function showHideMenu(id, id2)
{
  var i = document.getElementById(id);
  var y = document.getElementById(id2);
  if (i.style.display == 'block')
  {
    i.style.display = 'none';
    //y.style.backgroundImage = "url('images/lmenu_3_information.jpg')";
  }
  else
  {
    i.style.display = 'block';
    //y.style.backgroundImage = "url('images/lmenu_3_information_hover.jpg')";  
  }
  
}