function showThumbnail(imageName, imageColor, selectClassId)
{
	document.getElementById("product_thumbnail").src = imageName;
	document.getElementById("imageColor").innerHTML = "Showing: " + imageColor;
	
	var temp = '';
	
	if (selectClassId) {
		for (var colorPosition in names[selectClassId]['options']) {
			if (names[selectClassId]['options'][colorPosition] == imageColor) {
				document.getElementById('po' + selectClassId).value = colorPosition;
				break;
			}
		}
	}
	return false;
}