function refreshProgress()
{
    UploadMonitor.getUploadInfo(updateProgress);
}

function updateProgress(uploadInfo)
{
	
    if (uploadInfo.inProgress)
    {	
        var fileIndex = uploadInfo.fileIndex;
		
        var progressPercent = Math.ceil((uploadInfo.bytesRead / uploadInfo.totalSize) * 100);

        document.getElementById('progressBarText').innerHTML = 'Progreso da subida: ' + progressPercent + '%';

        document.getElementById('progressBarBoxContent').style.width = parseInt(progressPercent * 3.5) + 'px';

        window.setTimeout('refreshProgress()', 1000);
    }

    return true;
}

function startProgress()
{
    updateStatusMessage("");
    document.getElementById('progressBar').style.display = 'block';
    document.getElementById('progressBarText').innerHTML = 'Progreso da subida: 0%';

    // wait a little while to make sure the upload has started ..
    window.setTimeout("refreshProgress()", 1500);
    return true;
}

function hideProgressBar()
{
    document.getElementById('progressBar').style.display = 'none';
    document.getElementById('progressBarText').innerHTML = '';
}

function UploadMonitor() { }
      UploadMonitor._path = '';
      UploadMonitor.getUploadInfo = function(callback) {
      DWREngine._execute(UploadMonitor._path, 'UploadMonitor', 'getUploadInfo', callback);
}