window.onload = function() {
    if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("google-map"));
        var centre = new GLatLng(51.9408, -2.8843);
        map.addControl(new GSmallMapControl());
        map.setCenter(centre, 9);
        map.addOverlay(new GMarker(centre));

        map = new GMap2(document.getElementById("google-satellite"));
        map.setCenter(centre, 15);
        map.addOverlay(new GMarker(centre));
        map.setMapType(G_SATELLITE_MAP);
    }
}