/*! 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);