script to provide smooth scrolling

smoothScroll.jquery.js

//User settings
var maxSections = 5;
var sectionNamePrefix = 'page-section';


var currSection = 1;

function scrollToHash(e,sectionNumber) {
        var hash = '#' + sectionNamePrefix + sectionNumber;
        var target = $(hash);
        target = target.length ? target : $('[name=' + hash.slice(1) +']');
        // e = event;
        if (target.length) {
                e.preventDefault();
                $('html,body').stop().animate({
                        scrollTop: target.offset().top
                }, 600, function() {
                        location.hash = hash;
                });
        }
}

$(window).on('mousewheel', function(event, delta, deltaX, deltaY) {
        if (deltaY > 0)        {
                if (currSection > 1) { currSection--; }
                scrollToHash(event,currSection);
        }
        else {
                if (currSection < maxSections) { currSection++; }
                scrollToHash(event,currSection);

        }
        
});