javascript实现的仿腾讯QQ窗口抖动效果代码

<img onerror="this.src='/statics/superweb999/images/image_error.jpg'"id="win" style="position:relative" src="/default/index/img?u=aHR0cDovL2ltYWdlczQuMTBxaWFud2FuLmNvbS8xMHFpYW53YW4vMjAxOTA3MzEvYl8wXzIwMTkwNzMxMTczMDM5MzY0NS5qcGc=" alt="javascript实现的仿腾讯QQ窗口抖动效果代码" title="javascript实现的仿腾讯QQ窗口抖动效果代码"><button onclick="zd()">振动</button>
[ctrl+a 全选 注:如需引入外部js需刷新才能执行]