diff --git a/library/smarty/libs/sysplugins/smarty_internal_debug.php b/library/smarty/libs/sysplugins/smarty_internal_debug.php
new file mode 100644
--- /dev/null
+++ b/library/smarty/libs/sysplugins/smarty_internal_debug.php
@@ -0,0 +1,408 @@
+<?php
+/**
+ * Smarty Internal Plugin Debug
+ * Class to collect data for the Smarty Debugging Console
+ *
+ * @package    Smarty
+ * @subpackage Debug
+ * @author     Uwe Tews
+ */
+
+/**
+ * Smarty Internal Plugin Debug Class
+ *
+ * @package    Smarty
+ * @subpackage Debug
+ */
+class Smarty_Internal_Debug extends Smarty_Internal_Data {
+    /**
+     * template data
+     *
+     * @var array
+     */
+    public static $template_data = array();
+
+    /**
+     * List of uid's which shall be ignored
+     *
+     * @var array
+     */
+    public static $ignore_uid = array();
+
+    /**
+     * Index of display() and fetch() calls
+     *
+     * @var int
+     */
+    public static $index = 0;
+
+    /**
+     * Counter for window offset
+     *
+     * @var int
+     */
+    public static $offset = 0;
+
+    /**
+     * Start logging template
+     *
+     * @param \Smarty_Internal_Template $template template
+     * @param null $mode true: display   false: fetch  null: subtemolate
+     */
+    public static function start_template(Smarty_Internal_Template $template, $mode = null) {
+        if (isset($mode)) {
+            self::$index++;
+            self::$offset++;
+            self::$template_data[self::$index] = null;
+        }
+        $key = self::get_key($template);
+        self::$template_data[self::$index][$key]['start_template_time'] = microtime(true);
+    }
+
+    /**
+     * End logging of cache time
+     *
+     * @param \Smarty_Internal_Template $template cached template
+     */
+    public static function end_template(Smarty_Internal_Template $template) {
+        $key = self::get_key($template);
+        self::$template_data[self::$index][$key]['total_time'] += microtime(true) - self::$template_data[self::$index][$key]['start_template_time'];
+        self::$template_data[self::$index][$key]['properties'] = $template->properties;
+    }
+
+    /**
+     * Start logging of compile time
+     *
+     * @param \Smarty_Internal_Template $template
+     */
+    public static function start_compile(Smarty_Internal_Template $template) {
+        static $_is_stringy = array('string' => true, 'eval' => true);
+        if (!empty($template->compiler->trace_uid)) {
+            $key = $template->compiler->trace_uid;
+            if (!isset(self::$template_data[self::$index][$key])) {
+                if (isset($_is_stringy[$template->source->type])) {
+                    self::$template_data[self::$index][$key]['name'] = '\'' . substr($template->source->name, 0, 25) . '...\'';
+                } else {
+                    self::$template_data[self::$index][$key]['name'] = $template->source->filepath;
+                }
+                self::$template_data[self::$index][$key]['compile_time'] = 0;
+                self::$template_data[self::$index][$key]['render_time'] = 0;
+                self::$template_data[self::$index][$key]['cache_time'] = 0;
+            }
+        } else {
+            if (isset(self::$ignore_uid[$template->source->uid])) {
+                return;
+            }
+            $key = self::get_key($template);
+        }
+        self::$template_data[self::$index][$key]['start_time'] = microtime(true);
+    }
+
+    /**
+     * End logging of compile time
+     *
+     * @param \Smarty_Internal_Template $template
+     */
+    public static function end_compile(Smarty_Internal_Template $template) {
+        if (!empty($template->compiler->trace_uid)) {
+            $key = $template->compiler->trace_uid;
+        } else {
+            if (isset(self::$ignore_uid[$template->source->uid])) {
+                return;
+            }
+
+            $key = self::get_key($template);
+        }
+        self::$template_data[self::$index][$key]['compile_time'] += microtime(true) - self::$template_data[self::$index][$key]['start_time'];
+    }
+
+    /**
+     * Start logging of render time
+     *
+     * @param \Smarty_Internal_Template $template
+     */
+    public static function start_render(Smarty_Internal_Template $template) {
+        $key = self::get_key($template);
+        self::$template_data[self::$index][$key]['start_time'] = microtime(true);
+    }
+
+    /**
+     * End logging of compile time
+     *
+     * @param \Smarty_Internal_Template $template
+     */
+    public static function end_render(Smarty_Internal_Template $template) {
+        $key = self::get_key($template);
+        self::$template_data[self::$index][$key]['render_time'] += microtime(true) - self::$template_data[self::$index][$key]['start_time'];
+    }
+
+    /**
+     * Start logging of cache time
+     *
+     * @param \Smarty_Internal_Template $template cached template
+     */
+    public static function start_cache(Smarty_Internal_Template $template) {
+        $key = self::get_key($template);
+        self::$template_data[self::$index][$key]['start_time'] = microtime(true);
+    }
+
+    /**
+     * End logging of cache time
+     *
+     * @param \Smarty_Internal_Template $template cached template
+     */
