al.setStyleName("borders");
al.setWidth("300px");
al.setHeight("500px");
al.addComponent(new TextField("This is its caption",
"This is a textfield"), "top: 60px; left: 0px; width: 100px;");
al.addComponent(new TextField("Another textfield caption",
"This is another textfield"),
"top: 120px; left: 20px; width: 100px;");
al.addComponent(new Button("A button with its own click listener",
new Button.ClickListener() {