Когда на форме изменяю ключевое слово, при нажатии на кнопку поиск оно возвращается (предыдущее) если кто поможет буду примного благодарен!
Код файла search.tpl:
<?php echo $header; ?>
<div id="container-wrap">
<div id="container">
<?php echo $column_left; ?>

<div id="content">
<div class="create"></div>
</div>
<h1><?php echo $heading_title; ?></h1>
<b><?php echo $text_critea; ?></b>
<marquee behavior="scroll" direction="left" style="font-size:16px;color:#FF2E95;">Любой товар можно приобрести в кредит!</marquee><br><br>

<table>
<tr>
<td><?php echo $entry_search; ?></td>
<td><?php if ($keyword) { ?>
<input type="text" value="<?php echo $keyword; ?>" id="keyword" />
<?php } else { ?>
<input type="text" value="<?php echo $text_keyword; ?>" id="keyword" onclick="this.value = '';" onkeydown="this.style.color = '000000'" style="color: #999;" />
<?php } ?>
<select id="category_id">
<option value="0"><?php echo $text_category; ?></option>
<?php foreach ($categories as $category) { ?>
<?php if ($category['category_id'] == $category_id) { ?>
<option value="<?php echo $category['category_id']; ?>" selected="selected"><?php echo $category['name']; ?></option>
<?php } else { ?>
<option value="<?php echo $category['category_id']; ?>"><?php echo $category['name']; ?></option>
<?php } ?>
<?php } ?>
</select></td>
</tr>
<tr>
<td colspan="2"><?php if ($description) { ?>
<input type="checkbox" name="description" id="description" checked="checked" />
<?php } else { ?>
<input type="checkbox" name="description" id="description" />
<?php } ?>
<?php echo $entry_description; ?></td>
</tr>
<tr>
<td colspan="2"><?php if ($model) { ?>
<input type="checkbox" name="model" id="model" checked="checked" />
<?php } else { ?>
<input type="checkbox" name="model" id="model" />
<?php } ?>
<?php echo $entry_model; ?></td>
</tr>
</table>
</div>
<div class="buttons">
<table>
<tr>
<td align="right"><a onclick="contentSearch();" class="button" style="position:relative"><span><?php echo $button_search; ?></span></a></td>
</tr>
</table>
</div>

<div class="heading"><?php echo $text_search; ?></div>
<?php if (isset($products)) { ?>
<?php if(!empty($need)){ ?>
<div class="sort">
<div class="div1">
<select name="sort" onchange="location = this.value">
<?php foreach ($sorts as $sorts) { ?>
<?php if (($sort . '-' . $order) == $sorts['value']) { ?>
<option value="<?php echo $sorts['href']; ?>" selected="selected"><?php echo $sorts['text']; ?></option>
<?php } else { ?>
<option value="<?php echo $sorts['href']; ?>"><?php echo $sorts['text']; ?></option>
<?php } ?>
<?php } ?>
</select>
</div>
<div class="div2"><?php echo $text_sort; ?></div>

</div>
<?php } ?>
<table class="list">
<?php for ($i = 0; $i < sizeof($products); $i = $i + 4) { ?>
<tr>
<?php for ($j = $i; $j < ($i + 4); $j++) { ?>
<td width="25%"><?php if (isset($products[$j])) { ?>
<a href="<?php echo $products[$j]['href']; ?>"><img src="<?php echo $products[$j]['thumb']; ?>" title="<?php echo $products[$j]['name']; ?>" alt="<?php echo $products[$j]['name']; ?>" /></a><br />
<a href="<?php echo $products[$j]['href']; ?>"><?php echo $products[$j]['name']; ?></a><br />
<span style="color: #999; font-size: 11px;"><?php echo $products[$j]['model']; ?></span><br />
<?php if ($display_price) { ?>
<?php if (!$products[$j]['special']) { ?>
<span style="color: #900; font-weight: bold;"><?php echo $products[$j]['price']; ?></span>
<?php } else { ?>
<span style="color: #900; font-weight: bold; text-decoration: line-through;"><?php echo $products[$j]['price']; ?></span> <span style="color: #F00;"><?php echo $products[$j]['special']; ?></span>
<?php } ?>
<a class="button_add_small" href="<?php echo $products[$j]['add']; ?>" title="<?php echo $button_add_to_cart; ?>" > </a>
<?php } ?>
<br />
<?php if ($products[$j]['rating']) { ?>
<img src="catalog/view/theme/default/image/stars_<?php echo $products[$j]['rating'] . '.png'; ?>" alt="<?php echo $products[$j]['stars']; ?>" />
<?php } ?>
<?php } ?></td>
<?php } ?>
</tr>
<?php } ?>
</table>
<div class="pagination"><?php echo $pagination; ?></div>
<?php } else { ?>
<div class="div2"><?php echo $text_empty; ?></div>
<div style="clear:both;height:5px;"></div>
<?php }?>
</div>



