$('#first').zenith({
            layout: 'slider', 
            width: '90%', 
            height: '600px', 
            slideSpeed: 600, 
            style: 'shadow', 
            customNavs: ['#tf_thumbs', '.tf_thumb']
        });

        $('#second').zenith({
            layout: 'slider', 
            animation: 'Bounce', 
            width: '95%', 
            height: '760px', 
            slideSpeed: 670, 
            style: 'border', 
            customNavs: ['#tf_thumbs', '.tf_thumb'],
            fixedThumbs: false
        });

        
           -