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

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

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

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

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

  td.className = "menu_01_normal";
}