w 그리고 u 는 무엇이죠?

w=u

>> w 는 무엇이죠?

>> u 는 무엇이죠?

<div class="btn_fixed_top">
    <?php if ($prev_item['it_id']) { ?><a href="./itemform.php?w=u&amp;it_id=<?php echo $prev_item['it_id']; ?>" class="btn btn_02">이전상품</a><?php } ?>
    <?php if ($next_item['it_id']) { ?><a href="./itemform.php?w=u&amp;it_id=<?php echo $next_item['it_id']; ?>" class="btn btn_02">다음상품</a><?php } ?>
    <a href="./itemlist.php?<?php echo $qstr; ?>" class="btn btn_02">목록</a>
    <a href="<?php echo shop_item_url($it_id); ?>" class="btn_02  btn">상품보기</a>
    <input type="submit" value="확인" class="btn_submit btn" accesskey="s">
</div>