그룹게시판의 인기글을 뽑고싶어요

<?phpif (!defined('_GNUBOARD_')) exit; // 인기글 추출// $cache_time 캐시 갱신시간function latest_popular($bo_table, $rows=10, $subject_len=40, $term='', $options=''){    global $g5; 	switch($term){		case '일간': $term_time = date("Y-m-d H:i:s", G5_SERVER_TIME-3600*24); break;		case '주간': $term_time = date("Y-m-d H:i:s", G5_SERVER_TIME-3600*24*7); break;		case '월간': $term_time = date("Y-m-d H:i:s", G5_SERVER_TIME-3600*24*30); break;	}         $list = array();          if($gr_id){  //각 그룹게시판 출력                     $sql = " select * from {$g5['board_table']} where gr_id = '{$gr_id}' ";            $group = sql_query($sql);                        for ($b=0; $board = sql_fetch_array($group); $b++)                $bo_subject = get_text($board['bo_subject']);                 $tmp_write_table = $g5['write_prefix'] . $board[bo_table]; // 게시판 테이블 전체이름                $sql_between = " wr_datetime between '$term_time' and '".G5_TIME_YMDHIS."' ";                $sql = " select * from {$tmp_write_table} where wr_is_comment = 0 and {$sql_between} order by {$options} limit 0, {$rows} ";                $result = sql_query($sql);                for ($i=0; $row = sql_fetch_array($result); $i++)                {                    $list[$i] = get_list($row, $board, $latest_skin_url, $subject_len);                }            }           ob_start();?>