function expand(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(1);

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

function collapse(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(1);

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