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/2015-6/108468">虎妈赵薇的那些烦心事儿，你有吗？ </a>  下一篇：<a href="/News/2015-6/108470">北林大优势专业3大特点：绿色、低碳、环保 </a> ';
}