Changed codebase to PHP5 with autoloader + added some new classes from the devel-vnext branch

19 files changed, 2648 insertions, 1754 deletions

diff --git a/program/include/bugs.inc b/program/include/bugs.inc
index 9d98ef45b..78808c321 100644
--- a/program/include/bugs.inc
+++ b/program/include/bugs.inc
@@ -66,7 +66,7 @@ function raise_error($arg=array(), $log=false, $terminate=false)
  */
 function log_bug($arg_arr)
 {
-  global $CONFIG, $INSTALL_PATH;
+  global $CONFIG;
   $program = $arg_arr['type']=='xpath' ? 'XPath' : strtoupper($arg_arr['type']);
 
   // write error to local log file
@@ -81,7 +81,7 @@ function log_bug($arg_arr)
       $arg_arr['line']);
                  
     if (empty($CONFIG['log_dir']))
-      $CONFIG['log_dir'] = $INSTALL_PATH.'logs';
+      $CONFIG['log_dir'] = INSTALL_PATH.'logs';
       
     // try to open specific log file for writing
     if ($fp = @fopen($CONFIG['log_dir'].'/errors', 'a'))
diff --git a/program/include/html.php b/program/include/html.php
new file mode 100644
index 000000000..8af1b1f9d
--- /dev/null
+++ b/program/include/html.php
@@ -0,0 +1,642 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/include/html.php                                              |
+ |                                                                       |
+ | This file is part of the RoundCube Webmail client                     |
+ | Copyright (C) 2005-2008, RoundCube Dev, - Switzerland                 |
+ | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Helper class to create valid XHTML code                             |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+
+ $Id: $
+
+ */
+
+
+/**
+ * Class for HTML code creation
+ *
+ * @package HTML
+ */
+class html
+{
+    protected $tagname;
+    protected $attrib = array();
+    protected $allowed;
+    protected $content;
+
+    protected static $common_attrib = array('id','class','style','title','align');
+    public static $containers = array('div','span','p','h1','h2','h3','form','textarea');
+    public static $lc_tags = true;
+
+    /**
+     * Constructor
+     *
+     * @param array Hash array with tag attributes
+     */
+    public function __construct($attrib = array())
+    {
+        if (is_array($attrib)) {
+            $this->attrib = $attrib;
+        }
+    }
+
+    /**
+     * Return the tag code
+     *
+     * @return string The finally composed HTML tag
+     */
+    public function show()
+    {
+        return self::tag($this->tagname, $this->attrib, $this->content, $this->allowed);
+    }
+
+    /****** STATIC METHODS *******/
+
+    /**
+     * Generic method to create a HTML tag
+     *
+     * @param string Tag name
+     * @param array  Tag attributes as key/value pairs
+     * @param string Optinal Tag content (creates a container tag)
+     * @param array  List with allowed attributes, omit to allow all
+     * @return string The XHTML tag
+     */
+    public static function tag($tagname, $attrib = array(), $content = null, $allowed_attrib = null)
+    {
+        $inline_tags = array('a','span','img');
+        $suffix = $attrib['nl'] || ($content && $attrib['nl'] !== false && !in_array($tagname, $inline_tags)) ? "\n" : '';
+
+        $tagname = self::$lc_tags ? strtolower($tagname) : $tagname;
+        if ($content || in_array($tagname, self::$containers)) {
+            $templ = $attrib['noclose'] ? "<%s%s>%s" : "<%s%s>%s</%s>%s";
+            unset($attrib['noclose']);
+            return sprintf($templ, $tagname, self::attrib_string($attrib, $allowed_attrib), $content, $tagname, $suffix);
+        }
+        else {
+            return sprintf("<%s%s />%s", $tagname, self::attrib_string($attrib, $allowed_attrib), $suffix);
+        }
+    }
+
+    /**
+     * Derrived method for <div> containers
+     *
+     * @param mixed  Hash array with tag attributes or string with class name
+     * @param string Div content
+     * @return string HTML code
+     * @see html::tag()
+     */
+    public static function div($attr = null, $cont = null)
+    {
+        if (is_string($attr)) {
+            $attr = array('class' => $attr);
+        }
+        return self::tag('div', $attr, $cont, self::$common_attrib);
+    }
+
+    /**
+     * Derrived method for <p> blocks
+     *
+     * @param mixed  Hash array with tag attributes or string with class name
+     * @param string Paragraph content
+     * @return string HTML code
+     * @see html::tag()
+     */
+    public static function p($attr = null, $cont = null)
+    {
+        if (is_string($attr)) {
+            $attr = array('class' => $attr);
+        }
+        return self::tag('p', $attr, $cont, self::$common_attrib);
+    }
+
+    /**
+     * Derrived method to create <img />
+     *
+     * @param mixed Hash array with tag attributes or string with image source (src)
+     * @return string HTML code
+     * @see html::tag()
+     */
+    public static function img($attr = null)
+    {
+        if (is_string($attr)) {
+            $attr = array('src' => $attr);
+        }
+        return self::tag('img', $attr + array('alt' => ''), null, array_merge(self::$common_attrib, array('src','alt','width','height','border','usemap')));
+    }
+
+    /**
+     * Derrived method for link tags
+     *
+     * @param mixed  Hash array with tag attributes or string with link location (href)
+     * @param string Link content
+     * @return string HTML code
+     * @see html::tag()
+     */
+    public static function a($attr, $cont)
+    {
+        if (is_string($attr)) {
+            $attr = array('href' => $attr);
+        }
+        return self::tag('a', $attr, $cont, array_merge(self::$common_attrib, array('href','target','name','onclick','onmouseover','onmouseout')));
+    }
+
+    /**
+     * Derrived method for inline span tags
+     *
+     * @param mixed  Hash array with tag attributes or string with class name
+     * @param string Tag content
+     * @return string HTML code
+     * @see html::tag()
+     */
+    public static function span($attr, $cont)
+    {
+        if (is_string($attr)) {
+            $attr = array('class' => $attr);
+        }
+        return self::tag('span', $attr, $cont, self::$common_attrib);
+    }
+
+    /**
+     * Derrived method for form element labels
+     *
+     * @param mixed  Hash array with tag attributes or string with 'for' attrib
+     * @param string Tag content
+     * @return string HTML code
+     * @see html::tag()
+     */
+    public static function label($attr, $cont)
+    {
+        if (is_string($attr)) {
+            $attr = array('for' => $attr);
+        }
+        return self::tag('label', $attr, $cont, array_merge(self::$common_attrib, array('for')));
+    }
+
+    /**
+     * Derrived method for line breaks
+     *
+     * @return string HTML code
+     * @see html::tag()
+     */
+    public static function br()
+    {
+        return self::tag('br');
+    }
+
+    /**
+     * Create string with attributes
+     *
+     * @param array Associative arry with tag attributes
+     * @param array List of allowed attributes
+     * @return string Valid attribute string
+     */
+    public static function attrib_string($attrib = array(), $allowed = null)
+    {
+        if (empty($attrib)) {
+            return '';
+        }
+
+        $allowed_f = array_flip((array)$allowed);
+        $attrib_arr = array();
+        foreach ($attrib as $key => $value) {
+            // skip size if not numeric
