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/2021-3/196078">2022高考数学文人教A版一轮复习课件 </a>  下一篇：<a href="/News/2021-3/196080">2020-2021高考数学（全国统考版）二轮复习梳理纠错预测学案 </a> ';
}