var ceny = [[0,36.4],[-1,36.4],[-2,35.9],[-3,36.5]];

var litry = [[0,25.99],[-1,33.77],[-2,30.23],[-3,36.81]];

var tdatumy = {0:['21.03.2013'],1:['08.03.2013'],2:['17.02.2013'],3:['07.02.2013']};