var bannerCounter = new Number(0)

function changeMainBanner()
{
	if (parent.document.getElementById) 
		parent.document.getElementById('bif').src = '?page=banner&name='+bannerCounter
	else if (parent.document.all) 
		parent.document.all['bif'].src = '?page=banner&name='+bannerCounter


	setTimeout("changeMainBanner()", 30000)
	bannerCounter++
	if (bannerCounter > banners.length-1) bannerCounter = 0;
}