function MM_popupMsg(msg) { //v1.0
  alert(msg);
}

function setFocus()
{
    if (document.imp_login.imapuser.value == "") {
        document.imp_login.imapuser.focus();
     } else {
        document.imp_login.pass.focus();
    }
}

function submit_login(e)
{
    if (typeof e != 'undefined' && !enter_key_trap(e)) {
        return;
    }

    if (document.imp_login.imapuser.value == "") {
        alert('Please provide your username.');
        document.imp_login.imapuser.focus();
        return false;
    } else if (document.imp_login.pass.value == "") {
        alert('Please provide your password.');
        document.imp_login.pass.focus();
        return false;
    } else {
        document.imp_login.loginButton.disabled = true;
        document.imp_login.submit();
        return true;
    }
}

function updatePort()
{
}

function selectLang()
{
    // We need to reload the login page here, but only if the user hasn't
    // already entered a username and password.
    if (document.imp_login.imapuser.value == '' &&
        document.imp_login.pass.value == '') {
        var lang_page = 'login.php?new_lang=' + document.imp_login.new_lang[document.imp_login.new_lang.selectedIndex].value;
        self.location = lang_page;
    }
}

if (parent.frames.horde_main) {
    document.imp_login.target = '_parent';
}

// Set up the enter keytrap code.
if (typeof document.captureEvents != 'undefined') {
    document.captureEvents(Event.KEYPRESS);
    document.onkeypress = submit_login;
}