$(document).ready(function() { 
    // start slideshow 
    $('#intro').cycle({ 
        fx:     'fade', 
    speed:   3000, 
    timeout: 3000, 
        before:   onBefore 
    }); 
 
    var slidesAdded = false; 
     
    function onBefore(curr, next, opts) { 
        // make sure we don't call addSlide before it is defined 
        if (!opts.addSlide || slidesAdded) 
            return; 
         
        // add slides for images 3 - 8 
        // slides can be a DOM element, a jQuery object, or a string 
        for (var i=1; i < 4; i++) 
             
        slidesAdded = true; 
    }; 
});