+            if (($key=='size' && !is_numeric($value))) {
+                continue;
+            }
+
+            // ignore "internal" or not allowed attributes
+            if ($key == 'nl' || ($allowed && !isset($allowed_f[$key])) || $value === null) {
+                continue;
+            }
+
+            // skip empty eventhandlers
+            if (preg_match('/^on[a-z]+/', $key) && !$value) {
+                continue;
+            }
+
+            // attributes with no value
+            if (in_array($key, array('checked', 'multiple', 'disabled', 'selected'))) {
+                if ($value) {
+                    $attrib_arr[] = sprintf('%s="%s"', $key, $key);
+                }
+            }
+            else if ($key=='value') {
+                $attrib_arr[] = sprintf('%s="%s"', $key, Q($value, 'strict', false));
+            }
+            else {
+                $attrib_arr[] = sprintf('%s="%s"', $key, Q($value));
+            }
+        }
+        return count($attrib_arr) ? ' '.implode(' ', $attrib_arr) : '';
+    }
+}
+
+/**
+ * Class to create an HTML input field
+ *
+ * @package HTML
+ */
+class html_inputfield extends html
+{
+    protected $tagname = 'input';
+    protected $type = 'text';
+
+    public function __construct($attrib = array())
+    {
+        if (is_array($attrib)) {
+            $this->attrib = $attrib;
+        }
+
+        if ($attrib['type']) {
+            $this->type = $attrib['type'];
+        }
+
+        if ($attrib['newline']) {
+            $this->newline = true;
+        }
+    }
+
+    /**
+     * Compose input tag
+     *
+     * @param string Field value
+     * @param array Additional attributes to override
+     * @return string HTML output
+     */
+    public function show($value = null, $attrib = null)
+    {
+        // overwrite object attributes
+        if (is_array($attrib)) {
+            $this->attrib = array_merge($this->attrib, $attrib);
+        }
+
+        // set value attribute
+        if ($value !== null) {
+            $this->attrib['value'] = $value;
+        }
+        // set type
+        $this->attrib['type'] = $this->type;
+        return parent::show();
+    }
+}
+
+/**
+ * Class to create an HTML password field
+ *
+ * @package HTML
+ */
+class html_passwordfield extends html_inputfield
+{
+    protected $type = 'password';
+}
+
+/**
+ * Class to create an hidden HTML input field
+ *
+ * @package HTML
+ */
+
+class html_hiddenfield extends html_inputfield
+{
+    protected $type = 'hidden';
+    protected $fields_arr = array();
+    protected $newline = true;
+
+    /**
+     * Constructor
+     *
+     * @param array Named tag attributes
+     */
+    public function __construct($attrib = null)
+    {
+        if (is_array($attrib)) {
+            $this->add($attrib);
+        }
+    }
+
+    /**
+     * Add a hidden field to this instance
+     *
+     * @param array Named tag attributes
+     */
+    public function add($attrib)
+    {
+        $this->fields_arr[] = $attrib;
+    }
+
+    /**
+     * Create HTML code for the hidden fields
+     *
+     * @return string Final HTML code
+     */
+    public function show()
+    {
+        $out = '';
+        foreach ($this->fields_arr as $attrib) {
+            $out .= self::tag($this->tagname, array('type' => $this->type) + $attrib);
+        }
+        return $out;
+    }
+}
+
+/**
+ * Class to create HTML radio buttons
+ *
+ * @package HTML
+ */
+class html_radiobutton extends html_inputfield
+{
+    protected $type = 'radio';
+
+    /**
+     * Get HTML code for this object
+     *
+     * @param string Value of the checked field
+     * @param array Additional attributes to override
+     * @return string HTML output
+     */
+    public function show($value = '', $attrib = null)
+    {
+        // overwrite object attributes
+        if (is_array($attrib)) {
+            $this->attrib = array_merge($this->attrib, $attrib);
+        }
+
+        // set value attribute
+        $this->attrib['checked'] = ($value && (string)$value == (string)$this->attrib['value']);
+
+        return parent::show();
+    }
+}
+
+/**
+ * Class to create HTML checkboxes
+ *
+ * @package HTML
+ */
+class html_checkbox extends html_inputfield
+{
+    protected $type = 'checkbox';
+
+    /**
+     * Get HTML code for this object
+     *
+     * @param string Value of the checked field
+     * @param array Additional attributes to override
+     * @return string HTML output
+     */
+    public function show($value = '', $attrib = null)
+    {
+        // overwrite object attributes
+        if (is_array($attrib)) {
+            $this->attrib = array_merge($this->attrib, $attrib);
+        }
+
+        // set value attribute
+        $this->attrib['checked'] = ($value && (string)$value == (string)$this->attrib['value']);
+
+        return parent::show();
+    }
+}
+
+/**
+ * Class to create an HTML textarea
+ *
+ * @package HTML
+ */
+class html_textarea extends html
+{
+    protected $tagname = 'textarea';
+    protected $allowed_attrib = array('name','rows','cols','wrap');
+
+    /**
+     * Get HTML code for this object
+     *
+     * @param string Textbox value
+     * @param array Additional attributes to override
+     * @return string HTML output
+     */
+    public function show($value = '', $attrib = null)
+    {
+        // overwrite object attributes
+        if (is_array($attrib)) {
+            $this->attrib = array_merge($this->attrib, $attrib);
+        }
+
+        // take value attribute as content
+        if ($value == '') {
+            $value = $this->attrib['value'];
+        }
+
+        // make shure we don't print the value attribute
+        if (isset($this->attrib['value'])) {
+            unset($this->attrib['value']);
+        }
+
+        if (!empty($value) && !isset($this->attrib['mce_editable'])) {
+            $value = Q($value, 'strict', FALSE);
+        }
+        return self::tag($this->tagname, $this->attrib, Q($value), array_merge(self::$common_attrib, $this->allowed_attrib));
+    }
+}
+
+/**
+ * Builder for HTML drop-down menus
+ * Syntax:<pre>
+ * // create instance. arguments are used to set attributes of select-tag
+ * $select = new html_select(array('name' => 'fieldname'));
+ *
+ * // add one option
+ * $select->add('Switzerland', 'CH');
+ *
+ * // add multiple options
+ * $select->add(array('Switzerland','Germany'), array('CH','DE'));
+ *
+ * // generate pulldown with selection 'Switzerland'  and return html-code
+ * // as second argument the same attributes available to instanciate can be used
+ * print $select->show('CH');
+ * </pre>
+ *
+ * @package HTML
+ */
+class html_select extends html
+{
+    protected $tagname = 'select';
+    protected $options = array();
+    
+    /**
+     * Add a new option to this drop-down
+     *
+     * @param mixed Option name or array with option names
+     * @param mixed Option value or array with option values
+     */
+    public function add($names, $values = null)
+    {
+        if (is_array($names)) {
+            foreach ($names as $i => $text) {
+                $this->options[] = array('text' => $text, 'value' => $values[$i]);
+            }
+        }
+        else {
+            $this->options[] = array('text' => $names, 'value' => $values);
+        }
+    }
+
+
+    /**
+     * Get HTML code for this object
+     *
+     * @param string Value of the selection option
