var upload_in_progress;

function beginUpload() {
    upload_in_progress = 1;
    $("#uploadprogressbar").progressBar();
    $("#uploadprogressbar").fadeIn();
    setTimeout("showUpload()", 1500);
}

function showUpload() {
    $.get("templates/upload_progress.php?id=1", function(data) {
	if(!data) 
	    return;
	var response;
	eval ("response = " + data);

	if(!response)
	    return;

	var percentage = Math.floor(100 * parseInt(response['bytes_uploaded']) / parseInt(response['bytes_total']));
	$("#uploadprogressbar").progressBar(percentage);
    });
    if(!upload_in_progress) {
	$("#uploadprogressbar").progressBar(100);
	return;
    }
    setTimeout("showUpload()", 750);
}

function stopUpload(id) {
    upload_in_progress = 0;
}