(function($) {    var toFix = ['wheel', 'mousewheel', 'DOMMouseScroll', 'MozMousePixelScroll'];    var toBind = 'onwheel' in document || document.documentMode >= 9 ? ['wheel'] : ['mousewheel', 'DomMouseScroll', 'MozMousePixelScroll'];    var lowestDelta, lowestDeltaXY;    if ($.event.fixHooks) {        for (var i = toFix.length; i;) {            $.event.fixHooks[toFix[--i]] = $.event.mouseHooks        }    }    $.event.special.mousewheel = {        setup: function() {            if (this.addEventListener) {                for (var i = toBind.length; i;) {                    this.addEventListener(toBind[--i], handler, false)                }            } else {                this.onmousewheel = handler            }        },        teardown: function() {            if (this.removeEventListener) {                for (var i = toBind.length; i;) {                    this.removeEventListener(toBind[--i], handler, false)                }            } else {                this.onmousewheel = null            }        }    };    $.fn.extend({        mousewheel: function(fn) {            return fn ? this.bind("mousewheel", fn) : this.trigger("mousewheel")        },        unmousewheel: function(fn) {            return this.unbind("mousewheel", fn)        }    });    function handler(event) {        var orgEvent = event || window.event,        args = [].slice.call(arguments, 1),        delta = 0,        deltaX = 0,        deltaY = 0,        absDelta = 0,        absDeltaXY = 0,        fn;        event = $.event.fix(orgEvent);        event.type = "mousewheel";        if (orgEvent.wheelDelta) {            delta = orgEvent.wheelDelta        }        if (orgEvent.detail) {            delta = orgEvent.detail * -1        }        if (orgEvent.deltaY) {            deltaY = orgEvent.deltaY * -1;            delta = deltaY        }        if (orgEvent.deltaX) {            deltaX = orgEvent.deltaX;            delta = deltaX * -1        }        if (orgEvent.wheelDeltaY !== undefined) {            deltaY = orgEvent.wheelDeltaY        }        if (orgEvent.wheelDeltaX !== undefined) {            deltaX = orgEvent.wheelDeltaX * -1        }        absDelta = Math.abs(delta);        if (!lowestDelta || absDelta < lowestDelta) {            lowestDelta = absDelta        }        absDeltaXY = Math.max(Math.abs(deltaY), Math.abs(deltaX));        if (!lowestDeltaXY || absDeltaXY < lowestDeltaXY) {            lowestDeltaXY = absDeltaXY        }        fn = delta > 0 ? 'floor': 'ceil';        delta = Math[fn](delta / lowestDelta);        deltaX = Math[fn](deltaX / lowestDeltaXY);        deltaY = Math[fn](deltaY / lowestDeltaXY);        args.unshift(event, delta, deltaX, deltaY);        return ($.event.dispatch || $.event.handle).apply(this, args)    }}));