public static function getLogsOfTicket( $ticket_id) {
$dbl = new DBLayer("lib");
$statement = $dbl->execute("SELECT * FROM ticket_log INNER JOIN ticket_user ON ticket_log.Author = ticket_user.TUserId and ticket_log.Ticket=:id ORDER BY ticket_log.TLogId DESC", array('id' => $ticket_id));
$statement = $dbl->execute("SELECT * FROM ticket_log INNER JOIN ticket_user ON ticket_log.Author = ticket_user.TUserId and ticket_log.Ticket=:id ORDER BY ticket_log.TLogId ASC", array('id' => $ticket_id));