+     * @param array Additional attributes to override
+     * @return string HTML output
+     */
+    public function show($select = array(), $attrib = null)
+    {
+        // overwrite object attributes
+        if (is_array($attrib)) {
+            $this->attrib = array_merge($this->attrib, $attrib);
+        }
+
+        $this->content = "\n";
+        $select = (array)$select;
+        foreach ($this->options as $option) {
+            $attr = array(
+                'value' => $option['value'],
+                'selected' => ((!empty($option['value']) && in_array($option['value'], $select, true)) ||
+            (in_array($option['text'], $select, TRUE))) ? 1 : null);
+
+            $this->content .= self::tag('option', $attr, Q($option['text']));
+        }
+        return parent::show();
+    }
+}
+
+
+/**
+ * Class to build an HTML table
+ *
+ * @package HTML
+ */
+class html_table extends html
+{
+    protected $tagname = 'table';
+    protected $allowed = array('id','class','style','width','summary','cellpadding','cellspacing','border');
+    private $header = array();
+    private $rows = array();
+    private $rowindex = 0;
+    private $colindex = 0;
+
+
+    public function __construct($attrib = array())
+    {
+        $this->attrib = array_merge($attrib, array('summary' => '', 'border' => 0));
+    }
+
+    /**
+     * Add a table cell
+     *
+     * @param array Cell attributes
+     * @param string Cell content
+     */
+    public function add($attr, $cont)
+    {
+        if (is_string($attr)) {
+            $attr = array('class' => $attr);
+        }
+
+        $cell = new stdClass;
+        $cell->attrib = $attr;
+        $cell->content = $cont;
+
+        $this->rows[$this->rowindex]->cells[$this->colindex] = $cell;
+        $this->colindex++;
+
+        if ($this->attrib['cols'] && $this->colindex == $this->attrib['cols']) {
+            $this->add_row();
+        }
+    }
+
+    /**
+     * Add a table header cell
+     *
+     * @param array Cell attributes
+     * @param string Cell content
+     */
+    private function add_header($attr, $cont)
+    {
+        if (is_string($attr))
+        $attr = array('class' => $attr);
+
+        $cell = new stdClass;
+        $cell->attrib = $attr;
+        $cell->content = $cont;
+        $this->header[] = $cell;
+    }
+
+    /**
+     * Jump to next row
+     *
+     * @param array Row attributes
+     */
+    private function add_row($attr = array())
+    {
+        $this->rowindex++;
+        $this->colindex = 0;
+        $this->rows[$this->rowindex] = new stdClass;
+        $this->rows[$this->rowindex]->attrib = $attr;
+        $this->rows[$this->rowindex]->cells = array();
+    }
+
+
+    /**
+     * Build HTML output of the table data
+     *
+     * @param array Table attributes
+     * @return string The final table HTML code
+     */
+    public function show($attr = array())
+    {
+        $this->attrib = array_merge($this->attrib, $attr);
+        $thead = $tbody = "";
+
+        // include <thead>
+        if (!empty($this->header)) {
+            $rowcontent = '';
+            foreach ($this->header as $c => $col) {
+                $rowcontent .= self::tag('th', $col->attrib, $col->content);
+            }
+            $thead = self::tag('thead', null, self::tag('tr', null, $rowcontent));
+        }
+
+        foreach ($this->rows as $r => $row) {
+            $rowcontent = '';
+            foreach ($row->cells as $c => $col) {
+                $rowcontent .= self::tag('td', $col->attrib, $col->content);
+            }
+
+            if ($r < $this->rowindex || count($row->cells)) {
+                $tbody .= self::tag('tr', $rows->attrib, $rowcontent);
+            }
+        }
+
+        if ($this->attrib['rowsonly']) {
+            return $tbody;
+        }
+
+        // add <tbody>
+        $this->content = $thead . self::tag('tbody', null, $tbody);
+
+        unset($this->attrib['cols'], $this->attrib['rowsonly']);
+        return parent::show();
+    }
+}
+
+?>
\ No newline at end of file
diff --git a/program/include/iniset.php b/program/include/iniset.php
new file mode 100755
index 000000000..926b2826f
--- /dev/null
+++ b/program/include/iniset.php
@@ -0,0 +1,98 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/include/iniset.inc                                            |
+ |                                                                       |
+ | This file is part of the RoundCube Webmail client                     |
+ | Copyright (C) 2008, RoundCube Dev, - Switzerland                      |
+ | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Setup the application envoronment required to process               |
+ |   any request.                                                        |
+ +-----------------------------------------------------------------------+
+ | Author: Till Klampaeckel <till@php.net>                               |
+ |         Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+
+ $Id: cache.inc 88 2005-12-03 16:54:12Z roundcube $
+
+*/
+
+
+// application constants
+define('RCMAIL_VERSION', '0.1-trunk');
+define('RCMAIL_CHARSET', 'UTF-8');
+define('JS_OBJECT_NAME', 'rcmail');
+
+if (!defined('INSTALL_PATH')) {
+  define('INSTALL_PATH', dirname($_SERVER['SCRIPT_FILENAME']).'/');
+}
+
+// make sure path_separator is defined
+if (!defined('PATH_SEPARATOR')) {
+  define('PATH_SEPARATOR', (eregi('win', PHP_OS) ? ';' : ':'));
+}
+
+// RC include folders MUST be included FIRST to avoid other
+// possible not compatible libraries (i.e PEAR) to be included
+// instead the ones provided by RC
+$include_path = INSTALL_PATH . PATH_SEPARATOR;
+$include_path.= INSTALL_PATH . 'program' . PATH_SEPARATOR;
+$include_path.= INSTALL_PATH . 'program/lib' . PATH_SEPARATOR;
+$include_path.= INSTALL_PATH . 'program/include' . PATH_SEPARATOR;
+$include_path.= ini_get('include_path');
+
+if (set_include_path($include_path) === false) {
+  die('Fatal error: ini_set/set_include_path does not work.');
+}
+
+ini_set('session.name', 'roundcube_sessid');
+ini_set('session.use_cookies', 1);
+ini_set('session.gc_maxlifetime', 21600);
+ini_set('session.gc_divisor', 500);
+ini_set('error_reporting', E_ALL&~E_NOTICE);
+set_magic_quotes_runtime(0);
+
+// increase maximum execution time for php scripts
+// (does not work in safe mode)
+if (!ini_get('safe_mode')) {
+  set_time_limit(120);
+}
+
+/**
+ * Use PHP5 autoload for dynamic class loading
+ * 
+ * @todo Make Zend, PEAR etc play with this
+ */
+function __autoload($classname)
+{
+  $filename = preg_replace(
+      array('/MDB2_(.+)/', '/Mail_(.+)/', '/^html_.+/', '/^utf8$/'),
+      array('MDB2/\\1', 'Mail/\\1', 'html', 'utf8.class'),
+      $classname
+  );
+  include_once $filename. '.php';
+}
+
+/**
+ * Local callback function for PEAR errors
+ */
+function rcube_pear_error($err)
+{
+  error_log(sprintf("%s (%s): %s",
+    $err->getMessage(),
+    $err->getCode(),
+    $err->getUserinfo()), 0);
+}
+
+// include global functions
+require_once 'include/bugs.inc';
+require_once 'include/main.inc';
+require_once 'include/rcube_shared.inc';
+
+
+// set PEAR error handling (will also load the PEAR main class)
+PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, 'rcube_pear_error');
+
diff --git a/program/include/main.inc b/program/include/main.inc
index 649dd25e9..6d548d8e5 100644
--- a/program/include/main.inc
+++ b/program/include/main.inc
@@ -27,9 +27,7 @@
  */
 
