final FeedbackPanel feedback = new FeedbackPanel("feedback");
add(feedback);
feedback.setOutputMarkupId(true);
GMap map = new GMap("topPanel");
GRectangle rectangle = new GRectangle(new GLatLngBounds(new GLatLng(37.35, -121.9), new GLatLng(37.45, -121.8)), "#000000", 4, 0.7f, "#E9601A", 0.7f);
rectangle.setEditable(true);
rectangle.setDraggable(true);
GEventHandler eventHandler = new GEventHandler()
{
@Override