function SetImg (AImage, ASrc)
{
	if (document.images)
	{
		AImage.src = ASrc;
	}
}

function SetBG (AElement, ACol)
{
	AElement.bgColor = ACol;
}

if (document.images)
{
	var optoffred = new Image (16, 16);
	var optonred = new Image (16, 16);
	var optongreen = new Image (16, 16);

	optoffred.src = "images/optoffred.gif";
	optonred.src = "images/optonred.gif";
	optongreen.src = "images/optongreen.gif";
}