+    public static function end_cache(Smarty_Internal_Template $template) {
+        $key = self::get_key($template);
+        self::$template_data[self::$index][$key]['cache_time'] += microtime(true) - self::$template_data[self::$index][$key]['start_time'];
+    }
+
+    /**
+     * Register template object
+     *
+     * @param \Smarty_Internal_Template $template cached template
+     */
+    public static function register_template(Smarty_Internal_Template $template) {
+    }
+
+    /**
+     * Register data object
+     *
+     * @param \Smarty_Data $data data object
+     */
+    public static function register_data(Smarty_Data $data) {
+    }
+
+    /**
+     * Opens a window for the Smarty Debugging Console and display the data
+     *
+     * @param Smarty_Internal_Template|Smarty $obj object to debug
+     * @param bool $full
+     */
+    public static function display_debug($obj, $full = false) {
+        if (!$full) {
+            self::$offset++;
+            $savedIndex = self::$index;
+            self::$index = 9999;
+        }
+        if ($obj instanceof Smarty) {
+            $smarty = $obj;
+        } else {
+            $smarty = $obj->smarty;
+        }
+        // create fresh instance of smarty for displaying the debug console
+        // to avoid problems if the application did overload the Smarty class
+        $debObj = new Smarty();
+        // copy the working dirs from application
+        $debObj->setCompileDir($smarty->getCompileDir());
+        // init properties by hand as user may have edited the original Smarty class
+        $debObj->setPluginsDir(is_dir(__DIR__ . '/../plugins') ? __DIR__ . '/../plugins' : $smarty->getPluginsDir());
+        $debObj->force_compile = false;
+        $debObj->compile_check = true;
+        $debObj->left_delimiter = '{';
+        $debObj->right_delimiter = '}';
+        $debObj->security_policy = null;
+        $debObj->debugging = false;
+        $debObj->debugging_ctrl = 'NONE';
+        $debObj->error_reporting = E_ALL & ~E_NOTICE;
+        $debObj->debug_tpl = isset($smarty->debug_tpl) ? $smarty->debug_tpl : 'file:' . __DIR__ . '/../debug.tpl';
+        $debObj->registered_plugins = array();
+        $debObj->registered_resources = array();
+        $debObj->registered_filters = array();
+        $debObj->autoload_filters = array();
+        $debObj->default_modifiers = array();
+        $debObj->escape_html = true;
+        $debObj->caching = false;
+        $debObj->compile_id = null;
+        $debObj->cache_id = null;
+        // prepare information of assigned variables
+        $ptr = self::get_debug_vars($obj);
+        $_assigned_vars = $ptr->tpl_vars;
+        ksort($_assigned_vars);
+        $_config_vars = $ptr->config_vars;
+        ksort($_config_vars);
+        $debugging = $smarty->debugging;
+
+        $_template = new Smarty_Internal_Template($debObj->debug_tpl, $debObj);
+        if ($obj instanceof Smarty_Internal_Template) {
+            $_template->assign('template_name', $obj->source->type . ':' . $obj->source->name);
+        }
+        if ($obj instanceof Smarty || $full) {
+            $_template->assign('template_data', self::$template_data[self::$index]);
+        } else {
+            $_template->assign('template_data', null);
+        }
+        $_template->assign('assigned_vars', $_assigned_vars);
+        $_template->assign('config_vars', $_config_vars);
+        $_template->assign('execution_time', microtime(true) - $smarty->start_time);
+        $_template->assign('display_mode', $debugging == 2 || !$full);
+        $_template->assign('offset', self::$offset * 50);
+        echo $_template->fetch();
+        if (isset($full)) {
+            self::$index--;
+        }
+        if (!$full) {
+            self::$index = $savedIndex;
+        }
+    }
+
+    /**
+     * Recursively gets variables from all template/data scopes
+     *
+     * @param  Smarty_Internal_Template|Smarty_Data $obj object to debug
+     *
+     * @return StdClass
+     */
+    public static function get_debug_vars($obj) {
+        $config_vars = array();
+        foreach ($obj->config_vars as $key => $var) {
+            $config_vars[$key]['value'] = $var;
+            if ($obj instanceof Smarty_Internal_Template) {
+                $config_vars[$key]['scope'] = $obj->source->type . ':' . $obj->source->name;
+            } elseif ($obj instanceof Smarty_Data) {
+                $tpl_vars[$key]['scope'] = $obj->dataObjectName;
+            } else {
+                $config_vars[$key]['scope'] = 'Smarty object';
+            }
+        }
+        $tpl_vars = array();
+        foreach ($obj->tpl_vars as $key => $var) {
+            foreach ($var as $varkey => $varvalue) {
+                if ($varkey == 'value') {
+                    $tpl_vars[$key][$varkey] = $varvalue;
+                } else {
+                    if ($varkey == 'nocache') {
+                        if ($varvalue == true) {
+                            $tpl_vars[$key][$varkey] = $varvalue;
+                        }
+                    } else {
+                        if ($varkey != 'scope' || $varvalue !== 0) {
+                            $tpl_vars[$key]['attributes'][$varkey] = $varvalue;
+                        }
+                    }
