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/2015-8/112995">astronaut 宇航员这个单词怎么样速记 </a>  下一篇：<a href="/News/2015-8/112997">专家指导：高三考生如何克服疲惫状态 </a> ';
}