var ceny = [[0,31.7],[-1,31.7],[-2,31.5],[-3,31.2]];

var litry = [[0,42.1],[-1,45.51],[-2,46.08],[-3,43.72]];

var tdatumy = {0:['07.04.2008'],1:['21.03.2008'],2:['28.02.2008'],3:['12.02.2008']};