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/2023-3/209107">2023届高考数学导数满分通关38讲 </a>  下一篇：<a href="/News/2023-3/209109">【KS5u发布】山东省临沂市2022-2023学年高二上学期期末 </a> ';
}