  // Initialize Firebase
        var config = {
            apiKey: "AIzaSyCivv6H7n-kjL1Xz5mM3SR1dVFMFjVFGkU",
            authDomain: "bloc-chat-f652a.firebaseapp.com",
            databaseURL: "https://bloc-chat-f652a.firebaseio.com",
            storageBucket: "bloc-chat-f652a.appspot.com",
            messagingSenderId: "571765348084"
    };
                firebase.initializeApp(config);
