document.write('<br><span style="font-size:15px">上一篇</span> <a href=/shtmlnewsfiles/ecomnews/467/2011/201153013273154725.shtml  target="_blank">制冷空调知识大全</a><br><span style="font-size:15px">下一篇</span> <a href=/shtmlnewsfiles/ecomnews/467/2011/201153016491106558.shtml  target="_blank">安装中央空调常见问题</a>')