anchor.diff:  <script src="https://maps.googleapis.com/maps/api/js"></script>
   <script type="text/javascript">
     var map;
  +  var directionsService;
     var vehicleRouteLines;
  +  var vehicleRouteDirections;
     var intervalTimer;
   
     function initMap() {
  
positive.code:         console.log(message.text);
          updateSolution();
          $('#solveButton').removeAttr("disabled");
        }, error : function(jqXHR, textStatus, errorThrown) {ajaxError(jqXHR, textStatus, errorThrown)}
      });
    };
  
  
negative.code:       <div>
          <button id="solveButton" class="btn btn-default" type="submit" onclick="solve()">Solve this planning problem</button>
          <button id="terminateEarlyButton" class="btn btn-default" type="submit" onclick="terminateEarly()" disabled="disabled">Terminate early</button>
          <button id="resolveDirectionsButton" class="btn btn-default" type="submit" onclick="resolveDirections()" disabled="disabled">Directions</button>
        </div>
        <div id="map-canvas" style="height: 600px; width: 100%; margin-top: 10px; margin-bottom: 10px;"></div>
        <p>This visualization does not work offline and uses proprietary Google software.</p>
  