var ceny = [[0,31.7],[-1,28.6],[-2,28.5],[-3,29.5]];

var litry = [[0,47.33],[-1,54.2],[-2,59],[-3,53.39]];

var tdatumy = {0:['27.04.2010'],1:['30.03.2010'],2:['25.02.2010'],3:['29.01.2010']};