function imgOn(imgName)
{
	if (document.getElementById(imgName))
	{
		document.getElementById(imgName).src = "gui/"+ imgName + "_over.jpg";
	}
}

function imgOff(imgName)
{

	if (document.getElementById(imgName))
	{
		document.getElementById(imgName).src = "gui/"+ imgName + ".jpg";
	}
}

// Note: Used to disable a link in admin.
function NotAvailable(x)
{
}