public ActionResult Index(bool? singlemode, bool? ordered, int? topid)
 {
     Response.NoCache();
     var m = new SearchUsersModel 
     { 
         singlemode = singlemode ?? false, 
         ordered = ordered ?? false, 
         topid = topid 
     };
     return View(m);
 }
 public ActionResult MoveToTop(SearchUsersModel m)
 {
     return View("Results", m);
 }
 public ActionResult Results(SearchUsersModel m)
 {
     return View("Index", m);
 }