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

  td.className = "menuHover1";
  td1.className = "menuHover";
  d.className = "menuHover";
}

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

  td.className = "menuNormal1";
  td1.className = "menuNormal";
  d.className = "menuNormal";
}