 readBlob();
        var percent = Math.round((g_loaded * 100) / g_total);
        document.getElementById('status').innerText = percent + "%";
        document.getElementById('progressOne').value = percent;
    }

    function readBlob() {
        var blob = g_file.slice(g_loaded, g_loaded + g_step);
        g_reader.readAsArrayBuffer(blob);
    }

    function stop() {
        g_enableRead = false;
        g_reader.abort();
    }

    function goon() {
        g_enableRead = true;
        readBlob();
    