protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                // save return URL
                ViewState["ReturnUrl"] = Request.UrlReferrer.ToString();

                // toggle panels
                ShowPanels(false);

                // domain name
                DomainInfo domain = ES.Services.Servers.GetDomain(PanelRequest.DomainID);
                litDomainName.Text = domain.DomainName;
                if (Utils.IsIdnDomain(domain.DomainName))
                {
                    litDomainName.Text = string.Format("{0} ({1})", Utils.UnicodeToAscii(domain.DomainName), domain.DomainName);
                }
            }
        }