public function getStateAbbrv($state= '')
	{
		return $this->getStateField($state, 'abbrv');
	}

	public function getStateField($state= '', $field= 'id')
	{

		if ($criteria= $this->setStateCriteria($state))
		{
			$obj= $this->modx->getObject('State', $criteria);
		}
		return ($obj) ? $obj->get($field) : false;
	}