Hai ragione anche tu, ne manca un pezzo (un file)
Apri notepad++,
scrivici
<?php
/**
* @package Joomla.Site
* @subpackage com_search
* @copyright Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
// no direct access
defined('_JEXEC') or die;
$lang = JFactory::getLanguage();
$upper_limit = $lang->getUpperLimitSearchWord();
?>
<form id="searchForm" action="<?php echo JRoute::_('index.php?option=com_search');?>" method="post">
<fieldset class="word">
<label for="search-searchword">
<?php echo JText::_('COM_SEARCH_SEARCH_KEYWORD'); ?>
</label>
<input type="text" name="searchword" id="search-searchword" size="30" maxlength="<?php echo $upper_limit; ?>" value="<?php echo $this->escape($this->origkeyword); ?>" class="inputbox" />
<button name="Search" onclick="this.form.submit()" class="button"><?php echo JText::_('COM_SEARCH_SEARCH');?></button>
<input type="hidden" name="task" value="search" />
</fieldset>
<div class="searchintro<?php echo $this->params->get('pageclass_sfx'); ?>">
<?php if (!empty($this->searchword)):?>
<p><?php echo JText::plural('COM_SEARCH_SEARCH_KEYWORD_N_RESULTS', $this->total);?></p>
<?php endif;?>
</div>
<?php if ($this->params->get('search_areas', 1)) : ?>
<?php endif; ?>
<?php if ($this->total > 0) : ?>
<p class="counter">
<?php echo $this->pagination->getPagesCounter(); ?>
</p>
<?php endif; ?>
</form>
Salvalo come
default_form.php
e mettilo nella stessa cartella dell'altro file.
Dovrebbe funzionare.
Ciao!