// 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/menu.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.


// ----- DropDown Control ------------------------------------------------------

var at_timeout = 50;
var verM=new Object();
var MenClas=new Object();
// ----- Show Aux -----

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

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

  for (; p; p = p.offsetParent)
  {
	if(verM[p.id]!=undefined && top==sP.offsetHeight+1 ){ top=0; left = sP.offsetWidth;}
	if (p.style.position != 'absolute')
    {
      left += p.offsetLeft;
      top  += p.offsetTop;
    }
  }

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

// ----- Hide Aux -----
function at_hide_aux(parent, child)
{
  var pClass=document.getElementById(parent).className;
  var cList=pClass.split(' ');
  if(cList.length<2){ document.getElementById(parent).className += " parent";}
  document.getElementById(child).style.visibility = "hidden";
}

// ----- 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"]);
}

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

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

// ----- Attach -----

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

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

  p.onmouseover = at_show;
  p.onmouseout  = at_hide;
  c.onmouseover = at_show;
  c.onmouseout  = at_hide;
}

// ----- DropDown Menu ---------------------------------------------------------

// ----- Build Aux -----

function dhtmlmenu_build_aux(parent, child, position)
{
  var pClass=document.getElementById(parent).className;
  var cList=pClass.split(' ');
  if(cList.length<2) document.getElementById(parent).className += " parent";
  else  pClass=cList[0];
  document.write('<div class="vert_menu '+pClass+'" id="'+parent+'_child">');
  
  var n = 0;
  for (var i in child)
  {
    if (i == '-')
    {
      document.getElementById(parent).href = child[i];
      continue;
    }

    if (typeof child[i] == "object")
    {
	  document.write('<a class="'+pClass+'" id="'+parent+'_'+n+'">'+i+'</a>');
      dhtmlmenu_build_aux(parent+'_'+n, child[i], "x");
    }
    else document.write('<a class="'+pClass+'" id="'+parent+'_'+n+'" href="'+child[i]+'">'+i+'</a>');
    n++;
  }

  document.write('</div>');

  at_attach(parent, parent+"_child", position);
}

// ----- Build -----

function dhtmlmenu_build(menu)
{
  for (var i in menu) dhtmlmenu_build_aux(i, menu[i], "y");
}