function initialize() {
	if (GBrowserIsCompatible()) {
		// la carte
		var map = new GMap2(document.getElementById("map"));
		map.setCenter(new GLatLng(47.269911, -0.066311), 14);

		// outils
		map.addControl(new GLargeMapControl());
		map.addControl(new GMapTypeControl());

		// un marqueur
		var bounds = map.getBounds();
		var southWest = bounds.getSouthWest();
		var northEast = bounds.getNorthEast();
		var lngSpan = northEast.lng() - southWest.lng();
		var latSpan = northEast.lat() - southWest.lat();
		var point = new GLatLng(47.269911, -0.066311);
		map.addOverlay(new GMarker(point));

		// bulle
		map.openInfoWindow(map.getCenter(), document.createTextNode("Le bowling est ici !"));
		}
	}