function company_setting($userid, $key = '', $cache = '') {

    global $db;

    if($key) {

        $r = $db->get_one("SELECt * FROM {$db->pre}company_setting WHERe userid=$userid AND item_key='$key'", $cache);

        return $r ? $r['item_value'] : '';

    } else {

        $setting = array();

        if($cache) {

            $query = $db->query("SELECt * FROM {$db->pre}company_setting WHERe userid=$userid", $cache);

        } else {

            $query = $db->query("SELECt * FROM {$db->pre}company_setting WHERe userid=$userid", $cache);

        }

        while($r = $db->fetch_array($query)) {

            $setting[$r['item_key']] = $r['item_value'];

        }

        return $setting;

    }