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/2018-5/162384">2019届高考物理一轮复习全国版课件+教师用书 </a>  下一篇：<a href="/News/2018-5/162386">2018-2019学年高中新三维一轮复习地理湘教版：课时跟踪检测 </a> ';
}