if (GBrowserIsCompatible())
{
    var map = new GMap2(document.getElementById("map"));
    map.setCenter(new GLatLng(lat, lon), 11);
    var point = new GLatLng(lat, lon);
    var marker = new GMarker(point);
    map.addOverlay(marker);
    map.addControl(new GSmallMapControl());
    //marker.openInfoWindowHtml('<div>' + propName + '<br />' + propPostCode + '</div>');
}