var ceny = [[0,29.9],[-1,26.7],[-2,28.9],[-3,28.5]];

var litry = [[0,34.1],[-1,26.8],[-2,27.7],[-3,20]];

var tdatumy = {0:['21.04.2010'],1:['04.04.2010'],2:['01.04.2010'],3:['21.03.2010']};