if emailUserPicString == "" {
                                let alertController = UIAlertController(title: "Profile Picture Error", message: "Don't forget to choose a profile picture!", preferredStyle: UIAlertControllerStyle.alert)

                                let okAction = UIAlertAction(title: "OK", style: UIAlertActionStyle.default, handler: {(alert :UIAlertAction!) in
                                })
                                alertController.addAction(okAction)

                                self.present(alertController, animated: true, completion: nil)

                                return
                            } else {
                                self.performSegue(withIdentifier: "emailToSetup", sender: nil)
                            }

@IBAction func emailSignupNextPressed(_ sender: Any) {
    // Make sure text fields aren't empty
    guard nameField.text != "", emailField.text != "", passwordField.text != "", confirmPasswordField.text != "" else {return}

    if passwordField.text == confirmPasswordField.text {
        Auth.auth().createUser(withEmail: emailField.text!, password: passwordField.text!, completion: { (user, error) in

            if let error = error {
                print(error.localizedDescription)
            }

            if let user = user {

                guard let uid = Auth.auth().currentUser?.uid else {return}

                // Use name as Firebase display name for readability
                let changeRequest = Auth.auth().currentUser!.createProfileChangeRequest()
                changeRequest.displayName = self.nameField.text!
                changeRequest.commitChanges(completion: nil)

                // Create child node from userStorage "users". Profile image set to user's unique ID
                let imageRef = self.userStorage.child("(uid).jpg")
                let data = UIImageJPEGRepresentation(self.selectProfileImageView.image!, 0.5)

                // Upload image to Firebase
                let uploadTask = imageRef.putData(data!, metadata: nil, completion: { (metadata, err) in
                    if err != nil {
                        print(err!.localizedDescription)
                    }
                    imageRef.downloadURL(completion: { (url, er) in
                        if er != nil {
                            print(er?.localizedDescription as Any)
                        }
                        if let url = url {

                            emailUserPicString = url.absoluteString
                            print("nnnpic:(emailUserPicString)nnn")
                            if emailUserPicString == "" {
                                let alertController = UIAlertController(title: "Profile Picture Error", message: "Don't forget to choose a profile picture!", preferredStyle: UIAlertControllerStyle.alert)

                                let okAction = UIAlertAction(title: "OK", style: UIAlertActionStyle.default, handler: {(alert :UIAlertAction!) in
                                })
                                alertController.addAction(okAction)

                                self.present(alertController, animated: true, completion: nil)

                                return
                            } else {
                                self.performSegue(withIdentifier: "emailToSetup", sender: nil)
                            }
                        }
                    })
                })
                uploadTask.resume()
            }
        })
    } else {
        print("Passwords don't match")
        passwordAlert()
    }
}