/** Clear messages and errors from the session data */
public static function clear_messages()
{
self::$errors = self::$messages = array();
unset(jigoshop_session::instance()->messages);
unset(jigoshop_session::instance()->errors);
}
/** Clear messages and errors from the session data */
function clear_messages() {
self::$errors = self::$messages = array();
unset($_SESSION['messages']);
unset($_SESSION['errors']);
}