$(function () {
    $(window).load(function () {
        $('#slider').nivoSlider({
            effect: 'random',
            animSpeed: 500,
            pauseTime: 5000,
            directionNav: false, //Next and Prev
            directionNavHide: false, //Only show on hover
            controlNav: true, //1,2,3...
            pauseOnHover: true, //Stop animation while hovering
            beforeChange: function () { },
            afterChange: function () { }
        });
    });
});