function highlightTab(prefix, n)
{
  try
  {
    var id = prefix + new String(n);
    document.getElementById(id).className = 'selected';

    for(i=0; i<5; i++)
    {
      var mid = prefix + new String(i);
      var midEl = document.getElementById(mid);
      var el = document.getElementById(id);

      if (el && i != n && midEl)
      {
        midEl.className = '';
      }
    }
  }
  catch (e)
  {
    alert('Errore in /js/minisite.js - highlightTab(): ' + e);
  }
}