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/2018-4/160054">河北省衡水中学2018届高三十五模 </a>  下一篇：<a href="/News/2018-4/160056">2019版高考文科数学大一轮复习人教A版素材 </a> ';
}