i1 = new Image;
i1.src = "img/img_menu/b_apropos_f_2.gif";

i2 = new Image;
i2.src = "img/img_menu/b_destina_f_2.gif";

i3 = new Image;
i3.src = "img/img_menu/b_info_f_2.gif";

i4 = new Image;
i4.src = "img/img_menu/b_contact_f_2.gif";

i4 = new Image;
i4.src = "img/img_menu/b_devis_f_2.gif";

i4 = new Image;
i4.src = "img/img_circuits/img_boutons/circ_promotion_f_2.gif";



if (document.images) {

}

var propoff = "img/img_menu/b_apropos_f_1.gif";
var propon = "img/img_menu/b_apropos_f_2.gif";


var destoff = "img/img_menu/b_destina_f_1.gif";
var deston = "img/img_menu/b_destina_f_2.gif";


var infoff = "img/img_menu/b_info_f_1.gif";
var infon = "img/img_menu/b_info_f_2.gif";


var contaoff = "img/img_menu/b_contact_f_1.gif";
var contaon = "img/img_menu/b_contact_f_2.gif";


var devisoff = "img/img_menu/b_devis_f_1.gif";
var devison = "img/img_menu/b_devis_f_2.gif";