// <script>

// Copyright (C) 2005 Ilya S. Lyubinskiy. All rights reserved.
// Technical support: http://www.php-development.ru/
//
// YOU MAY NOT
// (1) Remove or modify this copyright notice.
// (2) Distribute this code, any part or any modified version of it.
//     Instead, you can link to the homepage of this code:
//     http://www.php-development.ru/javascripts/dropdown.php.
//
// YOU MAY
// (1) Use this code on your website.
// (2) Use this code as a part of another product provided that
//     its main use is not creating javascript menus.
//
// NO WARRANTY
// This code is provided "as is" without warranty of any kind, either
// expressed or implied, including, but not limited to, the implied warranties
// of merchantability and fitness for a particular purpose. You expressly
// acknowledge and agree that use of this code is at your own risk.


// ----- Popup Control ---------------------------------------------------------

var parentIT;

function at_display(x)
{
  var win = window.open();
  for (var i in x) win.document.write(i+' = '+x[i]+'<br>');
}

// ----- Show Aux -----

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

  var top  = (c["at_position"] == "y") ? p.offsetHeight+1 : 0;
  var left = (c["at_position"] == "x") ? p.offsetWidth +1 : 0;

   if(parentIT == this)
	top-=5;

  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";
  
  if(c.child!="")
	  parentIT = c.child;
  else
	parentIT = "";
}

// ----- Show -----

function at_show()
{
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);
	
  at_show_aux(p.id, c.id);
  clearTimeout(c["at_timeout"]);
  
  if(parentIT != "") {
  	parentIT.style.visibility = "visible";
	clearTimeout(parentIT["at_timeout"]);
  }
}

// ----- Hide -----

function at_hide() {
  var c = document.getElementById(this["at_child"]); 
  var p = document.getElementById(this["at_parent"]); 
  
  if(p.child != "")
	p.child.style.visibility = "hidden";
  if(parentIT != this)
	  c["at_timeout"] = setTimeout("document.getElementById('"+c.id+"').style.visibility = 'hidden'", 50);	
}

// ----- 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;
}
*/
// ----- Attach -----

function at_attach(parent, child, showtype, position, cursor, subItem)
{
  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["child"] = ""
  p["child"]  = ""
  
  if(subItem!="") {
	  c["child"] = document.getElementById(subItem);
	  p["child"]   = document.getElementById(subItem);
  }
  
  c.style.position   = "absolute";
  c.style.visibility = "hidden";

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

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