var d=document;

function v_show_txt(id, txt) {
    if (!d.getElementById) return;

    var t = document.getElementById(id);
    t.style.display = "block";
    t.innerHTML = txt;
}

function v_show_img(id, ref) {
    if (!d.getElementById) return;

    var i = document.getElementById(id);
    i.style.display = "block";
    i.src = ref;
}