interface ERC165 {

	  /**
	   * @notice Query if a contract implements an interface
	   * @param _interfaceId The interface identifier, as specified in ERC-165
	   * @dev Interface identification is specified in ERC-165. This function
	   * uses less than 30,000 gas.
	   */
	  function supportsInterface(bytes4 _interfaceId)
		external
		view
		returns (bool);
	}
/**
 	 * @title ERC165
 	 * @dev https://github.com/ethereum/EIPs/blob/master/EIPS/eip-165.md
 	 */
function supportsInterface(bytes4 _interfaceId)
xternal
iew
eturns (bool);

/**
 	   * @notice Query if a contract implements an interface
 	   * @param _interfaceId The interface identifier, as specified in ERC-165
 	   * @dev Interface identification is specified in ERC-165. This function
 	   * uses less than 30,000 gas.
 	   */