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/2018-4/160566">2019版高考数学（文）一轮复习教师用书 </a>  下一篇：<a href="/News/2018-4/160568">2019版高考英语一轮话题复习人教全国版课件：语法专题 </a> ';
}