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/2021-4/196468">2020-2021高考地理二轮复习收官提升模拟卷 </a>  下一篇：<a href="/News/2021-4/196470">2021-2022高考化学鲁科版一轮复习学案 </a> ';
}