var ceny = [[0,30.9],[-1,30],[-2,29.3],[-3,27.9]];

var litry = [[0,40],[-1,40],[-2,39],[-3,41.5]];

var tdatumy = {0:['12.11.2017'],1:['21.09.2017'],2:['02.09.2017'],3:['22.08.2017']};