/**
     * CompleteHandler called on registration form validation
     * @param Number id of the ajax call
     * @param Object response from XMLHttpRequest
     * @param Object additional parameters
     * @return void
     */
    ajax.userCreateHandler = function (id, response, argv) {
        if (response.responseText.indexOf("ajaxNeedsRedirect://") === 0) {
            location.href = response.responseText.substring("ajaxNeedsRedirect://".length);
            return;
        }

        if (argv.node && Y.one(argv.node)) {
            dispatcher = new Y.Dispatcher({
                node: argv.node,
                content: response.responseText
            });
        }
    };