直接全部展开显示，没有手风琴效果
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<head>
<title>面板折叠插件</title>
<link href="Css/jquery-ui.css" rel="stylesheet" type="text/css" />
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</head>
<body>
<div id="divtest">
<div id="accordion">
<h3>
<a href="#">我最爱吃的水果</a></h3>
<li>橘子</li>
<li>苹果</li>
<li>葡萄</li>
<li>香蕉</li>
<h3>
<a href="#">我最喜欢的运动</a></h3>
<li>足球</li>
<li>篮球</li>
<li>乒乓球</li>
<li>骑车</li>
</div>
</div>
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