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

  td.className = "menuHoverx";
  d.className = "menuHover";
  

  //var e = window.event;
  //d.style.left=e.clientX;
  //d.style.top =e.clientY;
}

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

  td.className = "menuNormalx";
  d.className = "menuNormal";
}