function ShowHide(idToShow, idToHide) {
    document.getElementById(idToHide).style.display="none";
    document.getElementById(idToShow).style.display="block";
}

function DisplayTemporarily(id, DisplayTimeMilliseconds) {
	myElement = document.getElementById(id);
	setTimeout("myElement.style.display='none';", DisplayTimeMilliseconds);
}