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/2021-8/201531">【新教材】2021-2022学年高一历史部编版必修上册课件 </a>  下一篇：<a href="/News/2021-8/201533">《新教材》2021-2022学年高一历史部编版选择性必修2课后练习 </a> ';
}