$(function() {
                $('#nav ul a, #small-nav ul a, #logo a, #small-logo a').bind('click',function(event){
                    var $anchor = $(this);
                    
                    $('html, body').stop().animate({
                        scrollTop: $($anchor.attr('href')).offset().top
                    }, 500,'easeInOutExpo');
                    /*
                    if you don't want to use the easing effects:
                    $('html, body').stop().animate({
                        scrollTop: $($anchor.attr('href')).offset().top
                    }, 1000);
                    */
                    event.preventDefault();
                });
            });