var valEch1 = "j";
var valEch2 = "h";
var nbrEch1 = 1;
var nbrEch2 = ["3","4"];
var ech = [[2009,11,3,13,"00","031200"],[2009,11,3,7,"00","030600"],
[2009,11,3,1,"00","030000"],[2009,11,2,19,"00","021800"],[2009,11,2,13,"00","021200"],[2009,11,2,7,"00","020600"],[2009,11,2,1,"00","020000"],[2009,11,1,19,"00","011800"],[2009,11,1,13,"00","011200"]];