Added OpenDocument MIME types and extensions; make sql_report page show total time taken for SQL queries
<?php
/*
Plugin Name: User control panel
Plugin URI: http://enanocms.org/
Description: Provides the page Special:Preferences.
Author: Dan Fuhry
Version: 1.0.2
Author URI: http://enanocms.org/
*/
/*
* Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
* Version 1.0.2
* Copyright (C) 2006-2007 Dan Fuhry
*
* This program is Free Software; you can redistribute it and/or modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
*/
$userprefs_menu = Array();
$userprefs_menu_links = Array();
function userprefs_menu_add($section, $text, $link)
{
global $userprefs_menu;
if ( isset($userprefs_menu[$section]) && is_array($userprefs_menu[$section]) )
{
$userprefs_menu[$section][] = Array(
'text' => $text,
'link' => $link
);
}
else
{
$userprefs_menu[$section] = Array(Array(
'text' => $text,
'link' => $link
));
}
}
$plugins->attachHook('compile_template', 'userprefs_jbox_setup($button, $tb, $menubtn);');
function userprefs_jbox_setup(&$button, &$tb, &$menubtn)
{
global $db, $session, $paths, $template, $plugins; // Common objects
if ( $paths->namespace != 'Special' || $paths->cpage['urlname_nons'] != 'Preferences' )
return false;
$tb .= "<ul>$template->toolbar_menu</ul>";
$template->toolbar_menu = '';
$button->assign_vars(array(
'TEXT' => 'list of registered members',
'FLAGS' => '',
'PARENTFLAGS' => '',
'HREF' => makeUrlNS('Special', 'Memberlist')
));
$tb .= $button->run();
}
function userprefs_menu_html()
{
global $userprefs_menu;
global $userprefs_menu_links;
$html = '';
$quot = '"';
foreach ( $userprefs_menu as $section => $buttons )
{
$html .= ( isset($userprefs_menu_links[$section]) ) ? "<a href={$quot}{$userprefs_menu_links[$section]}{$quot}>{$section}</a>\n " : "<a>{$section}</a>\n ";
$html .= "<ul>\n ";
foreach ( $buttons as $button )
{
$html .= " <li><a href={$quot}{$button['link']}{$quot}>{$button['text']}</a></li>\n ";
}
$html .= "</ul>\n ";
}
return $html;
}
function userprefs_show_menu()
{
echo '<div class="menu_nojs">
' . userprefs_menu_html() . '
<span class="menuclear"></span>
</div>
<br />
';
}
function userprefs_menu_init()
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $userprefs_menu_links;
userprefs_menu_add('Profile/membership', 'Edit e-mail address and password', makeUrlNS('Special', 'Preferences/EmailPassword') . '" onclick="ajaxLoginNavTo(\'Special\', \'Preferences/EmailPassword\', '.USER_LEVEL_CHPREF.'); return false;');
userprefs_menu_add('Profile/membership', 'Edit signature', makeUrlNS('Special', 'Preferences/Signature'));
userprefs_menu_add('Profile/membership', 'Edit public profile', makeUrlNS('Special', 'Preferences/Profile'));
userprefs_menu_add('Private messages', 'Inbox', makeUrlNS('Special', 'PrivateMessages/Folder/Inbox'));
userprefs_menu_add('Private messages', 'Outbox', makeUrlNS('Special', 'PrivateMessages/Folder/Outbox'));
userprefs_menu_add('Private messages', 'Sent items', makeUrlNS('Special', 'PrivateMessages/Folder/Sent'));
userprefs_menu_add('Private messages', 'Drafts', makeUrlNS('Special', 'PrivateMessages/Folder/Drafts'));
userprefs_menu_add('Private messages', 'Archive', makeUrlNS('Special', 'PrivateMessages/Folder/Archive'));
