function load () {
    if (GBrowserIsCompatible()) {
        var map_1 = document.getElementById("map_canvas_1");
        var gmap_1 = new GMap2(map_1);
        gmap_1.addControl(new GSmallMapControl());
        gmap_1.addControl(new GMapTypeControl());
        gmap_1.addControl(new GOverviewMapControl(new GSize(100, 100)));
        gmap_1.setCenter(new GLatLng(51.592696, -1.808528), 15);
        var point_1 = new GLatLng(51.592696, -1.808528);
        gmap_1.addOverlay(new GMarker(point_1));
        var map_2 = document.getElementById("map_canvas_2");
        var gmap_2 = new GMap2(map_2);
        gmap_2.addControl(new GSmallMapControl());
        gmap_2.addControl(new GMapTypeControl());
        gmap_2.addControl(new GOverviewMapControl(new GSize(100, 100)));
        gmap_2.setCenter(new GLatLng(51.55926, -1.831589), 15);
        var point_2 = new GLatLng(51.55926, -1.831589);
        gmap_2.addOverlay(new GMarker(point_2));
    }
}
window.onload = load;
window.onunload = GUnload;