function toggleZone(minimized_layer,maximized_layer, idx)
{
  
  var allObjects = document.getElementsByTagName("div");

  for (var i = 0; i < allObjects.length; i++)
  {
    if (allObjects[i].getAttribute("name") == minimized_layer ||
        allObjects[i].getAttribute("name") == maximized_layer)
    {
        changeDisplay(allObjects[i]);
    }
  }
}