diff --git a/library/smarty/libs/SmartyBC.class.php b/library/smarty/libs/SmartyBC.class.php
new file mode 100644
--- /dev/null
+++ b/library/smarty/libs/SmartyBC.class.php
@@ -0,0 +1,412 @@
+<?php
+/**
+ * Project:     Smarty: the PHP compiling template engine
+ * File:        SmartyBC.class.php
+ * SVN:         $Id: $
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * For questions, help, comments, discussion, etc., please join the
+ * Smarty mailing list. Send a blank e-mail to
+ * smarty-discussion-subscribe@googlegroups.com
+ *
+ * @link      http://www.smarty.net/
+ * @copyright 2008 New Digital Group, Inc.
+ * @author    Monte Ohrt <monte at ohrt dot com>
+ * @author    Uwe Tews
+ * @author    Rodney Rehm
+ * @package   Smarty
+ */
+/**
+ * @ignore
+ */
+require_once(dirname(__FILE__) . '/Smarty.class.php');
+
+/**
+ * Smarty Backward Compatability Wrapper Class
+ *
+ * @package Smarty
+ */
+class SmartyBC extends Smarty {
+    /**
+     * Smarty 2 BC
+     *
+     * @var string
+     */
+    public $_version = self::SMARTY_VERSION;
+
+    /**
+     * Initialize new SmartyBC object
+     *
+     * @param array $options options to set during initialization, e.g. array( 'forceCompile' => false )
+     */
+    public function __construct(array $options = array()) {
+        parent::__construct($options);
+    }
+
+    /**
+     * wrapper for assign_by_ref
+     *
+     * @param string $tpl_var the template variable name
+     * @param mixed &$value the referenced value to assign
+     */
+    public function assign_by_ref($tpl_var, &$value) {
+        $this->assignByRef($tpl_var, $value);
+    }
+
+    /**
+     * wrapper for append_by_ref
+     *
+     * @param string $tpl_var the template variable name
+     * @param mixed &$value the referenced value to append
+     * @param boolean $merge flag if array elements shall be merged
+     */
+    public function append_by_ref($tpl_var, &$value, $merge = false) {
+        $this->appendByRef($tpl_var, $value, $merge);
+    }
+
+    /**
+     * clear the given assigned template variable.
+     *
+     * @param string $tpl_var the template variable to clear
+     */
+    public function clear_assign($tpl_var) {
+        $this->clearAssign($tpl_var);
+    }
+
+    /**
+     * Registers custom function to be used in templates
+     *
+     * @param string $function the name of the template function
+     * @param string $function_impl the name of the PHP function to register
+     * @param bool $cacheable
+     * @param mixed $cache_attrs
+     */
+    public function register_function($function, $function_impl, $cacheable = true, $cache_attrs = null) {
+        $this->registerPlugin('function', $function, $function_impl, $cacheable, $cache_attrs);
+    }
+
+    /**
+     * Unregisters custom function
+     *
+     * @param string $function name of template function
+     */
+    public function unregister_function($function) {
+        $this->unregisterPlugin('function', $function);
+    }
+
+    /**
+     * Registers object to be used in templates
+     *
+     * @param string $object name of template object
+     * @param object $object_impl the referenced PHP object to register
+     * @param array $allowed list of allowed methods (empty = all)
+     * @param boolean $smarty_args smarty argument format, else traditional
+     * @param array $block_methods list of methods that are block format
+     *
+     * @throws SmartyException
+     * @internal param array $block_functs list of methods that are block format
+     */
+    public function register_object($object, $object_impl, $allowed = array(), $smarty_args = true, $block_methods = array()) {
+        settype($allowed, 'array');
+        settype($smarty_args, 'boolean');
+        $this->registerObject($object, $object_impl, $allowed, $smarty_args, $block_methods);
+    }
+
+    /**
+     * Unregisters object
+     *
+     * @param string $object name of template object
+     */
+    public function unregister_object($object) {
+        $this->unregisterObject($object);
+    }
+
+    /**
+     * Registers block function to be used in templates
+     *
+     * @param string $block name of template block
+     * @param string $block_impl PHP function to register
+     * @param bool $cacheable
+     * @param mixed $cache_attrs
+     */
+    public function register_block($block, $block_impl, $cacheable = true, $cache_attrs = null) {
+        $this->registerPlugin('block', $block, $block_impl, $cacheable, $cache_attrs);
+    }
+
+    /**
+     * Unregisters block function
+     *
+     * @param string $block name of template function
+     */
+    public function unregister_block($block) {
+        $this->unregisterPlugin('block', $block);
+    }
+
+    /**
+     * Registers compiler function
+     *
+     * @param string $function name of template function
+     * @param string $function_impl name of PHP function to register
+     * @param bool $cacheable
+     */
+    public function register_compiler_function($function, $function_impl, $cacheable = true) {
+        $this->registerPlugin('compiler', $function, $function_impl, $cacheable);
+    }
+
+    /**
+     * Unregisters compiler function
+     *
+     * @param string $function name of template function
+     */
+    public function unregister_compiler_function($function) {
+        $this->unregisterPlugin('compiler', $function);
+    }
+
+    /**
+     * Registers modifier to be used in templates
+     *
+     * @param string $modifier name of template modifier
+     * @param string $modifier_impl name of PHP function to register
+     */
+    public function register_modifier($modifier, $modifier_impl) {
+        $this->registerPlugin('modifier', $modifier, $modifier_impl);
+    }
+
+    /**
+     * Unregisters modifier
+     *
+     * @param string $modifier name of template modifier
+     */
+    public function unregister_modifier($modifier) {
+        $this->unregisterPlugin('modifier', $modifier);
