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/2020-4/184639">2021版地理名师讲练大一轮复习中图版通用 </a>  下一篇：<a href="/News/2020-4/184641">2021版英语全能大一轮复习人教版 </a> ';
}