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/2009-2/10282">2009届高三物理考点针对训练 </a>  下一篇：<a href="/News/2009-2/10284">“为理想而努力”主题班会活动方案 </a> ';
}