function gets(messageId, message, caller = "") {
    // A Series - application logical messages
    // E Series - exception errors/warnings

    var txtStrings = {
        "A1001": "OKAY! your message is successfully submitted, please note down the request ID: ",
        "A1002": "OOPS! your message is not successfully registered, please retry!",
        "A1003": "OOPS! your data seems not valid, please check and retry!",
        "A1004": "OKAY! your registration is successfully submitted, please note down the request ID: ",
        "A1005": "OOPS! your registration is not successfully registered, please retry!",
        "A1006": "UH-OH! live registration already exists for this registrant!",
        "E9999": "OOPS! EXCEPTION OCCURRED<br><br>Function: " + caller + "<br>Message: " + message
    };

    stringValue = eval("txtStrings." + messageId);
    if (typeof(stringValue) == "undefined") stringValue = messageId + ": Unknown error!";

    if (messageId == "E9999") removeLoader();

    return (stringValue.search("UH-OH!") != -1 || stringValue.search("OOPS!") != -1 ? "[" + messageId.trim() + "] " : "") + stringValue;
}