var delay = 5000;
var start_frame = 0;

function init() {
	var lis = $('slide-images').getElementsByTagName('li');
	
	for( i=0; i < lis.length; i++){
	   lis[i].style.visibility = 'visible';
		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');
		var lisN = $('promo_nav').getElementsByTagName('li');
		Effect.Fade(lis[frame]);
		if (frame == end_frame) { frame = start_frame; } else { frame++; }
		lisAppear = lis[frame];
		setTimeout("Effect.Appear(lisAppear);", 0);
		$$(".current").each(function(elmt) { elmt.removeClassName("current") });
		lisN[frame].addClassName('current');
		setTimeout(fadeInOut(frame, start_frame, end_frame, delay), delay + 5000);
	})	
}

function switchFrame(frame, start_frame, end_frame, delay){
	lis = $('slide-images').getElementsByTagName('li');
	fadeInOut(frame, start_frame, end_frame, delay, lis);
}

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