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/2010-3/20221">旅游地理素材：桂林山水 </a>  下一篇：<a href="/News/2010-3/20223">四川省威远中学2010届高三下学期生物周测 </a> ';
}