Documentation GMaps div controls overlays layers singleLayers markers polylines routes polygons zoom map setContextMenu hideContextMenu refresh fitZoom fitLatLngBounds setCenter getCenter getDiv setZoom zoomIn zoomOut addControl createMarker addMarker addMarkers hideInfoWindows removeMarkers drawOverlay removeOverlay removeOverlays drawPolyline drawCircle drawRectangle drawPolygon getFromFusionTab