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

  //td.className = "menuHover";
  d.className = "menuHover";
  d.style.left=0;
  d.style.top=td.offsetHeight + 'px';
}
function expandMenu(s,width)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);
  var left = width-2;
  //td.className = "menuHover";
  d.className = "menuHover";
  d.style.left=left + 'px';
  //d.style.top=d.offsetTop + 'px';
}

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

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