<!-- Begin
if (document.images) {
backon = new Image();
backon.src = "images/backon.gif"
backoff = new Image();
backoff.src = "images/backoff.gif"
}
function img_act(imgname) {
if (document.images) {
imgOn = eval(imgname + "on.src");
document [imgname].src = imgOn;
}
}
function img_inact(imgname) {
if (document.images) {
imgOff = eval(imgname + "off.src");
document [imgname].src = imgOff;
}
}
// -->