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

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

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

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