Re: Using JavaScript.

[Frank Miedreich <miedreich@acm.org>]

******    message to minivend-users from Frank Miedreich <miedreich@acm.org>     ******

>******    message to minivend-users from Jason Korkin
><jkorkin@korksoft.com>     ******
>
>List:
>    I was wondering if anyone knew how to do the following with
>JavaScript.  We have a client that
>wants to sell video tapes, which come in PAL, NTSC and SECAM (different
>formats).  What I'd like
>to do is at the basket page, allow the use to have a form input box for
>each item, so that they
>can type in for instance 3 PAL, 2 NTSC, and 0 SECAM, and the total qty.
>input box would show: 5.
>How would I go about doing this with JavaScript so that everything would
>be completely automatic?
>
>    Thanks,
>
>    Jason Korkin.
>

Personally I think the minivend way would be to use a modifier, that makes
the option available to everybody regardless of javascript
incompatibilities.

Otherwise you may get the number of tapes correctly, but would still need a
recalc for the prices to display correctly, in addition you would have to
make sure the basket content is updated, regardless how a user leaves it.
(otherwise minivend would never find out about the changes in quantity)

If you insist on doing this with javascript, there are a few javascript
based shopping carts out there, from which you could borrow. A good
starting point might be http://www.serve.com/hotsyte/

Frank

--
Frank Miedreich
Max-Planck-Institut fuer psychologische Forschung


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