 require_once('lib/utf7.inc');
-require_once('include/rcube_user.inc');
 require_once('include/rcube_shared.inc');
-require_once('include/rcmail_template.inc');
 
 // fallback if not PHP modules are available
 @include_once('lib/des.inc');
@@ -50,15 +48,12 @@ define('RCUBE_INPUT_GPC', 0x0103);
 function rcmail_startup($task='mail')
   {
   global $sess_id, $sess_user_lang;
-  global $CONFIG, $INSTALL_PATH, $BROWSER, $OUTPUT, $_SESSION, $IMAP, $DB, $USER;
+  global $CONFIG, $OUTPUT, $IMAP, $DB, $USER;
 
   // start output buffering, we don't need any output yet, 
   // it'll be cleared after reading of config files, etc.
   ob_start();
 
-  // check client
-  $BROWSER = rcube_browser();
-
   // load configuration
   $CONFIG = rcmail_load_config();
 
@@ -74,10 +69,9 @@ function rcmail_startup($task='mail')
   // prepare DB connection
   $dbwrapper = empty($CONFIG['db_backend']) ? 'db' : $CONFIG['db_backend'];
   $dbclass = "rcube_" . $dbwrapper;
-  require_once("include/$dbclass.inc");
   
   $DB = new $dbclass($CONFIG['db_dsnw'], $CONFIG['db_dsnr'], $CONFIG['db_persistent']);
-  $DB->sqlite_initials = $INSTALL_PATH.'SQL/sqlite.initial.sql';
+  $DB->sqlite_initials = INSTALL_PATH.'SQL/sqlite.initial.sql';
   $DB->set_debug((bool)$CONFIG['sql_debug']);
   $DB->db_connect('w');
 
@@ -136,8 +130,6 @@ function rcmail_startup($task='mail')
  */
 function rcmail_load_config()
   {
-  global $INSTALL_PATH;
-
   // load config file
   include_once('config/main.inc.php');
   $conf = is_array($rcmail_config) ? $rcmail_config : array();
@@ -152,7 +144,7 @@ function rcmail_load_config()
   $conf = array_merge($conf, $rcmail_config);
 
   if (empty($conf['log_dir']))
-    $conf['log_dir'] = $INSTALL_PATH.'logs';
+    $conf['log_dir'] = INSTALL_PATH.'logs';
   else
     $conf['log_dir'] = unslashify($conf['log_dir']);
 
@@ -427,11 +419,10 @@ function get_sequence_name($sequence)
  */
 function rcube_language_prop($lang, $prop='lang')
   {
-  global $INSTALL_PATH;
   static $rcube_languages, $rcube_language_aliases, $rcube_charsets;
 
   if (empty($rcube_languages))
-    @include($INSTALL_PATH.'program/localization/index.inc');
+    @include(INSTALL_PATH.'program/localization/index.inc');
     
   // check if we have an alias for that language
   if (!isset($rcube_languages[$lang]) && isset($rcube_language_aliases[$lang]))
@@ -451,7 +442,7 @@ function rcube_language_prop($lang, $prop='lang')
   if (isset($rcube_charsets[$lang]))
     $charset = $rcube_charsets[$lang];
   else
-    $charset = 'UTF-8';    
+    $charset = 'UTF-8';
 
 
   if ($prop=='charset')
@@ -467,18 +458,15 @@ function rcube_language_prop($lang, $prop='lang')
  * environment vars according to the current session and configuration
  */
 function rcmail_load_gui()
-  {
+{
   global $CONFIG, $OUTPUT, $sess_user_lang;
 
   // init output page
-  $OUTPUT = new rcmail_template($CONFIG, $GLOBALS['_task']);
+  $OUTPUT = new rcube_template($CONFIG, $GLOBALS['_task']);
   $OUTPUT->set_env('comm_path', $GLOBALS['COMM_PATH']);
 
-  if (is_array($CONFIG['javascript_config']))
-  {
-    foreach ($CONFIG['javascript_config'] as $js_config_var)
-      $OUTPUT->set_env($js_config_var, $CONFIG[$js_config_var]);
-  }
+  foreach (array('read_when_deleted', 'flag_for_deletion') as $js_config_var)
+    $OUTPUT->set_env($js_config_var, $CONFIG[$js_config_var]);
 
   if (!empty($GLOBALS['_framed']))
     $OUTPUT->set_env('framed', true);
@@ -490,19 +478,23 @@ function rcmail_load_gui()
   if (!empty($CONFIG['charset']))
     $OUTPUT->set_charset($CONFIG['charset']);
     
-  // register common UI objects
-  $OUTPUT->add_handlers(array(
-    'loginform' => 'rcmail_login_form',
-    'username'  => 'rcmail_current_username',
-    'message' => 'rcmail_message_container',
-    'charsetselector' => 'rcmail_charset_selector',
-  ));
-
   // add some basic label to client
-  if (!$OUTPUT->ajax_call)
-    rcube_add_label('loading', 'movingmessage');
-  }
+  $OUTPUT->add_label('loading', 'movingmessage');
+}
 
+/**
+ * Create an output object for JSON responses
+ */
+function rcmail_init_json()
+{
+  global $CONFIG, $OUTPUT;
+  
+  // init output object
+  $OUTPUT = new rcube_json_output($CONFIG, $GLOBALS['_task']);
+
+  // set locale setting
+  rcmail_set_locale($sess_user_lang);
+}
 
 /**
  * Set localization charset based on the given language.
@@ -878,18 +870,18 @@ function get_des_key()
  */
 function rcube_list_languages()
   {
-  global $CONFIG, $INSTALL_PATH;
+  global $CONFIG;
   static $sa_languages = array();
 
   if (!sizeof($sa_languages))
     {
-    @include($INSTALL_PATH.'program/localization/index.inc');
+    @include(INSTALL_PATH.'program/localization/index.inc');
 
-    if ($dh = @opendir($INSTALL_PATH.'program/localization'))
+    if ($dh = @opendir(INSTALL_PATH.'program/localization'))
       {
       while (($name = readdir($dh)) !== false)
         {
-        if ($name{0}=='.' || !is_dir($INSTALL_PATH.'program/localization/'.$name))
+        if ($name{0}=='.' || !is_dir(INSTALL_PATH.'program/localization/'.$name))
           continue;
 
         if ($label = $rcube_languages[$name])
@@ -904,6 +896,7 @@ function rcube_list_languages()
 
 /**
  * Add a localized label to the client environment
+ * @deprecated
  */
 function rcube_add_label()
   {
@@ -911,7 +904,7 @@ function rcube_add_label()
   
   $arg_list = func_get_args();
   foreach ($arg_list as $i => $name)
-    $OUTPUT->command('add_label', $name, rcube_label($name));
+    $OUTPUT->add_label($name);
   }
 
 
@@ -1135,7 +1128,7 @@ function rep_specialchars_output($str, $enctype='', $mode='', $newlines=TRUE)
     if ($OUTPUT->get_charset()!='UTF-8')
       $str = rcube_charset_convert($str, RCMAIL_CHARSET, $OUTPUT->get_charset());
       
