var delay = 2000;
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);