/* 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 (c) {
    var a = ["DOMMouseScroll", "mousewheel"];
    c.event.special.mousewheel = {
        setup: function () {
            if (this.addEventListener) {
                for (var d = a.length; d;) {
                    this.addEventListener(a[--d], b, false)
                }
            } else {
                this.onmousewheel = b
            }
        },
        teardown: function () {
            if (this.removeEventListener) {
                for (var d = a.length; d;) {
                    this.removeEventListener(a[--d], b, false)
                }
            } else {
                this.onmousewheel = null
            }
        }
    };
    c.fn.extend({
        mousewheel: function (d) {
            return d ? this.bind("mousewheel", d) : this.trigger("mousewheel")
        },
        unmousewheel: function (d) {
            return this.unbind("mousewheel", d)
        }
    });

    function b(i) {
        var g = i || window.event,
            f = [].slice.call(arguments, 1),
            j = 0,
            h = true,
            e = 0,
            d = 0;
        i = c.event.fix(g);
        i.type = "mousewheel";
        if (i.wheelDelta) {
            j = i.wheelDelta / 120
        }
        if (i.detail) {
            j = -i.detail / 3
        }
        d = j;
        if (g.axis !== undefined && g.axis === g.HORIZONTAL_AXIS) {
            d = 0;
            e = -1 * j
        }
        if (g.wheelDeltaY !== undefined) {
            d = g.wheelDeltaY / 120
        }
        if (g.wheelDeltaX !== undefined) {
            e = -1 * g.wheelDeltaX / 120
        }
        f.unshift(i, j, e, d);
        return c.event.handle.apply(this, f)
    }
})(jQuery);