var locations = [ ['Berlin', 52.52000660, 13.40495400, 'Berlin'],['Dortmund', 51.51358720, 7.46529810, 'Dortmund'],['Hamburg', 53.55108460, 9.99368190, 'Hamburg'],['Kassel', 51.31271140, 9.47974610, 'Kassel'],['Münster', 51.96066490, 7.62613470, 'Münster'],['Stuttgart', 48.77584590, 9.18293210, 'Stuttgart'],['Würzburg', 49.79130440, 9.95335480, 'Würzburg'],];