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/2017-6/145454">2017-2018学年高一语文鲁人版必修4教师用书 </a>  下一篇：<a href="/News/2017-6/145456">黑龙江省鸡西市第十九中学人教版高中语文必修三教案 </a> ';
}