var ceny = [[0,30.8],[-1,27.9],[-2,29.9],[-3,29]];

var litry = [[0,26.34],[-1,20.61],[-2,17.96],[-3,52]];

var tdatumy = {0:['31.03.2017'],1:['30.03.2017'],2:['30.03.2017'],3:['25.03.2017']};