+    }
+
+    /**
+     * Registers a resource to fetch a template
+     *
+     * @param string $type name of resource
+     * @param array $functions array of functions to handle resource
+     */
+    public function register_resource($type, $functions) {
+        $this->registerResource($type, $functions);
+    }
+
+    /**
+     * Unregisters a resource
+     *
+     * @param string $type name of resource
+     */
+    public function unregister_resource($type) {
+        $this->unregisterResource($type);
+    }
+
+    /**
+     * Registers a prefilter function to apply
+     * to a template before compiling
+     *
+     * @param callable $function
+     */
+    public function register_prefilter($function) {
+        $this->registerFilter('pre', $function);
+    }
+
+    /**
+     * Unregisters a prefilter function
+     *
+     * @param callable $function
+     */
+    public function unregister_prefilter($function) {
+        $this->unregisterFilter('pre', $function);
+    }
+
+    /**
+     * Registers a postfilter function to apply
+     * to a compiled template after compilation
+     *
+     * @param callable $function
+     */
+    public function register_postfilter($function) {
+        $this->registerFilter('post', $function);
+    }
+
+    /**
+     * Unregisters a postfilter function
+     *
+     * @param callable $function
+     */
+    public function unregister_postfilter($function) {
+        $this->unregisterFilter('post', $function);
+    }
+
+    /**
+     * Registers an output filter function to apply
+     * to a template output
+     *
+     * @param callable $function
+     */
+    public function register_outputfilter($function) {
+        $this->registerFilter('output', $function);
+    }
+
+    /**
+     * Unregisters an outputfilter function
+     *
+     * @param callable $function
+     */
+    public function unregister_outputfilter($function) {
+        $this->unregisterFilter('output', $function);
+    }
+
+    /**
+     * load a filter of specified type and name
+     *
+     * @param string $type filter type
+     * @param string $name filter name
+     */
+    public function load_filter($type, $name) {
+        $this->loadFilter($type, $name);
+    }
+
+    /**
+     * clear cached content for the given template and cache id
+     *
+     * @param  string $tpl_file name of template file
+     * @param  string $cache_id name of cache_id
+     * @param  string $compile_id name of compile_id
+     * @param  string $exp_time expiration time
+     *
+     * @return boolean
+     */
+    public function clear_cache($tpl_file = null, $cache_id = null, $compile_id = null, $exp_time = null) {
+        return $this->clearCache($tpl_file, $cache_id, $compile_id, $exp_time);
+    }
+
+    /**
+     * clear the entire contents of cache (all templates)
+     *
+     * @param  string $exp_time expire time
+     *
+     * @return boolean
+     */
+    public function clear_all_cache($exp_time = null) {
+        return $this->clearCache(null, null, null, $exp_time);
+    }
+
+    /**
+     * test to see if valid cache exists for this template
+     *
+     * @param  string $tpl_file name of template file
+     * @param  string $cache_id
+     * @param  string $compile_id
+     *
+     * @return boolean
+     */
+    public function is_cached($tpl_file, $cache_id = null, $compile_id = null) {
+        return $this->isCached($tpl_file, $cache_id, $compile_id);
+    }
+
+    /**
+     * clear all the assigned template variables.
+     */
+    public function clear_all_assign() {
+        $this->clearAllAssign();
+    }
+
+    /**
+     * clears compiled version of specified template resource,
+     * or all compiled template files if one is not specified.
+     * This function is for advanced use only, not normally needed.
+     *
+     * @param  string $tpl_file
+     * @param  string $compile_id
+     * @param  string $exp_time
+     *
+     * @return boolean results of {@link smarty_core_rm_auto()}
+     */
+    public function clear_compiled_tpl($tpl_file = null, $compile_id = null, $exp_time = null) {
+        return $this->clearCompiledTemplate($tpl_file, $compile_id, $exp_time);
+    }
+
+    /**
+     * Checks whether requested template exists.
+     *
+     * @param  string $tpl_file
+     *
+     * @return boolean
+     */
+    public function template_exists($tpl_file) {
+        return $this->templateExists($tpl_file);
+    }
+
+    /**
+     * Returns an array containing template variables
+     *
+     * @param  string $name
+     *
+     * @return array
+     */
+    public function get_template_vars($name = null) {
+        return $this->getTemplateVars($name);
+    }
+
+    /**
+     * Returns an array containing config variables
+     *
+     * @param  string $name
+     *
+     * @return array
+     */
+    public function get_config_vars($name = null) {
+        return $this->getConfigVars($name);
+    }
+
+    /**
+     * load configuration values
+     *
+     * @param string $file
+     * @param string $section
+     * @param string $scope
+     */
+    public function config_load($file, $section = null, $scope = 'global') {
+        $this->ConfigLoad($file, $section, $scope);
+    }
+
+    /**
+     * return a reference to a registered object
+     *
+     * @param  string $name
+     *
+     * @return object
+     */
+    public function get_registered_object($name) {
+        return $this->getRegisteredObject($name);
+    }
+
+    /**
+     * clear configuration values
+     *
+     * @param string $var
+     */
+    public function clear_config($var = null) {
+        $this->clearConfig($var);
+    }
+
+    /**
+     * trigger Smarty error
+     *
+     * @param string $error_msg
+     * @param integer $error_type
+     */
+    public function trigger_error($error_msg, $error_type = E_USER_WARNING) {
+        trigger_error("Smarty error: $error_msg", $error_type);
+    }
+}