Покупка без регистрации в коммерческой версии движка

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE xsl:stylesheet>
<xsl:stylesheet version="1.0"
   xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
   xmlns:hostcms="http://www.hostcms.ru/"
   exclude-result-prefixes="hostcms">
   <xsl:output xmlns="http://www.w3.org/TR/xhtml1/strict" doctype-public="-//W3C//DTD XHTML 1.0 Strict//EN" encoding="utf-8" indent="yes" method="html" omit-xml-declaration="no" version="1.0" media-type="text/xml"/>
   
   <xsl:template match="/document">
      
      <table border="0" cellspacing="0" cellpadding="0" style="margin-top: 30px;">
         <tr>
            
            <xsl:if test="ПоказатьАвторизацию = 'true'">
               <td style="vertical-align: top;" width="50%">
                  <form action="./" style="padding-right: 50px;" name="address" method="POST">
                     <p class="title">Авторизация</p>
                     
                     <xsl:choose>
                        <xsl:when test="error != ''">
                           <!-- Определяем текст ошибки по ее коду -->
                           <xsl:variable name="error_text">
                              <xsl:choose>
                                 <xsl:when test="error = -5">Вы не активировали свой аккаунт. По указанному адресу отправлено письмо с инструкцией об активации. После активации Вы можете авторизироваться.</xsl:when>
                                 <xsl:when test="error = -6">Неверный логин или пароль.</xsl:when>
                                 <xsl:otherwise></xsl:otherwise>
                              </xsl:choose>
                           </xsl:variable>
                           
                           <p style="font-weight: ;" class="red">
                              <xsl:value-of select="$error_text"/>
                           </p>
                        </xsl:when>
                        <xsl:otherwise>
                           <p style="color: #707070">Если Вы зарегистрированы в нашем магазине, введите логин и пароль в соответствующие поля.</p>
                        </xsl:otherwise>
                     </xsl:choose>
                     
                     <table>
                        <tr>
                           <td>
                              <div>Пользователь:</div>
                              <input type="text" size="25" name="login" class="large_input" value="{site_users_login}"/>
                           </td>
                        </tr>
                        <tr>
                           <td>
                              <div>Пароль:</div>
                              <input type="password" size="25" class="large_input" name="password" value=""/>
                           </td>
                        </tr>
                     </table>
                     <p>
                     Забыли пароль? Мы можем его <a href="/users/restore_password/">восстановить</a>.
                     </p>
                     <div class="gray_button">
                        <div>
                           <input name="step1_1" value="Продолжить оформление заказа" type="submit"/>
                        </div>
                     </div>
                  </form>
               </td>
            </xsl:if>
            
            <td style="vertical-align: top;" width="50%">
               <div id="first" style="display: block;">
                  <p class="title">Быстрая регистрация</p>
                  <b>Какие преимущества дает регистрация на сайте?</b>
                  <br/>
                  <ul style="width: 270px">
                     <li>Вы получаете возможность оформлять заказы прямо на сайте.</li>
                     <li>Вы будете получать информацию о специальных акциях магазина, доступных только зарегистрированным пользователям.</li>
                  </ul>
                  
                  <xsl:if test="error != ''">
                     
                     <xsl:variable name="error_text">
                        <xsl:choose>
                           <xsl:when test="error = -1">Введен некорректный электронный адрес</xsl:when>
                           <xsl:when test="error = -2">Пользователь с указанным электронным адресом зарегистрирован ранее</xsl:when>
                           <xsl:when test="error = -3">Пользователь с указанным логином зарегистрирован ранее</xsl:when>
                           <xsl:when test="error = -4">Заполните, пожалуйста, все обязательные параметры</xsl:when>
                           <xsl:when test="error = -7">Введено неверное подтверждение пароля!</xsl:when>
                           <xsl:otherwise></xsl:otherwise>
                        </xsl:choose>
                     </xsl:variable>
                     
                     <p style="color:#800000; font-weight: bold;">
                        <xsl:value-of select="$error_text"/>
                     </p>
                  </xsl:if>
                  
                  <p>
                     <a href="/users/registration/" onClick="HideShow('first', 'second'; return false;">Заполнить форму регистрации →</a>
                  </p>
               </div>
               
               <div id="second" style="display: none;">
                  
                  <p class="title">Регистрация нового клиента</p>
                  
                  <p style="color: #707070">
                  Поля, отмеченные <span class="red_star" style="position: relative; top: 6px;"> *</span>, обязательны для заполнения.
                  </p>
                  
                  <form name="registration" method="POST">
                     <table>
                        <tr>
                           <td>Логин:</td>
                           <td>
                              <input type="text" size="30" name="site_users_login" value="{site_users_login}"/>
                           </td>
                           <td class="red_star"> *</td>
                        </tr>
                        <tr>
                           <td>Пароль:</td>
                           <td>
                              <input type="password" size="30" name="site_users_password" value=""/>
                           </td>
                           <td class="red_star"> *</td>
                        </tr>
                        <tr>
                           <td>Повтор пароля:</td>
                           <td>
                              <input type="password" size="30" name="site_users_password_retry" value=""/>
                           </td>
                           <td class="red_star"> *</td>
                        </tr>
                        <tr>
                           <td>E-mail:</td>
                           <td>
                              <input type="text" size="30" name="site_users_email" value="{site_users_email}"/>
                           </td>
                           <td class="red_star"> *</td>
                        </tr>
                        <tr>
                           <td>Фамилия:</td>
                           <td>
                              <input type="text" size="30" name="site_users_surname" value="{site_users_surname}"/>
                           </td>
                        </tr>
                        <tr>
                           <td>Имя:</td>
                           <td>
                              <input type="text" size="30" name="site_users_name" value="{site_users_name}"/>
                           </td>
                        </tr>
                        
                        <tr>
                           <td>Телефон:</td>
                           <td>
                              <input name="site_users_phone" type="text" value="{site_users_phone}" size="30"/>
                           </td>
                        </tr>
                     </table>
                     <div class="gray_button">
                        <div>
                           <input name="step1_2" value="Продолжить оформление заказа" type="submit"/>
                        </div>
                     </div>
                  </form>
               </div>
            </td>
         </tr>
      </table>
   </xsl:template>
</xsl:stylesheet>