Since you're using Ajax.updater and not Ajax.Request, you need to
supply the ID of the element you wish to update.
Typically the syntax is as follows:
new Ajax.Updater(el, url, { method: 'get' });
el = ID of the element you're updating. In your case, use something
like <input id='city'>, so use 'city' as your ID in your call
url = if you're using GET you can pass the parameter in the URL, so in
your case the URL is:
'ajax.zip_code.php?zip=' + $F('cust_zipcode');
You can add the error handing if you want to.
Giv it a try.
On Mar 24, 2:32 pm, Joey H <[EMAIL PROTECTED]> wrote:
> Hello... New to prototype... I know this is probably just really
> really simple but i have not been able to find a good tutorial
> explination or documetation explination for how to do this... I Would
> like this code to update the value of the cust_city form field...
>
> thanks in advance for the help :o)
>
> <CODE>
>
> <script type="text/javascript" src="../prototype.js"></script>
> <script>
> function checkZip() {
> if($F('cust_zipcode').length == 5) {
>
> var url = 'ajax.zip_code.php';
> var params = 'zip=' + $F('cust_zipcode');
>
> var ajax = new Ajax.Updater(
> {success: 'zipResult'},
> url,
> {method: 'post', parameters: params,
> onFailure: reportError}
> );
>
> }
> }
>
> function reportError(request) {
> $F('zipResult') = "Error";
> }
> </script>
>
> ..
> ...
>
> <input name="cust_zipcode" type="text" id="cust_zipcode" tabindex="6"
> size="13" onkeyup="checkZip();" />
>
> <input name="cust_city" type="text" id="cust_city" size="35" />
>
> </
CODE>
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