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/2010-2/18256">2010高考物理真题“对点”精练精析 </a>  下一篇：<a href="/News/2010-2/18258">2010高考真题“对点”精练精析 </a> ';
}