Joomla - скрыть пункт меню

скрыть пункт меня для авторизированных пользователей.

примеры реализации:

http://deadhorse.spb.ru/joomla-hide-menu-item-for-logge/comment-page-1

http://www.joomla-docs.ru/%D0%A4%D0%B8%D1%88%D0%BA%D0%B8_%D1%88%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD%D0%BE%D0%B2_Joomla#.D0.A1.D0.BE.D0.BA.D1.80.D1.8B.D1.82.D0.B8.D0.B5_.D0.BF.D1.83.D0.BD.D0.BA.D1.82.D0.BE.D0.B2_.D0.BC.D0.B5.D0.BD.D1.8E_.D0.B8.D0.BB.D0.B8_.D0.BE.D0.B1.D0.BB.D0.B0.D1.81.D1.82.D0.B8_.D1.88.D0.B0.D0.B1.D0.BB.D0.BE.D0.BD.D0.B0_.D0.B4.D0.BB.D1.8F_.D0.B7.D0.B0.D1.80.D0.B5.D0.B3.D0.B8.D1.81.D1.82.D1.80.D0.B8.D1.80.D0.BE.D0.B2.D0.B0.D0.BD.D0.BD.D1.8B.D1.85_.D0.BF.D0.BE.D0.BB.D1.8C.D0.B7.D0.BE.D0.B2.D0.B0.D1.82.D0.B5.D0.BB.D0.B5.D0.B9

joomla 2.5