function photoChange(img) {
    document.getElementById('dw-photo').src = img;
}

function displayCarte(img, height, width) {
    window.open(img, 'Carte', config="height="+height+", width="+width+", toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, directories=no, status=no");
}

function heurelivTest() {
    i = document.getElementById('typeliv').selectedIndex;
    switch(i) {
        case 0:
        case 1:
            document.getElementById('heureliv').disabled = true;
            document.getElementById('minliv').disabled = true;
            break;
        case 2:
            document.getElementById('heureliv').disabled = false;
            document.getElementById('minliv').disabled = false;
            break;
    }
}