var currentImage = 0; //current image
        var prevImage = 0; // last image
        var maxImage = 2; //number of images to cycle
        var nextDelay = 10000; //how often to go to the next image
        var timer;
        function NextImage()
        {
            prevImage = currentImage;
            currentImage++;
            if (currentImage > maxImage) currentImage = 0;
            UpdateGraphic();
        }
        function PreviousImage()
        {
            prevImage = currentImage;
            currentImage--;
            if (currentImage < 0) currentImage = maxImage;
            UpdateGraphic();
        }
        function UpdateGraphic()
        {
            window.clearTimeout(timer);
            var el = document.getElementById('Display' + prevImage.toString());
            if (el) el.style.display = 'none';
            el = document.getElementById('Display' + currentImage.toString());
            if (el) el.style.display = '';
            timer = window.setTimeout(NextImage, nextDelay);
        }
        function GetGraphic(num)
        {
	        prevImage = currentImage;
	        currentImage = num;
	        UpdateGraphic();
	        window.clearTimeout(timer);
        }
        function changeImages() {
	        if (document.images) {
		        for (var i=0; i<changeImages.arguments.length; i+=2) {
			        document.getElementById(changeImages.arguments[i]).src = changeImages.arguments[i+1];
		        }
	        }
        }
        timer = window.setTimeout(NextImage, nextDelay);
        var preloadFlag = false;