<!--

function setSlide(n)
{
	if (valido(n))
	{
		var arrN = visivel.id.split('rota');
		if (!valido (getE('rota'+n)))
		{
			n = 1;
		}
		
		if (valido (visivel))
		{
			if (visivel != getE('rota'+n))
			{
				css(getE('rota'+n), 'esconde', 'mostra');
				css(visivel, 'mostra', 'esconde');
				//getE('slide_'+n).firstChild.setAttribute('src', '/img/slide_'+n+'_over.gif');
				w3Opacity.set('n'+n,40);
				w3Opacity.fading('n'+n,40,100,1000);
				//getE('slide_'+arrN[1]).firstChild.setAttribute('src', '/img/slide_'+arrN[1]+'.gif');
				w3Opacity.fading('n'+arrN[1],100,40,1000);
				w3Opacity.set('img'+n,20);
				w3Opacity.fading('img'+n,20,100,1000);
				clearTimeout(intervalo);
				runSlides(n+1,8);
				return visivel = getE('rota'+n);
			}
			else
			{
				runSlides(n+1,8);
				return visivel;
			}
		}
	}
}
function runSlides(alvo, tempo)
{
	if (valido(alvo && tempo))
	{
		var i = alvo;
		
		var roda = function(){
			if (i)
			{
				if (i+1 > 5)
				{
					i = 1;
				}
				
				setSlide(i);
			}
		}
		return intervalo = setTimeout(roda, tempo*1000);
	}
}
var visivel = null;
var intervalo = null;
addEvent(window, 'load', function(){
	visivel = getE('rota1');
	runSlides(2,8);
	addEvent(getE('slide_1'), 'click', function(){ setSlide(1) });
	addEvent(getE('slide_2'), 'click', function(){ setSlide(2) });
	addEvent(getE('slide_3'), 'click', function(){ setSlide(3) });
	addEvent(getE('slide_4'), 'click', function(){ setSlide(4) });
});

//-->