//******************************************************************
// Classes de Menu DHTML
// Autor: Washington Tadeu - 18/01/2005
// Classes: 
//		MenuContainer();
//		MenuItem(nome, label);
//		SubMenuItem(label, link, alvo);
//
// EXEMPLO:
// var menuContainer = new MenuContainer();
// var menu = new MenuItem("menu1", "Menu");
// menuContainer.addMenuItem(menu);
// var submenu = new SubMenuItem("Sub-Menu", "link.htm", "_blank");
// menu.addSubMenuItem(submenu);
// menuContainer.writeMenuContainer();
//******************************************************************


//******************************************************************
// Classe MenuContainer
//******************************************************************
function MenuContainer()
{
  this.MenuItem = new Array();
  this.writeMenuContainer = writeMenuContainer;
  this.addMenuItem = addMenuItem;
}

function writeMenuContainer()
{
  document.write("<div id='masterdiv'>");
  for (var i=0; i<this.MenuItem.length; i++)
  {
    this.MenuItem[i].writeMenuItem();
  }
  document.write("</div>");
}

function addMenuItem(MenuItem)
{
    this.MenuItem[this.MenuItem.length] = MenuItem;
}

//******************************************************************
// Classe MenuItem
//******************************************************************
function MenuItem(nome, label)
{
  this.nome = nome;
  this.label = label;
  this.SubMenuItem = new Array();
  this.writeMenuItem = writeMenuItem;
  this.addSubMenuItem = addSubMenuItem;
}

function SwitchMenu(obj)
{
  if(document.getElementById)
  {
    var el = document.getElementById(obj);
    var ar = document.getElementById("masterdiv").getElementsByTagName("span");

    if(el.style.display != "block")
    {
      for (var i=0; i<ar.length; i++)
      {
        if (ar[i].className=="submenu")
          ar[i].style.display = "none";
      }
      el.style.display = "block";
    }
    else
    {
      el.style.display = "none";
    }
  }
}

function writeMenuItem()
{
  document.write("<div class='menutitle' onclick='SwitchMenu(\"" + this.nome + "\")'>" + this.label + "</div>");
  document.write("<span class='submenu' id='" + this.nome + "'>");
  for (var i=0; i<this.SubMenuItem.length; i++)
  {
    this.SubMenuItem[i].writeSubMenuItem();
  }
  document.write("</span>");
}

function addSubMenuItem(SubMenuItem)
{
    this.SubMenuItem[this.SubMenuItem.length] = SubMenuItem;
}

//******************************************************************
// Classe SubMenuItem
//******************************************************************
function SubMenuItem(label, link, alvo,title)
{  
  this.label = label; 
  this.link = link;
  this.alvo = alvo || "_blank";
  this.title = title || "";
  this.opcoes = new String();
  this.estiloOpcoes = new String();  
  this.addOpcoes = addOpcoes;
  this.addEstiloOpcoes = addEstiloOpcoes;
  this.writeSubMenuItem = writeSubMenuItem;
}

function addOpcoes(opcao)
{
  this.opcoes += opcao;
}

function addEstiloOpcoes(estilo)
{
  this.estiloOpcoes = estilo;
}

function writeSubMenuItem()
{
    document.write("<a href='" + this.link + "' target='" + this.alvo + "' title='" + this.title + "'>" + this.label + "</a><br>");
}