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/2020-10/189758">2020秋政治新教材部编版必修第三册等级评估课件 </a>  下一篇：<a href="/News/2020-10/189760">2020-2021学年中图版地理必修2教师用书 </a> ';
}