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/2011-3/33677">【湖南师大附中内部资料】高三物理课件 </a>  下一篇：<a href="/News/2011-3/33679">河北省衡水中学10-11学年高二上学期期末考试 </a> ';
}