protected void Clear_Click(object sender, EventArgs e)
    {
        XmlUtil x_util = new XmlUtil();
        Hashtable State = (Hashtable)HttpRuntime.Cache[Session.SessionID];
        Util util = new Util();
        if (util.CheckSessionTimeout(State, Response, "../Default.aspx")) return;

        x_util.ClearMobileCommerce(State);

        MobileCommerceUsername.Text = "";
        MobileCommercePassword.Text = "";
        Message.Text = "Mobile Commerce has been cleared.";
    }