if(window.addEventListener) window.addEventListener('load', addEventListeners, false);
else if(window.attachEvent) window.attachEvent('onload', addEventListeners);

function addEventListeners() {
	images = document.getElementsByTagName('img');
	for(n = 0; n < images.length; n ++) {
		if(images[n].className == 'ibar2tn' || images[n].className == 'ibar2coretn' || images[n].className == 'softwaretn') {
			if(images[n].addEventListener) images[n].addEventListener('click', updateImage, false);
			else if(images[n].attachEvent) images[n].attachEvent('onclick', updateImage);
		}
	}
}

function updateImage(e) {
	if(e.currentTarget) tn = e.currentTarget;
	else if(e.srcElement) tn = e.srcElement;
	id = tn.className.substr(0, tn.className.length - 2);
	uri = tn.src.substr(0, tn.src.length - 6) + '.jpg';
	document.getElementById(id).src = uri;
}