var ceny = [[0,35.4],[-1,35.4],[-2,35.3],[-3,34.9]];

var litry = [[0,31.7],[-1,29.57],[-2,32.74],[-3,32.44]];

var tdatumy = {0:['01.02.2012'],1:['20.01.2012'],2:['30.12.2011'],3:['15.12.2011']};