$(document).ready(function() {

    if ($("#bannerSlider").length > 0) {
        $('#bannerSlider').nivoSlider({
            effect:'random', //Specify sets like: 'fold,fade,sliceDown'
            animSpeed:400, //Slide transition speed
            pauseTime:4000,
            directionNav:true, //Next & Prev
            directionNavHide:true,
            controlNav:false, //1,2,3...
            keyboardNav:true, //Use left & right arrows
            pauseOnHover:true, //Stop animation while hovering
            captionOpacity:0 //Universal caption opacity
        });
    }

});