/** . */
private IdentityHashMap<Page, List<String>> alerts;
public UserAgent(URL homeURL) {
WebClient client = new WebClient(BrowserVersion.FIREFOX_3_6);
client.setAlertHandler(new AlertHandler() {
public void handleAlert(Page page, String message) {
List<String> l = alerts.get(page);
if (l == null) {
alerts.put(page, l = new ArrayList<String>());
}