+                }
+            }
+            if ($obj instanceof Smarty_Internal_Template) {
+                $tpl_vars[$key]['scope'] = $obj->source->type . ':' . $obj->source->name;
+            } elseif ($obj instanceof Smarty_Data) {
+                $tpl_vars[$key]['scope'] = $obj->dataObjectName;
+            } else {
+                $tpl_vars[$key]['scope'] = 'Smarty object';
+            }
+        }
+
+        if (isset($obj->parent)) {
+            $parent = self::get_debug_vars($obj->parent);
+            foreach ($parent->tpl_vars as $name => $pvar) {
+                if (isset($tpl_vars[$name]) && $tpl_vars[$name]['value'] === $pvar['value']) {
+                    $tpl_vars[$name]['scope'] = $pvar['scope'];
+                }
+            }
+            $tpl_vars = array_merge($parent->tpl_vars, $tpl_vars);
+
+            foreach ($parent->config_vars as $name => $pvar) {
+                if (isset($config_vars[$name]) && $config_vars[$name]['value'] === $pvar['value']) {
+                    $config_vars[$name]['scope'] = $pvar['scope'];
+                }
+            }
+            $config_vars = array_merge($parent->config_vars, $config_vars);
+        } else {
+            foreach (Smarty::$global_tpl_vars as $key => $var) {
+                if (!array_key_exists($key, $tpl_vars)) {
+                    foreach ($var as $varkey => $varvalue) {
+                        if ($varkey == 'value') {
+                            $tpl_vars[$key][$varkey] = $varvalue;
+                        } else {
+                            if ($varkey == 'nocache') {
+                                if ($varvalue == true) {
+                                    $tpl_vars[$key][$varkey] = $varvalue;
+                                }
+                            } else {
+                                if ($varkey != 'scope' || $varvalue !== 0) {
+                                    $tpl_vars[$key]['attributes'][$varkey] = $varvalue;
+                                }
+                            }
+                        }
+                    }
+                    $tpl_vars[$key]['scope'] = 'Global';
+                }
+            }
+        }
+
+        return (object)array('tpl_vars' => $tpl_vars, 'config_vars' => $config_vars);
+    }
+
+    /**
+     * Return key into $template_data for template
+     *
+     * @param \Smarty_Internal_Template $template template object
+     *
+     * @return string key into $template_data
+     */
+    private static function get_key(Smarty_Internal_Template $template) {
+        static $_is_stringy = array('string' => true, 'eval' => true);
+        // calculate Uid if not already done
+        if ($template->source->uid == '') {
+            $template->source->filepath;
+        }
+        $key = $template->source->uid;
+        if (isset(self::$template_data[self::$index][$key])) {
+            return $key;
+        } else {
+            if (isset($_is_stringy[$template->source->type])) {
+                self::$template_data[self::$index][$key]['name'] = '\'' . substr($template->source->name, 0, 25) . '...\'';
+            } else {
+                self::$template_data[self::$index][$key]['name'] = $template->source->filepath;
+            }
+            self::$template_data[self::$index][$key]['compile_time'] = 0;
+            self::$template_data[self::$index][$key]['render_time'] = 0;
+            self::$template_data[self::$index][$key]['cache_time'] = 0;
+            self::$template_data[self::$index][$key]['total_time'] = 0;
+
+            return $key;
+        }
+    }
+
+    /**
+     * Ignore template
+     *
+     * @param \Smarty_Internal_Template $template
+     */
+    public static function ignore(Smarty_Internal_Template $template) {
+        // calculate Uid if not already done
+        if ($template->source->uid == '') {
+            $template->source->filepath;
+        }
+        self::$ignore_uid[$template->source->uid] = true;
+    }
+
+    /**
+     * handle 'URL' debugging mode
+     *
+     * @param Smarty_Internal_Template $_template
+     */
+    public static function debugUrl(Smarty_Internal_Template $_template) {
+        if (isset($_SERVER['QUERY_STRING'])) {
+            $_query_string = $_SERVER['QUERY_STRING'];
+        } else {
+            $_query_string = '';
+        }
+        if (false !== strpos($_query_string, $_template->smarty->smarty_debug_id)) {
+            if (false !== strpos($_query_string, $_template->smarty->smarty_debug_id . '=on')) {
+                // enable debugging for this browser session
+                setcookie('SMARTY_DEBUG', true);
+                $_template->smarty->debugging = true;
+            } elseif (false !== strpos($_query_string, $_template->smarty->smarty_debug_id . '=off')) {
+                // disable debugging for this browser session
+                setcookie('SMARTY_DEBUG', false);
+                $_template->smarty->debugging = false;
+            } else {
+                // enable debugging for this page
+                $_template->smarty->debugging = true;
+            }
+        } else {
+            if (isset($_COOKIE['SMARTY_DEBUG'])) {
+                $_template->smarty->debugging = true;
+            }
+        }
+    }
+}