RotateInterval = 10; // refresh period in seconds

ArrImages = new Array(9);
ArrImages[0] = "images/r1.gif";
ArrImages[1] = "images/r2.gif";
ArrImages[2] = "images/r3.gif";
ArrImages[3] = "images/r4.gif";
ArrImages[4] = "images/r5.gif";
ArrImages[5] = "images/r6.gif";
ArrImages[6] = "images/r7.gif";
ArrImages[7] = "images/r8.gif";
ArrImages[8] = "images/r9.gif";

function canManipulateImages() {
	if (document.images)
		return true;
	else
		return false;
}
function loadSlide(imageURL) {
	if (CompatibleBrowser) {
		document.slide.src = imageURL;
		return false;
	}
	else {
		return true;
	}
}
function nextSlide() {
	CurrentImage = (CurrentImage + 1) % 9;
	loadSlide(ArrImages[CurrentImage]);
}
CompatibleBrowser = canManipulateImages();
CurrentImage = 0;
setInterval("nextSlide()",RotateInterval * 1000);