-    return preg_replace(array("/\r?\n/", "/\r/"), array('\n', '\n'), addslashes(strtr($str, $js_rep_table)));
+    return preg_replace(array("/\r?\n/", "/\r/", '/<\\//'), array('\n', '\n', '<\\/'), addslashes(strtr($str, $js_rep_table)));
     }
 
   // no encoding given -> return original string
@@ -1261,16 +1254,6 @@ function template_exists($name)
 
 
 /**
- * Wrapper for rcmail_template::parse()
- * @deprecated
- */
-function parse_template($name='main', $exit=true)
-  {
-  $GLOBALS['OUTPUT']->parse($name, $exit);
-  }
-
-
-/**
  * Create a HTML table based on the given data
  *
  * @param  array  Named table attributes
@@ -1360,15 +1343,15 @@ function rcmail_get_edit_field($col, $value, $attrib, $type='text')
   if ($type=='checkbox')
     {
     $attrib['value'] = '1';
-    $input = new checkbox($attrib);
+    $input = new html_checkbox($attrib);
     }
   else if ($type=='textarea')
     {
     $attrib['cols'] = $attrib['size'];
-    $input = new textarea($attrib);
+    $input = new html_textarea($attrib);
     }
   else
-    $input = new textfield($attrib);
+    $input = new html_inputfield($attrib);
 
   // use value from post
   if (!empty($_POST[$fname]))
@@ -1645,7 +1628,7 @@ function console($msg)
  */
 function write_log($name, $line)
   {
-  global $CONFIG, $INSTALL_PATH;
+  global $CONFIG;
 
   if (!is_string($line))
     $line = var_export($line, true);
@@ -1655,7 +1638,7 @@ function write_log($name, $line)
                  $line);
                  
   if (empty($CONFIG['log_dir']))
-    $CONFIG['log_dir'] = $INSTALL_PATH.'logs';
+    $CONFIG['log_dir'] = INSTALL_PATH.'logs';
       
