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/2019-5/175140">2020高考江苏生物大一轮复习课件+检测 </a>  下一篇：<a href="/News/2019-5/175142">2020人教版高中语文一轮复习课件+教师用书+练习 </a> ';
}