public void LogOut()
{
cookie.DeleteCookies();
Session["keywords"] = null;
dataParser.ParseAllData();
var user = new StudentUser("Not logged in", "", "", -1, SchoolCourses.VisAlt);
var modelWrapper = CreateModelDataWrapper(DataWrapper.Instance.GetEventsWithName(user), user);
CultureManager.UpdateCulture(HttpContext.Request);
HttpContext.Response.Redirect(HttpContext.Request.UrlReferrer.AbsolutePath);
}