https://pay.probusiness.io/js/by1/events.js?r0~r0~r0~r0

1(function(){
2	function Event(type,origin,extra) {
3		if (typeof(type)!='string') {
4			throw "Invalid event type";
5		}
6		this.type=type;
7		this.origin=origin || window;
8		this.opts=extra || {};
9		this._propagate=true;
10	}
11	Event.prototype.stopPropagation=function(){
12		this._propagate=false;
13	}
14	var events={};
15	var EventEmitter = function(){}
16	EventEmitter.prototype = (function(){ return {
17		"emit": function(type,origin,extra){
18			var handler,e,i,listeners;
19			if(!events)
20				events = {};
21			handler = events[type];
22			if(typeof(handler)=="undefined")
23				return false;
24			extra=extra || {};
25			origin=origin || window;
26			e=new Event(type,origin,extra);
27			listeners = handler.slice();
28			for(i=0;i<listeners.length; i++){
29				listeners[i].h.call(listeners[i].ctx,e,listeners[i].opts);
30				if(!e._propagate)
31					break;
32			}
33			return true;
34		},
35		"on": function(type,listener,bind_to,extra){
36			if(typeof(listener)!="function")
37				throw "Listener must be a function";
38			if(!events)
39				events = {};
40			if(!events[type])
41				events[type] = [];
42			extra=extra || {};
43			bind_to=bind_to || window;
44			events[type].push({
45				h: listener,
46				opts: extra,
47				ctx: bind_to
48			});
49			return this;
50		},
51		"once": function(type,listener,origin,extra){
52			if(typeof(listener)!="function")
53				throw "Listener must be a function";
54			extra=extra || {};
55			origin=origin || window;
56			var fired = false;
57			var self=this;
58			function g(e) {
59				self.removeListener(type, g);
60				if(!fired) {
61					fired = true;
62					listener.call(origin,e,extra);
63				}
64			}
65			g.listener = listener;
66			this.on(type,g,origin,extra);
67			return this;
68		},
69		"removeListener": function(type,listener){
70			var list, position, length, i;
71			if(typeof(listener)!="function")
72				throw "Listener must be a function";
73			if(!events || !events[type])
74				return this;
75			list = events[type];
76			length = list.length;
77			position = -1;
78			for(i = length; i-- > 0;) {
79				if(list[i].h === listener) {
80					position = i;
81					break;
82				}
83			}
84			if(position < 0)
85				return this;
86			if(list.length === 1) {
87				list.length = 0;
88				delete events[type];
89			} else
90				list.splice(position,1);
91			return this;
92		}
93	} })();
94	runCore.class_method({"events": (function(){
95		var eventMachine;
96		return function(){
97			if(typeof(eventMachine)=="undefined")
98				eventMachine=new EventEmitter();
99			return eventMachine;
100		}
101	})() });
102})();