$(window).load(function() {
    $('#carousel_slider').nivoSlider({
        effect:'fade',
		animSpeed:550, // Slide transition speed
		pauseTime:3500, // How long each slide will show
        directionNav:true, // Next Prev navigation
        directionNavHide:true, // Only show on hover
		controlNav:false, // 1,2,3... navigation
		pauseOnHover:true, // Stop animation while hovering
		captionOpacity:0.8, // Universal caption opacity
        prevText: 'Prev', // Prev directionNav text
        nextText: 'Next' // Next directionNav text
	});
});