document.getElementById('nextId').innerHTML='<p>下一篇：<a href=/news/lrjk/20090316102024.html>老人吃粥养生配点干粮</a></p><p>上一篇：<a href=/news/lrjk/20090316102133.html>跳舞时老年人需注意的事项</a></p>'