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/2009-4/11777">高考生物方法技巧与易混易错总结 </a>  下一篇：<a href="/News/2009-4/11779">各地08-09学年高一历史3月月考精选 </a> ';
}