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/2017-7/146872">2017届高考英语北师大版一轮复习单元练习 </a>  下一篇：<a href="/News/2017-7/146874">2017届高三广东北师大版英语一轮复习学案 </a> ';
}