function init() {
	if (!$('promo')) {
		return;
	}
	currentIndex = 0;
	nextIndex = 1;
	activePromo = false;
	$('promo').observe('mouseover', function() {
		activePromo = true;
	});
	$('promo').observe('mouseout', function() {
	    activePromo = false;
	});
	setTimeout(showPromo, promoTime * 1000);
}
function showPromo()
{
	if (!activePromo) {
		if (!$('promo' + nextIndex)) {
			nextIndex = 0;
		}
		$('promo' + currentIndex).hide();
		$('promo' + nextIndex).show();
		currentIndex = nextIndex;
		nextIndex++;
	}
	setTimeout(showPromo, promoTime * 1000);
}
var promoTime = 5;
Event.onDOMReady(init);