</div>
</div>
<script type="text/javascript"><!--
$('#content_search input').keydown(function(e) {
if (e.keyCode == 13) {
contentSearch();
}
});

function contentSearch() {
location = "";
url = 'index.php?route=product/search';

var keyword = $('#keyword').attr('value');

if (keyword) {
url += '&keyword=' + encodeURIComponent(keyword);
}

var category_id = $('#category_id').attr('value');

if (category_id) {
url += '&category_id=' + encodeURIComponent(category_id);
}

if ($('#description').attr('checked')) {
url += '&description=1';
}

if ($('#model').attr('checked')) {
url += '&model=1';
}
location = url;
}
//--></script>
<?php echo $footer; ?>


Код файла search.php:

<?php
class ControllerProductSearch extends Controller {
public function index() {
$this->language->load('product/search');

if (isset($this->request->get['keyword'])) {
$this->document->title = $this->language->get('heading_title') . ' - ' . $this->request->get['keyword'];
} else {
$this->document->title = $this->language->get('heading_title');
}

$this->document->breadcrumbs = array();

$this->document->breadcrumbs[] = array(
'href' => HTTP_SERVER . 'index.php?route=common/home',
'text' => $this->language->get('text_home'),
'separator' => FALSE
);

$url = '';

if (isset($this->request->get['keyword'])) {
$url .= '&keyword=' . $this->request->get['keyword'];
}

if (isset($this->request->get['category_id'])) {
$url .= '&category_id=' . $this->request->get['category_id'];
}

if (isset($this->request->get['description'])) {
$url .= '&description=' . $this->request->get['description'];
}

if (isset($this->request->get['model'])) {
$url .= '&model=' . $this->request->get['model'];
}

if (isset($this->request->get['sort'])) {
$url .= '&sort=' . $this->request->get['sort'];
}

if (isset($this->request->get['order'])) {
$url .= '&order=' . $this->request->get['order'];
}

if (isset($this->request->get['page'])) {
$url .= '&page=' . $this->request->get['page'];
}

$this->document->breadcrumbs[] = array(
'href' => HTTP_SERVER . 'index.php?route=product/search' . $url,
'text' => $this->language->get('heading_title'),
'separator' => $this->language->get('text_separator')
);

$this->data['heading_title'] = $this->language->get('heading_title');

$this->data['text_critea'] = $this->language->get('text_critea');
$this->data['text_search'] = $this->language->get('text_search');
$this->data['text_keyword'] = $this->language->get('text_keyword');
$this->data['text_category'] = $this->language->get('text_category');
$this->data['text_empty'] = $this->language->get('text_empty');
$this->data['text_sort'] = $this->language->get('text_sort');

$this->data['entry_search'] = $this->language->get('entry_search');
$this->data['entry_description'] = $this->language->get('entry_description');
$this->data['entry_model'] = $this->language->get('entry_model');

$this->data['button_search'] = $this->language->get('button_search');

if (isset($this->request->get['page'])) {
$page = $this->request->get['page'];
} else {
$page = 1;
}

if (isset($this->request->get['sort'])) {
$sort = $this->request->get['sort'];
} else {
$sort = 'p.sort_order';
}

if (isset($this->request->get['order'])) {
$order = $this->request->get['order'];
} else {
$order = 'ASC';
}

if (isset($this->request->get['keyword'])) {
$this->data['keyword'] = $this->request->get['keyword'];
} else {
$this->data['keyword'] = '';
}

if (isset($this->request->get['category_id'])) {
$this->data['category_id'] = $this->request->get['category_id'];
} else {
$this->data['category_id'] = '';
}

$this->load->model('catalog/category');

$this->data['categories'] = $this->getCategories(0);

if (isset($this->request->get['description'])) {
$this->data['description'] = $this->request->get['description'];
} else {
$this->data['description'] = '';
}

if (isset($this->request->get['model'])) {
$this->data['model'] = $this->request->get['model'];
} else {
$this->data['model'] = '';
}

if (isset($this->request->get['keyword'])) {
$this->load->model('catalog/product');

