var openMenus=new Array()

function menu_init ()
{
  var menu = document.getElementById('mainMenu');
  var j = 0;

  for (var i=0 ; menu.childNodes[i]; i++)
  {
      if (menu.childNodes[i].tagName=='LI')
      {
      hs = menu.childNodes[i].getElementsByTagName('B');
      heading = hs[0];
      ss = menu.childNodes[i].getElementsByTagName('UL');
      submenu = ss[0];

      j++;

     heading.onclick = function () { menu_toggle(this); };


     if (getCookie('menu'+j)=='1')
         submenu.style.display = 'block';
      else if (getCookie('menu'+j)=='0')
        submenu.style.display = 'none';
      else if (j==1)
        submenu.style.display = 'block';
      else
        submenu.style.display = 'none';

    }
  }
}

function menu_toggle (heading)
{
  var section = heading.parentNode;
  var submenus = section.getElementsByTagName('UL');
  var submenu = submenus[0];

  if (submenu.style.display=='none')
    submenu.style.display = 'block';
  else
    submenu.style.display = 'none';


  var j = 0;

  var menu = document.getElementById('mainMenu');
  for (var i=0 ; menu.childNodes[i]; i++)
  {
    if (menu.childNodes[i].tagName=='LI')
    {
        hs = menu.childNodes[i].getElementsByTagName('B');
        h = hs[0];

        j++;


        if (h==heading && submenu.style.display=='none')
          setCookie('menu'+j, '0', '/');
        else if (h==heading)
          setCookie('menu'+j, '1', '/');
    }
  }


}

//addLoadEvent(menu_init);