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/2018-6/163378">2019版一轮优化探究文数（人教A版）课件+练习 </a>  下一篇：<a href="/News/2018-6/163380">2018-2019学年高中新创新一轮复习英语译林版 课件+讲义+练习 </a> ';
}