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";
}

function mhover(s)
{
  var td = s;
  var a = td.getElementsByTagName("a").item(0);

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

function mnormal(s)
{
  var td = s;
  var a = td.getElementsByTagName("a").item(0);

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

function expandall(s)
{
  expand(s)
  mhover(s)
}

function collapseall(s)
{
  collapse(s)
  mnormal(s)
}