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/2017-7/147018">福建省惠安惠南中学2016-2017学年高二下学期5月月考试题 </a>  下一篇：<a href="/News/2017-7/147022">全优指导2017高考物理二轮（云南）课件汇总 </a> ';
}