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/2012-10/55419">高二英语课件：牛津译林版选修6 </a>  下一篇：<a href="/News/2012-10/55421">高中生物实验题应试策略 </a> ';
}