gSlideshowInterval = 5;
gNumberOfImages = 13;

gSliderImages = new Array(gNumberOfImages);
gSliderImages[0] = "images/facts/1.gif";
gSliderImages[1] = "images/facts/2.gif";
gSliderImages[2] = "images/facts/3.gif";
gSliderImages[3] = "images/facts/4.gif";
gSliderImages[4] = "images/facts/5.gif";
gSliderImages[5] = "images/facts/6.gif";
gSliderImages[6] = "images/facts/7.gif";
gSliderImages[7] = "images/facts/8.gif";
gSliderImages[8] = "images/facts/9.gif";
gSliderImages[9] = "images/facts/10.gif";
gSliderImages[10] = "images/facts/11.gif";
gSliderImages[11] = "images/facts/12.gif";
gSliderImages[12] = "images/facts/13.gif";

function canManipulateImages() {
	if (document.images)
		return true;
	else
		return false;
}
function loadSlide(imageURL) {
	if (gImageCapableBrowser) {
		document.slide.src = imageURL;
		return false;
	}
	else {
		return true;
	}
}
function nextSlide() {
	gCurrentImage = (gCurrentImage + 1) % gNumberOfImages;
	loadSlide(gSliderImages[gCurrentImage]);
}
gImageCapableBrowser = canManipulateImages();
gCurrentImage = 0;
setInterval("nextSlide()",gSlideshowInterval * 1000);