var ceny = [[0,34.91],[-1,34.9],[-2,33.5],[-3,33.9]];

var litry = [[0,35.61],[-1,36.36],[-2,35.5],[-3,35.64]];

var tdatumy = {0:['31.07.2013'],1:['26.06.2013'],2:['22.05.2013'],3:['19.04.2013']};