FRANKFURT (AFX) - Global airline group the Star Alliance said Slovenian national airline Adria Airways and Croatian national airline Croatia Airlines have joined the alliance. Deutsche Lufthansa AG will play a supporting role in helping the two airlines to integrate into the alliance, Star Alliance said. Other Star Alliance members are Air Canada, Air New Zealand, All Nippon Airways, Asiana Airlines, Austrian Airlines Group, bmi, LOT Polish Airlines, Mexicana Airlines, SAS Scandinavian Airlines, Singapore Airlines, Spanair, Thai Airways, International, UAL Corp's United Airlines and Varig Brazilian Airlines. mb/jsa