Efeito Scroll do Jão

$('a[href*=#]').each(function () {
        if (filterPath(location.pathname) == filterPath(this.pathname)
                && location.hostname == this.hostname
                && this.hash.replace(/#/, '')) {
            var $targetId = $(this.hash), $targetAnchor = $('[name=' + this.hash.slice(1) + ']');
            var $target = $targetId.length ? $targetId : $targetAnchor.length ? $targetAnchor : false;
            if ($target) {
                var targetOffset = $target.offset().top;
                $(this).click(function () {
                    if($(window).width() > 200){
                        $('html, body').animate({scrollTop: targetOffset}, 300);
                        return false;
                    }
                });
            }
        }
    });