Call a Javascritp function after a validation failure

Hi all,
I have a javascript function that is executed on page load. (it works fine)
Now I need to call it after a validation failure
How I can implement this call ?
I am using Apex 4.0.2 and the inline notification, so the page load event is not fired
which "activation" event can i use ?
regards
saverio
Edited by: tirone on 17-giu-2011 9.00
Edited by: tirone on 17-giu-2011 9.04

Thank You Tyson for your quick replay,
and .. I apologize me for mine bad English.
My problem is that after a validation failure (with in line notification) the page load event IS NOT fired (in some case): so my script is not executed.
I would like to execute this script however and I don't know where and how to call it.
I give You more detail ......
I'm working on a page that contain a tabular form; in this form, using my script (called "disable_field"), Ii set to read-only some fields.
I call my script in "Execute when page load" section of page definition.
If the validation failure is produced by an update of some records in my tabular form all is OK : the inline notification is shown, the page is re-loaded and my script is executed.
If I add a new record and, after the submit, a validation fail, the page IS NOT reloaded (I don't know the why) and my script is not executed (so all fields are modifiable and this is not how much I want)
I will appreciate very any help
regards
saverio

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