public bool Authenticate(User prof)
        {
            //Check for prof.Username to be in dbo.tlProfessors
            //Otherwise return false because we need to be able
            //to tie the username to their classes and what not.

            string inDB = Database.ScalarString(@"SELECT COUNT(*)
                                    FROM tlProfessors
                                    WHERE CBAUserName = '******'");

            try
            {
                if ( !(Convert.ToInt32(inDB) > 0) )
                    return false;
            }
            catch
            {
                return false;
            }

            if (!this.ModelState.IsValid)
                return false;

            if (Membership.ValidateUser(prof.Username, prof.Password))
            {
                FormsAuthentication.SetAuthCookie(prof.Username, true);
                return true;
            }

            return false;
        }
        public ActionResult Index(User prof)
        {
            if (Authenticate(prof))
                Session["User"] = prof.Username;
            else
            {
                ModelState.AddModelError(String.Empty, "Incorrect Username/Password");
                return View();
            }

            return RedirectToAction("Home");
        }
        public ActionResult Home(User prof)
        {
            if (!CheckCookie())
                return RedirectToAction("Index");

            return View();
        }