G5 플러그인 자료실의 랭킹출력에서 기간을 정하고 싶습니다.

<?phpinclude_once("./_common.php");?><style type="text/css">.pl_rank2{clear:both;position:relative;margin:0 auto;width:100%; }.pl_rank2 h2{padding:0 10px;height:28px;line-height:2.4em;background:#6a6e87;color:#fff}.pl_rank2_ul{padding:3px 0 0}.pl_rank2_ul ul{float:left;width:100%;margin:0;padding:0;overflow:hidden;list-style:none}.pl_rank2_ul ul li{position:relative;line-height:18px;margin:5px 0; }.pl_rank2_ul ul li .rank_bg{display:inline-block;width:17px;height:17px;margin-right:8px;text-align:center;color:#fff;background:#b3b8c0;text-indent:-1px;border-radius:2px}.pl_rank2_ul ul li .rank_bg1{color:#fff;background:#da0000}.pl_rank2_ul ul li .rank_bg2{color:#fff;background:#fdb800}.pl_rank2_ul ul li .rank_bg3{color:#fff;background:#657bc8}.pl_rank2_ul ul li .rank_point{display:inline-block;position:absolute;top:0;right:2px;font-family:verdana;color:#C02027;font-size:11px;font-weight:bold}</style><div style="width:100%; height:290px; padding:10px; border:3px solid #dddddd; background: #F6F6F6;">    <div class="pl_rank2">    인기 픽스터 Best 10     <div class="pl_rank2_ul">    <ul>    <?php    // $sql_common = " and mb_id != '{$config[cf_admin]}' "; 최고 관리자만 비노출    $sql_common = " and mb_level < 9 "; // 9레벨 이하만 노출    $rank_rows = 10; //출력 수    $sql = " select * from {$g5[member_table]} where mb_point > '{$row[mb_point]}' {$sql_common} order by mb_point desc, mb_today_login desc limit {$rank_rows} ";    $result = sql_query($sql);    for ($i=0; $row=sql_fetch_array($result); $i++) {        $rank = number_format($i + 1);        //$name = get_sideview($row['mb_id'], $row['mb_nick'], $row['mb_email'], $row['mb_homepage']);        $name = $row['mb_nick'];        $mbid = $row['mb_id'];        $point = number_format($row['mb_point']);        if ($rank == 1) {            $rank_bg = ' rank_bg1';        } else if ($rank == 2) {            $rank_bg = ' rank_bg2';        } else if ($rank == 3) {            $rank_bg = ' rank_bg3';        } else {            $rank_bg = '';        }    ?>    <?php    //게시물수 뽑기  $results = sql_query(" SELECT bo_table FROM $g5[board_table] ");   $mbid2 = $row['mb_id'];  $all_com = 0;   $all_art= 0;   $i2=0;     while ($row13 = sql_fetch_array($results)) {      $i2++; //테이블수     //총게시물     //$gul_su="select count(wr_is_comment) as ctt from g5_write_$row13[bo_table] where wr_is_comment='0' ";         //총코멘트     //$co_su="select sum(wr_is_comment) as ctt2 from g5_write_$row13[bo_table] where wr_is_comment='1' ";      //회원의 글수    $gul_su="select count(wr_is_comment) as ctt from g5_write_$row13[bo_table] where wr_is_comment='0' and mb_id = '$mbid2' ";     //회원의 코멘트수    $co_su="select sum(wr_is_comment) as ctt2 from g5_write_$row13[bo_table] where wr_is_comment='1' and mb_id = '$mbid2' ";         //게시물     $article = sql_fetch($gul_su);     $article_su=$article[ctt];     $all_art= $all_art +$article_su;         //코멘트     $comm= sql_fetch($co_su);     $comm_su=$comm[ctt2];     $all_com = $all_com+$comm_su;  } ?>        <li><a href="<?php echo G5_BBS_URL ?>/board.php?bo_table=01_04&sca=&frame=&sfl=wr_name%2C1&sop=and&stx=<?php echo $name ?>"><span class="rank_bg<?php echo $rank_bg; ?>"><?php echo $rank; ?></span><?php echo $name; ?><span class="rank_point "><span style="color:#002CDC;"><?=number_format($all_art)?>S</span>&nbsp;&nbsp;<?php echo $point; ?>P</span></a></li>    <?php } ?>    </ul>    </div>    </div></div>