var activeHelpDiv;

function toggleDisplay(helpId, displayVal) 
{
  if (!document.getElementById) {
		return true;
	}
  var helpDiv = document.getElementById(helpId);
  if (!helpDiv) {
		return true;
	}
  var displayOn;
  switch (displayVal) 
  {
    case "on": 
			displayOn = true; 
			break;
    case "toggle": 
      if (helpDiv.style.display != "inline")
      {
       displayOn = true; 
       break; 
      }
    default:
			displayOn = false;
  }
  if (displayOn) 
  {
    if (activeHelpDiv) 
    {
      if (activeHelpDiv.id != helpId) {
				activeHelpDiv.style.display = "none";
			}
    }
    helpDiv.style.display = "inline";
    activeHelpDiv = helpDiv;
  }
  else 
  {
    helpDiv.style.display = "none";
    activeHelpDiv = null;
  }
  return false;
}