$userprefs_menu_links['Profile/membership'] = makeUrlNS('Special', 'Preferences');
$userprefs_menu_links['Private messages'] = makeUrlNS('Special', 'PrivateMessages');
$code = $plugins->setHook('userprefs_jbox');
foreach ( $code as $cmd )
{
eval($cmd);
}
}
$plugins->attachHook('session_started', 'userprefs_menu_init();');
function page_Special_Preferences()
{
global $db, $session, $paths, $template, $plugins; // Common objects
// We need a login to continue
if ( !$session->user_logged_in )
redirect(makeUrlNS('Special', 'Login/' . $paths->page), 'Login required', 'You need to be logged in to access this page. Please wait while you are redirected to the login page.');
// User ID - later this will be specified on the URL, but hardcoded for now
$uid = intval($session->user_id);
// Instanciate the AES encryptor
$aes = AESCrypt::singleton(AES_BITS, AES_BLOCKSIZE);
// Basic user info
$q = $db->sql_query('SELECT username, password, email, real_name, signature, theme, style FROM '.table_prefix.'users WHERE user_id='.$uid.';');
if ( !$q )
$db->_die();
$row = $db->fetchrow();
$db->free_result();
$section = $paths->getParam(0);
if ( !$section )
{
$section = 'Home';
}
$errors = '';
switch ( $section )
{
case 'EmailPassword':
// Require elevated privileges (well sortof)
if ( $session->auth_level < USER_LEVEL_CHPREF )
{
redirect(makeUrlNS('Special', 'Login/' . $paths->fullpage, 'level=' . USER_LEVEL_CHPREF, true), 'Authentication required', 'You need to re-authenticate to access this page.', 0);
}
if ( isset($_POST['submit']) )
{
$email_changed = false;
// First do the e-mail address
if ( strlen($_POST['newemail']) > 0 )
{
switch('foo') // Same reason as in the password code...
{
case 'foo':
if ( $_POST['newemail'] != $_POST['newemail_conf'] )
{
$errors .= '<div class="error-box">The e-mail addresses you entered did not match.</div>';
break;
}
}
$q = $db->sql_query('SELECT password FROM '.table_prefix.'users WHERE user_id='.$session->user_id.';');
if ( !$q )
$db->_die();
$row = $db->fetchrow();
$db->free_result();
$old_pass = $aes->decrypt($row['password'], $session->private_key, ENC_HEX);
$new_email = $_POST['newemail'];
$result = $session->update_user($session->user_id, false, $old_pass, false, $new_email);
if ( $result != 'success' )
{
$message = '<p>The following errors were encountered while saving your e-mail address:</p>';
$message .= '<ul><li>' . implode("</li>\n<li>", $result) . '</li></ul>';
die_friendly('Error updating e-mail address', $message);
}
$email_changed = true;
}
// Obtain password
if ( $_POST['use_crypt'] == 'yes' && !empty($_POST['crypt_data']) )
{
$key = $session->fetch_public_key($_POST['crypt_key']);
if ( !$key )
die('Can\'t lookup key');
$key = hexdecode($key);
$newpass = $aes->decrypt($_POST['crypt_data'], $key, ENC_HEX);
// At this point we know if we _want_ to change the password...
// We can't check the password to see if it matches the confirmation
// because the confirmation was destroyed during the encryption. I figured
// this wasn't a big deal because if the encryption worked, then either
// the Javascript validated it or the user hacked the form. In the latter
// case, if he's smart enough to hack the encryption code, he's probably
// smart enough to remember his password.
