http://www.abigailvigoa.com/wp-content/plugins/cherry-media-parallax/js/smoothing-scroll.js?ver=1.0

1jQuery(window).load(function(){  
2
3    if(checkBrowser() == 'Google Chrome' && device.windows()){
4        if (window.addEventListener) window.addEventListener('DOMMouseScroll', wheel, false);
5            window.onmousewheel = document.onmousewheel = wheel;
6
7            var time = 330;
8            var distance = 100;
9
10            function wheel(event) {
11                if (event.wheelDelta) delta = event.wheelDelta / 90;
12                else if (event.detail) delta = -event.detail / 3;
13                handle();
14                if (event.preventDefault) event.preventDefault();
15                event.returnValue = false;
16            }
17
18            function handle() {
19                jQuery('html, body').stop().animate({
20                    scrollTop: jQuery(window).scrollTop() - (distance * delta)
21                }, time);
22            }
23    }
24});
25function checkBrowser(){
26    var ua = navigator.userAgent;
27    
28    if (ua.search(/MSIE/) > 0) return 'Internet Explorer';
29    if (ua.search(/Firefox/) > 0) return 'Firefox';
30    if (ua.search(/Opera/) > 0) return 'Opera';
31    if (ua.search(/Chrome/) > 0) return 'Google Chrome';
32    if (ua.search(/Safari/) > 0) return 'Safari';
33    if (ua.search(/Konqueror/) > 0) return 'Konqueror';
34    if (ua.search(/Iceweasel/) > 0) return 'Debian Iceweasel';
35    if (ua.search(/SeaMonkey/) > 0) return 'SeaMonkey';
36    if (ua.search(/Gecko/) > 0) return 'Gecko';
37
38    return 'Search Bot';
39}