function initialize() {
    if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map_canvas"));
        map.setCenter(new GLatLng(49.2519, -123.100922), 15);
        map.setUIToDefault();
        map.addControl(new GLargeMapControl());
        var point = new GLatLng(49.2519, -123.100922);
        map.addOverlay(new GMarker(point));
    }
}


window.onload = initialize;
window.onunload = GUnload;