if ( strlen($newpass) > 0 )
{
if ( defined('ENANO_DEMO_MODE') )
$errors .= '<div class="error-box" style="margin: 0 0 10px 0;">You can\'t change your password in demo mode.</div>';
// Perform checks
if ( strlen($newpass) < 6 )
$errors .= '<div class="error-box" style="margin: 0 0 10px 0;">Password must be at least 6 characters. You hacked my script, darn you!</div>';
if ( getConfig('pw_strength_enable') == '1' )
{
$score_inp = password_score($newpass);
$score_min = intval( getConfig('pw_strength_minimum') );
if ( $score_inp < $score_min )
$errors .= '<div class="error-box" style="margin: 0 0 10px 0;">Your password did not meet the complexity score requirement for this site. Your password scored '. $score_inp .', while a score of at least '. $score_min .' is needed.</div>';
}
// Encrypt new password
if ( empty($errors) )
{
$newpass_enc = $aes->encrypt($newpass, $session->private_key, ENC_HEX);
// Perform the swap
$q = $db->sql_query('UPDATE '.table_prefix.'users SET password=\'' . $newpass_enc . '\' WHERE user_id=' . $session->user_id . ';');
if ( !$q )
$db->_die();
// Log out and back in
$username = $session->username;
$session->logout();
if ( $email_changed )
{
if ( getConfig('account_activation') == 'user' )
{
redirect(makeUrl(getConfig('main_page')), 'Profile changed', 'Your password and e-mail address have been changed. Since e-mail activation is required on this site, you will need to re-activate your account to continue. An e-mail has been sent to the new e-mail address with an activation link. You must click that link in order to log in again.', 19);
}
else if ( getConfig('account_activation') == 'admin' )
{
redirect(makeUrl(getConfig('main_page')), 'Profile changed', 'Your password and e-mail address have been changed. Since administrative activation is requires on this site, a request has been sent to the administrators to activate your account for you. You will not be able to use your account until it is activated by an administrator.', 19);
}
}
$session->login_without_crypto($session->username, $newpass);
redirect(makeUrlNS('Special', 'Preferences'), 'Password changed', 'Your password has been changed, and you will now be redirected back to the user control panel.', 4);
}
}
}
else
{
switch('foo') // allow breaking out of our section...i can't wait until PHP6 (goto support!)
{
case 'foo':
$pass = $_POST['newpass'];
if ( $pass != $_POST['newpass_conf'] )
{
$errors .= '<div class="error-box">The passwords you entered did not match</div>';
break;
}
if ( $email_changed )
{
if ( getConfig('account_activation') == 'user' )
{
redirect(makeUrl(getConfig('main_page')), 'Profile changed', 'Your e-mail address has been changed. Since e-mail activation is required on this site, you will need to re-activate your account to continue. An e-mail has been sent to the new e-mail address with an activation link. You must click that link in order to log in again.', 19);
}
else if ( getConfig('account_activation') == 'admin' )
{
redirect(makeUrl(getConfig('main_page')), 'Profile changed', 'Your e-mail address has been changed. Since administrative activation is requires on this site, a request has been sent to the administrators to activate your account for you. You will not be able to use your account until it is activated by an administrator.', 19);
}
else
{
redirect(makeUrlNS('Special', 'Preferences'), 'Password changed', 'Your e-mail address has been changed, and you will now be redirected back to the user control panel.', 4);
}
}
return;
}
}
}
$template->tpl_strings['PAGE_NAME'] = 'Change E-mail Address or Password';
break;
case 'Signature':
$template->tpl_strings['PAGE_NAME'] = 'Editing signature';
break;
case 'Profile':
$template->tpl_strings['PAGE_NAME'] = 'Editing public profile';
break;
}
$template->header();
// Output the menu
// This is not templatized because it conforms to the jBox menu standard.
userprefs_show_menu();
switch ( $section )
{
case 'Home':
global $email;
