// <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 parents = new Array();

var current;
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 );

	//alert(p["at_parent"]+" "+p["at_child"]);
	var actclass = p["at_parent"].indexOf('child') > 0 ? "childMenuItemAct" : "navact";
	p.style.className=actclass;
	p.childNodes[0].className=actclass;


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

  /*if(c["at_position"] == "y") {
	  left
  }*/

  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";  
}

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

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

	current = this.id;

  at_show_aux(p.id, c.id);

	var is_child = this.id.split("_child");
	if(is_child.length > 2) {
		var p2 = document.getElementById(is_child[0]+"_child");
		clearTimeout(p2["at_timeout"]);
	}

  clearTimeout(c["at_timeout"]);
}

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

function at_hide()
{
	
  var c = document.getElementById(this["at_child"]);
  var p = document.getElementById(this["at_parent"]);
  var cc = document.getElementById(c["at_child"]);
  
	c["at_timeout"] = setTimeout("at_hide_aux('"+c.id+"','"+p.id+"')", 133);
}

function at_hide_aux(cid,p) {

	var c = document.getElementById(cid);
	var p = document.getElementById(p);

	var is_child = c.id.split("_child");
	if(is_child.length > 2) {
		var c2 = document.getElementById(is_child[0]+"_child");
		var p2 = document.getElementById(c2["at_parent"]);

		if(current != c2.id) {
			c2["at_timeout"] = setTimeout("at_hide_aux('"+c2.id+"','"+p2.id+"')", 0);
		}
	}
	
	var actclass = p["at_parent"].indexOf('child') > 0 ? "childMenuItem" : "";
	p.style.className=actclass;
	p.childNodes[0].className=actclass;
	document.getElementById(c.id).style.visibility = 'hidden';
}

// ----- 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 -----

// PARAMETERS:
// parent   - id of visible html element
// child    - id of invisible html element that will be dropdowned
// showtype - "click" = you should click the parent to show/hide the child
//            "hover" = you should place the mouse over the parent to show
//                      the child
// position - "x" = the child is displayed to the right of the parent
//            "y" = the child is displayed below the parent
// cursor   - Omit to use default cursor or check any CSS manual for possible
//            values of this field

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(p.id.indexOf("child") > 0) {		
		p.style.backgroundImage = p.childNodes[0].style.backgroundImage = 'url(http://www.pihapiiri.fi/wmanage/data/sites/107/img/pieni_nuoli.gif)';
		p.style.backgroundRepeat = p.childNodes[0].style.backgroundRepeat ="no-repeat";
		p.style.backgroundPosition = p.childNodes[0].style.backgroundPosition ="130px center";
	}

  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;
  }
}