var ceny = [[0,36.4],[-1,37.9],[-2,36.5],[-3,36.4]];

var litry = [[0,40.38],[-1,35.62],[-2,39.73],[-3,40.12]];

var tdatumy = {0:['17.05.2013'],1:['14.05.2013'],2:['10.05.2013'],3:['04.05.2013']};