// Upload progress bar
function UploadProgressMeter_EnableProgress(progress_id) {
        var progress = document.getElementById(progress_id);
        progress.style.display = 'block';
        progress.percent = 0;
        progress.message = "Connecting";

        progress.update = function() { this.getFirstDivByClass('bar').style.width = this.percent+'%'; this.getFirstDivByClass('message').innerHTML = this. message; }

        progress.getFirstDivByClass = function(className) {
                var nodes = this.getElementsByTagName('div');
                for(var i = 0; i < nodes.length; i++) {
                        if (nodes[i].className == className) {
                                return nodes[i];
                        }
                }

        }

        progress.update();
}

function UploadProgressMeter_Update() {
        if (UploadProgressMeter_count == 0) {
                clearInterval(UploadProgressMeter_intervalId);
                UploadProgressMeter_intervalId = false;
                return;
        }

        if (UploadProgressMeter_remote == false) {
                var callback = {
                        get_status: function(result) {
                                for(var prop in result) {
                                        if (prop != "toString") {
                                                document.getElementById(prop).percent = result[prop].percent;
                                                document.getElementById(prop).message = result[prop].message;
                                                document.getElementById(prop).update();

                                                if (document.getElementById(prop).percent == 100) {
                                                        UploadProgressMeter_count--;
                                                        delete UploadProgressMeter_active[prop];
                                                }
                                        }
                                }
                        }
                }
                UploadProgressMeter_remote = new uploadprogressmeterstatus(callback);
        }

        UploadProgressMeter_remote.get_status(UploadProgressMeter_active);
}