protected function getValues( $value, $fill = 0 )
	{
		$values	= array();
		if( substr_count( $value, "-" ) )
		{
			$parts	= explode( "-", $value );
			$min	= trim( min( $parts ) );
			$max	= trim( max( $parts ) );
			for( $i=$min; $i<=$max; $i++ )
				$values[] = $this->fill( $i, $fill );
		}
		else if( substr_count( $value, "," ) )
		{
			$parts	= explode( ",", $value );
			foreach( $parts as $part )
				$values[]	= $this->fill( $part, $fill );
		}
		else $values[]	= $this->fill( $value, $fill );
		return $values;
	}