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/2013-9/73668">【步步为赢人教版】高中地理选修三第四章《旅游开发与保护》同步训练 </a>  下一篇：<a href="/News/2013-9/73670">【步步为赢人教版】选修三3.1旅游景观的审美特征同步训练 </a> ';
}