var map = null;
      var startGeocoded = null;
      var destinationGeocoded = null;
      
      function goMap24(){
		  if ($("maparea")){
        map = Map24.Webservices.getMap24Application({
          AppKey: "FJXef904aff296e8f896b7a317b0e91fX13",
          MapArea: document.getElementById( "maparea" ),
          MapWidth: 550,
          MapHeight: 400
        });}
      }
      
      function calculateRouteAddr( start, destination ){
        if( Map24.isNull( start ) ) return;
        if( Map24.isNull( destination ) ) return;

        geocodeStartAndDestination( start, destination );
        return;
      }
      
      function geocodeStartAndDestination( start, destination ){
        //1. Geocode the start address
        geocode( start, onGeocodeStart )

        //2. When start address has been geocoded, then geocode destination address
        function onGeocodeStart( geoRes ){
          startGeocoded = geoRes.firstResult;
          geocode( destination, onGeocodeDest )
        }
        //3. When both start and dest address have been geocoded, then start route calculation
        function onGeocodeDest( geoRes ){
          destinationGeocoded = geoRes.firstResult;
          calculateRouteCoord( startGeocoded, destinationGeocoded );
        }
      }
      
      //Calculate a route between two addresses
      function calculateRouteCoord( startGeocoded, destinationGeocoded ){
        if( Map24.isNull( startGeocoded ) ) return;
        if( Map24.isNull( destinationGeocoded ) ) return;
      
        var routeRequest = new Map24.Webservices.Request.CalculateRoute( map );
        routeRequest.Start = new Map24.Webservices.Request.CalculateRoute.CoordinateAndAddress();
        routeRequest.Start.Coordinate = new Map24.Coordinate( startGeocoded.Coordinate.Longitude,
                                                              startGeocoded.Coordinate.Latitude );
        routeRequest.Destination = new Map24.Webservices.Request.CalculateRoute.CoordinateAndAddress();
        routeRequest.Destination.Coordinate = new Map24.Coordinate( destinationGeocoded.Coordinate.Longitude,
                                                                    destinationGeocoded.Coordinate.Latitude );
        map.Webservices.sendRequest( routeRequest );
      
       //This listener is called when the route calculation has finished
        map.onCalculateRoute = function( event ){
          var mrcContainer = new Map24.Webservices.Request.MapletRemoteControl( map );
          mrcContainer.push( 
            new Map24.Webservices.MRC.DeclareMap24RouteObject({
              MapObjectID: "actualRoute",
              Map24RouteID: event.Info.RouteID,
              Color: new Map24.Color( 255, 0, 0, 180 )
            }) 
          );
          //Center the map view on the route visualization
          mrcContainer.push( genSetMapView( 0, 70, null, null, "actualRoute" ) );
          
          //Enable the visibility of the route 
          mrcContainer.push( genControlMapObject( "ENABLE", "actualRoute" ) );
          
          map.Webservices.sendRequest( mrcContainer );
        }
      }
      
      //Geocoding
      function geocode( address, onGeoFunc ){
        map.Webservices.sendRequest(
          new Map24.Webservices.Request.MapSearchFree(map, {
            SearchText: address,
            MaxNoOfAlternatives: 50
          })
        );
      
        map.onMapSearchFree = function( event ){
          var geoRes = new Object();
          geoRes.Alternatives = event.Alternatives;
          geoRes.firstResult = geoRes.Alternatives[0];

          onGeoFunc( geoRes );
        }
      }    
      
      //Factory functions
      function genSetMapView( ClippingWidth, ClippingPercent, lon, lat, objID ){
        //Hashtable Clip { MinimumWidth: ClippingWidth, ViewPercentage: ClippingPercent } is created
        var Clip = new Array();
        if( !Map24.isNull( ClippingWidth ) ) 
          Clip['MinimumWidth'] = ClippingWidth;
        if( !Map24.isNull( ClippingPercent ) )
          Clip['ViewPercentage'] = ClippingPercent;
        
        if( !Map24.isNull( lon ) && !Map24.isNull( lat ) )
        {
          var SetMapView = new Map24.Webservices.MRC.SetMapView({
            ClippingWidth: new Map24.Webservices.ClippingWidth( Clip ),
            Coordinates: new Map24.Coordinate( lon, lat )
          });
        } 
        else if( !Map24.isNull( objID ) )
        {
          var SetMapView = new Map24.Webservices.MRC.SetMapView({
            ClippingWidth: new Map24.Webservices.ClippingWidth( Clip ),
            MapObjectIDs: objID 
          });
        }	
        return SetMapView;	
      }		
      
      function genControlMapObject( Control, objID ){
        var ControlObject = new Map24.Webservices.MRC.ControlMapObject({
          Control: Control,
          MapObjectIDs: objID
        });
        return ControlObject;
      }