$product_total = $this->model_catalog_product->getTotalProductsByKeyword($this->request->get['keyword'], isset($this->request->get['category_id']) ? $this->request->get['category_id'] : '', isset($this->request->get['description']) ? $this->request->get['description'] : '', isset($this->request->get['model']) ? $this->request->get['model'] : '');

$product_tag_total = $this->model_catalog_product->getTotalProductsByTag($this->request->get['keyword'], isset($this->request->get['category_id']) ? $this->request->get['category_id'] : '');

$product_total = max($product_total, $product_tag_total);

if ($product_total) {
$url = '';

if (isset($this->request->get['category_id'])) {
$url .= '&category_id=' . $this->request->get['category_id'];
}

if (isset($this->request->get['description'])) {
$url .= '&description=' . $this->request->get['description'];
}

if (isset($this->request->get['model'])) {
$url .= '&model=' . $this->request->get['model'];
}

$this->load->model('catalog/review');
$this->load->model('tool/seo_url');
$this->load->model('tool/image');

$this->data['button_add_to_cart'] = $this->language->get('button_add_to_cart');

$this->data['products'] = array();

$results = $this->model_catalog_product->getProductsByKeyword($this->request->get['keyword'], isset($this->request->get['category_id']) ? $this->request->get['category_id'] : '', isset($this->request->get['description']) ? $this->request->get['description'] : '', isset($this->request->get['model']) ? $this->request->get['model'] : '', $sort, $order, ($page - 1) * $this->config->get('config_catalog_limit'), $this->config->get('config_catalog_limit'));

$tag_results = $this->model_catalog_product->getProductsByTag($this->request->get['keyword'], isset($this->request->get['category_id']) ? $this->request->get['category_id'] : '', $sort, $order, ($page - 1) * $this->config->get('config_catalog_limit'), $this->config->get('config_catalog_limit'));

foreach ($results as $key => $value) {
$tag_results[$value['product_id']] = $results[$key];
}

//$product_total = count($tag_results);

foreach ($tag_results as $result) {
if ($result['image']) {
$image = $result['image'];
} else {
$image = 'no_image.jpg';
}

if ($this->config->get('config_review')) {
$rating = $this->model_catalog_review->getAverageRating($result['product_id']);
} else {
$rating = false;
}

$special = FALSE;

$discount = $this->model_catalog_product->getProductDiscount($result['product_id']);

if ($discount) {
$price = $this->currency->format($this->tax->calculate($discount, $result['tax_class_id'], $this->config->get('config_tax')));
} else {

$result['price'] = $this->customer->get_price($result['price'], $result['price_opt'], $result['price_superopt']);
$price = $this->currency->format($this->tax->calculate($result['price'], $result['tax_class_id'], $this->config->get('config_tax')));

$special = $this->model_catalog_product->getProductSpecial($result['product_id']);

if ($special) {
$special = $this->currency->format($this->tax->calculate($special, $result['tax_class_id'], $this->config->get('config_tax')));
}
}

$options = $this->model_catalog_product->getProductOptions($result['product_id']);

if ($options) {
$add = $this->model_tool_seo_url->rewrite(HTTP_SERVER . 'index.php?route=product/product&product_id=' . $result['product_id']);
} else {
$add = HTTPS_SERVER . 'index.php?route=checkout/cart&product_id=' . $result['product_id'];
}

$this->data['products'][] = array(
'name' => $result['name'],
'model' => $result['model'],
'rating' => $rating,
'stars' => sprintf($this->language->get('text_stars'), $rating),
'thumb' => $this->model_tool_image->resize($image, $this->config->get('config_image_product_width'), $this->config->get('config_image_product_height')),
'price' => $price,
'options' => $options,
'special' => $special,
//'href' => $this->model_tool_seo_url->rewrite(HTTP_SERVER . 'index.php?route=product/product&keyword=' . $this->request->get['keyword'] . $url . '&product_id=' . $result['product_id']),
'href' => $this->model_tool_seo_url->rewrite(HTTP_SERVER . 'index.php?route=product/product&keyword=' . urlencode($this->request->get['keyword']) . $url . '&product_id=' . $result['product_id']),
'add' => $add
);
}

if (!$this->config->get('config_customer_price')) {
$this->data['display_price'] = TRUE;
} elseif ($this->customer->isLogged()) {
$this->data['display_price'] = TRUE;
} else {
$this->data['display_price'] = FALSE;
}

