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/2019-7/176121">2020版《红对勾》高考人教版数学理科总复习课件+作业 </a>  下一篇：<a href="/News/2019-7/176123">2020版《红对勾》高考人教版物理一轮复习课件+作业 </a> ';
}