$(window).load(function() {
    $('#slider').nivoSlider({
        effect:'random', 
		slices:15, 
        boxCols: 8, 
        boxRows: 4, 
        animSpeed:500, 
        pauseTime:3000,
        startSlide:0, 
        directionNav:false,
        directionNavHide:true, 
        controlNav:false, 
        controlNavThumbs:false, 
        controlNavThumbsFromRel:false,
        keyboardNav:true, 
        pauseOnHover:true,
        manualAdvance:false,
        captionOpacity:0.8
    });
});