Animate scroll for anchors with href="#"

animate-scroll.js

var NavBarHeight = 70 // Change this variable to controll the top of the scroll.

$('a[href*=#]').each(function() {
    var target;
    target = $(this).attr('href');
    return $(this).on('click', function(e) {
        e.preventDefault();
        setToActive($(this));

        // Google Analitycs event tracking.
        _gaq.push(['_trackEvent', 'Links', 'Clicked', $(this).text()]);
      
        if ($(target).length > 0) {
            return $('html, body').animate({
                scrollTop: $(target).offset().top - NavBarHeight
            }, 800, 'swing');
        }
    });
});

setToActive = function(obj) {
    $('.main.nav li').not('.active').removeClass('active');
    obj.addClass('active');
    return $('[data-spy="scroll"]').each(function() {
        var $spy;
        return $spy = $(this).scrollspy('refresh');
    });
};