function getBanners() {
	if (divMktg.tagName != 'DIV') return;
	tmp = divMktg.getElementsByTagName('DIV');
	for (i=0;i<tmp.length;i++)
		arrBanners[i] = tmp[i];
}

function showBanner() {
	if (!arrBanners.length) return;
	if (iBanner>=arrBanners.length) iBanner = 0;
	arrBanners[iBanner].style.display = "block";
	for (i=0;i<arrBanners.length;i++)
		if (i!=iBanner) arrBanners[i].style.display = "none";
	iBanner++;
}