function _set(poll_id, id) {
  var poll_list = document.getElementById('poll-list-' + poll_id);
  if (!poll_list || !poll_list.childNodes) return;
  var poll_value = document.getElementById('poll-value-' + poll_id);
  if (poll_value) poll_value.value = id;
  for (i = 0; i < poll_list.childNodes.length; i++) {
    if (poll_list.childNodes[i].nodeName.toLowerCase() == 'li')
      poll_list.childNodes[i].className = poll_list.childNodes[i].id == 'li-' + poll_id + '-' + id ? 'a' : '';
  }
}

function post_poll_form(poll_id) {
  var value = document.getElementById('poll-value-' + poll_id);
  if (value && value.value != '')
    post_form('poll-form-' + poll_id, 'poll-mode-' + poll_id, 'go');
  else alert('Выберите один из вариантов!');
}