function saveToFB(gamename,date,time,description, email) {
    //loguje usera na sztywno
    var auth = firebase.auth();
    var email = "a@a.com"
    var pass = "aaaaaa"
    auth.signInWithEmailAndPassword(email, pass);

    //pobieram info o zalogowanym userze
    var user = firebase.auth().currentUser;
    if (user) {
    var email = user.email;
} else {
  email = "brak";
}
    // this will save data to Firebase
    gamesRoot.push({
        gamename: gamename,
        date: date,
        time: time,
        description: description,
        email: email
    });
};