function changeOver(theId)
{
var origName = document.getElementById(theId).src;
origName = origName.replace("Up.png", "Down.png");
document.getElementById(theId).src = origName;
return;
}

function changeOut(theId)
{
var origName = document.getElementById(theId).src;
origName = origName.replace("Down.png", "Up.png");
document.getElementById(theId).src = origName;
return;
}