这是一款鼠标悬停时动态翻滚的导航条，注意这里用了两个背景图，请等待网页加载完成或多刷新几次，这个是使用JavaScript实现的，不过代码好像是从jQuery里摘出来的，有点像。
运行效果截图如下：
在线演示地址如下：
具体代码如下：
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