JQUERY的 搜索下拉框

<select name="supplier_id">
    <option>小</option>
    <option>小超</option>
    <option>小超人</option>    
</select>

<link rel="stylesheet" type="text/css" href="__PUBLIC__/Admin/css/lib/comboselect/combo.select.css">
<script type="text/javascript" src="__PUBLIC__/Admin/js/lib/comboselect/jquery.combo.select.js"></script>
<style type="text/css">
    .combo-input {
        padding: 3px;
    }
    .combo-select {
        margin-bottom: 0px; 
        border: 0px #ccc solid; 
    }
    .combo-arrow:before {
        border-top: 5px solid #333;
        right: 5px;
    }
</style>
<script type="text/javascript">
    $(function() {
        $("select[name$=\'supplier_id\']").comboSelect();
    });
</script>