function masqueSaisieDate(obj) {
    var ch;
    var ch_gauche, ch_droite;

    ch = obj.value;
    ch.toString();

    if (((ch.slice(2, 3)) != ("/")) && (ch.length >= 3)) {
        ch_gauche = ch.slice(0, 2);
        ch_droite = ch.slice(2);
        obj.value = ch_gauche + "/" + ch_droite;
    }
    if (((ch.slice(5, 6)) != ("/")) && (ch.length >= 6)) {
        ch_gauche = ch.slice(0, 5);
        ch_droite = ch.slice(5);
        obj.value = ch_gauche + "/" + ch_droite;
    }
    return;
}

function masqueSaisieHeure(obj) {
    var ch;
    var ch_gauche, ch_droite;

    ch = obj.value;
    ch.toString();

    if (((ch.slice(2, 3)) != (":")) && (ch.length >= 3)) {
        ch_gauche = ch.slice(0, 2);
        ch_droite = ch.slice(2);
        obj.value = ch_gauche + ":" + ch_droite;
    }
    return;
}