I guess you have to escape that ID: jQuery interprets that as "element
with id product_interest and an attribute named '0'".

Jörn

On Wed, Dec 3, 2008 at 5:24 PM, luke adamis <[EMAIL PROTECTED]> wrote:
>
> Is there a reason for this to not work?
>
>                        other_product_interest: {
>                                        required:
> "#product_interest[0]:checked"
>                                        },
>
> product_interest[] is a list of checkboxes, if user picks 'other' ,
> #product_interest[0] then user must fill the text filed:
> other_product_interest.
>
> Thanks,
> Luke
>
>

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