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/2015-10/115288">看完这个，真后悔当年没好好读书 </a>  下一篇：<a href="/News/2015-10/115290">学生提问：高三生成绩不稳定怎么办　  </a> ';
}