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/2012-9/53557">名师指导：高考地理一轮复习策略 </a>  下一篇：<a href="/News/2012-9/53559">高中地理有关太阳视运动的做题技巧 </a> ';
}