if(document.getElementById('relative'))document.getElementById('relative').innerHTML='<div>前一篇：<a href=\"/other/chem_knowledge/show.asp?id=612196\" target=\"_self\">开车小误区：汽油标号越高动力越好</a></div>\n<div>后一篇：<a href=\"/other/chem_knowledge/show.asp?id=615473\" target=\"_self\">石油百科：润滑油是怎样加工的</a></div>\n';