$(window).load(function () {
    $('#slider1').nivoSlider({
        effect: 'fade',
        slices: 4,
        animSpeed: 3000,
        pauseTime: 18000,
        startSlide: 1, //rand1,
        directionNav: false,
        directionNavHide: false,
        controlNav: false,
        controlNavThumbs: false,
        controlNavThumbsFromRel: false,
        keyboardNav: false,
        pauseOnHover: false,
        manualAdvance: false,
        beforeChange: function () {},
        afterChange: function () {},
        slideshowEnd: function () {}
    });
});