$sales_field = "trade_sales";
    $properties_field = "trade_properties_price";
} else {
    $price_field = "price";
    $sales_field = "sales_price";
    $properties_field = "properties_price";
}
$category_id = get_param("category_id");
$item_id = get_param("item_id");
$search_category_id = get_param("search_category_id");
$search_string = trim(get_param("search_string"));
if (strlen($search_category_id)) {
    $category_id = $search_category_id;
}
if (!strlen($category_id) && strlen($item_id)) {
    $category_id = VA_Products::get_category_id($item_id, VIEW_ITEMS_PERM);
    //Customization by Vital
    $session_category_id = get_session("category_id");
    if ($session_category_id && get_db_value("SELECT COUNT(*) FROM " . $table_prefix . "items_categories where item_id=" . $db->tosql($item_id, INTEGER) . " AND category_id=" . $session_category_id)) {
        $category_id = $session_category_id;
    }
    //END customization
}
set_session("category_id", $category_id);
//Customization by Vital
$is_list_products = get_setting_value($vars, "is_list_products", 0);
$products_ids = get_session("products_ids");
set_session("products_ids", "");
if (!is_array($products_ids)) {
    $products_ids = array();
}
$user_type_id = get_setting_value($user_info, "user_type_id", "");
$friendly_urls = get_setting_value($settings, "friendly_urls", 0);
$friendly_extension = get_setting_value($settings, "friendly_extension", "");
$html_template = get_setting_value($block, "html_template", "block_products_breadcrumb.html");
$t->set_file("block_body", $html_template);
$manf = get_param("manf");
$user = get_param("user");
$item_id = get_param("item_id");
$category_id = get_param("category_id");
$search_category_id = get_param("search_category_id");
$breadcrumbs_tree_array = array();
if (strlen($search_category_id)) {
    $category_id = $search_category_id;
}
if (!strlen($category_id) && strlen($item_id)) {
    $category_id = VA_Products::get_category_id($item_id);
    //Customization by Vital
    $session_category_id = get_session("category_id");
    if ($session_category_id && get_db_value("SELECT COUNT(*) FROM " . $table_prefix . "items_categories where item_id=" . $db->tosql($item_id, INTEGER) . " AND category_id=" . $session_category_id)) {
        $category_id = $session_category_id;
    }
    //END customization
}
$t->set_var("index_href", get_custom_friendly_url("index.php"));
if ($category_id) {
    $current_id = $category_id;
    $sql = " SELECT c.category_id, c.category_name, c.friendly_url, c.parent_category_id  FROM ";
    if (isset($site_id)) {
        $sql .= "(";
    }
    $sql .= $table_prefix . "categories c";