if (document.images){
autop1On=new Image(53, 40); autop1On.src="../img/prod_autop_on.jpg";
autop1Off=new Image(53, 40); autop1Off.src="../img/prod_autop_off.jpg";
rib1On=new Image(97, 40); rib1On.src="../img/prod_rib_on.jpg";
rib1Off=new Image(97, 40); rib1Off.src="../img/prod_rib_off.jpg";
biga1On=new Image(50, 40); biga1On.src="../img/prod_biga_on.jpg";
biga1Off=new Image(50, 40); biga1Off.src="../img/prod_biga_off.jpg";
atr1On=new Image(59, 40); atr1On.src="../img/prod_atr_on.jpg";
atr1Off=new Image(59, 40); atr1Off.src="../img/prod_atr_off.jpg";
spec1On=new Image(106, 40); spec1On.src="../img/prod_spec_on.jpg";
spec1Off=new Image(106, 40); spec1Off.src="../img/prod_spec_off.jpg";
}
function on(pic){
if (document.images){
document.images[pic].src=eval (pic + "On.src"); } }
function off(pic){
if (document.images){
document.images[pic].src=eval (pic + "Off.src"); } }