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/2018-6/163924">【KS5U名校推荐】河北省武邑中学人教版高中语文必修四学案 </a>  下一篇：<a href="/News/2018-6/163926">2018版高中历史岳麓版必修二 课件+试题 </a> ';
}