Re: [cgiapp] Test 2 - is this thing on?

[RA Jones <suppressed>]

Ron Savage wrote:
> On Wed, 08 Nov 2006 20:43:36 +0000, RA Jones wrote:
>
> Hi
>
> > Well, I could throw in a couple of (slightly off-topic) AJAX
> > questions if anyone cares to field them, or have we had enough of
> > that topic recently?
>
> Throw them in (aka I'm bored...)!

That's what I wanted to hear! In one of the previous discussions about 
getting AJAX working it was suggested that a major advantage of using 
the js libraries such as JQuery and prototype over CGI::AJAX was so the 
browser could cache the code blocks and not have to re-load on each page 
refresh. However, I found a limitation here in that I have to hard-code 
the url containing the AJAX function, whereas with CGI::AJAX I can pass 
it as a parameter from the script using the CGI.pm url() function, 
meaning I can run my apps as cgi or mod_perl without needing to change 
anything. This is actually quite a long-winded way of asking if there is 
a javascript equivalent to the CGI.pm url() I could put in the js block?

Secondly, having managed to make the basic div replace functions work 
nicely with AJAX, I'm trying something a little more adventurous - how 
to populate a drop-down menu depending on the selection of another 
drop-down menu. I can make it work with the following, but it feels wrong:

First drop-down:
<select onBlur="populate_clinicians(['src_id'], ['clin_list']); return 
true;" name="src_id" id="src_id">
  <option value="">&nbsp;</option>
  ..
</select>

Dependant drop-down generated by:
<div id="clin_list"></div>

And all the code for generating the select block (ie popup_menu()) is 
done in the populate_clinicians() sub in the main application, instead 
of in the template. Yak! But it works. Please tell me there's a better way.
--
Richard Jones
Leeds, UK
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