'<form id="user_search" action="'.$controller->url_for('admin/user/edit').'" method="post">'
->withButton(array('width' => 200))
->fireJSFunctionOnSelect("selectUser")
->render()
. '</form>'
. '<script>
var selectUser = function (user_id, name) {
document.location = "'.$controller->url_for('admin/user/edit').'/" + user_id;
};
</script>'