if (document.images) {

image1on = new Image();
image1on.src = "art/song_samples_on.gif";
image1off = new Image();
image1off.src = "art/song_samples_off.gif";

image2on = new Image();
image2on.src = "art/contact_on.gif";
image2off = new Image();
image2off.src = "art/contact_off.gif";

image3on = new Image();
image3on.src = "art/press_on.gif";
image3off = new Image();
image3off.src = "art/press_off.gif";

image4on = new Image();
image4on.src = "art/record_release_on.gif";
image4off = new Image();
image4off.src = "art/record_release_off.gif";

image5on = new Image();
image5on.src = "art/buy_it_on.gif";
image5off = new Image();
image5off.src = "art/buy_it_off.gif";

}
function changeImages() {
if (document.images) {
for (var i=0; i<changeImages.arguments.length; i+=2) {
document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
}
}
}