function expand_01(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);

  td.className = "menu_01_hover";
  d.className = "menu_01_hover";
}

function collapse_01(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);

  td.className = "menu_01_normal";
  d.className = "menu_01_normal";
}
function mouseover_01(s)
{
  var td = s;

  td.className = "menu_01_hover";
}
function mouseout_01(s)
{
  var td = s;

  td.className = "menu_01_normal";
}
function expand_02(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);

  td.className = "menu_02_hover";
  d.className = "menu_02_hover";
}

function collapse_02(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);

  td.className = "menu_02_normal";
  d.className = "menu_02_normal";
}
function mouseover_02(s)
{
  var td = s;

  td.className = "menu_02_hover";
}
function mouseout_02(s)
{
  var td = s;

  td.className = "menu_02_normal";
}