Darep/Beatstream

// Helper for identifying keys
window.keyCode = window.keyCode || {
    UP: 38,
    DOWN: 40,
    LEFT: 37,
    RIGHT: 39,
    BACKSPACE: 8,
    TAB: 9,
    DELETE: 46,
    ENTER: 13,
    ESCAPE: 27,
    A: 65
};