一个图片轮换显示的实现，使用DIV+JS，支持Firefox，IE，Safiri

<div id="container" style="">
    <div id="subdiv1" style="height:200px;width:200px;position:absolute;top:0px;filter:alpha(opacity=100);moz-opacity: 1"></div>
    <div id="subdiv2" style="height:200px;width:200px;position:absolute;top:0px;filter:alpha(opacity=0);moz-opacity: 0"></div>
</div>
>