var imgActive = "";

function ImageSwap(imgName)
{
	var image = (document.getElementById) ? document.getElementById(imgName) : document[imgName];

	if (image && image.src)
	{
		if (image.src.indexOf("1.png") > -1)
		{
			image.src = "/images/" + imgName + "2.png";
		}
		else if (imgName != imgActive)
		{
			image.src = "/images/" + imgName + "1.png";
		}
	}
}