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/2013-3/62766">甘肃省定西市渭源二中2012-2013学年高一上学期期末考试试题 </a>  下一篇：<a href="/News/2013-3/62768">安工大附中高一数学教案：必修3 </a> ';
}