   // try to open specific log file for writing
   if ($fp = @fopen($CONFIG['log_dir'].'/'.$name, 'a'))    
diff --git a/program/include/rcmail_template.inc b/program/include/rcmail_template.inc
deleted file mode 100644
index 301b3f20d..000000000
--- a/program/include/rcmail_template.inc
+++ /dev/null
@@ -1,948 +0,0 @@
-<?php
-
-/*
- +-----------------------------------------------------------------------+
- | program/include/rcmail_template.inc                                   |
- |                                                                       |
- | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2007, RoundCube Dev. - Switzerland                      |
- | Licensed under the GNU GPL                                            |
- |                                                                       |
- | PURPOSE:                                                              |
- |   Class to handle HTML page output using a skin template.             |
- |   Extends rcube_html_page class from rcube_html.inc                   |
- |                                                                       |
- +-----------------------------------------------------------------------+
- | Author: Thomas Bruederli <roundcube@gmail.com>                        |
- +-----------------------------------------------------------------------+
-
- $Id:  $
-
-*/
-
-
-/**
- * Classes and functions for HTML output
- *
- * @package View
- */
-
-require_once('include/rcube_html.inc');
-
-
-/**
- * Class to create HTML page output using a skin template
- */
-class rcmail_template extends rcube_html_page
-{
-  var $config;
-  var $task = '';
-  var $framed = false;
-  var $ajax_call = false;
-  var $pagetitle = '';
-  var $env = array();
-  var $js_env = array();
-  var $js_commands = array();
-  var $object_handlers = array();
-
-
-  /**
-   * Constructor
-   *
-   * @param array Configuration array
-   * @param string Current task
-   */
-  function __construct(&$config, $task)
-  {
-    $this->task = $task;
-    $this->config = $config;
-    $this->ajax_call = !empty($_GET['_remote']) || !empty($_POST['_remote']);
-    
-    // add common javascripts
-    if (!$this->ajax_call)
-    {
-      $javascript = "var ".JS_OBJECT_NAME." = new rcube_webmail();";
-
-      // don't wait for page onload. Call init at the bottom of the page (delayed)
-      $javascript_foot = "if (window.call_init)\n call_init('".JS_OBJECT_NAME."');";
-
-      $this->add_script($javascript, 'head_top');
-      $this->add_script($javascript_foot, 'foot');
-      $this->scripts_path = 'program/js/';
-      $this->include_script('common.js');
-      $this->include_script('app.js');
-    }
-  }
-
-  /**
-   * PHP 4 compatibility
-   * @see rcmail_template::__construct()
-   */
-  function rcmail_template(&$config, $task)
-  {
-    $this->__construct($config, $task);
-  }
-  
-  
-  /**
-   * Set environment variable
-   *
-   * @param string Property name
-   * @param mixed Property value
-   * @param boolean True if this property should be added to client environment
-   */
-  function set_env($name, $value, $addtojs=true)
-  {
-    $this->env[$name] = $value;
-    if ($addtojs || isset($this->js_env[$name]))
-      $this->js_env[$name] = $value;
-  }
-
-
-  /**
-   * Set page title variable
-   */
-  function set_pagetitle($title)
-  {
-    $this->pagetitle = $title;
-  }
-
-
-  /**
-   * Register a template object handler
-   *
-   * @param string Object name
-   * @param string Function name to call
-   */
-  function add_handler($obj, $func)
-  {
-    $this->object_handlers[$obj] = $func;
-  }
-
-  /**
-   * Register a list of template object handlers
-   *
-   * @param array Hash array with object=>handler pairs
-   */
-  function add_handlers($arr)
-  {
-    $this->object_handlers = array_merge($this->object_handlers, $arr);
-  }
-
-  /**
-   * Register a GUI object to the client script
-   *
-   * @param string Object name
-   * @param string Object ID
-   */
-  function add_gui_object($obj, $id)
-  {
-    $this->add_script(JS_OBJECT_NAME.".gui_object('$obj', '$id');");
-  }
-
-
-  /**
-   * Call a client method
-   *
-   * @param string Method to call
-   * @param ... Additional arguments
-   */
-  function command()
-  {
-    $this->js_commands[] = func_get_args();
-  }
-
-
-  /**
-   * Invoke display_message command
-   *
-   * @param string Message to display
-   * @param string Message type [notice|confirm|error]
-   * @param array Key-value pairs to be replaced in localized text
-   */
-  function show_message($message, $type='notice', $vars=NULL)
-  {
-    $this->command(
-      'display_message',
-      rcube_label(array('name' => $message, 'vars' => $vars)),
-      $type);
-  }
-
-
-  /**
-   * Delete all stored env variables and commands
-   */
-  function reset()
-  {
-    $this->env = array();
-    $this->js_env = array();
-    $this->js_commands = array();
-    $this->object_handlers = array();    
-    parent::reset();
-  }
-
-  /**
-   * Send the request output to the client.
-   * This will either parse a skin tempalte or send an AJAX response
-   *
-   * @param string  Template name
-   * @param boolean True if script should terminate (default)
-   */
-  function send($templ=null, $exit=true)
-  {
-    if ($this->ajax_call)
-      $this->remote_response('', !$exit);
-    else if ($templ != 'iframe')
-      $this->parse($templ, false);
-    else
-    {
-      $this->framed = $templ == 'iframe' ? true : $this->framed;
-      $this->write();
-    }
-    
-    if ($exit)
-      exit;
-  }
-
-
-  /**
-   * Send an AJAX response with executable JS code
-   * 
-   * @param string  Additional JS code
-   * @param boolean True if output buffer should be flushed
-   */
-  function remote_response($add='', $flush=false)
-  {
-    static $s_header_sent = FALSE;
-
-    if (!$s_header_sent)
-    {
-      $s_header_sent = TRUE;
-      send_nocacheing_headers();
-      header('Content-Type: application/x-javascript; charset='.RCMAIL_CHARSET);
-      print '/** ajax response ['.date('d/M/Y h:i:s O')."] **/\n";
-    }
-    
-    // unset default env vars
-    unset($this->js_env['task'], $this->js_env['action'], $this->js_env['comm_path']);
-
-    // send response code
-    print rcube_charset_convert($this->get_js_commands() . $add, RCMAIL_CHARSET, $this->get_charset());
-
-    if ($flush)  // flush the output buffer
-      flush();
-  }
-  
-  
-  /**
-   * Process template and write to stdOut
-   *
-   * @param string HTML template
-   * @see rcube_html_page::write()
-   */
-  function write($template='')
-  {
-    // unlock interface after iframe load
-    if ($this->framed)
-      array_unshift($this->js_commands, array('set_busy', false));
-    
-    // write all env variables to client
-    $js = $this->framed ? "if(window.parent) {\n" : '';
-    $js .= $this->get_js_commands() . ($this->framed ? ' }' : '');
-    $this->add_script($js, 'head_top');
-
-    // call super method
-    parent::write($template, $this->config['skin_path']);
-  }
-
-
-  /**
-   * Parse a specific skin template and deliver to stdout
-   *
-   * @param string  Template name
-   * @param boolean Exit script
-   */  
-  function parse($name='main', $exit=true)
-  {
-    $skin_path = $this->config['skin_path'];
-
-    // read template file
-    $templ = '';
-    $path = "$skin_path/templates/$name.html";
-
-    if($fp = @fopen($path, 'r'))
-    {
-      $templ = fread($fp, filesize($path));
-      fclose($fp);
-    }
-    else
-    {
-      raise_error(array(
-        'code' => 501,
-        'type' => 'php',
-        'line' => __LINE__,
-        'file' => __FILE__,
-        'message' => "Error loading template for '$name'"), TRUE, TRUE);
-      return FALSE;
-    }
-
-    // parse for specialtags
-    $output = $this->parse_xml($this->parse_conditions($templ));
-
-    // add debug console
-    if ($this->config['debug_level'] & 8)
-      $this->add_footer('<div style="position:absolute;top:5px;left:5px;width:400px;padding:0.2em;background:white;opacity:0.8;z-index:9000">
-        <a href="#toggle" onclick="con=document.getElementById(\'dbgconsole\');con.style.display=(con.style.display==\'none\'?\'block\':\'none\');return false">console</a>
-        <form action="/" name="debugform"><textarea name="console" id="dbgconsole" rows="20" cols="40" wrap="off" style="display:none;width:400px;border:none;font-size:x-small"></textarea></form></div>');
-
-    $this->write(trim($this->parse_with_globals($output)), $skin_path);
