<?php echo '<div class="' . (is_singular() ? 'adi' : 'ad') . '">' ?><a href="http://j.union.ijinshan.com/jump.php?u_key=62921" target="_blank"><img src="http://www.wsbeta.cn/images/mobilad.png" alt="网商资讯移动版" width="300" height="60" border="0"></a><?php echo '</div>'; ?>