<h2>메인메뉴</h2>
<ul class="gnb_1dul">
               <?php
               $sql = " select *
                           from {$g5['menu_table']}
                           where me_mobile_use = '1'
                             and length(me_code) = '2'
                           order by me_order, me_id ";
               $result = sql_query($sql, false);

               for($i=0; $row=sql_fetch_array($result); $i++) {
               ?>
                   <li class="gnb_1dli">
                       <a href="<?php echo $row['me_link']; ?>" target="_<?php echo $row['me_target']; ?>" class="gnb_1da"><?php echo $row['me_name'] ?></a>
                       <?php
                       $sql2 = " select *
                                   from {$g5['menu_table']}
                                   where me_mobile_use = '1'
                                     and length(me_code) = '4'
                                     and substring(me_code, 1, 2) = '{$row['me_code']}'
                                   order by me_order, me_id ";
                       $result2 = sql_query($sql2);

                       for ($k=0; $row2=sql_fetch_array($result2); $k++) {
                           if($k == 0)
                               echo '<button class="btn_gnb_op">하위분류</button><ul class="gnb_2dul">'.PHP_EOL;
                       ?>
                           <li class="gnb_2dli"><a href="<?php echo $row2['me_link']; ?>" target="_<?php echo $row2['me_target']; ?>" class="gnb_2da"><?php echo $row2['me_name'] ?></a></li>
                       <?php
                       }

                       if($k > 0)
                           echo '</ul>'.PHP_EOL;
                       ?>
                   </li>