1/**
2 * Subscriber
3 */
4function Subscriber() {
5}
6
7Subscriber.prototype = {
8	receive: function(message) {
9	}
10}
11
12/**
13 * Publisher
14 */
15function Publisher() {
16	this._subscribers = [];
17}
18
19Publisher.prototype = {
20	publish: function(message) {
21		for(var i=0; i<this._subscribers.length; i++) {
22			var subscriber = this._subscribers[i];
23			subscriber.receive(message);
24		}
25	},
26	add: function(subscriber) {
27		this._subscribers.push(subscriber);
28	}
29}