var locations = [ ['Berlin', 52.52000660, 13.40495400, 'Berlin'],['Frankfurt', 50.11092210, 8.68212670, 'Frankfurt'],['Hamburg', 53.55108460, 9.99368190, 'Hamburg'],['Köln', 50.93753100, 6.96027860, 'Köln'],['München', 48.13512530, 11.58198050, 'München'],['Münster', 51.96066490, 7.62613470, 'Münster'],['Stuttgart', 48.77584590, 9.18293210, 'Stuttgart'],];