actu_off = new Image ( );
actu_off.src = "../img/infosbanner/actu.jpg";
actu_on = new Image ( );
actu_on.src = "../img/infosbanner/actu-select.jpg";

presse_off = new Image ( );
presse_off.src = "../img/infosbanner/presse.jpg";
presse_on = new Image ( );
presse_on.src = "../img/infosbanner/presse-select.jpg";

liens_off = new Image ( );
liens_off.src = "../img/infosbanner/liens.jpg";
liens_on = new Image ( );
liens_on.src = "../img/infosbanner/liens-select.jpg";

partenaires_off = new Image ( );
partenaires_off.src = "../img/infosbanner/partenaires.jpg";
partenaires_on = new Image ( );
partenaires_on.src = "../img/infosbanner/partenaires-select.jpg";

equipe_off = new Image ( );
equipe_off.src = "../img/infosbanner/equipe.jpg";
equipe_on = new Image ( );
equipe_on.src = "../img/infosbanner/equipe-select.jpg";

function button_on ( imgName )
{
    butOn = eval ( imgName + "_on.src" );
    document [imgName].src = butOn;
}

function button_off ( imgName )
  {
    butOff = eval ( imgName + "_off.src" );
    document [imgName].src = butOff;
}