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/2018-8/165940">2018-2019数学新学案同步选修1-1人教A全国通用版课件+讲义 </a>  下一篇：<a href="/News/2018-8/165942">2018-2019数学新学案同步必修五人教A版全国通用版精致讲义 </a> ';
}