function SwitchSlyab()
{
    if (document.getElementById('slyab_state').value == 1) {
        document.getElementById('slyab_link').innerHTML = "Показать фото камня";
        document.getElementById('slyab_img').src = "picture_sl.php?" + document.getElementById('slyab_code').value;
        document.getElementById('slyab_state').value = 2;
    } else {
        document.getElementById('slyab_link').innerHTML = "Показать фото сляба";
        document.getElementById('slyab_img').src = "picture.php?" + document.getElementById('slyab_code').value;
        document.getElementById('slyab_state').value = 1;
    }
}