var locations = [ ['Frankfurt', 50.11092210, 8.68212670, 'Frankfurt'],['Hamburg', 53.55108460, 9.99368190, 'Hamburg'],['Hannover', 52.37589160, 9.73201040, 'Hannover'],['Kempen am Niederrhein', 51.36788440, 6.42521700, 'Kempen am Niederrhein'],['Kempen', 51.36499420, 6.42053090, 'Kempen'],['München', 48.13512530, 11.58198050, 'München'],];