1 var EventUtil = {
2 addHandler: function(element, type, handler) {
3 if (element.addEventListener) {
4 element.addEventListener(type, handler, false);
5 } else if (element.attachEvent) {
6 element.attachEvent('on' + type, handler);
7 } else {
8 element['on' + type] = handler;
9 }
10 },
11 removeHandler: function(element, type, handler) {
12 if (element.removeEventListener) {
13 element.removeEventListener(type, handler, false);
14 } else if (element.detachEvent) {
15 element.detachEvent('on' + type, handler);
16 } else {
17 element['on' + type] = null;
18 }
19 },
20 getEvent: function(event) {
21 return event ? event : window.event;
22 },
23 getTarget: function(event) {
24 return event.target || event.srcElement;
25 },
26 preventDefault: function(event) {
27 if (event.preventDefault) {
28 event.preventDefault();
29 } else {
30 event.returnValue = false;
31 }
32 },
33 stopPropagation: function(event) {
34 if (event.stopPropagation) {
35 event.stopPropagation();
36 } else {
37 event.cancelBubble = true;
38 }
39 }
40 };
