Try doing something like this to serialize the form:
$(function() {
$('input[type=button]').click( function() {
var form = $('form').serialize();
$('input[disabled]').each( function() {
form = form + '&' + $(this).attr('name') + '=' + $(this).val();
});
});
});
Test HTML
Output
ho=ho&hi=hi&hey=hey