function Overdual(picimage, pictexte) {
document.images['pic'].src = "Images/"+ picimage + ".jpg";
document.images['text'].src = "Images/"+ pictexte + ".gif";
}

function Outdual(picimage, pictexte) {
document.images['pic'].src = "Images/"+ picimage + ".jpg";
document.images['text'].src = "Images/"+ pictexte + ".gif";
}