ie5or6 = ((navigator.appName == "Microsoft Internet Explorer") && (navigator.appVersion.indexOf("MSIE 6.0") != -1));
function msoverandout(imgId, newImg) 
{
	if (ie5or6) 
	{
		document.all(imgId).src = newImg;
	}
	document.getElementById(imgId).src = newImg;
}