var locations = [ ['Berlin', 52.52000660, 13.40495400, 'Berlin'],['Hannover', 52.37589160, 9.73201040, 'Hannover'],['Kassel', 51.31271140, 9.47974610, 'Kassel'],['München', 48.13512530, 11.58198050, 'München'],['Oberhausen', 51.49633410, 6.86377650, 'Oberhausen'],['Stuttgart', 48.77584590, 9.18293210, 'Stuttgart'],['Würzburg', 49.79130440, 9.95335480, 'Würzburg'],];