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/2020-10/190471">2021高考通史历史统考版二轮复习学案 </a>  下一篇：<a href="/News/2020-10/190473">2021高考地理统考版二轮复习专题限时集训+选择题提速练+选择题标准练+非选择题提速练+单科标准练 </a> ';
}