[Seaside] form submit button and both onClick + callback

[Petr Fischer]

Hello, 

I have simple submit button in my form, but I want both onClick (browser side javascript) and callback (server side smalltalk form submit code) to be called.

In the onClick, I want to just simply disable submit button (user can't click twice), like:

onClick: (JSStream on: '$("#submitButton").prop("disabled", "true");

But then (when onClick is defined), callback: is not executed.

Is it a bug? Any trick? Thanks! pf