JavaScript: Loose augmentation pattern

gistfile1.js

// Global UI object
var UI = UI || {};

UI.Generic = (function($) {
	var my = {};

	// Public
	my.foo = "Something";
	my.bar = function() {
		return "Something else";
	};
	
	my.Cat = {};
	my.Cat.init = function() {
		return;
	};
	
	// Private
	var hat = 2;
	var dingo = function() {
		return;
	};
	
	return my;

}(jQuery));