private GOverlay createOverlay(String title, GLatLng latLng, String image, String shadow)
{
GIcon icon = new GIcon(urlFor(new PackageResourceReference(RefreshPointPage.class, image), null)
.toString(), urlFor(new PackageResourceReference(RefreshPointPage.class, shadow), null)
.toString()).iconSize(new GSize(64, 64)).shadowSize(new GSize(64, 64)).iconAnchor(
new GPoint(19, 40)).infoWindowAnchor(new GPoint(9, 2)).infoShadowAnchor(
new GPoint(18, 25));
map.setCenter(latLng);
return new GMarker(latLng, new GMarkerOptions(title, icon));
}