<!--

function disabledClickHandler(evt) {
    return false;
}

function disableBtn(btnId) {

    document.body.style.cursor='wait';
    var btn = document.getElementById(btnId);
    btn.disabled = true;
    btn.onclick=disabledClickHandler;
}

function enabledClickHandler(evt) {
    return true;
}

function enableBtn(btnId) {

    document.body.style.cursor='default';
    var btn = document.getElementById(btnId);
    btn.disabled = false;
    btn.onclick=enabledClickHandler;

}

// -->