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/2019-7/175955">2019-2020学年新一线同步外研版高中英语必修五课件+讲义+练习 </a>  下一篇：<a href="/News/2019-7/175957">2019-2020学年新一线北师大版高中英语必修五课件+讲义 </a> ';
}