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/2011-11/40042">广东省广雅中学11-12学年高二上学期期中考试 </a>  下一篇：<a href="/News/2011-11/40044">怎样克服会做的题但是总出错 </a> ';
}