<!-- 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
// -->