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/2015-11/116953">高二岳麓版历史选修一教学案 </a>  下一篇：<a href="/News/2015-11/116955">2015-2016学年高一地理湘教版必修一练习 </a> ';
}