function showMonths( year )
{
  var months = document.getElementById('calendar-months');
  months.innerHTML = '';
  months.appendChild(document.createElement('option'));
  months.options[0].appendChild(document.createTextNode('Все месяцы'));

  if ( year != "0" )
  {
    months.options[0].value = '?from-date=1/1/' + year + '&to-date=31/12/' + year;
    months.disabled = false;

    for ( i = 1; i <= 12; i++ )
    {
      if( calendar[year][i] )
      {
        months.appendChild(document.createElement('option'));
        months.options[months.lastChild.index].value = '?from-date=1/' + i + '/' + year + '&to-date=31/' + i + '/' + year;
		if(parseInt(i) == currMonth) months.options[months.lastChild.index].selected = true;
        months.options[months.lastChild.index].appendChild(document.createTextNode(calendar[year][i]));
      }
    }
  }
  else
  {
    months.options[0].value = '';
    months.disabled = true;
  }
}