function ValidatorUpdateDisplay(val) {
    if (typeof(val.display) == "string") {    
        if (val.display == "None") {
            return;
        }
        if (val.display == "Dynamic") {
            val.style.display = val.isvalid ? "none" : "inline";
            return;
        }
    }
    val.style.visibility = val.isvalid ? "hidden" : "visible";
    val.style.display = val.isvalid ? "NONE" : "";
}