pure javascript event utility - a mini-framework for less use of events in js.

events.js

var eventUtility = {
    addEvent : (function() {
        if (typeof addEventListener !== "undefined") {
            return function(obj, evt, fn) {
                obj.addEventListener(evt, fn, false);
            };
        } else {
            return function(obj, evt, fn) {
                obj.attachEvent("on" + evt, fn);
            };
        }
    }()),
    removeEvent : (function() {
        if (typeof removeEventListener !== "undefined") {
            return function(obj, evt, fn) {
                obj.removeEventListener(evt, fn, false);
            };
        } else {
            return function(obj, evt, fn) {
                obj.detachEvent("on" + evt, fn);
            };
        }
    }()),
    getTarget : (function() {
        return function (event) {
            return event && event.target || event.srcElement;
        };
    }()),
    getEvent : (function () {
        return function(event) {
            return event || window.event;
        };
    }()),
    preventDefault : (function() {
        if (typeof addEventListener !== "undefined") {
            return function(event) {
                event.preventDefault();
            };
        } else {
            return function(event) {
                event.returnValue = false;
            };
        }
    }())
};