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/2009-1/9238">千金不易：高考生物经典易混、易错考点汇总 </a>  下一篇：<a href="/News/2009-1/9240">轻装上阵&nbsp;复读生突破发挥失常怪圈三步法 </a> ';
}