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/2012-11/58107">高三地理第一轮复习计划 </a>  下一篇：<a href="/News/2012-11/58109">五种食物缓解考生压力 </a> ';
}