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/2019-12/180504">2020数学（文、理）二轮通用版课件+教师用书+专题限时集训 </a>  下一篇：<a href="/News/2019-12/180506">2020地理二轮课件+教师用书+专题突破练+对对练 </a> ';
}