[Radiant] mailer extension: how to handle empty form fields?

[Dominic]

Todd McGrath recently linked to javascript solution that may be of  
assistance:

http://lists.radiantcms.org/pipermail/radiant/2006-May/000261.html


On 14 Mar 2008, at 10:08, rainer griess wrote:

> Hi all,
>
> is there any designated way to handle empty form fields?
>
> I want to render the form page again if there is a field missing  
> (for example the "Subject" in an email form).
>
> Thank you,
> rainer
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