支持IE,firefxo,chrome浏览器下鼠标拖动和拖拽的鼠标指针特效_布局与层

核心代码：

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>鼠标拖动和拖拽的鼠标指针特效</title> <style> #box{width:100px;height:100px;background:#966;position:absolute;left:100px;top:100px;cursor:pointer;} </style>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]