/*
<a href="" onMouseOver="javascript:dropMenu('projectsSubMenu')" onMouseOut="javascript:closeMenu ('projectsSubMenu')">
   Projects
</a>
*/

   var ns4 = (document.layers) ? true : false;
   var ie4 = (document.all) ? true : false;
   var menuToClose = null;
   var openMenu = null;
   var timeout = 1000;

   /* Drops the specified menu */
   function dropMenu(menuItem)
   {
      if (menuItem != openMenu)
      {
         closeMenu2(openMenu);
      }

      if (ns4)
      {
         document.layers['menuContainer'].document.layers[menuItem].visibility = "show";
      }
      else if (ie4)
      {
         document.all[menuItem].style.visibility = "visible";
      }

      openMenu = menuItem;
      menuToClose = null;
   }


   /* Closes the active menu */
   function closeActive()
   {
      closeMenu2(openMenu);
   }


   /* Closes the specified menu */
   function closeMenu(menuItem)
   {
      menuToClose = menuItem;
      setTimeout(closeMenu2, timeout);
   }


   /* Closes the specified menu */
   function closeMenu2(menuItem)
   {
      if (menuToClose != null)
      {
         if (ns4)
         {
            document.layers['menuContainer'].document.layers[menuToClose].visibility = "hide";
         }
         else if (ie4)
         {
            document.all[menuToClose].style.visibility = "hidden";
         }
      }
   }