bt1on = new Image();
bt1on.src = "../assets/images/bt_imprimer_on.gif";
bt1off = new Image();
bt1off.src = "../assets/images/bt_imprimer_off.gif";
bt2on = new Image();
bt2on.src = "../assets/images/bt_reservation_on.gif";
bt2off = new Image();
bt2off.src = "../assets/images/bt_reservation_off.gif";

bt01on = new Image();
bt01on.src = "../assets/images/bt_circuitsC_on.gif";
bt01off = new Image();
bt01off.src = "../assets/images/bt_circuitsC_off.gif";
bt02on = new Image();
bt02on.src = "../assets/images/bt_guidesC_on.gif";
bt02off = new Image();
bt02off.src = "../assets/images/bt_guidesC_off.gif";
bt03on = new Image();
bt03on.src = "../assets/images/bt_surmesureC_on.gif";
bt03off = new Image();
bt03off.src = "../assets/images/bt_surmesureC_off.gif";
bt04on = new Image();
bt04on.src = "../assets/images/bt_receptif_on.gif";
bt04off = new Image();
bt04off.src = "../assets/images/bt_receptif_off.gif";
bt05on = new Image();
bt05on.src = "../assets/images/bt_nimes_on.gif";
bt05off = new Image();
bt05off.src = "../assets/images/bt_nimes_off.gif";
bt06on = new Image();
bt06on.src = "../assets/images/bt_partenaires_on.gif";
bt06off = new Image();
bt06off.src = "../assets/images/bt_partenaires_off.gif";
bt07on = new Image();
bt07on.src = "../assets/images/groupes_nimes_drapeauxA_on.gif";
bt07off = new Image();
bt07off.src = "../assets/images/groupes_nimes_drapeauxA_off.gif";
bt08on = new Image();
bt08on.src = "../assets/images/bt_brochure_on.gif";
bt08off = new Image();
bt08off.src = "../assets/images/bt_brochure_off.gif";

function ChangImg(imgName,sens) {
     imgOn = eval(imgName+sens+".src");
     document [imgName].src = imgOn;
}