/*! Copyright (c) 2010 Brandon Aaron (http://brandonaaron.net)
 * Licensed under the MIT License (LICENSE.txt).
 *
 * Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
 * Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
 * Thanks to: Seamus Leahy for adding deltaX and deltaY
 *
 * Version: 3.0.4
 *
 * Requires: 1.2.2+
 */

(function (d) {
    function g(a) {
        var b = a || window.event,
            i = [].slice.call(arguments, 1),
            c = 0,
            h = 0,
            e = 0;
        a = d.event.fix(b);
        a.type = "mousewheel";
        if (a.wheelDelta) c = a.wheelDelta / 120;
        if (a.detail) c = -a.detail / 3;
        e = c;
        if (b.axis !== undefined && b.axis === b.HORIZONTAL_AXIS) {
            e = 0;
            h = -1 * c
        }
        if (b.wheelDeltaY !== undefined) e = b.wheelDeltaY / 120;
        if (b.wheelDeltaX !== undefined) h = -1 * b.wheelDeltaX / 120;
        i.unshift(a, c, h, e);
        return d.event.handle.apply(this, i)
    }
    var f = ["DOMMouseScroll", "mousewheel"];
    d.event.special.mousewheel = {
        setup: function () {
            if (this.addEventListener) for (var a =
            f.length; a;) this.addEventListener(f[--a], g, false);
            else this.onmousewheel = g
        },
        teardown: function () {
            if (this.removeEventListener) for (var a = f.length; a;) this.removeEventListener(f[--a], g, false);
            else this.onmousewheel = null
        }
    };
    d.fn.extend({
        mousewheel: function (a) {
            return a ? this.bind("mousewheel", a) : this.trigger("mousewheel")
        },
        unmousewheel: function (a) {
            return this.unbind("mousewheel", a)
        }
    })
})(jQuery);