var currentBanner, newBanner = null;
function cnangeBanner(){
	newBanner = Math.floor(Math.random() * kirdgtotal);
	while (currentBanner == newBanner) {newBanner = Math.floor(Math.random() * kirdgtotal);}
	if (typeof(currentBanner) !== "undefined" && currentBanner != null) {
		document.getElementById("kirdg" + currentBanner).style.display = "none";
	}
	$('#kirdg' + newBanner).fadeIn('slow');
	currentBanner = newBanner;
	window.setTimeout(cnangeBanner, 6000);
}