-
-    if ($exit)
-      exit;
-  }
-
-
-  /**
-   * Return executable javascript code for all registered commands
-   * @access private
-   */
-  function get_js_commands()
-  {
-    $out = '';
-    if (!$this->framed && !empty($this->js_env))
-      $out .= ($this->ajax_call ? 'this' : JS_OBJECT_NAME) . '.set_env('.json_serialize($this->js_env).");\n";
-    
-    // add command to set page title
-    if ($this->ajax_call && !empty($this->pagetitle))
-      $out .= sprintf(
-        "this.set_pagetitle('%s');\n",
-        JQ((!empty($this->config['product_name']) ? $this->config['product_name'].' :: ' : '') . $this->pagetitle)
-      );
-
-    foreach ($this->js_commands as $i => $args)
-    {
-      $method = array_shift($args);
-      foreach ($args as $i => $arg)
-        $args[$i] = json_serialize($arg);
-
-      $parent = $this->framed || preg_match('/^parent\./', $method);
-      $out .= sprintf(
-        "%s.%s(%s);\n",
-        $this->ajax_call ? 'this' : ($parent ? 'parent.' : '') . JS_OBJECT_NAME,
-        preg_replace('/^parent\./', '', $method),
-        join(',', $args));
-    }
-    
-
-    
-    return $out;
-  }
-  
-  /**
-   * Make URLs starting with a slash point to skin directory
-   * @access private
-   */
-  function abs_url($str)
-  {
-    return preg_replace('/^\//', $this->config['skin_path'].'/', $str);
-  }
-
-
-
-  /*****  Template parsing methods  *****/
-  
-  /**
-   * Replace all strings ($varname)
-   * with the content of the according global variable.
-   * @access private
-   */
-  function parse_with_globals($input)
-  {
-    $GLOBALS['__comm_path'] = Q($GLOBALS['COMM_PATH']);
-    return preg_replace('/\$(__[a-z0-9_\-]+)/e', '$GLOBALS["\\1"]', $input);
-  }
-  
-  
-  /**
-   * Parse for conditional tags
-   * @access private
-   */
-  function parse_conditions($input)
-  {
-    if (($matches = preg_split('/<roundcube:(if|elseif|else|endif)\s+([^>]+)>/is', $input, 2, PREG_SPLIT_DELIM_CAPTURE)) && count($matches)==4)
-    {
-      if (preg_match('/^(else|endif)$/i', $matches[1]))
-        return $matches[0] . $this->parse_conditions($matches[3]);
-      else
-      {
-        $attrib = parse_attrib_string($matches[2]);
-        if (isset($attrib['condition']))
-        {
-          $condmet = $this->check_condition($attrib['condition']);
-          $submatches = preg_split('/<roundcube:(elseif|else|endif)\s+([^>]+)>/is', $matches[3], 2, PREG_SPLIT_DELIM_CAPTURE);
-
-          if ($condmet)
-            $result = $submatches[0] . ($submatches[1] != 'endif' ? preg_replace('/.*<roundcube:endif\s+[^>]+>/Uis', '', $submatches[3], 1) : $submatches[3]);
-          else
-            $result = "<roundcube:$submatches[1] $submatches[2]>" . $submatches[3];
-
-          return $matches[0] . $this->parse_conditions($result);
-        }
-        else
-        {
-          raise_error(array('code' => 500, 'type' => 'php', 'line' => __LINE__, 'file' => __FILE__,
-                            'message' => "Unable to parse conditional tag " . $matches[2]), TRUE, FALSE);
-        }
-      }
-    }
-
-    return $input;
-  }
-
-
-  /**
-   * Determines if a given condition is met
-   *
-   * @return True if condition is valid, False is not
-   * @access private
-   */
-  function check_condition($condition)
-  {
-    $condition = preg_replace(
-        array('/session:([a-z0-9_]+)/i', '/config:([a-z0-9_]+)/i', '/env:([a-z0-9_]+)/i', '/request:([a-z0-9_]+)/ie'),
-        array("\$_SESSION['\\1']", "\$this->config['\\1']", "\$this->env['\\1']", "get_input_value('\\1', RCUBE_INPUT_GPC)"),
-        $condition);
-
-    return @eval("return (".$condition.");");
-  }
-
-
-  /**
-   * Search for special tags in input and replace them
-   * with the appropriate content
-   *
-   * @param string Input string to parse
-   * @return Altered input string
-   * @access private
-   */
-  function parse_xml($input)
-  {
-    return preg_replace('/<roundcube:([-_a-z]+)\s+([^>]+)>/Uie', "\$this->xml_command('\\1', '\\2')", $input);
-  }
-
-
-  /**
-   * Convert a xml command tag into real content
-   *
-   * @param string Tag command: object,button,label, etc.
-   * @param string Attribute string
-   * @return Tag/Object content string
-   * @access private
-   */
-  function xml_command($command, $str_attrib, $add_attrib=array())
-  {
-    $command = strtolower($command);
-    $attrib = parse_attrib_string($str_attrib) + $add_attrib;
-
-    // empty output if required condition is not met
-    if (!empty($attrib['condition']) && !$this->check_condition($attrib['condition']))
-      return '';
-
-    // execute command
-    switch ($command)
-    {
-      // return a button
-      case 'button':
-        return $this->button($attrib);
-        break;
-
-      // show a label
-      case 'label':
-        if ($attrib['name'] || $attrib['command'])
-          return Q(rcube_label($attrib + array('vars' => array('product' => $this->config['product_name']))));
-        break;
-
-      // include a file 
-      case 'include':
-        $path = realpath($this->config['skin_path'].$attrib['file']);
-        if (filesize($path))
-        {
-          if ($this->config['skin_include_php'])
-            $incl = $this->include_php($path);
-          else if ($fp = @fopen($path, 'r'))
-          {
-            $incl = fread($fp, filesize($path));
-            fclose($fp);
-          }
-          return $this->parse_xml($incl);
-        }
-        break;
-
-      // return code for a specific application object
-      case 'object':
-        $object = strtolower($attrib['name']);
-
-        // execute object handler function
-        if ($this->object_handlers[$object] && function_exists($this->object_handlers[$object]))
-          return call_user_func($this->object_handlers[$object], $attrib);
-
-        else if ($object=='productname')
-        {
-          $name = !empty($this->config['product_name']) ? $this->config['product_name'] : 'RoundCube Webmail';
-          return Q($name);
-        }
-        else if ($object=='version')
-        {
-          return (string)RCMAIL_VERSION;
-        }
-        else if ($object=='pagetitle')
-        {
-          $task = $this->task;
-          $title = !empty($this->config['product_name']) ? $this->config['product_name'].' :: ' : '';
-
-          if (!empty($this->pagetitle))
-            $title .= $this->pagetitle;
-          else if ($task == 'login')
-            $title = rcube_label(array('name' => 'welcome', 'vars' => array('product' => $this->config['product_name'])));
-          else
-            $title .= ucfirst($task);
-
-          return Q($title);
-        }
-
-        break;
-      
-      // return variable
-      case 'var':
-        $var = explode(':', $attrib['name']);
-        $name = $var[1];
-        $value = '';
-        
-        switch ($var[0])
-        {
-          case 'env':
-            $value = $this->env[$name];
-            break;
-          case 'config':
-            $value = $this->config[$name];
-            if (is_array($value) && $value[$_SESSION['imap_host']])
-              $value = $value[$_SESSION['imap_host']];
-            break;
-          case 'request':
-            $value = get_input_value($name, RCUBE_INPUT_GPC);
-            break;
-          case 'session':
-            $value = $_SESSION[$name];
-            break;
-        }
-        
-        if (is_array($value))
-          $value = join(", ", $value);
-        
-        return Q($value);
-    }
-
-    return '';
-  }
-
-
-  /**
-   * Include a specific file and return it's contents
-   *
-   * @param string File path
-   * @return string Contents of the processed file
-   */
-  function include_php($file)
-  {
-    ob_start();
-    @include($file);
-    $out = ob_get_contents();
-    ob_end_clean();
-    
-    return $out;
-  }
-
-
-  /**
-   * Create and register a button
-   *
-   * @param array Button attributes
-   * @return HTML button
-   * @access private
-   */
-  function button($attrib)
-  {
-    global $CONFIG, $OUTPUT, $BROWSER, $MAIN_TASKS;
-    static $sa_buttons = array();
-    static $s_button_count = 100;
-
-    // these commands can be called directly via url
-    $a_static_commands = array('compose', 'list');
-
-    $skin_path = $this->config['skin_path'];
-
-    if (!($attrib['command'] || $attrib['name'] || $attrib['onclick']))
-      return '';
-
-    // try to find out the button type
-    if ($attrib['type'])
