function initialize() {
    if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map_canvas"));
        map.setMapType(G_HYBRID_MAP);
        map.setCenter(new GLatLng(49.170908, -121.952607), 11);
        map.setUIToDefault();
        map.disableScrollWheelZoom();
        var mgr = new MarkerManager(map);
        addPoints(mgr,map);
    }
}