Smooth scrolling for internal links

internal-scrolling.js

// Wicked credit to
// http://www.zachstronaut.com/posts/2009/01/18/jquery-smooth-scroll-bugs.html
var scrollElement = 'html, body';
$('html, body').each(function () {
    var initScrollTop = $(this).attr('scrollTop');
    $(this).attr('scrollTop', initScrollTop + 1);
    if ($(this).attr('scrollTop') == initScrollTop + 1) {
        scrollElement = this.nodeName.toLowerCase();
        $(this).attr('scrollTop', initScrollTop);
        return false;
    }
});

// Smooth scrolling for internal links
$("a[href^='#']").click(function(event) {
    event.preventDefault();
    var $this = $(this),
    target = this.hash,
    $target = $(target);

    $(scrollElement).stop().animate({
        'scrollTop': $target.offset().top
    }, 500, 'swing', function() {
        //window.location.hash = target;
    });

    return false;
});