FileReference.save() - File Extensions?

Hi!

I’m using FileReference.save() method for Flash10 to save a file. It looks like this:


fr.save(BytesArray, "default.xml");        

When I use default name - everything is ok. But when I change file’s name in “Save Dialog Box” *.xml extension disappears!

Is there any way to fix that? I mean, I want user to input only filename without extensions.