jquery.pubsub

gistfile1

(function ($) {
	var o = $( {} );

	$.each({
		trigger: 'publish',
		on: 'subscribe',
		off: 'unsubscribe'
	}, function (key, val) {
		$[val] = function () {
			o[key].apply(o, arguments);
		};
	});
})(jQuery);