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/2019-7/175842">2020版新一线高考历史北师大版一轮复习课件+练习+讲义 </a>  下一篇：<a href="/News/2019-7/175844">2020版新一线高考历史（岳麓版）一轮复习课件+练习+讲义 </a> ';
}