$userpage_id = $paths->nslist['User'] . sanitize_page_id($session->username);
$userpage_exists = ( isPage($userpage_id) ) ? '' : ' class="wikilink-nonexistent"';
$user_page = '<a href="' . makeUrlNS('User', sanitize_page_id($session->username)) . '"' . $userpage_exists . '>user page</a> <sup>(<a href="' . makeUrlNS('User', str_replace(' ', '_', $session->username)) . '#do:comments">comments</a>)</sup>';
$site_admin = $email->encryptEmail(getConfig('contact_email'), '', '', 'administrator');
$make_one_now = '<a href="' . makeUrlNS('User', sanitize_page_id($session->username)) . '">make one now</a>';
echo "<h3 style='margin-top: 0;'>$session->username, welcome to your control panel</h3>";
echo "<p>Here you can make changes to your profile, view statistics on yourself on this site, and set your preferences.</p>
<p>Your $user_page is your free writing space. You can use it to tell the other members of this site a little bit about yourself. If you haven't already made a user page, why not $make_one_now?</p>
<p>Use the menu at the top to navigate around. If you have any questions, you may contact the $site_admin.";
break;
case 'EmailPassword':
$errors = trim($errors);
if ( !empty($errors) )
{
echo $errors;
}
echo '<form action="' . makeUrlNS('Special', 'Preferences/EmailPassword') . '" method="post" onsubmit="return runEncryption();" name="empwform" >';
// Password change form
$pubkey = $session->rijndael_genkey();
echo '<fieldset>
<legend>Change password</legend>
Type a new password:<br />
<input type="password" name="newpass" size="30" tabindex="1" ' . ( getConfig('pw_strength_enable') == '1' ? 'onkeyup="password_score_field(this);" ' : '' ) . '/>' . ( getConfig('pw_strength_enable') == '1' ? '<span class="password-checker" style="font-weight: bold; color: #aaaaaa;"> Loading...</span>' : '' ) . '
<br />
<br />
Type the password again to confirm:<br />
<input type="password" name="newpass_conf" size="30" tabindex="2" />
' . ( getConfig('pw_strength_enable') == '1' ? '<br /><br /><div id="pwmeter"></div>
<small>Your password needs to score at least <b>'.getConfig('pw_strength_minimum').'</b> in order to be accepted.</small>' : '' ) . '
</fieldset><br />
<fieldset>
<legend>Change e-mail address</legend>
New e-mail address:<br />
<input type="text" value="' . ( isset($_POST['newemail']) ? htmlspecialchars($_POST['newemail']) : '' ) . '" name="newemail" size="30" tabindex="3" />
<br />
<br />
Confirm e-mail address:<br />
<input type="text" value="' . ( isset($_POST['newemail']) ? htmlspecialchars($_POST['newemail']) : '' ) . '" name="newemail_conf" size="30" tabindex="4" />
</fieldset>
<input type="hidden" name="use_crypt" value="no" />
<input type="hidden" name="crypt_key" value="' . $pubkey . '" />
<input type="hidden" name="crypt_data" value="" />
<br />
<div style="text-align: right;"><input type="submit" name="submit" value="Save Changes" tabindex="5" /></div>';
echo '</form>';
// ENCRYPTION CODE
?>
<script type="text/javascript">
<?php if ( getConfig('pw_strength_enable') == '1' ): ?>
password_score_field(document.forms.empwform.newpass);
<?php endif; ?>
disableJSONExts();
str = '';
for(i=0;i<keySizeInBits/4;i++) str+='0';
var key = hexToByteArray(str);
var pt = hexToByteArray(str);
var ct = rijndaelEncrypt(pt, key, "ECB");
var ct = byteArrayToHex(ct);
switch(keySizeInBits)
{
case 128:
v = '66e94bd4ef8a2c3b884cfa59ca342b2e';
break;
case 192:
v = 'aae06992acbf52a3e8f4a96ec9300bd7aae06992acbf52a3e8f4a96ec9300bd7';
break;
case 256:
v = 'dc95c078a2408989ad48a21492842087dc95c078a2408989ad48a21492842087';
break;
}
var aes_testpassed = ( ct == v && md5_vm_test() );
function runEncryption()
{
var frm = document.forms.empwform;
if ( frm.newpass.value.length < 1 )
return true;
if(aes_testpassed)
{
frm.use_crypt.value = 'yes';
var cryptkey = frm.crypt_key.value;
frm.crypt_key.value = hex_md5(cryptkey);
cryptkey = hexToByteArray(cryptkey);
