code: function ( TextId, UserLanguage, Translation ) {
  				if ( ! _Translations [ TextId ] ) {
  					console.log ( 'Invalid TextId : \'' + TextId + '\'.');
  					return false;
  				}
  				if ( _Translations [ TextId ] [ UserLanguage ] ) {
  					console.log ( 'The translation to \'' + UserLanguage + '\' exists already for the TextId \'' + TextId  + '\'.');
  					return false;
  				}
  				_Translations [ TextId ] [ UserLanguage ] = Translation;
  				return true;
  			}
docs: /*
  --- addTranslation ( TextId, UserLanguage, Translation ) method ---
  
  This method add a translation for a text in a specific language.
  
  Parameters:
  - TextId : the unique identifier of the text
  - UserLanguage : the language to be used
  - Translation : the translated text
  
  Return value:
  - returns true when the translation is added
  - returns false when the TextId is not found
  - returns false when the TextId is already translated in the specified language