pageload.js

$(window).on('load', function() {
    var fragment = window.location.hash;
    if(fragment != "") {
        $('body').animate({
            scrollTop: $(fragment).offset().top
        });
    }
});

stewart_scroller.js

$(function() {
    var selector = 'a';
    
    // cycle through all links
    $(selector).each(function(i, el) {
        var $el = $(el);
        var parts, href, $target;
        
        // we only want to deal with those elements that have a hash fragment
        href = $el.attr('href');
        if(href.indexOf('#') != -1) {
            // we also only need to deal with those links that link to the current page
            parts = href.split('#');
            if(window.location.pathname == parts[0]) {
                $target = $(parts[1]);
                
                // now we have both a common path and a hash fragment
                // attach a click handler
                $el.on('click', function(e) {
                    e.preventDefault();
                    $('body').animate({
                        scrollTop: $target.offset().top
                    });
                });
            }
        }
    });
});