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/2009-2/10077">海淀高三整一年备考详密计划 </a>  下一篇：<a href="/News/2009-2/10080">【英语】单选题如何步步为赢 </a> ';
}