$(window).load(function() {
    $('#slider').nivoSlider({
    effect: 'random', // Specify sets like: 'fold,fade,sliceDown'
    slices: 15, // For slice animations
    boxCols: 8, // For box animations
    boxRows: 4, // For box animations
    animSpeed: 500, // Slide transition speed
    pauseTime: 6000, // How long each slide will show
    startSlide: 0, // Set starting Slide (0 index)
    directionNav: true, // Next & Prev navigation
    directionNavHide: true  , // Only show on hover
    controlNav: true // 1,2,3... navigation
    });
});