gistfile1.txt

        addDelegatedEvent: function (selectorOrElement, event, functionName) {
            var __obj = this;
            $(this.element).bind(event, function (ev) {
                for(var el = ev.target; el !== __obj.element.parentNode; el = el.parentNode) {
                    if (el === selectorOrElement || $(el).is(selectorOrElement)) {
                        return __obj[functionName].apply(__obj, arguments);
                    }
                }
            });
        }