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/2013-3/62790">北京市房山区房山中学2013届高三下学期摸底考试 </a>  下一篇：<a href="/News/2013-3/62792">CNN讲解2013-01月份文本+mp3+LRC字幕 </a> ';
}