var passeportUp = new Image();
passeportUp.src = "../images/communs/bt_passeport-up.gif";

var passeportRoll = new Image();
passeportRoll.src = "../images/communs/bt_passeport-roll.gif";


var promotionsConcoursUp = new Image();
promotionsConcoursUp.src = "../images/communs/bt_promotionsconcours-up.gif";

var promotionsConcoursRoll = new Image();
promotionsConcoursRoll.src = "../images/communs/bt_promotionsconcours-roll.gif";


var horairePlanUp = new Image();
horairePlanUp.src = "../images/communs/bt_horaireplan-up.gif";

var horairePlanRoll = new Image();
horairePlanRoll.src = "../images/communs/bt_horaireplan-roll.gif";