for (int i = 0; i < list.size(); i++){
            navigate(list.get(i));
        }

HtmlTextInput txtInput = page.getElementByName("input");
        txtInput.setValueAttribute("random");


        HtmlSubmitInput btnNext = page.getHtmlElementById("btn_next");
        page = btnNext .click();


        HtmlSubmitInput btnConfirm = page.getElementByName("submit");
        page = btnConfirm.click();


        System.out.println("before: " + webClient.getWebWindows().size());
        page.cleanUp();
        page.deregisterFramesIfNeeded();
        System.out.println("after: " + webClient.getWebWindows().size());

        return true;