function toggle(item, link, showLabel, hideLabel)
{
	var toggleItem = document.getElementById(item);
	if (toggleItem.style.display == "block")
	{
		toggleItem.style.display = "none";
              document.getElementById(link).innerHTML = showLabel;
	}
	else
	{
		toggleItem.style.display = "block";
              document.getElementById(link).innerHTML = hideLabel;
	}
}

function reveal(item)
{
	var toggleItem = document.getElementById(item);
	if (toggleItem.style.display == "block")
	{
		toggleItem.style.display = "none";
	}
	else
	{
		toggleItem.style.display = "block";
	}
}