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/2020-10/190453">2021新高考物理（山东专用）二轮复习专题限时集训+仿真模拟卷 </a>  下一篇：<a href="/News/2020-10/190455">2021新高考物理（山东专用）二轮复习课件 </a> ';
}