не обновляется captcha

<?xml version="1.0" encoding="windows-1251"?>
<!DOCTYPE xsl:stylesheet>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
   <xsl:output xmlns="http://www.w3.org/TR/xhtml1/strict" doctype-public="-//W3C//DTD XHTML 1.0 Strict//EN" encoding="Windows-1251" indent="yes" method="html" omit-xml-declaration="no" version="1.0" media-type="text/xml"/>
   
   <!-- ОтобразитьФорму -->
   
   <xsl:template match="/">
      <xsl:apply-templates select="/document"/>
   </xsl:template>
   
   <xsl:template match="/document">
      
      <SCRIPT language="JavaScript">function testData<xsl:value-of select="forms_id"/>()
         {
         <xsl:apply-templates select="fields/field[(type=0 or type=1 or type=5) and obligatory=1]"/>
         }
      </SCRIPT>
      
      <h1>
         <xsl:value-of disable-output-escaping="yes" select="forms_name"/>
      </h1>
      
      <xsl:choose>
         <!-- Выводим ошибку (error), если она была передана через внешний параметр
         -->
         <xsl:when test="error != ''">
            <div id="error">
               <xsl:value-of disable-output-escaping="yes" select="error"/>
            </div>
         </xsl:when>
         <xsl:otherwise>
            <xsl:value-of disable-output-escaping="yes" select="forms_description"/>
         </xsl:otherwise>
      </xsl:choose>
      
      <!-- Параметр action формы должен быть "./", если обработчик на этой же странице, либо "./form/", если обработчик на другой странице, например ./form/
      -->
      <form name="form{forms_id}" action="./" method="post" ENCTYPE="multipart/form-data">
         <table border="0" cellpadding="2" cellspacing="0">
            <!-- Вывод спсика полей формы -->
            <xsl:apply-templates select="fields/field" mode="show_form"/>
            
            <!-- Код подтверждения -->
            <xsl:if test="forms_captcha_key != 0">
               <tr>
                  <td>Контрольные цифры
                     ^{<font color="red">*</font>}
                  </td>
                  <td>
                     <img style="border: 1px solid #000000" src="/captcha.php?get_captcha={forms_captcha_key}&amp;height=30&amp;width=100" title="Код подтверждения" name="captcha"/>
                     
                     <div id="captcha">
                        <img style="border: 0px" src="/hostcmsfiles/images/refresh.gif" /><a href="javascript:void(0);" onclick="ReNewCaptcha({forms_captcha_key}, 30); return false;">Показать другое число</a>
                     </div>
                     
                     <input type="text" name="captcha_keystring"/>
                     <input type="hidden" name="captcha_key" value="{forms_captcha_key}" size="5"/>
                     
                     <div id="captcha">
                        Введите число, которое указано выше.
                     </div>
                  </td>
               </tr>
            </xsl:if>
            <tr>
               <td colspan="2" align="center">
                  <!-- Простая кнопка -->
                  <xsl:if test="forms_button_type=0">
                     <input onclick="return testData{forms_id}()" type="submit" name="{forms_button_name}" value="{forms_button_text_value}"/>
                  </xsl:if>
                  <!-- Кнопка с картинкой -->
                  <xsl:if test="forms_button_type=1">
                     <button onclick="return testData{forms_id}()" name="{forms_button_name}" value="{forms_button_value}" type="submit">
                        <xsl:value-of disable-output-escaping="yes" select="forms_button_text_value"/>
                     </button>
                  </xsl:if>
               </td>
            </tr>
         </table>
      </form>
   </xsl:template>
   
   <xsl:template match="fields/field" mode="show_form">
      <!-- Не скрытое поле и не надпись -->
      <xsl:if test="type!=7 and type!=8">
         <tr>
            <td>
               <xsl:value-of disable-output-escaping="yes" select="field_text_name"/>
               <xsl:if test="obligatory=1">
                  ^{<font color="red">*</font>}
            </xsl:if>&#xA0;</td>
            <td>
               <!-- Текстовое поле ввода -->
               <xsl:if test="type=0">
                  <input type="text" name="{name}" value="{value}" size="{size}" onmouseout="this.className=&quot;input&quot;" onmouseover="this.className=&quot;input_blur&quot;;"/>
               </xsl:if>
               
               <!-- Поле для ввода пароля -->
               <xsl:if test="type=1">
                  <input type="password" name="{name}" value="{value}" size="{size}"/>
               </xsl:if>
               
               <!-- Поле загрузки файла -->
               <xsl:if test="type=2">
                  <input type="file" name="{name}" size="{size}" value="{value}"/>
               </xsl:if>
               
