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