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/2016-3/121847">高二地理人教版选修六《环境保护》配套学案 </a>  下一篇：<a href="/News/2016-3/121849">河北省武邑中学2015-2016学年高中语文必修一学案 </a> ';
}