function loadRegBox(map) {
map.addOverlay(new GPolyline([
new GLatLng(36.6804274, -3.1401779),
new GLatLng(36.9244532, -3.1401779),
new GLatLng(36.9244532, -2.5251731),
new GLatLng(36.6804274, -2.5251731),
new GLatLng(36.6804274, -3.1401779)
], "#ff0000", 5));
}