$(window).load(function() {
    $('.slider').nivoSlider({
        controlNav:true, // 1,2,3... navigation
        controlNavThumbs:true,
        controlNavThumbsFromRel:true,
        directionNav:false
    });

    $(".nivo-control").click(function() {
        $('.slider').data('nivoslider').stop(); //Stop the slider when a nav button is clicked
    });
});