/* ------------------------------------------------------------------ */
public static DocumentHelper blankDocument( XMultiServiceFactory orb, DocumentType eType ) throws com.sun.star.uno.Exception
{
XComponent document = implCreateBlankDocument( orb, getDocumentFactoryURL( eType ) );
if ( eType == DocumentType.CALC )
return new SpreadsheetDocument( orb, document );
return new DocumentHelper( orb, document );
}