Scroll to Section in page with easing

snippet

$(function() {
                $('ul.nav a').bind('click',function(event){
                    var $anchor = $(this);
                    
                    $('html, body').stop().animate({
                        scrollTop: $($anchor.attr('href')).offset().top
                    }, 1500,'easeInOutExpo');
                    event.preventDefault();
                });
            });
//just change the selector selected to the navigation name/class/ID and this script will
// do the rest.. no plugins or script links/calls required