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/2012-4/47010">2012高二数学湘教版选修2-1课件 </a>  下一篇：<a href="/News/2012-4/47012">2012届高考语文三轮冲刺专题：文言文测试题 </a> ';
}