[Greasemonkey] Adding a button to call Javascript

[Jeremy Dunck]

On 11/18/05, Al <greasemonkey at mobell.co.uk> wrote:
> Thanks Jeremy
>
> Unfortunately, I'm  a complete novice with Greasemonkey.
>
> I know how to install a script, so I presume I just create a .user.js script
> with this single line in it, then install it in Firefox.
>
> Thing is, I don't understand how to create a button or call the script.

I'll need an example page's URL and a better understanding of the issue.

If I understood it right, you're saying that the function does exist,
but the button just isn't there to click it.