If you use XOOPS 2.0.9.x, you can try nobunobu's "enhanced EMLH".
go to
http://www.kowa.org/modules/pukiwiki/354.html?easiestml_lang=enand get common.php.
Then overwrite it as include/common.php.
(nobunobu's hacked common.php is based on 2.0.9.3 with my autologin-hack)