<!-- hide code from older browsers 
function imageSwap (toggle, image, nextInstanceName, description) {
/*
Purpose: 	To swap an image source with another image 
Date: 		18/08/1998
Version: 	1.00
*/
	if (document.images) {
		imageName = eval(image + toggle + ".src"); 
		imageWithBottom = image + nextInstanceName; 
 		document[imageWithBottom].src = imageName; 
		window.status = description;
	} else { // do not implement function 
	} // if
} // imageSwap
// -->