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/2018-4/159670">2019版高考生物一轮复习苏教版课时分层集训 </a>  下一篇：<a href="/News/2018-4/159672">2019版高考生物一轮复习苏教版课件 </a> ';
}