enableAnswerButton function enabled var buttons game button if enabled

enableAnswerButton = function (enabled) {
    var $buttons = $(".game.button");
    if (!enabled) {
        $buttons.removeClass("on");
        $buttons.addClass("off");
    } else {
        $buttons.removeClass("off");
        $buttons.addClass("on");
    }
};

enableBankButton = function (enabled) {
    var $bankBtn = $(".game.bank_gold, .game.bank_silver");
    if (enabled) {
        $bankBtn.removeClass("bank_silver");
        $bankBtn.addClass("bank_gold");
    } else {
        $bankBtn.removeClass("bank_gold");
        $bankBtn.addClass("bank_silver");
    }
};

displayScore = function (bank, costID) {
    var $bankBtn = $(".game.bank_gold, .game.bank_silver");
    var $costs = $(".game.little_cost_blue, .game.little_cost_red");
    $($bankBtn.children("span")[0]).text(bank);
    $costs.removeClass("little_cost_red");
    $costs.addClass("little_cost_blue");
    $($costs[costID]).addClass("little_cost_red");
};

displayBank = function (bank) {
    var $bankBtn = $(".game.bank_gold, .game.bank_silver");
    $($bankBtn.children("span")[0]).text(bank);
};

displayCost = function (costID) {
    var $costs = $(".game.little_cost_blue, .game.little_cost_red");
    $costs.removeClass("little_cost_red");
    $costs.addClass("little_cost_blue");
    $($costs[costID]).addClass("little_cost_red");
};

displayPlayers = function (players) {
    var $players = $(".game.player");
    $players.each(function (index, elem) {
        $(elem).removeClass("gold");
        $(elem).addClass("blue");
        $($(elem).children("span")[0]).text(players[index]);
    })
};

refreshTime = function (t) {};

highlightCurrentPlayer = function (id) {
    var $players = $(".game.player");
    $players.removeClass("gold");
    $players.addClass("blue");
    $players.each(function (index, elem) {
        if ($($(elem).children("span")[0]).text() == id) {
            $(elem).addClass("gold");
        }
    })
};

displayQuestion = function (quest) {
    var $question = $(".game.question");
    $question.text(quest);
};

displayAnswers = function (answers) {
    var $answers = $(".game.button");
    $answers.removeClass("selected correct");
    $answers.each(function (index, elem) {
        $(elem).text(answers[index]);
    })
};

selectAnswer = function (selected) {
    var $answers = $(".game.button");
    $($answers[selected]).addClass("selected");
};

displayCorrectAndSelectedAnswer = function (selected, correct) {
    var $answers = $(".game.button");
    $($answers[selected]).addClass("selected");
    $($answers[correct]).addClass("correct");
};