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/2012-10/54138">2013高考地理知识点 "内流河"与"外流河" </a>  下一篇：<a href="/News/2012-10/54140">2013高考地理知识点:重要城市气候类型 </a> ';
}