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/2021-10/203161">【新教材】2021-2022学年数学苏教版必修第二册练习课件 </a>  下一篇：<a href="/News/2021-10/203163">2021-2022学年人教版英语必修2练习 </a> ';
}