원하는 등급의 회원리스트 가져오기

<?php
     function get_member_opt_view($fild, $mb_id) 
      { 
      global $g5; 
       $sql = " select * from $g5[member_table]"; 
       $result = sql_query($sql); 
       for ($i=0; $row=sql_fetch_array($result); $i++) 
       { 
       $str .= "<option value='$row[mb_id]'"; 
       if ($row[mb_id] == $fild or $row[mb_id] == $mb_id) $str .= " selected"; 
       $str .= ">$row[mb_id]($row[mb_name])</option>"; 
        } 
       return $str; 
       } 
?>

<select onchange="document.getElementById('wr_1').value = this.options[this.selectedIndex].value">
    <option value="">회원선택</option>
    <?php echo get_member_opt_view($fild, $mb_id) ?>
</select>