var locations = [ ['Berlin', 52.52000660, 13.40495400, 'Berlin'],['Frankfurt', 50.11092210, 8.68212670, 'Frankfurt'],['Halle (Saale)', 51.49698020, 11.96880290, 'Halle (Saale)'],['Hamburg', 53.55108460, 9.99368190, 'Hamburg'],['Hannover', 52.37589160, 9.73201040, 'Hannover'],['Kempen am Niederrhein', 51.36788440, 6.42521700, 'Kempen am Niederrhein'],['Köln', 50.93753100, 6.96027860, 'Köln'],['München', 48.13512530, 11.58198050, 'München'],['Oberhausen', 51.49633410, 6.86377650, 'Oberhausen'],['Stuttgart', 48.77584590, 9.18293210, 'Stuttgart'],['Ulm', 32.53098070, -92.06873100, 'Ulm'],];