I would venture to say that in most situations, the
JavaScript/Perl route is the best/easiest way to go.
However, you shouldn't rely entirely on JavaScript to do
your validation. Client-side validation can be useful in
the sense that it is
user friendly, but you must
protect yourself on the server-side since it is possible
to bypass your JavaScript checks and invoke your CGI
using bogus (potentially harmful) data.
There are all sorts of active scripting languages that
could be used provided you meet all the necessary
requirements (right platform, right web server software
installed, etc.). E.G.,
PerlScript,
VBScript
and even CobolScript (as jcwren laments
here).
This node, CGI and JavaScript, should also prove
interesting reading.
HTH,
--Jim
Update: I see after I posted that you were
planning to validate via Perl in any case. So pardon the
rant on that count. :)
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