var TimeToFade = 1000.0;

function fade(eid)
{
	var element = $(eid);
	if(element == null) return;

	if(element.FadeState == null)
	{
		if(element.style.opacity == null || element.style.opacity == '' || element.style.opacity == '1') element.FadeState = 2;
		else element.FadeState = -2;
	}

	if(element.FadeState == 1 || element.FadeState == -1)
	{
		element.FadeState = element.FadeState == 1 ? -1 : 1;
		element.FadeTimeLeft = TimeToFade - element.FadeTimeLeft;
	}
	else
	{
		element.FadeState = element.FadeState == 2 ? -1 : 1;
		element.FadeTimeLeft = TimeToFade;
		setTimeout("animateFade(" + new Date().getTime() + ",'" + eid + "')", 33);
	} 
}

function animateFade(lastTick, eid)
{ 
	var curTick = new Date().getTime();
	var elapsedTicks = curTick - lastTick;

	var element = document.getElementById(eid);

	if(element.FadeTimeLeft <= elapsedTicks)
	{
		element.style.opacity = element.FadeState == 1 ? '1' : '0';
		element.style.filter = 'alpha(opacity = ' + (element.FadeState == 1 ? '100' : '0') + ')';
		element.FadeState = element.FadeState == 1 ? 2 : -2;
		
		if( element.FadeState < 0 ) element.style.display = 'none';
		else element.style.display = 'block';
		return;
	}

	element.FadeTimeLeft -= elapsedTicks;
	var newOpVal = element.FadeTimeLeft/TimeToFade;
	if(element.FadeState == 1) newOpVal = 1 - newOpVal;

	element.style.opacity = newOpVal;
	element.style.filter = 'alpha(opacity = ' + (newOpVal*100) + ')';

	setTimeout("animateFade(" + curTick + ",'" + eid + "')", 33);
}

bodyLoad.add(
	function() {
		var code = generateSwfCode('swf/produtos_topo.swf', 260, 240);
		$('animacao').innerHTML = code;

		var element = $("destaque");
		if( !element ) return;
		element.style.opacity  = '0';
		element.style.display  = 'block';
		element.style.filter = 'alpha(opacity = 0)';
		
		var a = cE('a', element, 'fecharDestaque', {href:'javascript:fechaDestaque();'});
		a.innerHTML = 'x';

		fade('destaque');
	}
);

function fechaDestaque()
{
	fade('destaque');
}