var ceny = [[0,34.7],[-1,36.1],[-2,36.5],[-3,33.8]];

var litry = [[0,36.89],[-1,37.7],[-2,30.69],[-3,34.32]];

var tdatumy = {0:['25.04.2013'],1:['14.03.2013'],2:['01.02.2013'],3:['27.12.2012']};