function displaySubNav()
{
	obj = document.getElementById('subNavList');
	if (obj.className != "permanent")
	{
		obj.style.display = "block";
	}
}

function hideSubNav()
{
	obj = document.getElementById('subNavList');
	if (obj.className != "permanent")
	{
		obj.style.display = "none";
	}
}