}
*/
private void init(URL url, ViewerFactory factory) {
history = new SortedVector();
control = new StructModel("Controls");
control.append(urlString = new StringModel(url.toString(), "URL"));
control.appendMethod(new LoadCommand());
control.appendMethod(prev = new PrevURLCommand());
control.appendMethod(next = new NextURLCommand());
control.appendMethod(new CloseCommand());