Joomla 1.7 + JoomShopping 3.2.7 // Сортировка товаров по принципу Яндекс.Маркета - JoomShopping

<span class="box_products_sorting">Сортировать по: 
    <select id="order" name="order" class = "inputbox" size = "1" onchange = "submitListProductFilters()">
	<option value="1">Название</option>
	<option value="2" selected="selected">Цена</option>
	<option value="3">Дата</option>
	<option value="5">Рейтинг</option>
	<option value="6">Популярность</option>
	<option value="4">Предустановленная</option>
    </select>
<img src = "http://new.dfcollection.ru/components/com_jshopping/images/arrow_up.gif" alt = "orderby" onclick = "submitListProductFilterSortDirection()" />
</span>

<?php if ($this->config->show_sort_product){?>
                <span class="box_products_sorting"><?php print _JSHOP_ORDER_BY.": ".$this->sorting?><img src = "<?php print $this->image_path."/".$this->image_arr?>" alt = "orderby" onclick = "submitListProductFilterSortDirection()" /></span>
<?php }?>

function submitListProductFilterSortDirection(){
    $_('orderby').value = $_('orderby').value ^ 1;
    submitListProductFilters();
}

        $order = array();
        $order[] = "name asc";
        $order[] = "name desc";
        $order[] = "prod.product_price asc";
        $order[] = "prod.product_price desc";
        $orderby = $order[rand(0,3)];
                 
        $query = "SELECT $adv_result FROM `#__jshopping_products` AS prod
                  INNER JOIN `#__jshopping_products_to_categories` AS pr_cat ON pr_cat.product_id = prod.product_id
                  LEFT JOIN `#__jshopping_categories` AS cat ON pr_cat.category_id = cat.category_id
                  $adv_from
                  WHERE prod.product_publish = '1' AND cat.category_publish='1' ".$adv_query."
                  GROUP BY prod.product_id order by ".$orderby." LIMIT ".$limitstart.", ".$count;
        $db->setQuery($query);