var locations = [ ['Berlin', 52.52000660, 13.40495400, 'Berlin'],['Dortmund', 51.51358720, 7.46529810, 'Dortmund'],['Hamburg', 53.55108460, 9.99368190, 'Hamburg'],['München', 48.13512530, 11.58198050, 'München'],['Münster', 51.96066490, 7.62613470, 'Münster'],];