$url = '';

if (isset($this->request->get['keyword'])) {
$url .= '&keyword=' . $this->request->get['keyword'];
}

if (isset($this->request->get['category_id'])) {
$url .= '&category_id=' . $this->request->get['category_id'];
}

if (isset($this->request->get['description'])) {
$url .= '&description=' . $this->request->get['description'];
}

if (isset($this->request->get['model'])) {
$url .= '&model=' . $this->request->get['model'];
}

if (isset($this->request->get['page'])) {
$url .= '&page=' . $this->request->get['page'];
}

$this->data['sorts'] = array();

$this->data['sorts'][] = array(
'text' => $this->language->get('text_default'),
'value' => 'p.sort_order-ASC',
'href' => HTTP_SERVER . 'index.php?route=product/search' . $url . '&sort=p.sort_order&order=ASC'
);

$this->data['sorts'][] = array(
'text' => $this->language->get('text_name_asc'),
'value' => 'pd.name-ASC',
'href' => HTTP_SERVER . 'index.php?route=product/search' . $url . '&sort=pd.name&order=ASC'
);

$this->data['sorts'][] = array(
'text' => $this->language->get('text_name_desc'),
'value' => 'pd.name-DESC',
'href' => HTTP_SERVER . 'index.php?route=product/search' . $url . '&sort=pd.name&order=DESC'
);

$this->data['sorts'][] = array(
'text' => $this->language->get('text_price_asc'),
'value' => 'p.price-ASC',
'href' => HTTP_SERVER . 'index.php?route=product/search' . $url . '&sort=p.price&order=ASC'
);

$this->data['sorts'][] = array(
'text' => $this->language->get('text_price_desc'),
'value' => 'p.price-DESC',
'href' => HTTP_SERVER . 'index.php?route=product/search' . $url . '&sort=p.price&order=DESC'
);

$this->data['sorts'][] = array(
'text' => $this->language->get('text_rating_desc'),
'value' => 'rating-DESC',
'href' => HTTP_SERVER . 'index.php?route=product/search' . $url . '&sort=rating&order=DESC'
);

$this->data['sorts'][] = array(
'text' => $this->language->get('text_rating_asc'),
'value' => 'rating-ASC',
'href' => HTTP_SERVER . 'index.php?route=product/search' . $url . '&sort=rating&order=ASC'
);

$this->data['sorts'][] = array(
'text' => $this->language->get('text_model_asc'),
'value' => 'p.model-ASC',
'href' => HTTP_SERVER . 'index.php?route=product/search' . $url . '&sort=p.model&order=ASC'
);

$this->data['sorts'][] = array(
'text' => $this->language->get('text_model_desc'),
'value' => 'p.model-DESC',
'href' => HTTP_SERVER . 'index.php?route=product/search' . $url . '&sort=p.model&order=DESC'
);

$url = '';

if (isset($this->request->get['keyword'])) {
$url .= '&keyword=' . $this->request->get['keyword'];
}

if (isset($this->request->get['category_id'])) {
$url .= '&category_id=' . $this->request->get['category_id'];
}

if (isset($this->request->get['description'])) {
$url .= '&description=' . $this->request->get['description'];
}

if (isset($this->request->get['model'])) {
$url .= '&model=' . $this->request->get['model'];
}

if (isset($this->request->get['sort'])) {
$url .= '&sort=' . $this->request->get['sort'];
}

if (isset($this->request->get['order'])) {
$url .= '&order=' . $this->request->get['order'];
}

$pagination = new Pagination();
$pagination->total = $product_total;
$pagination->page = $page;
$pagination->limit = $this->config->get('config_catalog_limit');
$pagination->text = $this->language->get('text_pagination');
$pagination->url = HTTP_SERVER . 'index.php?route=product/search' . $url . '&page={page}';

$this->data['pagination'] = $pagination->render();

$this->data['sort'] = $sort;
$this->data['order'] = $order;
}
}

if (file_exists(DIR_TEMPLATE . $this->config->get('config_template') . '/template/product/search.tpl')) {
$this->template = $this->config->get('config_template') . '/template/product/search.tpl';
} else {
$this->template = 'default/template/product/search.tpl';
}

$this->children = array(
'common/column_right',
'common/column_left',
'common/footer',
'common/header',
'module/cart'
);

$this->response->setOutput($this->render(TRUE), $this->config->get('config_compression'));
}

private function getCategories($parent_id, $level = 0) {
$level++;

$data = array();

$results = $this->model_catalog_category->getCategories($parent_id);

foreach ($results as $result) {
$data[] = array(
'category_id' => $result['category_id'],
'name' => str_repeat('   ', $level) . $result['name']
);

$children = $this->getCategories($result['category_id'], $level);

if ($children) {
$data = array_merge($data, $children);
}
}

return $data;
}
}
?>