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/2010-3/23706">2010高考热点：甲型流感 </a>  下一篇：<a href="/News/2010-3/23708">2010高考物理选择题专项练习 </a> ';
}