function chkEmailMessage() {
    if (!validEmail(document.emailform.email.value)) {
        alert(EnoEmail);
        document.emailform.email.focus();
        return false;
    } else if (document.emailform.subject.value == "") {
        alert(EnoSubject);
        document.emailform.subject.focus();
        return false;
    } else if (document.emailform.message.value == "") {
        alert(EnoMessage);
        document.emailform.message.focus();
        return false;
    } else {
        return true;
    }
}