Ext.onReady(function() {
    new Ext.ux.Carousel('changingPhoto',{
    	itemSelector: 'img',
        interval: 5,
	    transitionDuration: 3,
        autoPlay: true,
        showPlayButton: true,
        pauseOnNavigate: true,
        freezeOnHover: false,
        transitionType: 'fade',
        navigationOnHover: true
    });
})