if(document.getElementById('relative'))document.getElementById('relative').innerHTML='<div>前一篇：<a href=\"/other/chem_knowledge/show.asp?id=181936\" target=\"_self\">什么是资源税</a></div>\n<div>后一篇：<a href=\"/other/chem_knowledge/show.asp?id=185257\" target=\"_self\">国外石油储备制度</a></div>\n';