if(document.getElementById('relative'))document.getElementById('relative').innerHTML='<div>前一篇：<a href=\"/other/chem_knowledge/show.asp?id=160957\" target=\"_self\">纸货市场的概念</a></div>\n<div>后一篇：<a href=\"/other/chem_knowledge/show.asp?id=160959\" target=\"_self\">什么是国际市场油价</a></div>\n';