function expand(s)
{
  var td = s;
  if (td.getElementsByTagName("div").item(0) != undefined)
  {
  	var d = td.getElementsByTagName("div").item(0);
	td.className = "menuHover";
    d.className = "menuHover";
  }
}

function collapse(s)
{
  var td = s;
  if (td.getElementsByTagName("div").item(0) != undefined)
  {
    var d = td.getElementsByTagName("div").item(0);
    td.className = "menuNormal";
    d.className = "menuNormal";
  }
}