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/2020-4/184067">2020新课标高考政治二轮总复习课件+作业 </a>  下一篇：<a href="/News/2020-4/184069">2020新课标高考化学二轮复习 </a> ';
}