function countSelected(name) {
  select = $(name);
  selcounter = $(name + '-selcounter');

  cnt = 0;
  for (i = 0; i < select.options.length; i++) {
    if (select.options[i].selected) {
      cnt++;
    }
  }

  selcounter.getElementsBySelector('span')[0].innerHTML = cnt;
  selcounter.style.display = cnt ? 'block' : 'none';
}