function popUpLargeImage( obj, itemId, imageHost ) {
	obj.src = 'http://' + imageHost + '/BigImages/' + itemId + '.JPG';
}

function popDownLargeImage( obj, itemId, imageHost) {
	obj.src = 'http://' + imageHost + '/Images/' + itemId + '.JPG';
}

function toggleLargeImage(obj, itemId, imageHost) {
	if(obj.src.indexOf('BigImages') != -1) {
		popDownLargeImage(obj, itemId, imageHost);
	} else {
		popUpLargeImage(obj, itemId, imageHost);
	}
}

function openWindow(url)
{
popupWin = window.open(url, 'openWin', "width=400, height=250, scrollbars=yes");
}