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