Hi Konstantin, this problem is solved. I added the script section dynamically.
var script = document.createElement('script');
script.onload = function () {
kendo.ui.progress($("#grid"), true);
kendo.ui.progress($("#grid"), false);
CreateGrid();
};
script.src = "../scripts/KendoLanguages/kendo.messages." + locale + ".min.js";
if(document.head){
document.head.appendChild(script);
}