}

    /**
     * Format timestamp
     */
    function formatTimestamp(date) {
        var hours = date.getHours();
        var minutes = date.getMinutes();
        var ampm = hours >= 12 ? 'PM' : 'AM';
        hours = hours % 12;
        hours = hours ? hours : 12;
        minutes = minutes < 10 ? '0' + minutes : minutes;
        return hours + ':' + minutes + ' ' + ampm;
    }

    /**