When I try to install this addon, the dialog box is blank! I want to download the xml file but I can't find it anywhere on the page? Any ideas? I would like to try this. I'm using Firefox v10. When I try to open the xml file, I get this message "This XML file does not appear to have any style information associated with it" and then a document tree of the file. When I press "Download now" I still get a blank dialog box (that's in the correct format). This doesn't happen with any other add-on.