포인트랭킹에서 레벨10은 제외하려고합니다

<?php
    //$sql = " select SUM(IF(a.po_point>0,a.po_point,0)) AS sumpoint, b.mb_point, b.mb_nicname from {$g5['point_table']} a, {$g5['member_table']} b where a.mb_id=b.mb_id group by a.mb_id order by sumpoint desc limit 0, 50 ";
    //$sql = " select SUM(IF(po_point>0,po_point,0)) AS sumpoint, mb_id from {$g5['point_table']} where mb_id != 'qadmin' group by mb_id order by sumpoint desc  limit 0, 50";
    $sql = " SELECT SUM(IF(a.po_point>0,a.po_point,0)) AS sumpoint, b.mb_id, b.mb_point, b.mb_nick FROM {$g5['point_table']} a, {$g5['member_table']} b WHERE a.mb_id=b.mb_id AND b.mb_id != 'qadmin' GROUP BY a.mb_id ORDER BY mb_point DESC limit 0, 50";
    $result = sql_query($sql);

    for ($i=0; $row=sql_fetch_array($result); $i++) {
        //$sql2 = " select * from {$g5['member_table']} where mb_id= '{$row['mb_id']}' ";
        //$row2 = sql_fetch($sql2);
    ?>
            <tr>
                  <td class="rank"><?=$i+1?>위</td>
                  <td class="left"><?=level_icon($row['mb_id'])?> <?=$row['mb_nick']?></td>
                  <td><?=number_format($row['sumpoint'])?>점</td>