var $container = $('.portfolio-container');
    $container.isotope({
        filter: '*',
        animationOptions: {
            duration: 750,
            easing: 'linear',
            queue: false
        },
        layoutMode: 'fitRows',
    });

    $('.portfolio-categories ul li a').click(function(){
        $('.portfolio-categories ul li .current').removeClass('current');
        $(this).addClass('current');

        var selector = $(this).attr('data-filter');
        $container.isotope({
            filter: selector,
            layoutMode: 'fitRows',
            animationOptions: {
                duration: 750,
                easing: 'linear',
                queue: false
            }
        });
        return false;
    });

    $(window).load(function() {
        $container.isotope('reLayout');
    });