if($_USER['uid'] > 1 ) {
        $query = DB_query("SELECT pid,forum FROM {$_TABLES['gf_topic']} WHERE id={$showtopicid}");
        list ($showtopicpid,$forumid) = DB_fetchArray($query);
        if ($showtopicpid == 0 ) {
            $showtopicpid = $showtopicid;
        }
        $log_sql = DB_query("SELECT * FROM {$_TABLES['gf_log']} WHERE uid=$_USER[uid] AND topic=$showtopicpid");
        $lrows = DB_numRows($log_sql);
        $logtime = time();
        if ($lrows < 1) {
            DB_query("INSERT INTO {$_TABLES['gf_log']} (uid,forum,topic,time) VALUES ('$_USER[uid]','$forumid','$showtopicpid','$logtime')");
        } else {
            DB_query("UPDATE {$_TABLES['gf_log']} SET time=$logtime WHERE uid=$_USER[uid] AND topic=$showtopicpid");
        }
    }