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/2018-2/157373">2017-2018学年高二历史北师大版必修三文档 </a>  下一篇：<a href="/News/2018-2/157376">浙江省安吉县上墅私立高级中学2017-2018学年高一上学期期末考试 </a> ';
}