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/2012-9/53464">2013高考数学一轮复习八大诀窍 </a>  下一篇：<a href="/News/2012-9/53466">名师赠与新高一10句金玉良言 </a> ';
}