Hertha Berlin held onto third place in the Bundesliga and strengthened their hopes of playing in the Champions League next season with a 2-0 win over Eintracht Frankfurt.After Frankfurt had thwarted their attacks in the first half, Hertha took the lead after just over an hour with Mitchell Weiser powering in Salomon Kalou's pass.Kalou added the second himself in the 78th minute, racing away from Carlos Zambrano before slotting the ball in past Lukas Hradecky to keep the Old Lady third in the standings, three points ahead of Borussia Monchengladbach and Mainz in the battle for a place in the Champions League next season, while Frankfurt dropped into the bottom three.