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

  td.className = "menuHover";
  
  if(d)
  {
    d.className = "menuHover";
  
    spos = findPos(s);
    d.style.left = spos[0];
    d.style.top  = spos[1] + 36;
  }
}

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

  td.className = "menuHover";
  
  if(d)
  {
    d.className = "menuHover";
  }
}

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

  td.className = "menuNormal";

  if(d)
  {
    d.className = "menuNormal";
  }
}
function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}