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/2019-4/173985">2018-2019学年高二地理湘教版选修六同步讲义 </a>  下一篇：<a href="/News/2019-4/173987">河南省洛阳市孟津二高2019届高三第五次模拟 </a> ';
}