function loader_loading() {
  var main_div = document.getElementById("loginpanel");
  main_div.innerHTML = '<div style="text-align:center;padding-top:45px;height:31px;"><img src="/media/bigloader.gif" height="31" alt="loader"/></div>';
}

function sure() {
  Element.show('sure');
}

function unsure() {
  Element.hide('sure');
}