function readImg (imgName)
	{
	if (document.images)
		{
		var onHomeImg = new Image ();
		var offHomeImg = new Image ();
		var onMenuImg = new Image ();
		var offMenuImg = new Image ();
		onHomeImg.src = "http://www.nikkansports.com/ns/img/" + imgName + "_home-on" + ".gif";
		offHomeImg.src = "http://www.nikkansports.com/ns/img/" + imgName + "_home-off" + ".gif";
		onMenuImg.src = "http://www.nikkansports.com/ns/img/" + imgName + "0" + [1-8] + "-on" + ".gif";
		offMenuImg.src = "http://www.nikkansports.com/ns/img/" + imgName + "-off" + ".gif";
		}
	}

function chgImg (imgName,imgID)
	{
	if (document.images)
		{
		document.images[imgName].src = "http://www.nikkansports.com/ns/img/" + imgName + "-" + imgID + ".gif";
		}
	}

function chgImg2 (imgName,imgNo,imgID)
	{
	if (document.images)
		{
		document.images[imgName].src = "http://www.nikkansports.com/ns/img/" + imgName + imgNo + "-" + imgID + ".gif";
		}
	}