var ceny = [[0,38.2],[-1,37.4],[-2,38.2],[-3,38]];

var litry = [[0,27.16],[-1,23.45],[-2,33.98],[-3,26.92]];

var tdatumy = {0:['26.06.2023'],1:['22.05.2023'],2:['17.04.2023'],3:['03.03.2023']};