function onAfter() {
    $('#description').html(this.alt);
}


$(function() {
    $('#s4').before('<div id="imageNav" class="nav">').cycle({
        fx:     'fade',
        speed:  1000,
        timeout: 3000,
        pager:  '#imageNav',
		pause:   1,
		after:   onAfter,
        before: function() { if (window.console) console.log(this.src); }
   	 
    });
});