function expand(obj)
{
cStyle=(window.navigator.appName=="Netscape")?obj.nextSibling.nextSibling.style:obj.nextSibling.style;
cStyle.display=cStyle.display=="none"?cStyle.display="":cStyle.display="none"
}

function ChangeTo(e, color){
tag=(window.navigator.appName=="Netscape")?e.target:event.srcElement;
if (tag.tagName=="TD") 
{
  tag=tag.parentNode;
  if (tag.style.backgroundColor!=color) tag.style.backgroundColor=color;
}
}