(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);