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/2013-4/66045">2013迎高考生物预测系列汇总 </a>  下一篇：<a href="/News/2013-4/66047">2013生物会考资料参考 </a> ';
}