var ceny = [[0,31.4],[-1,33.3],[-2,35.2],[-3,35.6]];

var litry = [[0,50.97],[-1,51.05],[-2,51.14],[-3,49.73]];

var tdatumy = {0:['13.12.2014'],1:['16.11.2014'],2:['10.10.2014'],3:['03.09.2014']};