toc1an = new Image(430, 246);
toc1an.src = "band/images/log04b.gif";

toc1aus = new Image(430, 246);
toc1aus.src = "band/images/log04a.gif";

function img_act(imgName)
                {
                imgOn = eval(imgName + "an.src");
                        document [imgName].src = imgOn;
                }
function img_inact(imgName)
                {
                imgOff = eval(imgName + "aus.src");
                document [imgName].src = imgOff;
                }