$(window).on('keydown', function () {
    if (event.keyCode == 123)
        return false;
    else if (event.ctrlKey && event.shiftKey && event.keyCode == 73)
        return false;
    else if (event.ctrlKey && event.keyCode == 73)
        return false;
    else if (event.ctrlKey && event.shiftKey && event.keyCode == 74)
        return false;
    else if (event.ctrlKey && event.keyCode == 74)
        return false;
});

document.body.onkeyup = function (e) {
    if (e.keyCode == 32 && app.skippedIntro) {
        if (app.backgroundToggler) {
            app.videoElement.play();
            app.audioElement.play();
        } else {
            app.videoElement.pause();
            app.audioElement.pause();
        }

        return app.backgroundToggler = !app.backgroundToggler;
    }
}