jquery easyUI使用JS显示Dialog

<meta http-equiv="content-type" content="text/html;charset=UTF-8" />
    <title>jquery easyUI使用JS显示Dialog--www.jbxue.com</title>
    <script src="jquery-easyui-1.3.4/jquery-1.8.0.min.js" type="text/javascript"></script>
    <script src="jquery-easyui-1.3.4/jquery.easyui.min.js" type="text/javascript"></script>
    <script src="jquery-easyui-1.3.4/locale/easyui-lang-zh_CN.js" type="text/javascript"></script>
    <link href="jquery-easyui-1.3.4/themes/icon.css" rel="stylesheet" type="text/css" />
    <link href="jquery-easyui-1.3.4/themes/default/easyui.css" rel="stylesheet" type="text/css" />
 <script type="text/javascript">
        $(function () {
            $("#myDialog").dialog({
                modal: true,
                collapsible: true, //设置可折叠
                toolbar: [{   //设置工具栏数组
                    text: '添加',
                    iconCls: 'icon-add',
                    handler: function () {
                        $.messager.show({ showType: "fade", msg: "添加数据", title: "提示", timeout: 1000 });
                    }
                }, {
                    text: '保存',
                    iconCls: 'icon-save',
                    handler: function () {
                        $.messager.show({ showType: "fade", msg: "保存数据", title: "提示", timeout: 1000 });
                    }
                }],
                buttons: [{ //设置下方按钮数组
                    text: '提交',
                    iconCls: 'icon-ok',
                    handler: function () {
                        $.messager.show({ showType: "fade", msg: "提交数据", title: "提示", timeout: 1000 });
                    }
                }, {
                    text: '取消',
                    iconCls: 'icon-cancel',
                    handler: function () {
                    }
                }]
            });
        });
    </script>