Partially updating a webpage without refresh, using ajax Timer

Hi frienz,
wishing u all a merry Xmas. last day i was trying to hijack the countdown of rapid-share. My bad i think they where having some piece of script their but i didn't find anything :(. Then i done some googling and got some piece  that they are using some server side code. I hope they are using ajax without post-back they need it, i hope so
Demo

On aspx file

<form id="form1" runat="server">

    <div>

        <asp:ScriptManager ID="ScriptManager1" runat="server">

        </asp:ScriptManager>

        <div>

            <asp:UpdatePanel ID="UpdatePanel1" runat="server">

                <Triggers>

                    <asp:AsyncPostBackTrigger ControlID="Timer1" EventName="Tick" />

                </Triggers>

                <ContentTemplate>

                    <asp:Timer ID="Timer1" runat="server" Interval="1000" OnTick="Timer1_Tick">

                    </asp:Timer>

                    <center>

                        <h1>

                            <asp:Label ID="lblTimer" ForeColor="Brown" runat="server"></asp:Label>

                        </h1>

                    </center>

                </ContentTemplate>

            </asp:UpdatePanel>

        </div>

        <table><tr><td>Simply asp.net</td></tr></table>

    </div>

    </form>

on Aspx.cs file

    protected void Page_Load(object sender, EventArgs e)

    {

        if (!IsPostBack)

        {

        }

    }

    protected void Timer1_Tick(object sender, EventArgs e)

    {

        lblTimer.Text = DateTime.Now.Hour.ToString() + " Hours " + DateTime.Now.Minute.ToString() + " Minutes " + DateTime.Now.Second.ToString() + " Seconds " + DateTime.Now.Millisecond.ToString()+" Milliseconds ";

    }

hope u Got what u looking

Have a nice day... 'N happy Coding :)