www.irt.org 
has a good FAQ for javascript

On Tue, 27 Nov 2001, Lee Fuller wrote:

> Hmm.. Ok.. But when I do this, (changing the "formName" to the name of
> the form, and the "dropName" to the name of the drop-down), it does not
> seem to pass the value to the hidden field.  Should I not create the
> hidden field ahead of time?
> 
>       Lee
> 
> 
> > -----Original Message-----
> > From: Alex [mailto:[EMAIL PROTECTED]] 
> > Sent: Tuesday, November 27, 2001 11:55 AM
> > To: CF-Talk
> > Subject: Re: OT: Ok.. JS gurus...
> > 
> > 
> > onchange="addhide(document.formName.dropName.value);"
> > 
> > function addhide(VAL){
> > document.formName.hideName.value=VAL;
> > document.formName.submit();
> > }
> > 
> > On Tue, 27 Nov 2001, Lee Fuller wrote:
> > 
> > > Since we seem to be on the subject, I can't get anything to 
> > work, and 
> > > thought someone (prolly Dave <grin>) might have an answer 
> > for this...
> > > 
> > > Need to include a drop-down in a form that, when changed 
> > (onchange), 
> > > will add a hidden field to the form, and submit it immediately.
> > > 
> > > Send me somewhere to find it.. That's ok! ;)  Just need to 
> > figure it 
> > > out.
> > > 
> > > TTAIA
> > > 
> > >           Lee
> > > 
> > 
> 
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