Really, the context menu for a form submission button should be exactly the same
as that used for a normal hypertext link. That is, not only should you be able
to open the form submission in a new window, but you should also be able to copy
the location to the clipboard, bookmark it, save it to disk, etc.
So apart from associating form submission buttons with the same context menus as
links, the only extra bit of glue required is to construct the relevant URL for
whatever operations the user chooses to carry out on the submission location..........