Auto Refresh Linked LOV's

Hello,
I have a form with two LOV's and they
are linked to each other. One the first changes of value the page should refresh and the select of the second one is adapted (via bind variables ).
All this works fine, when I put the LOV's on items of the table. If I put the first LOV on a item, added later to the form, he tries to refresh, but doesn't fill up the second LOV.
Is this a bug ?
Thanks.

HI
<p>apologies, but now when I click on LOV Javascript errors are generated!
<p> I don't know why
<p> what could be wrong here
<p> can anybody please suggest!
<p> when I click on javascript icon, it show message
"value is null or not an object"
how do I debug this?
thanks
- Ejaz

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