function menu_hide_menus()
{
  menu_reset_timeout();
  if(opencontainer)
  {
    var c = document.getElementById(opencontainer);
    c.style.visibility = "inherit";
    opencontainer = null;
  }
  if(openmenus)
  {
    for(var i in openmenus)
    {
      var m = document.getElementById(openmenus[i]);
      m.style.visibility = "hidden";			
    }
    openmenus = null;
  }
}