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/2013-3/63437">2013届高考生物二轮复习全攻略：稳态与环境 </a>  下一篇：<a href="/News/2013-3/63439">【Ks5u发布】江苏省扬州中学2013届高三3月月考 </a> ';
}