__currentDateString = null;

function ShowNotes(dateString) {
    if (__currentDateString != dateString) {
        cbCallback.PerformCallback(dateString);
        __currentDateString = dateString;
    }
}
function OnCallbackComplete(s, e) {
    var currentDateString = __currentDateString;
    pcNotePopup.Hide();
    __currentDateString = currentDateString;
    if (!e.result)
        return;
    var separatorIndex = e.result.indexOf(';');
    var headerText = e.result.substr(0, separatorIndex);
    var contentText = e.result.substring(separatorIndex + 1, e.result.length);
    pcNotePopup.SetHeaderText(headerText);
    pcNotePopup.SetContentHTML(contentText);
    pcNotePopup.Show();
}