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/2018-12/170464">2019版高考生物浙江选考二轮专题复习教师用书 </a>  下一篇：<a href="/News/2018-12/170466">2019高考语文浙江专用版优编增分练 </a> ';
}