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/2012-10/54604">2013高三理科高效学习方法：养成好习惯 5 </a>  下一篇：<a href="/News/2012-10/54606">高考最后三天冲刺：理综复习应试宝典 2 </a> ';
}