var delay = 5000;
    var start_frame = 0;

    function init() {
        var lis = $('slide-images').getElementsByTagName('li');

        for( i=0; i < lis.length; i++){
            if(i!=0){
                lis[i].style.display = 'none';
            }
        }
        end_frame = lis.length -1;
        start_slideshow(start_frame, end_frame, delay, lis);
    }

    function start_slideshow(start_frame, end_frame, delay, lis) {
        setTimeout(fadeInOut(start_frame,start_frame,end_frame, delay, lis), delay);
    }

    function fadeInOut(frame, start_frame, end_frame, delay, lis) {
        return (function() {
            lis = $('slide-images').getElementsByTagName('li');
            Effect.Fade(lis[frame]);

            if (frame == end_frame) { 
                frame = start_frame; 
            } 
            else { frame++; }

            lisAppear = lis[frame];
            setTimeout("Effect.Appear(lisAppear);", 0);
            setTimeout(fadeInOut(frame, start_frame, end_frame, delay), delay + 1850);
        })
    }

    Event.observe(window, 'load', init, false);