             logoutButton.hidden = false
             newPerspective.hidden = false
             loginButton.hidden = true
+            signupButton.hidden = true
         } else {
             usernameText.text = ""
             logoutButton.hidden = true
             loginButton.hidden = false
             newPerspective.hidden = true
+            signupButton.hidden = false
         }
     }
     

        } else {
            usernameText.text = ""
        }
        // Do any additional setup after loading the view.
    }
    
    override func didReceiveMemoryWarning() {

    @IBOutlet weak var newPerspective: UIButton!
    
    @IBOutlet weak var loginButton: UIButton!
    
    @IBOutlet weak var signupButton: UIButton!
    
    @IBOutlet weak var playbackButton: UIButton!
    
    func displayUsername(){
        var currentUser = PFUser.currentUser()
