Не выводятся новинки магазина

<table width="100%" cellpadding="0" cellspacing="0" border="0" class="content_table">
   <tr>
      <td class="left_td">
         
         <!-- Конец вывода верхнего блока - Header -->
         <?
         $kernel->show_current_page();
         ?>
         <hr>
<p class="title">Новинки нашего интернет-магазина</p>
         <?php

$shop = & singleton('shop');

$param = array();
// Заполняем первое условие
$element['type'] = 0;
$element['prefix'] = ' and ';
$element['name'] = 'shop_items_catalog_date_time';
$element['if'] = '>';

$DateClass = new DateClass();

// Вместо 7 подставить нужное число дней
$time = time() - 60 * 60 * 24 * 7;

$element['value'] = $DateClass->DateUnixToSQL($time);
$element['sufix'] = '';
$param['select'][] = $element;

$param['current_group_id'] = 0;
$param['items_begin'] = 0;
$param['items_on_page'] = 10;

// Выводим элементы
$shop->ShowShop(1, 'МагазинКаталогТоваровНаГлавнойСпецПред', $param);
?>
   <hr>
         <p class="title">Горячие предложения</p>
   
         <?
         if (class_exists('shop'))
         {
            $shop = & singleton('shop');

            $element['type'] = 0; // 0 - основное св-во, 1 - дополнительное
            $element['name'] = 'shop_item_discount_table.shop_items_catalog_item_id';
            $element['prefix'] = 'and'; // префикс
            $element['if'] = '='; // Условие
            $element['value'] = 'shop_items_catalog_table.shop_items_catalog_item_id';  //
            $element['sufix'] = '';

            $param = array();
            //$param['select'][] = $element;
            $param['current_group_id'] = false;
            $param['items_on_page'] = 3;
            $param['items_order'] = 'rand';

            // Получить все скидки
            $AllDiscount = $shop->GetAllDiscounts(1);

            if ($AllDiscount)
            {
               $param['select_discount'] = array();

               while ($row = mysql_fetch_assoc($AllDiscount))
               {
                  $param['select_discount'][] = $row['shop_discount_id'];
               }
            }
   $external_propertys=array();
            $shop->ShowShop(1,'МагазинКаталогТоваровНаГлавнойСпецПред',$param,$external_propertys);
         }
         ?>
         <div style="width: 665px; font-size: 0pt;"></div>
      </td>
      <td width="1" style="padding-right: 16px;"></td>
      <td width="191" class="right_td">
            <!--<div class="green_grad">
            <div class="tl"></div>
            <div class="tr"></div>
            <div class="bl"></div>
            <div class="br"></div>
         
<?
            // Отображаем тэги ИС
            $InformationSystem = & singleton('InformationSystem');
            $InformationSystem->ShowTagsCloud(1, 'ОблакоТэговИнформационнойСистемы');
            ?>

         </div>-->
         
         <?
         if (class_exists('Search'))
         {
            ?>
            <div class="red_grad">
               <div class="tl"></div>
               <div class="tr"></div>
               <div class="bl"></div>
               <div class="br"></div>
               
               <h2>Поиск</h2
               <p>
               <form method="get" action="/search/" class="form_to_main">
                  <input type="text" size="30" name="text" value="" maxlength="200" />
                  <input type="submit" class="button" value="Искать" />
               </form>
               </p>
            </div>
         <?
         }
         ?>
         
         <?
         if (class_exists('polls'))
         {
            ?>
            <div class="blue_grad_2">
               <div class="tl"></div>
               <div class="tr"></div>
               <div class="bl"></div>
               <div class="br"></div>
               <?
                  $polls = new polls();
                  $polls->ShowPollsGroup(1, 'ОтображениеОпросаБезРезультатов');
               ?>
            </div>
         <?
         }
         
         if (class_exists('SiteUsers'))
         {
            $SiteUsers = & singleton('SiteUsers');
            if (!$SiteUsers->GetCurrentSiteUser())
            {
            ?>
            <div class="red_grad">
               <div class="tl"></div>
               <div class="tr"></div>
               <div class="bl"></div>
               <div class="br"></div>
               <h2>Личный кабинет</h2>
               <p>
                  <form class="form_to_main" action="/users/" method="POST">
                     Пользователь:
                     <input name="site_user_login" type="text">
                     Пароль:
                     <input name="site_user_password" type="password">
                     <input class="button" type="submit" name="apply" value="Войти">
                  </form>
               </p>
            </div>
            <?
            }
         }
         ?>
      </td>
      <td width="1" style="padding-right: 16px;"></td>
   </tr>
</table>

$param['current_group_id'] = 0false;