive.code:             strokeColor: hexColor,
              strokeOpacity: 0.8,
              strokeWeight: 4
            }
          });
          directionsRenderer.setDirections(response);
  
negative.code:   solve = function() {
      $('#solveButton').attr("disabled", "disabled");
      $('#resolveDirectionsButton').attr("disabled", "disabled");
      if (directionsTaskTimer != undefined) {
        window.clearInterval(directionsTaskTimer);
        directionsTaskTimer = undefined;
      }
      $.ajax({
        url: "<%=application.getContextPath()%>/rest/vehiclerouting/solution/solve",
        type: "POST",
  