var ceny = [[0,27.2],[-1,27.4],[-2,28.8],[-3,29.5]];

var litry = [[0,36.6],[-1,36.5],[-2,39.1],[-3,36.1]];

var tdatumy = {0:['07.02.2015'],1:['26.01.2015'],2:['15.01.2015'],3:['15.12.2014']};