               <!-- Радиокнопки -->
               <xsl:if test="type=3 or type=9">
                  <xsl:apply-templates select="list/list_item"/>
               </xsl:if>
               
               <!-- Checkbox -->
               <xsl:if test="type=4">
                  <xsl:if test="checked=1">
                     <input type="checkbox" name="{name}" checked=""/>
                  </xsl:if>
                  <xsl:if test="checked=0">
                     <input type="checkbox" name="{name}"/>
                  </xsl:if>
               </xsl:if>
               
               <!-- textarea -->
               <xsl:if test="type=5">
                  <textarea onmouseout="this.className=&quot;input&quot;" onmouseover="this.className=&quot;input_blur&quot;;" name="{name}" cols="{cols}" rows="{rows}" wrap="off">
                     <xsl:value-of disable-output-escaping="yes" select="value"/>
                  </textarea>
               </xsl:if>
               
               <!-- список -->
               <xsl:if test="type=6">
                  <select name="{name}">
                     <xsl:apply-templates select="list/list_item"/>
                  </select>
               </xsl:if>
            </td>
         </tr>
      </xsl:if>
      
      <!-- скрытое поле -->
      <xsl:if test="type=7">
         <input type="hidden" name="{name}" value="{value}"/>
      </xsl:if>
      
      <!-- надпись -->
      <xsl:if test="type=8">
         <tr>
            <td colspan="2" align="center">
               <strong>
                  <xsl:value-of disable-output-escaping="yes" select="field_default_value"/>
               </strong>
            </td>
         </tr>
      </xsl:if>
   </xsl:template>
   
   <!-- Формируем радиогруппу или выпадающий список -->
   <xsl:template match="list/list_item">
      <xsl:if test="../../type=3">
         <xsl:if test="list_item_value = (../../value)">
            <input id="{../../name}_{list_item_id}" type="radio" name="{../../name}" value="{list_item_value}" checked=""/>&#xA0;
            <label for="{../../name}_{list_item_id}">
               <xsl:value-of disable-output-escaping="yes" select="list_item_value"/>
            </label>
            <br/>
         </xsl:if>
         <xsl:if test="list_item_value != (../../value)">
            <input id="{../../name}_{list_item_id}" type="radio" name="{../../name}" value="{list_item_value}"/>&#xA0;
            <label for="{../../name}_{list_item_id}">
               <xsl:value-of disable-output-escaping="yes" select="list_item_value"/>
            </label>
            <br/>
         </xsl:if>
      </xsl:if>
      <xsl:if test="../../type=6">
         <xsl:if test="list_item_value = ../../value">
            <option value="{list_item_value}" selected="">
               <xsl:value-of disable-output-escaping="yes" select="list_item_value"/>
            </option>
         </xsl:if>
         <xsl:if test="list_item_value != ../../value">
            <option value="{list_item_value}">
               <xsl:value-of disable-output-escaping="yes" select="list_item_value"/>
            </option>
         </xsl:if>
      </xsl:if>
      <xsl:if test="../../type=9">
         <xsl:if test="list_item_value = (../../value)">
            <input id="{../../name}_{list_item_id}" type="checkbox" name="{../../name}_{list_item_id}" value="{list_item_value}" checked=""/>&#xA0;
            <label for="{../../name}_{list_item_id}">
               <xsl:value-of disable-output-escaping="yes" select="list_item_value"/>
            </label><br/>
         </xsl:if>
         <xsl:if test="list_item_value != (../../value)">
            <input id="{../../name}_{list_item_id}" type="checkbox" name="{../../name}_{list_item_id}" value="{list_item_value}"/>&#xA0;
            <label for="{../../name}_{list_item_id}"><xsl:value-of disable-output-escaping="yes" select="list_item_value"/>
            </label><br/>
         </xsl:if>
      </xsl:if>
   </xsl:template>
   
   <!-- Формируем тело функции -->
   <xsl:template match="fields/field[(type=0 or type=1 or type=5) and obligatory=1]">if (document.form<xsl:value-of disable-output-escaping="yes" select="../../forms_id"/>.elements['<xsl:value-of disable-output-escaping="yes" select="name"/>'].value == "") {
      alert ("\nЗаполните поле \"<xsl:value-of disable-output-escaping="yes" select="field_text_name"/>\"!\t\n")
      document.form<xsl:value-of disable-output-escaping="yes" select="../../forms_id"/>.elements['<xsl:value-of disable-output-escaping="yes" select="name"/>'].focus();
      return false;
   }</xsl:template>
</xsl:stylesheet>