Sidebar / Explorer Bar queries

I’m working on a project at work at the moment where I’m considering using a browser Sidebar (Firefox) / Explorer Bar (IE) in place of a JavaScript pop-up.

I can’t really say a great deal about the actual application, but I have a few queries which someone out there might be able to answer. I’ve had very little joy with google. :(

  1. Is it possible to open a Sidebar using JavaScript? Or does the action of opening a sidebar have to be initiated by the user via the ‘View > Explorer Bar’ or ‘View > Sidebar’ menu?
  2. Is it possible to use JavaScript to adjust the width of a Sidebar in IE or Firefox?

Well, if you have any answers I’d be most happy to hear them. TIA! :)