$(function() {
    $('#ajax_banner').before('<div id="nav" class="nav">').cycle({
       fx:     'fade',
        speed:  '1000',
        timeout: 6000,
        pager:  '#nav',
        next:   '#next',
        prev:   '#prev', 
        before: function() { if (window.console) console.log(this.src); }
    });
});