function showHint(strText, objField) {
    if (objField.value != strText && objField.value.length == 0)
        objField.value = strText;
}

function hideHint(strText, objField) {
    if (objField.value == strText)
        objField.value = '';
}

function generateEmail(email, domain) {
    document.write('<a href="mailto:' + email + '@' + domain + '">' + email + '@' + domain + '</a>');
}