function ValidatorUpdateDisplay(val) {
    if (typeof(val.display) == "string") {
        if (val.display == "None") {
            return;
        }
        if (val.display == "Dynamic") {
            val.style.display = val.isvalid ? "none" : "";
            return;
        }
    }
    if ((navigator.userAgent.indexOf("Mac") > -1) &&
        (navigator.userAgent.indexOf("MSIE") > -1)) {
        val.style.display = "inline";
    }
    val.style.visibility = val.isvalid ? "hidden" : "visible";
}

function WebForm_FireDefaultButton(event, target) {
 if (event.keyCode == 13) {
 var src = event.srcElement || event.target;
 if (!src || (src.tagName.toLowerCase() != "textarea")) {
 var defaultButton;
 if (__nonMSDOMBrowser) {
 defaultButton = document.getElementById(target);
 }
 else {
 defaultButton = document.all[target];
 }
 if (defaultButton && typeof(defaultButton.click) != "undefined") {
 defaultButton.click();
 event.cancelBubble = true;
 if (event.stopPropagation) event.stopPropagation();
 return false;
 }
 }
 }
 return true;
}