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/2019-10/178842">2019-2020同步中图版地理必修一新突破课件+讲义+作业 </a>  下一篇：<a href="/News/2019-10/178844">2019-2020同步中图版地理必修二新突破课件+讲义+练习 </a> ';
}