function loadRegBox(map) {
map.addOverlay(new GPolyline([
new GLatLng(36.9340826, -2.1994338),
new GLatLng(37.5382591, -2.1994338),
new GLatLng(37.5382591, -1.6300955),
new GLatLng(36.9340826, -1.6300955),
new GLatLng(36.9340826, -2.1994338)
], "#ff0000", 5));
}