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/2018-9/166905">金版学案2018-2019学年物理（粤教版）选修3-2课件+试题 </a>  下一篇：<a href="/News/2018-9/166907">辽宁省北票市高级中学高中历史岳麓版必修二学案 </a> ';
}