Enforcing commit when switching between windows

Today our OracleForms application is built using the call_form built-in. The end user can navigate from FormA to FormB but he must close formB in order to continue work in FormA. This is the expected behavior of the call_form built in. We also ensured that all changes are committed when navigating between forms; posting is not used. This architure/technique ensures that end-users commit frequently; with 400concurrent users we must ensures locking is kept to a minimum. Consequence of this architecture is that we do not have a full MDI application.
In order to have a full MDI application I have to use the open_form built-in but if possible i want to keep 1 session for each application user, not 1 session for each form opened. This in order to prevent an explosion of database sessions. Oke lets use the no_session parameter.
Now what's my problem ? I order to keep locking to a minimum I want to enforce the end user to commit changes when switching between windows. Does somebody has an advice which trigger(s) would be the most appropriate one ?
Note : that the "raise form_trigger_failure" has no effect in the "when-window-deactivated" trigger.
Note : post-form does not fire since I'am not actually leaving the calling form
Note : if possible I would like to program the validation in the calling form instead of the called form; this in order to prevent switching between windows - can cause screen flikkering.
chris

note the when-window-deactivate does not always fire when switching between windows of different forms !!!
I simply want to keep the focus on the calling form when there are pending changes and throw a message to the enduser saying 'please commit before continuing...'
I tried to program the when-form-navigate trigger but in this trigger I'am not able to retrieve the form_status of the called form.
any other help would be appreciated.

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==================
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"earthdoctor" <[email protected]> wrote in
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news:[email protected]...
> When switching between open tabs a sequence of
javascript errors occurs. I
> had
> not used Dreamweaver for about 2 weeks, and last time I
used it with no
> problems.
>
> I have tried uninstalling it, OKing removal of all files
when asked,
> re-installing it and updating with dwmx61_updater.exe,
but I still get the
> same
> errors.
>
> This has rendered the software virtually unuseable, so
any help would be
> greatly appreciated, as I'm working to a
rapidly-approaching deadline.
>
>
> "While executing Browse_Back enabled in toolbars.xml, a
JavaScript error
> occurred"
> followed by
> "While executing Browse_Forward enabled in toolbars.xml,
a JavaScript
> error
> occurred"
> followed by
> "While executing Browse_Stop enabled in toolbars.xml, a
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>
> The relevant code seems to be :
>
> 
>
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