JavaScript 滑移效果

自动滑移:

<div id="cc" style="height:200px; width:500px; border:1px solid #000000;　position:relative;overflow:hidden;">
　<div id="idSlippage3" style="width:10px; height:10px; background:#000000; position:absolute; z-index:99; top:50px; left:50px;"> </div>
</div>
定点滑移:（鼠标点击）

<div id="aa" style="height:200px; width:500px; border:1px solid #000000; overflow:hidden;">
　<div id="idSlippage" style="width:10px; height:10px; background:#000000; position:absolute; z-index:99; top:-50px; left:50px;"> </div>
</div>
定线滑移:（鼠标拖动轨迹）
<div id="bb" style="height:200px; width:500px; border:1px solid #000000; overflow:hidden;">
　<div id="idSlippage2" style="width:10px; height:10px; background:#000000; position:absolute; z-index:99; top:-50px; left:50px;"> </div>
</div>
</body>
</html>