function chkdiv(divid){
	var chkid=document.getElementById(divid);
	if(chkid != null){return true; }
	else {return false; }	
}
if (chkdiv('fy')){
	document.getElementById('fy').innerHTML='上一篇：<a href="/News/2018-9/166430">2018-2019学年高中英语北师大版必修四学业分层测评 </a>  下一篇：<a href="/News/2018-9/166432">【KS5U名校推荐】2019版衡中金榜高三一轮化学作业 </a> ';
}