code: function(id, select, period) {
  		var target = $(id);
  		var inst = this._getInst(target[0]);
  		inst['selected' + (period == 'M' ? 'Month' : 'Year')] =
  		inst['draw' + (period == 'M' ? 'Month' : 'Year')] =
  			parseInt(select.options[select.selectedIndex].value,10);
  		this._notifyChange(inst);
  		this._adjustDate(target);
  	}
docs: /* Action for selecting a new month/year.