public ActionResult Special(string Id)
        {
            var keyword = Request["keyword"];
            ViewBag.Type = Id;
            List<Auction> items;

            var proxy = new AuctionServiceClient("BasicHttpBinding_IAuctionService");
            proxy.Open();
            items = proxy.GetTopPriceAuctionsByCategory(Id, 0, 100).ToList();
            ViewData["groups"] = proxy.GetAllCategories().Select(e => e.Name).ToList();
            proxy.Close();
            return View(items);
        }