lib/web/htdocs/modules/datamgmt/restore_backup.js

$(document).ready(function(){
    $('form').submit(function() { // catch the form's submit
        $(this).find('input[type="checkbox"]').each(function() {
            if ($(this).is(":checked") == true) {
                var n = '#'+$(this).attr("id")+'hidden';
                $(n).prop("disabled", true);
            } else {
                var n = '#'+$(this).attr("id")+'hidden';
                $(n).prop("disabled", false);
            }
        });
        $.ajax({
            data: $(this).serialize(),
            type: $(this).attr('method'), // GET or POST
            url: $(this).attr('action'),
            success: function(response) { // on success
                $('#status').html(response);
            }
        });
        return false; // cancel original submit event
    });
});