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/2019-5/174994">2020高考历史新一线大一轮专题复习模式人民版课件+讲义+精练 </a>  下一篇：<a href="/News/2019-5/174996">2020高考历史新一线大一轮专题复习模式北师大版课件+讲义+精练 </a> ';
}