function ToggleDisplay(oButton, oItems) 
{
	if ((oItems.style.display == "") || (oItems.style.display == "none")) 
	{
		oItems.style.display = "block";
		oButton.src = "images/minus.gif";
	}
	else 
	{
		oItems.style.display = "none";
		oButton.src = "images/plus.gif";
	}
	return false;
}

function HideDisplay(oItems) 
{
	oItems.style.display = "none";
}

function ShowDisplay(oItems) 
{
	oItems.style.display = "block";
}