protected function _createSubNames( $client )
	{
		$names = explode( '/', $client );

		foreach( $names as $key => $subname )
		{
			if( empty( $subname ) || ctype_alnum( $subname ) === false ) {
				throw new Client_Html_Exception( sprintf( 'Invalid characters in client name "%1$s"', $client ) );
			}

			$names[$key] = ucfirst( $subname );
		}

		return implode( '_', $names );
	}