google.load("maps", "2");
function initialize() {
    var map = new GMap2(document.getElementById("google_map"));
        map.addControl(new GSmallZoomControl());
        map.enableScrollWheelZoom();
        map.setCenter(new GLatLng(53.406861,-2.990412), 15);
        map.addOverlay(new GMarker(new GLatLng(53.406861,-2.990412)));
}
google.setOnLoadCallback(initialize);