if(!cryptkey || ( ( typeof cryptkey == 'string' || typeof cryptkey == 'object' ) ) && cryptkey.length != keySizeInBits / 8 )
{
frm.submit.disabled = true;
len = ( typeof cryptkey == 'string' || typeof cryptkey == 'object' ) ? '\nLen: '+cryptkey.length : '';
alert('The key is messed up\nType: '+typeof(cryptkey)+len);
}
}
pass1 = frm.newpass.value;
pass2 = frm.newpass_conf.value;
if ( pass1 != pass2 )
{
alert('The passwords you entered do not match.');
return false;
}
if ( pass1.length < 6 && pass1.length > 0 )
{
alert('The new password must be 6 characters or greater in length.');
return false;
}
if(aes_testpassed)
{
pass = frm.newpass.value;
pass = stringToByteArray(pass);
cryptstring = rijndaelEncrypt(pass, cryptkey, 'ECB');
if(!cryptstring)
{
return false;
}
cryptstring = byteArrayToHex(cryptstring);
frm.crypt_data.value = cryptstring;
frm.newpass.value = "";
frm.newpass_conf.value = "";
}
return true;
}
</script>
<?php
break;
case 'Signature':
if ( isset($_POST['new_sig']) )
{
$sig = $_POST['new_sig'];
$sig = RenderMan::preprocess_text($sig, true, false);
$sql_sig = $db->escape($sig);
$q = $db->sql_query('UPDATE '.table_prefix.'users SET signature=\'' . $sql_sig . '\' WHERE user_id=' . $session->user_id . ';');
if ( !$q )
$db->_die();
$session->signature = $sig;
echo '<div class="info-box" style="margin: 0 0 10px 0;">Your signature has been saved.</div>';
}
echo '<form action="'.makeUrl($paths->fullpage).'" method="post">';
echo $template->tinymce_textarea('new_sig', htmlspecialchars($session->signature));
echo '<input type="submit" value="Save signature" />';
echo '</form>';
break;
case "Profile":
if ( isset($_POST['submit']) )
{
$real_name = htmlspecialchars($_POST['real_name']);
$real_name = $db->escape($real_name);
$imaddr_aim = htmlspecialchars($_POST['imaddr_aim']);
$imaddr_aim = $db->escape($imaddr_aim);
$imaddr_msn = htmlspecialchars($_POST['imaddr_msn']);
$imaddr_msn = $db->escape($imaddr_msn);
$imaddr_yahoo = htmlspecialchars($_POST['imaddr_yahoo']);
$imaddr_yahoo = $db->escape($imaddr_yahoo);
$imaddr_xmpp = htmlspecialchars($_POST['imaddr_xmpp']);
$imaddr_xmpp = $db->escape($imaddr_xmpp);
$homepage = htmlspecialchars($_POST['homepage']);
$homepage = $db->escape($homepage);
$location = htmlspecialchars($_POST['location']);
$location = $db->escape($location);
$occupation = htmlspecialchars($_POST['occupation']);
$occupation = $db->escape($occupation);
$hobbies = htmlspecialchars($_POST['hobbies']);
$hobbies = $db->escape($hobbies);
$email_public = ( isset($_POST['email_public']) ) ? '1' : '0';
$session->real_name = $real_name;
if ( !preg_match('/@([a-z0-9-]+)(\.([a-z0-9-\.]+))?/', $imaddr_msn) && !empty($imaddr_msn) )
{
$imaddr_msn = "$imaddr_msn@hotmail.com";
}
if ( substr($homepage, 0, 7) != 'http://' )
{
$homepage = "http://$homepage";
}
if ( !preg_match('/^http:\/\/([a-z0-9-.]+)([A-z0-9@#\$%\&:;<>,\.\?=\+\(\)\[\]_\/\\\\]*?)$/i', $homepage) )
{
$homepage = '';
}
$session->user_extra['user_aim'] = $imaddr_aim;
$session->user_extra['user_msn'] = $imaddr_msn;
$session->user_extra['user_xmpp'] = $imaddr_xmpp;
$session->user_extra['user_yahoo'] = $imaddr_yahoo;
$session->user_extra['user_homepage'] = $homepage;
$session->user_extra['user_location'] = $location;
$session->user_extra['user_job'] = $occupation;
$session->user_extra['user_hobbies'] = $hobbies;
$session->user_extra['email_public'] = intval($email_public);
$q = $db->sql_query('UPDATE '.table_prefix."users SET real_name='$real_name' WHERE user_id=$session->user_id;");
if ( !$q )
$db->_die();
$q = $db->sql_query('UPDATE '.table_prefix."users_extra SET user_aim='$imaddr_aim',user_yahoo='$imaddr_yahoo',user_msn='$imaddr_msn',
user_xmpp='$imaddr_xmpp',user_homepage='$homepage',user_location='$location',user_job='$occupation',
user_hobbies='$hobbies',email_public=$email_public
WHERE user_id=$session->user_id;");
if ( !$q )
$db->_die();
echo '<div class="info-box" style="margin: 0 0 10px 0;">Your profile has been updated.</div>';
}
