function at_show_aux(parent, child)
{
  var p = document.getElementById(parent);
  var c = document.getElementById(child );

  var top  = (c["at_position"] == "y") ? p.offsetHeight+8 : 0;
  var left = (c["at_position"] == "x") ? p.offsetWidth +2 : 0;

  for (; p; p = p.offsetParent)
  {
    top  += p.offsetTop;
    left += p.offsetLeft;
  }

  c.style.position   = "absolute";
  c.style.top        = top +'px';
  c.style.left       = left+'px';
  c.style.visibility = "visible";
}

// ***** at_show *****

function at_show()
{
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);
	//alert("at show")
	document.getElementById("com").src="images/lnk-com-over.jpg";	
	document.getElementById("menu_child").style.display="block";
  at_show_aux(p.id, c.id);
  clearTimeout(c["at_timeout"]);
}

// ***** at_hide *****

function at_hide()
{
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);
document.getElementById("com").src="images/lnk-com.jpg";	
  c["at_timeout"] = setTimeout("document.getElementById('"+c.id+"').style.visibility = 'hidden'", 333);
}

// ***** at_click *****

function at_click()
{
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);

  if (c.style.visibility != "visible") at_show_aux(p.id, c.id); else c.style.visibility = "hidden";
  return false;
}

// ***** at_attach *****

// PARAMETERS:
// parent   - id of the parent html element
// child    - id of the child  html element that should be droped down
// showtype - "click" = drop down child html element on mouse click
//            "hover" = drop down child html element on mouse over
// position - "x" = display the child html element to the right
//            "y" = display the child html element below
// cursor   - omit to use default cursor or specify CSS cursor name

function at_attach(parent, child, showtype, position, cursor)
{
  var p = document.getElementById(parent);
  var c = document.getElementById(child);

  p["at_parent"]     = p.id;
  c["at_parent"]     = p.id;
  p["at_child"]      = c.id;
  c["at_child"]      = c.id;
  p["at_position"]   = position;
  c["at_position"]   = position;

  c.style.position   = "absolute";
  c.style.visibility = "hidden";

  if (cursor != undefined) p.style.cursor = cursor;

  switch (showtype)
  {
    case "click":
      p.onclick     = at_click;
      p.onmouseout  = at_hide;
      c.onmouseover = at_show;
      c.onmouseout  = at_hide;
      break;
    case "hover":
      p.onmouseover = at_show;
      p.onmouseout  = at_hide;
      c.onmouseover = at_show;
      c.onmouseout  = at_hide;
      break;
  }
}



function at_show1_aux(parent1, child1)
{
  var p = document.getElementById(parent1);
  var c = document.getElementById(child1 );

  var top  = (c["at_position"] == "y") ? p.offsetHeight+2 : 0;
  var left = (c["at_position"] == "x") ? p.offsetWidth +2 : 0;

  for (; p; p = p.offsetParent)
  {
    top  += p.offsetTop;
    left += p.offsetLeft;
  }

  c.style.position   = "absolute";
  c.style.top        = top +'px';
  c.style.left       = left+'px';
  c.style.visibility = "visible";
}

// ***** at_show1 *****

function at_show1()
{
  var p = document.getElementById(this["at_parent1"]);
  var c = document.getElementById(this["at_child1" ]);
document.getElementById("res").src="images/lnk-res-over.jpg";
document.getElementById("menu_child1").style.display="block";
  at_show1_aux(p.id, c.id);
  clearTimeout(c["at_timeout"]);
}

// ***** at_hide1 *****

function at_hide1()
{
  var p = document.getElementById(this["at_parent1"]);
  var c = document.getElementById(this["at_child1" ]);
document.getElementById("res").src="images/lnk-res.jpg";
  c["at_timeout"] = setTimeout("document.getElementById('"+c.id+"').style.visibility = 'hidden'", 333);
}

// ***** at_click1 *****

function at_click1()
{
  var p = document.getElementById(this["at_parent1"]);
  var c = document.getElementById(this["at_child1" ]);

  if (c.style.visibility != "visible") at_show1_aux(p.id, c.id); else c.style.visibility = "hidden";
  return false;
}

// ***** at_attach1 *****

// PARAMETERS:
// parent1   - id of the parent1 html element
// child1    - id of the child1  html element that should be droped down
// showtype - "click" = drop down child1 html element on mouse click
//            "hover" = drop down child1 html element on mouse over
// position - "x" = display the child1 html element to the right
//            "y" = display the child1 html element below
// cursor   - omit to use default cursor or specify CSS cursor name

function at_attach1(parent1, child1, showtype, position, cursor)
{
  var p = document.getElementById(parent1);
  var c = document.getElementById(child1);

  p["at_parent1"]     = p.id;
  c["at_parent1"]     = p.id;
  p["at_child1"]      = c.id;
  c["at_child1"]      = c.id;
  p["at_position"]   = position;
  c["at_position"]   = position;

  c.style.position   = "absolute";
  c.style.visibility = "hidden";

  if (cursor != undefined) p.style.cursor = cursor;

  switch (showtype)
  {
    case "click":
      p.onclick     = at_click1;
      p.onmouseout  = at_hide1;
      c.onmouseover = at_show1;
      c.onmouseout  = at_hide1;
      break;
    case "hover":
      p.onmouseover = at_show1;
      p.onmouseout  = at_hide1;
      c.onmouseover = at_show1;
      c.onmouseout  = at_hide1;
      break;
  }
}