$res=$DBc->sqlQuery("SELECT * FROM ach_achievement LEFT JOIN (ach_achievement_lang) ON (aal_lang='".$_USER->getLang()."' AND aal_achievement=aa_id) WHERE aa_category='".$this->id."' AND (aa_parent IS NULL OR NOT EXISTS (SELECT * FROM ach_perk WHERE ap_achievement=aa_id AND NOT EXISTS (SELECT * FROM ach_player_perk WHERE app_player='".$_USER->getID()."' AND app_perk=ap_id))) AND (aa_tie_race IS NULL OR aa_tie_race='".$_USER->getRace()."') AND (aa_tie_cult IS NULL OR aa_tie_cult='".mysql_real_escape_string($cult)."') AND (aa_tie_civ IS NULL OR aa_tie_civ='".mysql_real_escape_string($civ)."') ORDER by aal_name ASC");