document.write('<br><span style="font-size:15px">上一篇</span> <a href=/shtmlnewsfiles/ecomnews/733/2012/2012102613525007000.shtml  target="_blank">合理优化网站结构 吸引蜘蛛深入抓取网站</a><br><span style="font-size:15px">下一篇</span> <a href=/shtmlnewsfiles/ecomnews/733/2012/2012102614384537385.shtml  target="_blank">用户需求价值的展现和定位</a>')