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/2021-5/198091">2021-2022学年新教材人教A版数学选择性必修第一册课后作业+章末综合测评 </a>  下一篇：<a href="/News/2021-5/198093">黑龙江省齐市八中2020-2021学年高二下学期期中考试 </a> ';
}