public static function getForExpertCategory($iCategoryId)
{
$c = new criteria();
$c->addJoin(UserPeer::ID, ExpertCategoryPeer::USER_ID, Criteria::JOIN);
$c->add(ExpertCategoryPeer::CATEGORY_ID, $iCategoryId);
$c->addDescendingOrderbyColumn(UserPeer::POINTS);
$c->setLimit(5);
$c->setDistinct();
return UserPeer::doSelect($c);
}