if(document.getElementById('relative'))document.getElementById('relative').innerHTML='<div>前一篇：<a href=\"/other/chem_knowledge/show.asp?id=322629\" target=\"_self\">普通柴油和加氢柴油的区别</a></div>\n<div>后一篇：<a href=\"/other/chem_knowledge/show.asp?id=322635\" target=\"_self\">柴油</a></div>\n';