var ceny = [[0,31.9],[-1,33.5],[-2,32.9],[-3,31.9]];

var litry = [[0,37.61],[-1,47.76],[-2,42.56],[-3,45.44]];

var tdatumy = {0:['28.07.2018'],1:['08.07.2018'],2:['24.06.2018'],3:['22.05.2018']};