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