/*! Copyright (c) 2009 Brandon Aaron (http://brandonaaron.net)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 * 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.
 *
 * Version: 3.0.2
 * 
 * Requires: 1.2.2+
 */

(function($){var types=["DOMMouseScroll","mousewheel"];$.event.special.mousewheel={setup:function(){if(this.addEventListener){for(var i=types.length;i;){this.addEventListener(types[--i],handler,false);
}}else{this.onmousewheel=handler;}},teardown:function(){if(this.removeEventListener){for(var i=types.length;i;){this.removeEventListener(types[--i],handler,false);}}else{this.onmousewheel=null;
}}};$.fn.extend({mousewheel:function(fn){return fn?this.bind("mousewheel",fn):this.trigger("mousewheel");},unmousewheel:function(fn){return this.unbind("mousewheel",fn);}});function handler(event){var args=[].slice.call(arguments,1),delta=0,returnValue=true;
event=$.event.fix(event||window.event);event.type="mousewheel";if(event.wheelDelta){delta=event.wheelDelta/120;}if(event.detail){delta=-event.detail/3;}args.unshift(event,delta);return $.event.handle.apply(this,args);
}})(jQuery);