public function init() : void 
             { 
        container = new UIComponent(); 
          
        _map = new UMap(); 
        _map.setSize(500, 600); 
          
        container.addChild(_map); 
        mapCanvas.addChild(container); 
        container.focusManager.deactivate(); 
          
        _map.addControl(new MapTypeControl()); 
        _map.addControl(new ZoomControl()); 
        _map.addControl(new PositionControl()); 
        _map.setProvider(Providers.GOOGLE);
        _map.setCenter(new LatLng(52.36,4.89),13);
        
                  addOverlaysToLayers(_layer1, _marker1, _marker2, _marker3, _marker4, _marker5, _marker6, _marker7, _marker8, _marker9, _marker10);
                  addOverlaysToUmap(_map, _layer1);
                  _map.addEventListener(DisplayEvent.UPDATE_ZOOM, zoomMarkers);