Hi Karl,
Thanks for your help.
Yes I am using firebug but I'm generally new to JS and Prototype.
I've adopted the approach you suggested but I can't seem to determine
which button is being pressed.
Search form:
<form method="post" action="null" id="search_form" value="search-
submit">
..
<input id="search" type="submit" value="search" name="search" />
When the results from the DB are displayed, a new button is displayed
under the form:
<input id="search" type="submit" value="update-submit" />
And the old (search) submit button is hidden so that only the 'update'
button is now visible:
$('search-submit').style.display = 'none';
When the new 'update' button is clicked, I should be able to detect
this and process the post variables but I keep seeing the first
'search' button being pressed even when I press the 'update' button.
QUESTIONS: 1/ How do I determine which button is pressed.
2/ In the update context, when multiple post values submitted: How
do I process them without getting element is undefined problems?
Thanks Dave
-----------------------------------------------------------------------------------------------------------------------------------------------
JS code:
document.observe('dom:loaded', function() {
var form = $('search_form');
Event.observe(form, 'submit',
process.bindAsEventListener());
});
function process(e){
e.stop();
var elm = e.element();
var v = elm.readAttribute('value');
var i = elm.readAttribute('id');
var n = elm.readAttribute('name');
alert('Value='+v+'');
alert('ID='+i+'');
alert('Name='+n+'');
if(elm.readAttribute('value') == 'search-submit') { search(); }
if(elm.readAttribute('value') == 'update-submit') { update(); }
}
function search()
{
alert('Search context');
new Ajax.Updater ('results', 'http://website/search_form',
{method:'post', postBody:'search='+$F('search')});
$('search-submit').style.display = 'none';
}
function update()
{
...
}
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