var banners;

function showBanner(elementId,fadeTime)
{
	if (!fadeTime) fadeTime = 300;
	var element = document.getElementById(elementId);
//	if (getStyle(element,'opacity') != 1) {
		hideBanners(fadeTime);
		ntFade(elementId,fadeTime,1);
//		ntFade(elementId+'Button',fadeTime,1);
//	}
}

function hideBanners(fadeTime)
{
	if (!fadeTime) fadeTime = 300;
	var banners = getElementsByClassName('banner-picture');

	for (var i=0; i < banners.length; i++) {
		if (getStyle(banners[i],'opacity') != 0) {
			ntFade(banners[i].id,fadeTime,0);
//			ntFade(banners[i].id+'Button',fadeTime,0.7);
		}
	}
}

function initFadeLoop()
{
	banners = getElementsByClassName('banner-picture');
	fadeLoop(0);
}

function fadeLoop(currentBanner)
{
	currentBanner++;
	if (currentBanner >= banners.length)
		currentBanner = 0;
	showBanner(banners[currentBanner].id,600);
	setTimeout('fadeLoop('+currentBanner+')',5000);
}