var i = 1;
var n_images = top_immagini.length;

Event.observe(window, 'load', function() { startSlideShow() });

function startSlideShow()
{
	top_immagini.sort( randOrd );

	if(n_images > 0){
		$('flash_foto_top2').style.backgroundImage = "url('"+top_immagini[0]+"')";}
	if(n_images > 1)
		$('flash_foto_top').style.backgroundImage = "url('"+top_immagini[1]+"')";
	
	if(n_images > 1)
		setTimeout("changeImageFade()",0);
}

function changeImageFade()
{
	$('flash_foto_top2').fade({ duration: 3.0, from: 1, to: 0, delay: 5, afterFinish: changeImageAppear });
}

function changeImageAppear()
{
	i++;
	i = i % n_images;
	$('flash_foto_top2').style.backgroundImage = "url('"+top_immagini[i]+"')";
	$('flash_foto_top2').appear({ duration: 3.0, from: 0, to: 1, delay: 5, afterFinish: changeImage1 });
	setTimeout("changeImageFade()",9*1000);
}

function changeImage1()
{
	i++;
	i = i % n_images;
	$('flash_foto_top').style.backgroundImage = "url('"+top_immagini[i]+"')";
}

function randOrd()
{
	return (Math.round(Math.random())-0.5);
}