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/2017-6/146045">2016-2017学年高一语文（语文版必修1）课时作业 </a>  下一篇：<a href="/News/2017-6/146047">高一英语冀教版必修1同步练习 </a> ';
}