if(document.getElementById('relative'))document.getElementById('relative').innerHTML='<div>前一篇：<a href=\"/other/chem_knowledge/show.asp?id=145050\" target=\"_self\">菲岛大规模种植\'柴油树\'</a></div>\n<div>后一篇：<a href=\"/other/chem_knowledge/show.asp?id=149072\" target=\"_self\">伊拉克石油前景</a></div>\n';