Function refresh

buttons.js:16–24

()

        var activeElement = elements[initialActiveIndex];

        var refresh = function () {
            for (var i = 0; i < elements.length; ++i) {
                if (elements[i] === activeElement) {
                    elements[i].className = 'button-selected';
                } else {
                    elements[i].className = 'button-unselected';
                }
            }
        };

        for (var i = 0; i < elements.length; ++i) {
            (function () { //create closure to store index