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/2015-9/114992">高一人教版数学必修一精品教案全集 </a>  下一篇：<a href="/News/2015-9/114994">【名师伴你行】2015-2016学年人教版必修一课堂达标检测 </a> ';
}