아래 소스에서 hnbuilder 그룹만 검색되게 하려면 

소스를 어떻게 수정해야 할까요?

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$sql = " select gr_id, bo_table, bo_read_level from $g4[board_table] where bo_use_search = '1' and bo_list_level <= '$member[mb_level]' ";
    //            and bo_read_level <= '$member[mb_level]' ";
    $sql .= " and gr_id  not in ( 'hnbuilder' , 'senior_s' , 'daily' , 'realty' , 'best' , 'baedalbu' , 'massage' , 'hairjob' , 'gangsa' , 'mihwa' , 'sikdang' , 'car' , 'welding' , 'nightwork' , 'maknodong' , 'drugstore' , 'parking' , 'cafe' ) ";
    if ($gr_id)
        $sql .= " and gr_id = '$gr_id' ";
    if ($onetable) // 하나의 게시판만 검색한다면
        $sql .= " and bo_table = '$onetable' ";
    $sql .= " order by bo_order_search, gr_id, bo_table ";
    $result = sql_query($sql);