diff -r f61a263564b2 -r 3c9c1b18567b includes/clientside/static/upload.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/includes/clientside/static/upload.js	Sat Aug 21 23:31:36 2010 -0400
@@ -0,0 +1,202 @@
+window.AjaxUpload = function(formid)
+{
+	load_component(['jquery', 'jquery-ui', 'l10n']);
+	
+	var theform = document.getElementById(formid);
+	theform.AjaxUpload = this;
+	this.form = theform;
+	
+	$(this.form).submit(function()
+		{
+			return this.AjaxUpload.presubmit();
+		});
+};
+
+window.zeropad = function(i, ndig)
+{
+	var s = String(i);
+	while ( s.length < ndig )
+		s = '0' + s;
+	return s;
+}
+
+window.humanize_time = function(secs)
+{
+	var seconds = secs % 60;
+	var minutes = (secs - seconds) / 60;
+	if ( minutes >= 60 )
+	{
+		var hours = (minutes - (minutes % 60)) / 60;
+		minutes = minutes % 60;
+		return zeropad(hours, 2) + ':' + zeropad(minutes, 2) + ':' + zeropad(seconds, 2);
+	}
+	return zeropad(minutes, 2) + ':' + zeropad(seconds, 2);
+}
+
+AjaxUpload.prototype.cancelbit = false;
+	
+AjaxUpload.prototype.status = function(state)
+	{
+		if ( state.done )
+		{
+			$('div.wait-box', this.statusbox).text($lang.get('upload_msg_processing'));
+			$('div.progress', this.statusbox).progressbar('value', 100);
+		}
+		else if ( state.cancel_upload )
+		{
+			if ( window.stop )
+				window.stop();
+			else if ( document.execCommand )
+				document.execCommand('Stop');
+			$('div.wait-box', this.statusbox).addClass('error-box').removeClass('wait-box').text($lang.get('upload_msg_cancelled'));
+			
+			$('div.progress', this.statusbox).progressbar('value', 100).addClass('ui-progressbar-failure');
+		}
+		else
+		{
+			var rawpct = state.bytes_processed / state.content_length;
+			var pct = (Math.round((rawpct) * 1000)) / 10;
+			var elapsed = state.current_time - state.start_time;
+			var rawbps = state.bytes_processed / elapsed;
+			var kbps = Math.round((rawbps) / 1024);
+			var remain_bytes = state.content_length - state.bytes_processed;
+			var remain_time = Math.round(remain_bytes / rawbps);
+			if ( pct > 0 )
+			$('div.wait-box', this.statusbox).text($lang.get('upload_msg_uploading', {
+								percent: pct,
+								elapsed: humanize_time(elapsed),
+								speed: kbps,
+								remain: humanize_time(remain_time)
+							}))
+					.append('<br /><a href="#" class="cancel"></a>');
+			else
+				$('div.wait-box', this.statusbox).text($lang.get('upload_msg_starting'))
+					.append('<br /><a href="#" class="cancel"></a>');
+			
+			var au = this;
+			$('a.cancel', this.statusbox).text($lang.get('upload_btn_cancel')).click(function()
+				{
+					au.cancel();
+					return false;
+				});
+				
+			$('div.progress', this.statusbox).progressbar('value', pct);
+		}
+	};
+	
+AjaxUpload.prototype.cancel = function()
+	{
+		this.cancelbit = true;
+	};
+
+AjaxUpload.prototype.refresh_status = function(au)
+	{
+		try
+		{
+			var cancelbit = au.cancelbit ? '&cancel=true' : '';
+			au.cancelbit = false;
+			ajaxGet(makeUrlNS('Special', 'AjaxUpload', 'form=' + au.form.id + '&uploadstatus=' + au.key + cancelbit), au._incoming_status);
+		}
+		catch (e)
+		{
+			alert(e);
+		}
+	};
+	
+AjaxUpload.prototype._incoming_status = function(ajax)
+	{
+		if ( ajax.readyState == 4 )
+		{
+			var state = parseJSON(ajax.responseText);
+			if ( state )
+			{
+				var au = document.getElementById(state.form).AjaxUpload;
+				au.status(state);
+				
+				if ( !state.done && !state.cancel_upload )
+					setTimeout(function()
+						{
+							au.refresh_status(au)
+						}, 250);
+			}
+		}
+	};
+	
+AjaxUpload.prototype.presubmit = function()
+	{
+		try
+		{
+			// create status container and target iframe
+			this.statusbox = document.createElement('div');
+			this.iframe = document.createElement('iframe');
+			this.iframe.AjaxUpload = this;
+			$(this.iframe)
+				.attr('src', 'about:blank')
+				.attr('width', '1')
+				.attr('height', '1')
+				.attr('frameborder', '0')
+				.css('visibility', 'hidden')
+				.attr('name', this.form.id + '_frame')
+				.load(this._frame_onload);
+				
+			this.form.parentNode.insertBefore(this.statusbox, this.form);
+			this.form.parentNode.insertBefore(this.iframe, this.form);
+			this.form.target = this.form.id + '_frame';
+			
+			this.upload_start();
+			
+			var have_progress_support = this.form.progress_support.value == 'true';
+			if ( have_progress_support )
+			{
+				this.key = this.form[this.form.upload_progress_name.value].value;
+				this.refresh_status(this);
+			}
+		}
+		catch ( e )
+		{
+			console.debug(e);
+			return false;
+		}
+		
+		return true;
+	};
+	
+AjaxUpload.prototype._frame_onload = function()
+	{
+		var childbody = window[this.AjaxUpload.form.id + '_frame'].document.getElementsByTagName('body')[0];
+		window[this.AjaxUpload.form.id + '_frame'].document.close();
+		this.AjaxUpload.upload_success(childbody);
+	};
+	
+AjaxUpload.prototype.upload_start = function()
+	{
+		$(this.statusbox).html('<div class="wait-box">' + $lang.get('upload_msg_starting') + '</div><div class="progress" style="margin-top: 10px;"></div>');
+		$('div.progress', this.statusbox).progressbar({ value: 0 });
+		$(this.form).hide();
+	};
+	
+AjaxUpload.prototype.upload_success = function(childbody)
+	{
+		$(this.statusbox).html('<div class="info-box">Upload complete! Result from server:' + childbody.innerHTML + '</div>');
+		$('div.info-box', this.statusbox).append('<a href="#">Reset!</a>');
+		var form_id = this.form.id;
+		$('div.info-box a', this.statusbox).click(function()
+			{
+				try
+				{
+					var au = document.getElementById(form_id).AjaxUpload;
+					au.reset();
+				}
+				catch(e) {};
+				return false;
+			});
+	};
+	
+AjaxUpload.prototype.reset = function()
+	{
+		this.iframe.parentNode.removeChild(this.iframe);
+		this.statusbox.parentNode.removeChild(this.statusbox);
+		delete(window[this.form.id + '_frame']);
+		$('form#' + this.form.id).show();
+		return false;
+	};