Hi,

In fact we should never do an ajax submit on the 'onkeydown' event. 
'onkeydown' is a typical event that is only very usefull on the client and I
think that it's main purpose was to allow the cancellation of a key stroke. 
You can interprete it more like a 'beforekey' event.  I don't think there is
a usecase where  you really want to use the onkeydown event, except maybe in
the event that you want to hold down your key and that each character is
submitted to the server.  But then I think that this should never be allowed
because somebody might just bring your server down.

But if you really want to support the onkeydown event then it should be done
the way it is done in
wicket.extensions.ajax.markup.html.autocomplete.wicket-autocomplete.js.  

in there the value of the field is retrieved by using it's ID and not by
passing a reference.  In that case it seems that all characters are sent to
the server even when using the 'onkeydown' event.  But this behaviour could
not be the same on all browsers. (I only tested it with Firefox)  


Byeee...
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