function loadRegBox(map) {
map.addOverlay(new GPolyline([
new GLatLng(36.9839859, -3.9383874),
new GLatLng(37.4519901, -3.9383874),
new GLatLng(37.4519901, -3.3392040),
new GLatLng(36.9839859, -3.3392040),
new GLatLng(36.9839859, -3.9383874)
], "#ff0000", 5));
}