public static function UpdateIcon($poi)
{
global $g_ado_db;
$queryStr = 'UPDATE ' . Geo_MapLocation::TABLE . ' SET poi_style = ? WHERE id = ?';
$sql_params = array();
$sql_params[] = $poi['style'];
$sql_params[] = $poi['location_id'];
$success = $g_ado_db->Execute($queryStr, $sql_params);
}