public Widget onInitialize() {
// Create a new frame
String url = GWT.getModuleBaseURL();
final Frame frame = new Frame(url);
frame.setSize("700px", "300px");
frame.ensureDebugId("cwFrame");
// Create a form to set the location of the frame
final TextBox locationBox = new TextBox();
locationBox.setText(url);
Button setLocationButton = new Button(constants.cwFrameSetLocation());