public ActionResult LogIn(Anketa_Proekt.Models.Louse user)
        {
            //if (ModelState.IsValid)
            //{
                if (user.isValidUser(user.e_mail, user.lozinka))
                {
                    //FormsAuthentication.SetAuthCookie(user.e_mail, true);
                    //FormsAuthentication.SetAuthCookie()
                    using (var db = new AnketiEntities5())
                    {
                        var query = from a in db.Lice
                                    where a.e_mail.Equals(user.e_mail) & a.lozinka.Equals(user.lozinka)
                                    select a.id_lice;

                        int idLice = query.FirstOrDefault();

                        Session["id_lice"] = idLice;
                        return RedirectToAction("Index", "Anketa");
                    }
                }
                else
                {
                    ModelState.AddModelError("", "Login data is incorrect!");
                }
            //}
            return View(user);
        }