bt_prix_on = new Image();
bt_prix_on.src = "/images/website/bt_prix_on.gif";
bt_prix_off = new Image();
bt_prix_off.src = "/images/website/bt_prix_off.gif";

bt_soumettre_on = new Image();
bt_soumettre_on.src = "/images/website/bt_soumettre_on.gif";
bt_soumettre_off = new Image();
bt_soumettre_off.src = "/images/website/bt_soumettre_off.gif";

bt_acheter_on = new Image();
bt_acheter_on.src = "/images/website/bt_acheter_on.gif";
bt_acheter_off = new Image();
bt_acheter_off.src = "/images/website/bt_acheter_off.gif";

bt_acheterenligne_on = new Image();
bt_acheterenligne_on.src = "/images/website/bt_acheterenligne_on.gif";
bt_acheterenligne_off = new Image();
bt_acheterenligne_off.src = "/images/website/bt_acheterenligne_off.gif";

bt_acheter2_on = new Image();
bt_acheter2_on.src = "/images/website/bt_acheter2_on.gif";
bt_acheter2_off = new Image();
bt_acheter2_off.src = "/images/website/bt_acheter2_off.gif";

bt_poursuivre_on = new Image();
bt_poursuivre_on.src = "/images/website/bt_poursuivre_on.gif";
bt_poursuivre_off = new Image();
bt_poursuivre_off.src = "/images/website/bt_poursuivre_off.gif";

bt_poursuivreachat_on = new Image();
bt_poursuivreachat_on.src = "/images/website/bt_poursuivreachat_on.gif";
bt_poursuivreachat_off = new Image();
bt_poursuivreachat_off.src = "/images/website/bt_poursuivreachat_off.gif";

bt_payer_on = new Image();
bt_payer_on.src = "/images/website/bt_payer_on.gif";
bt_payer_off = new Image();
bt_payer_off.src = "/images/website/bt_payer_off.gif";