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/2018-3/158601">2017-2018学年高中英语北师大版必修一课件 </a>  下一篇：<a href="/News/2018-3/158603">2019届高考一轮复习备考资料之政治人教版课件 </a> ';
}