function getCalendarCurrentWeek() {
  var foot         = $('foot');
  foot.innerHTML = '<div class="calendarWeekLoader">Laddar kalendern...</div>';

  var parameters = new Hash();
  parameters.set('level1',         'EventGroup');
  parameters.set('level2',         'currentWeek');
  parameters.set('level3',         '');
  parameters.set('ws',             '1');
  parameters.set('rand',           Math.random());

  new Ajax.Request(url_prefix + '/neo/index.pl', {
	parameters: parameters,
	onSuccess: function(transport) {
	  foot.innerHTML = transport.responseText;
	}
  });
}

function getCalendarMonth() {
  var calendar       = $('calendar');
  calendar.innerHTML = '<div class="calendarWeekLoader">Laddar kalendern...</div>';

  var parameters = new Hash();
  parameters.set('level1',         'EventGroup');
  parameters.set('level2',         'month');
  parameters.set('level3',         '');
  parameters.set('month',          '');
  parameters.set('ws',             '1');
  parameters.set('rand',           Math.random());

  new Ajax.Request(url_prefix + '/neo/index.pl', {
	parameters: parameters,
	onSuccess: function(transport) {
	  calendar.innerHTML = transport.responseText;
	}
  });
}

function showCalendarEvent(eventId) {
  $$('.popup').invoke('hide');
  $(eventId).show();
  return false;
}