/*! 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);