function rollOverButton (id, image, state) 
{
	if (document.getElementById) 
	{
		var element_id = document.getElementById(id);
		element_id.className = image + state + '';
	}
}

function act(imgName)
{
	if (document.images)
	{
		document.getElementById(imgName).src = eval(imgName+'On.src');
	}
}

function inact(imgName)
{
	if (document.images) 
	{
		document.getElementById(imgName).src = eval(imgName+'Off.src');
	}
}