function initMenu(zone, menu)
{
   var menuSelection = "";
   var submenuSelection = "";
   var arr = menu.split(/\./);

   if (arr.length > 0)
   {
      menuSelection = arr[0];
   }

   if (arr.length > 1)
   {
      submenuSelection = arr[1];
   }

   var currentMenu =
      document.getElementById("menu_" + zone);

   var currentSubMenu =
      document.getElementById(
         "submenu_" + menuSelection);

   if (currentMenu)
   {
      currentMenu.style.display = "inline";
   }

   if (currentSubMenu)
   {
      currentSubMenu.style.display = "block";
   }
}

function flipMenuImages(obj)
{
   var s = obj.parentNode.parentNode.firstChild;

   s.appendChild(s.removeChild(s.firstChild));
}

function initMenuItem(obj, selected)
{
   // Prevent subsequent calls for the same IMG object,
   // which would occur each time obj.src is changed.
   obj.onload = function(){};

   var re = /^((.*\/)*)(.*)0\.gif$/i;
   var src = obj.src;
   var arr = src.match(re);

   var id = arr[3];
   var path = arr[1];

   if (selected)
   {
      obj.src = path + id + "2.gif";
   }
   else
   {
      obj.onmouseout = function()
      {
         obj.src = path + id + "0.gif";
      };

      obj.onmouseover = function()
      {
         obj.src = path + id + "1.gif";
      };
   }
}