function expand(s)
{
  var td = document.getElementById(s);
  //var td1 = document.getElementById(b);
  var d = td.getElementsByTagName("div").item(0);

  //td.className = "menuHover";
  //td1.className = "menuHover";
  d.className = "menuHover";
}

function collapse(s)
{
  var td = document.getElementById(s);
  //var td1 = document.getElementById(b);
  var d = td.getElementsByTagName("div").item(0);

  //td.className = "menuNormal";
  //td1.className = "menuNormal";
  d.className = "menuNormal";
}