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/2019-7/175861">2020届高考物理人教版总复习课件+作业 </a>  下一篇：<a href="/News/2019-7/175863">【KS5U发布Word版】江苏省盐城市2018-2019学年高二下学期期末考试 </a> ';
}