YAHOO.util.Event.onDOMReady(setupScroll);	

var curImage = 1;
var images;

function setupScroll()
{

if ($('pictures')!=null)
{
	images = $('pictures').getElementsByTagName('img');
		for(var i=1;i<images.length;i++)
		{
			YAHOO.util.Dom.setStyle(images[i],'opacity','0');
		}
	
	if (images.length > 0)
		window.setTimeout(function(){nextImage()},7000);
}	
}

function fadeOut()
{

	var fad = new YAHOO.util.Anim(images[curImage-1], {opacity: { to: 0}},1,YAHOO.util.Easing.easeIn);
	fad.animate();	
}
function fadeIn()
{

	var fad = new YAHOO.util.Anim(images[curImage-1], {opacity: { to: 1.0}},1,YAHOO.util.Easing.easeIn);
	fad.animate();	
}

function nextImage()
{
	fadeOut();
	curImage++;
	if (curImage > images.length)
		curImage=1;
	fadeIn();
	window.setTimeout(function(){nextImage()},7000);
}
function prevImage()
{
	fadeOut();
	curImage--;
	fadeIn();
	
}