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/2019-7/176188">2020版《第一方案》高考人教版物理总复习课件+练习 </a>  下一篇：<a href="/News/2019-7/176190">2020高考地理人教版总复习课件+练习 </a> ';
}