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<head>
<meta http-equiv="content-type" content="texthtml;charset=utf-8">
<title>Menu</title>
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<body>
<ul id="nav">
<li class="child">數 據 庫
<ul id="menu">
<li><a >MySQL</a></li>
<li><a >SQL Server</a></li>
<li><a >Oracle</a></li>
<li><a >DB2</a></li>
</ul>
</li>
<li class="child">前臺腳本
<ul id="menu">
<li><a >JavaScript</a></li>
<li><a >Ruby</a></li>
<li><a >HTML</a></li>
<li><a >Python</a></li>
</ul>
</li>
<li class="child">后臺腳本
<ul id="menu">
<li><a >PHP</a></li>
<li><a >ASP</a></li>
<li><a >ASP.NET</a></li>
<li><a >JSP</a></li>
</ul>
</li>
</ul>
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