.net中实现listBox左右移动

<div style="width:200px; float:left;">
    <table>
    <tr>
        <td  width="50%">
        <asp:listbox id="listbox2" runat="server" height="128px" width="148px">
            <asp:listitem value="张三"></asp:listitem>
            <asp:listitem value="李四"></asp:listitem>
            <asp:listitem>王五</asp:listitem>
            </asp:listbox>
        </td>
        <td>
            <asp:button id="button2" runat="server" text="《"></asp:button>
            <asp:button id="button1" runat="server" text="<"></asp:button>
            <asp:button id="button3" runat="server" text=">"></asp:button>
            <asp:button id="button4" runat="server" text="》"></asp:button>
        </td>
        <td align="left" width="50%">
             <asp:listbox id="listbox1" runat="server" height="128px" width="148px"></asp:listbox>
        </td>
    </tr>
    </table>
    </div>