Creating a progress bar on a HTTP Service

Hello All,
As the top title suggests, does anyone know the best way of doing this? The HTTP service is simply pulling some XML data and I want to inform the user of how long this is going to take or what % it is currently completed.
I dont have much experience with using progress bars so any help would be much appreciated.
THANKs!

I found this online but It doesnt seem to work;
If your HTTPService has id of httpService you have to first invoke an eventListener of type ProgressEvent.PROGRESS. On the stage or in your Popup you have to make a progressBar with id (for example myProgressBar)
httpService.addEventListener(ProgressEvent.PROGRES, progressFunction);
Than you have define a progressFunction that will accept broadcasted ProgressEvent like so
private function progressFunction(event:ProgressEvent):void{
myProgressBar.mode = 'manual';
myProgressBar.setProgress(event.bytesLoaded, event.bytesTotal);
//you can than do something when content is loaded
if (event.bytesLoaded == event.bytesTotal){
//code for popup removal or removal of progressBar

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> Is there any way of creating a progress bar showing the status of a
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2     Click the Rectangle tool and create a rectangle slightly larger than the maximum size of the progress bar. For a flood style bar, set the Bevel property of the rectangle to Lowered.
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3     Click the Stacked Canvas tool in the tool palette. Click on the content canvas to create and position the stacked canvas.
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if responses are helpful or correct please mark it
Baig,
http://baigsorcl.blogspot.com

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