JS:EventUtil object

event_util.js

var EventUtil = {
	addHandler: function(element, type, handler){
		if (element.addEventListener){
			element.addEventListener(type, handler, false);
		} else if (element.attachEvent){
			element.attachEvent("on" + type, handler);
		} else {
			element["on" + type] = handler;
		}
	},

	removeHandler: function(element, type, handler){
		if (element.removeEventListener){
			element.removeEventListener(type, handler, false);
		} else if (element.detachEvent){
			element.detachEvent("on" + type, handler);
		} else {
			element["on" + type] = null;	
		}
	},

	getEvent: function(event){
		return event ? event : window.event;
	},

	getTarget: function(event){
		return event.target || event.srcElement;
	},

	preventDefault: function(event){
		if (event.preventDefault){
			event.preventDefault();
		} else {
			event.returnValue = false;
		}
	},

	removeHandler: function(element, type, handler) {

	},

	stopPropagation: function(event){
		if (event.stopPropagation){
			event.stopPropagation();
		} else {
			event.cancelBubble = true;
		}
	}
};