YUI.add('event-mousewheel', function (Y, NAME) {

/**

 * Adds mousewheel event support

 * @module event

 * @submodule event-mousewheel

 */

var DOM_MOUSE_SCROLL = 'DOMMouseScroll',

    fixArgs = function(args) {

        var a = Y.Array(args, 0, true), target;

        if (Y.UA.gecko) {

            a[0] = DOM_MOUSE_SCROLL;

            target = Y.config.win;

        } else {

            target = Y.config.doc;

        }

        if (a.length < 3) {

            a[2] = target;

        } else {

            a.splice(2, 0, target);

        }

        return a;

    };

/**

 * Mousewheel event.  This listener is automatically attached to the

 * correct target, so one should not be supplied.  Mouse wheel

 * direction and velocity is stored in the 'wheelDelta' field.

 * @event mousewheel

 * @param type {string} 'mousewheel'

 * @param fn {function} the callback to execute

 * @param context optional context object

 * @param args 0..n additional arguments to provide to the listener.

 * @return {EventHandle} the detach handle

 * @for YUI

 */

Y.Env.evt.plugins.mousewheel = {

    on: function() {

        return Y.Event._attach(fixArgs(arguments));

    },

    detach: function() {

        return Y.Event.detach.apply(Y.Event, fixArgs(arguments));

    }

};

}, '@VERSION@', {"requires": ["node-base"]});