document.write (" <div class=contentupdown style='text-align:center;width:98%;'><div id=contentup style='float:left'><strong>上一篇:</strong><a href=/jdcms/news_view.asp?newsid=304 title=滤水器>滤水器</a></div><div id=contentup style='float:right'><strong>下一篇:</strong>没有了</div></div>");