学步园

 <select id="cc" style="width:150px"></select>
    <div id="sp">
        <div style="color:#99BBE8;background:#fafafa;padding:5px;">Select a language</div>
        <input type="radio" name="lang" value="01"><span>Java</span><br/>
        <input type="radio" name="lang" value="02"><span>C#</span><br/>
        <input type="radio" name="lang" value="03"><span>Ruby</span><br/>
        <input type="radio" name="lang" value="04"><span>Basic</span><br/>
        <input type="radio" name="lang" value="05"><span>Fortran</span>
    </div>
    <script type="text/javascript">
        $(function(){
            $('#cc').combo({
                required:true,
                editable:false
            });
            $('#sp').appendTo($('#cc').combo('panel'));
            $('#sp input').click(function(){
                var v = $(this).val();
                var s = $(this).next('span').text();
                $('#cc').combo('setValue', v).combo('setText', s).combo('hidePanel');
            });
        });
    </script>