function expanda(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);

  td.className = "menuHoverA";
  d.className = "menuHoverA";
}

function collapsea(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);

  td.className = "menuNormalA";
  d.className = "menuNormalA";
}