Swiss electronic advertising group Goldbach Media Gruppe is acquiring a 70 percent stake in Balkan online ad sales house AD Projekti, targeting growth in the region. Projekti, which Goldbach said got the equivalent of 2.7 million Swiss Francs in revenue in 2007, owns half of Zagreb, Croatia-based AdOn Internet and all of Ljubljana, Slovenia-based I Media, each of which will be integrated in to the Europe-wide AdLink ad network, which Goldbach operates in Austria and which owns the Sedo domain parking service. Announcement.