[Wtr-general] how to set frame URL location

[Graham, Joseph x66237]

Hello,
I recently installed (2 days ago) the latest release of Watir and am running
into some issues. 
Is there an example somewhere of how to set the URL of a frame.  I tried the
following
<code_snip>
# provides a reference to a frame with name "main"
main_frame = ie.frame('main') 
main_frame.navigate_to( ...url... )  // <-- not supported
</code_snip>

I could also just invoke some javascript function because I am really trying
to manipulate a custom DHTML toolbar that has some JS hooks exposed for
navigating the frame in question.  Any examples of this would be great.

I would also appreciate any guidance as to best practices of testing
applications that take extensive advantage of AJAX and js.

BR_joe

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