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/2019-11/179737">黑龙江省绥化市青冈县第一中学2019-2020学年高一上学期（A班）期中考试 </a>  下一篇：<a href="/News/2019-11/179739">2020版物理新攻略总复习课标通用版课件+精练 </a> ';
}