--- aud_galaxy <[EMAIL PROTECTED]> wrote:
> Hello,
>
> Can somebody tell me how IE handles the Back button differently from
> Firefox? I have an online questionnaire and would like to have the
> respondent be able to hit the Back button to change their answers.
> Firefox allows them to change their answers but with IE I keep getting
> a "Can't display Page Error" everytime I hit the Back button. Also my
> $_SESSION variables don't seem to work as well in IE than in Firefox.
>
> Has anybody encountered these problems before?
Relying on a back button to allow someone to change their responses on a
form is going to present problems for some situations. The 'back' button
is for going back one page in the browser cache, the page is not re-served
to the user agent. That is, unless there is a 'no-cache' option set on
the form page or something.
The back button functions in different ways depending on whether the form
is set to 'get' or 'post' as well.
If you eliminate any 'no-cache' or 'expires' meta tags and use a 'post'
method on the form, that should stabilize how the 'back' button works in
the form, but using php to handle all of the user changes will work much
more consistently for various user agents.
Michael Roush
[EMAIL PROTECTED]
"The power of the Web is in its universality. Access by everyone regardless of
disability is an essential aspect."
-- Tim Berners-Lee, W3C Director and inventor of the World Wide Web
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