RootPanel.get("error").add(errorLabel);
thumbnails = RootPanel.get("thumbnails");
Dictionary params = Dictionary.getDictionary("picasaapp_params");
if (params != null) {
Set<String> keys = params.keySet();
if (keys.contains("username")) {
username = params.get("username");
}
if (keys.contains("set_window_title")) {
setWindowTitle = Boolean.parseBoolean(