(function (e) {
    function r(t) {
        var n = t || window.event,
            r = [].slice.call(arguments, 1),
            i = 0,
            s = true,
            o = 0,
            u = 0;
        t = e.event.fix(n);
        t.type = "mousewheel";
        if (n.wheelDelta) {
            i = n.wheelDelta / 120;
        }
        if (n.detail) {
            i = -n.detail / 3;
        }
        u = i;
        if (n.axis !== undefined && n.axis === n.HORIZONTAL_AXIS) {
            u = 0;
            o = -1 * i;
        }
        if (n.wheelDeltaY !== undefined) {
            u = n.wheelDeltaY / 120;
        }
        if (n.wheelDeltaX !== undefined) {
            o = (-1 * n.wheelDeltaX) / 120;
        }
        r.unshift(t, i, o, u);
        return (e.event.dispatch || e.event.handle).apply(this, r);
    }
    var t = ["DOMMouseScroll", "mousewheel"];
    if (e.event.fixHooks) {
        for (var n = t.length; n; ) {
            e.event.fixHooks[t[--n]] = e.event.mouseHooks;
        }
    }
    e.event.special.mousewheel = {
        setup: function () {
            if (this.addEventListener) {
                for (var e = t.length; e; ) {
                    this.addEventListener(t[--e], r, false);
                }
            } else {
                this.onmousewheel = r;
            }
        },
        teardown: function () {
            if (this.removeEventListener) {
                for (var e = t.length; e; ) {
                    this.removeEventListener(t[--e], r, false);
                }
            } else {
                this.onmousewheel = null;
            }
        },
    };
    e.fn.extend({
        mousewheel: function (e) {
            return e ? this.bind("mousewheel", e) : this.trigger("mousewheel");
        },
        unmousewheel: function (e) {
            return this.unbind("mousewheel", e);
        },
    });
})(jQuery);