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/2019-11/179875">2020高考数学（理科）新精准大二轮课件+精准练 </a>  下一篇：<a href="/News/2019-11/179877">2020高考历史新思维大二轮课件+练习 </a> ';
}