Haze - Nivo Slider

//nivo-slider
jQuery(window).load(function() {

if (document.documentElement.clientWidth > 768) {

    jQuery('#slider').nivoSlider({

        animSpeed: 500,
        pauseTime: 4000,

        afterLoad: function(){
        var $slider = jQuery('#slider');
        $slider.css('opacity',0);
        jQuery('#preloader').fadeOut(500, function(){
           $slider.animate({'opacity':1}, 500);
        });
    }
    });

}
});