echo '<form action="'.makeUrl($paths->fullpage).'" method="post">';
?>
<div class="tblholder">
<table border="0" cellspacing="1" cellpadding="4">
<tr>
<th colspan="2">Your public profile</th>
</tr>
<tr>
<td colspan="2" class="row3">Please note that all of the information you enter here will be <b>publicly viewable.</b> All of the fields on this page are optional and may be left blank if you so desire.</td>
</tr>
<tr>
<td class="row2" style="width: 50%;">Real name:</td>
<td class="row1" style="width: 50%;"><input type="text" name="real_name" value="<?php echo $session->real_name; ?>" size="30" /></td>
</tr>
<tr>
<td class="row2">Change theme:</td>
<td class="row1">If you don't like the look of the site, need a visual break, or are just curious, we might have some different themes for you to try out! <a href="<?php echo makeUrlNS('Special', 'ChangeStyle/' . $paths->page); ?>" onclick="ajaxChangeStyle(); return false;">Change my theme...</a></td>
</tr>
<tr>
<th class="subhead" colspan="2">
Instant messenger contact information
</th>
<tr>
<td class="row2" style="width: 50%;">AIM handle:</td>
<td class="row1" style="width: 50%;"><input type="text" name="imaddr_aim" value="<?php echo $session->user_extra['user_aim']; ?>" size="30" /></td>
</tr>
<tr>
<td class="row2" style="width: 50%;"><acronym title="Windows™ Live Messenger">WLM</acronym> handle:<br /><small>If you don't specify the domain (@whatever.com), "@hotmail.com" will be assumed.</small></td>
<td class="row1" style="width: 50%;"><input type="text" name="imaddr_msn" value="<?php echo $session->user_extra['user_msn']; ?>" size="30" /></td>
</tr>
<tr>
<td class="row2" style="width: 50%;">Yahoo! IM handle:</td>
<td class="row1" style="width: 50%;"><input type="text" name="imaddr_yahoo" value="<?php echo $session->user_extra['user_yahoo']; ?>" size="30" /></td>
</tr>
<tr>
<td class="row2" style="width: 50%;">Jabber/XMPP handle:</td>
<td class="row1" style="width: 50%;"><input type="text" name="imaddr_xmpp" value="<?php echo $session->user_extra['user_xmpp']; ?>" size="30" /></td>
</tr>
<tr>
<th class="subhead" colspan="2">
Extra contact information
</th>
</tr>
<tr>
<td class="row2" style="width: 50%;">Your homepage:<br /><small>Please remember the http:// prefix.</small></td>
<td class="row1" style="width: 50%;"><input type="text" name="homepage" value="<?php echo $session->user_extra['user_homepage']; ?>" size="30" /></td>
</tr>
<tr>
<td class="row2" style="width: 50%;">Your location:</td>
<td class="row1" style="width: 50%;"><input type="text" name="location" value="<?php echo $session->user_extra['user_location']; ?>" size="30" /></td>
</tr>
<tr>
<td class="row2" style="width: 50%;">Your job:</td>
<td class="row1" style="width: 50%;"><input type="text" name="occupation" value="<?php echo $session->user_extra['user_job']; ?>" size="30" /></td>
</tr>
<tr>
<td class="row2" style="width: 50%;">Your hobbies:</td>
<td class="row1" style="width: 50%;"><input type="text" name="hobbies" value="<?php echo $session->user_extra['user_hobbies']; ?>" size="30" /></td>
</tr>
<tr>
<td class="row2" style="width: 50%;"><label for="chk_email_public">E-mail address is public</label><br /><small>If this is checked, your e-mail address will be displayed on your user page. To protect your address from spambots, your e-mail address will be encrypted.</small></td>
<td class="row1" style="width: 50%;"><input type="checkbox" id="chk_email_public" name="email_public" <?php if ($session->user_extra['email_public'] == 1) echo 'checked="checked"'; ?> size="30" /></td>
</tr>
<tr>
<th class="subhead" colspan="2">
<input type="submit" name="submit" value="Save profile" />
</th>
</tr>
</table>
</div>
<?php
echo '</form>';
break;
default:
$good = false;
$code = $plugins->setHook('userprefs_body');
foreach ( $code as $cmd )
{
if ( eval($code) )
$good = true;
}
if ( !$good )
{
echo '<h3>Invalid module</h3>
<p>Userprefs module "'.$section.'" not found.</p>';
}
break;
}
$template->footer();
}
?>