function toggle(targetId)
{
	if (document.getElementById)
	{
		target = document.getElementById(targetId);
	}
	else if (document.all)
	{
		target = document.all[targetId];
	}
	else if (document.layers)
	{
		target = document.layers[targetId];
	}

	if (target.style.display == "none")
	{
		target.style.display = "";
	}
	else
	{
		target.style.display = "none";
	}
}