(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;}}};$.fn.extend({mousewheel:function(fn){return fn?this.bind("mousewheel",fn):this.trigger("mousewheel");},unmousewheel:function(fn){return this.unbind("mousewheel",fn);}});function handler(event){var orgEvent=event||window.event,args=[].slice.call(arguments,1),delta=0,returnValue=true,deltaX=0,deltaY=0;event=$.event.fix(orgEvent);event.type="mousewheel";if(event.wheelDelta){delta=event.wheelDelta/120;}if(event.detail){delta=-event.detail/3;}deltaY=delta;if(orgEvent.axis!==undefined&&orgEvent.axis===orgEvent.HORIZONTAL_AXIS){deltaY=0;deltaX=-1*delta;}if(orgEvent.wheelDeltaY!==undefined){deltaY=orgEvent.wheelDeltaY/120;}if(orgEvent.wheelDeltaX!==undefined){deltaX=-1*orgEvent.wheelDeltaX/120;}args.unshift(event,delta,deltaX,deltaY);return $.event.handle.apply(this,args);}})(jQuery);