// This JavaScript file works with Mozilla
function CacheImage(ImageSource) { 
	var ImageObject = new Image();
   ImageObject.src = ImageSource;
   return ImageObject;
}

function ShowSlide(Direction) {
	if (SlideReady) {
		NextSlide = CurrentSlide + Direction;
		// THIS WILL DISABLE THE BUTTONS (IE-ONLY)
		document.SlideShow.Previous.disabled = (NextSlide == 0);
		document.SlideShow.Next.disabled = (NextSlide == 
		(Slides.length-1));    
		if ((NextSlide >= 0) && (NextSlide < Slides.length)) {
			document.images['Screen'].src = Slides[NextSlide].src;
			CurrentSlide = NextSlide++;
			Message = 'Picture ' + (CurrentSlide+1) + ' of ' + Slides.length;
			self.defaultStatus = Message;
            if (Direction == 1) 
				CacheNextSlide();
		}
		return true;
	}
}
// ----- Download
function Download() {
	if (Slides[NextSlide].complete) {
		SlideReady = true;
	self.defaultStatus = Message;
	}
	else 
		setTimeout("Download()", 100); // CHECKS DOWNLOAD STATUS EVERY 100 MS
	return true;
}

// ---- CacheNextSlide()
function CacheNextSlide() {
	if ((NextSlide < Slides.length) && (typeof Slides[NextSlide] == 'string'))
	{ // ONLY CACHES THE IMAGES ONCE
		SlideReady = false;
		self.defaultStatus = 'Downloading next picture...';
		Slides[NextSlide] = CacheImage(Slides[NextSlide]);
		Download();
	}
	return true;
}

function StartSlideShow() {
	CurrentSlide = -1;
	Slides[0] = CacheImage(Slides[0]);
	SlideReady = true;
	ShowSlide(1);
}