-      $attrib['type'] = strtolower($attrib['type']);
-    else
-      $attrib['type'] = ($attrib['image'] || $attrib['imagepas'] || $attrib['imageact']) ? 'image' : 'link';
-
-    $command = $attrib['command'];
-
-    // take the button from the stack
-    if($attrib['name'] && $sa_buttons[$attrib['name']])
-      $attrib = $sa_buttons[$attrib['name']];
-
-    // add button to button stack
-    else if($attrib['image'] || $attrib['imageact'] || $attrib['imagepas'] || $attrib['class'])
-    {
-      if (!$attrib['name'])
-        $attrib['name'] = $command;
-
-      if (!$attrib['image'])
-        $attrib['image'] = $attrib['imagepas'] ? $attrib['imagepas'] : $attrib['imageact'];
-
-      $sa_buttons[$attrib['name']] = $attrib;
-    }
-
-    // get saved button for this command/name
-    else if ($command && $sa_buttons[$command])
-      $attrib = $sa_buttons[$command];
-
-    //else
-    //  return '';
-
-
-    // set border to 0 because of the link arround the button
-    if ($attrib['type']=='image' && !isset($attrib['border']))
-      $attrib['border'] = 0;
-
-    if (!$attrib['id'])
-      $attrib['id'] =  sprintf('rcmbtn%d', $s_button_count++);
-
-    // get localized text for labels and titles
-    if ($attrib['title'])
-      $attrib['title'] = Q(rcube_label($attrib['title']));
-    if ($attrib['label'])
-      $attrib['label'] = Q(rcube_label($attrib['label']));
-
-    if ($attrib['alt'])
-      $attrib['alt'] = Q(rcube_label($attrib['alt']));
-
-    // set title to alt attribute for IE browsers
-    if ($BROWSER['ie'] && $attrib['title'] && !$attrib['alt'])
-    {
-      $attrib['alt'] = $attrib['title'];
-      unset($attrib['title']);
-    }
-
-    // add empty alt attribute for XHTML compatibility
-    if (!isset($attrib['alt']))
-      $attrib['alt'] = '';
-
-
-    // register button in the system
-    if ($attrib['command'])
-    {
-      $this->add_script(sprintf(
-        "%s.register_button('%s', '%s', '%s', '%s', '%s', '%s');",
-        JS_OBJECT_NAME,
-        $command,
-        $attrib['id'],
-        $attrib['type'],
-        $attrib['imageact'] ? $skin_path.$attrib['imageact'] : $attrib['classact'],
-        $attrib['imagesel'] ? $skin_path.$attrib['imagesel'] : $attrib['classsel'],
-        $attrib['imageover'] ? $skin_path.$attrib['imageover'] : '')
-      );
-
-      // make valid href to specific buttons
-      if (in_array($attrib['command'], $MAIN_TASKS))
-        $attrib['href'] = Q(rcmail_url(null, null, $attrib['command']));
-      else if (in_array($attrib['command'], $a_static_commands))
-        $attrib['href'] = Q(rcmail_url($attrib['command']));
-    }
-
-    // overwrite attributes
-    if (!$attrib['href'])
-      $attrib['href'] = '#';
-
-    if ($command)
-      $attrib['onclick'] = sprintf("return %s.command('%s','%s',this)", JS_OBJECT_NAME, $command, $attrib['prop']);
-
-    if ($command && $attrib['imageover'])
-    {
-      $attrib['onmouseover'] = sprintf("return %s.button_over('%s','%s')", JS_OBJECT_NAME, $command, $attrib['id']);
-      $attrib['onmouseout'] = sprintf("return %s.button_out('%s','%s')", JS_OBJECT_NAME, $command, $attrib['id']);
-    }
-
-    if ($command && $attrib['imagesel'])
-    {
-      $attrib['onmousedown'] = sprintf("return %s.button_sel('%s','%s')", JS_OBJECT_NAME, $command, $attrib['id']);
-      $attrib['onmouseup'] = sprintf("return %s.button_out('%s','%s')", JS_OBJECT_NAME, $command, $attrib['id']);
-    }
-
-    $out = '';
-
-    // generate image tag
-    if ($attrib['type']=='image')
-    {
-      $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id', 'width', 'height', 'border', 'hspace', 'vspace', 'align', 'alt'));
-      $img_tag = sprintf('<img src="%%s"%s />', $attrib_str);
-      $btn_content = sprintf($img_tag, $skin_path.$attrib['image']);
-      if ($attrib['label'])
-        $btn_content .= ' '.$attrib['label'];
-
-      $link_attrib = array('href', 'onclick', 'onmouseover', 'onmouseout', 'onmousedown', 'onmouseup', 'title');
-    }
-    else if ($attrib['type']=='link')
-    {
-      $btn_content = $attrib['label'] ? $attrib['label'] : $attrib['command'];
-      $link_attrib = array('href', 'onclick', 'title', 'id', 'class', 'style');
-    }
-    else if ($attrib['type']=='input')
-    {
-      $attrib['type'] = 'button';
-
-      if ($attrib['label'])
-        $attrib['value'] = $attrib['label'];
-
-      $attrib_str = create_attrib_string($attrib, array('type', 'value', 'onclick', 'id', 'class', 'style'));
-      $out = sprintf('<input%s disabled="disabled" />', $attrib_str);
-    }
-
-    // generate html code for button
-    if ($btn_content)
-    {
-      $attrib_str = create_attrib_string($attrib, $link_attrib);
-      $out = sprintf('<a%s>%s</a>', $attrib_str, $btn_content);
-    }
-
-    return $out;
-  }
-
-}  // end class rcmail_template
-
-
-
-// ************** common functions delivering gui objects **************
-
-
-/**
- * Builder for GUI object 'message'
- *
- * @param array Named tag parameters
- * @return string HTML code for the gui object
- */
-function rcmail_message_container($attrib)
-  {
-  global $OUTPUT;
-
-  if (!$attrib['id'])
-    $attrib['id'] = 'rcmMessageContainer';
-
-  // allow the following attributes to be added to the <table> tag
-  $attrib_str = create_attrib_string($attrib, array('style', 'class', 'id'));
-  $out = '<div' . $attrib_str . "></div>";
-  
-  $OUTPUT->add_gui_object('message', $attrib['id']);
-  
-  return $out;
-  }
-
-
-/**
- * GUI object 'username'
- * Showing IMAP username of the current session
- *
- * @param array Named tag parameters (currently not used)
- * @return string HTML code for the gui object
- */
-function rcmail_current_username($attrib)
-  {
-  global $USER;
-  static $s_username;
-
-  // alread fetched  
-  if (!empty($s_username))
-    return $s_username;
-
-  if ($sql_arr = $USER->get_identity())
-    $s_username = $sql_arr['email'];
-  else if (strstr($_SESSION['username'], '@'))
-    $s_username = $_SESSION['username'];
-  else
-    $s_username = $_SESSION['username'].'@'.$_SESSION['imap_host'];
-
-  return $s_username;
-  }
-
-
-/**
- * GUI object 'loginform'
- * Returns code for the webmail login form
- *
- * @param array Named parameters
- * @return string HTML code for the gui object
- */
-function rcmail_login_form($attrib)
-  {
-  global $CONFIG, $OUTPUT, $SESS_HIDDEN_FIELD;
-  
-  $labels = array();
-  $labels['user'] = rcube_label('username');
-  $labels['pass'] = rcube_label('password');
-  $labels['host'] = rcube_label('server');
-  
-  $input_user = new textfield(array('name' => '_user', 'id' => 'rcmloginuser', 'size' => 30) + $attrib);
-  $input_pass = new passwordfield(array('name' => '_pass', 'id' => 'rcmloginpwd', 'size' => 30) + $attrib);
-  $input_action = new hiddenfield(array('name' => '_action', 'value' => 'login'));
-    
-  $fields = array();
-  $fields['user'] = $input_user->show(get_input_value('_user', RCUBE_INPUT_POST));
-  $fields['pass'] = $input_pass->show();
-  $fields['action'] = $input_action->show();
-  
-  if (is_array($CONFIG['default_host']))
-    {
-    $select_host = new select(array('name' => '_host', 'id' => 'rcmloginhost'));
-    
-    foreach ($CONFIG['default_host'] as $key => $value)
-    {
-      if (!is_array($value))
-        $select_host->add($value, (is_numeric($key) ? $value : $key));
-      else
-        {
-        unset($select_host);
-        break;
-        }
-    }
-      
-    $fields['host'] = isset($select_host) ? $select_host->show(get_input_value('_host', RCUBE_INPUT_POST)) : null;
-    }
-  else if (!strlen($CONFIG['default_host']))
-    {
-    $input_host = new textfield(array('name' => '_host', 'id' => 'rcmloginhost', 'size' => 30));
-    $fields['host'] = $input_host->show(get_input_value('_host', RCUBE_INPUT_POST));
-    }
-
-  $form_name = strlen($attrib['form']) ? $attrib['form'] : 'form';
-  $form_start = !strlen($attrib['form']) ? '<form name="form" action="./" method="post">' : '';
-  $form_end = !strlen($attrib['form']) ? '</form>' : '';
-  
-  if ($fields['host'])
-    $form_host = <<<EOF
-    
-</tr><tr>
-
-<td class="title"><label for="rcmloginhost">$labels[host]</label></td>
-<td>$fields[host]</td>
-
-EOF;
-
-  $OUTPUT->add_gui_object('loginform', $form_name);
-  
-  $out = <<<EOF
-$form_start
-$SESS_HIDDEN_FIELD
-$fields[action]
-<table><tr>
-
-<td class="title"><label for="rcmloginuser">$labels[user]</label></td>
-<td>$fields[user]</td>
-
-</tr><tr>
-
-<td class="title"><label for="rcmloginpwd">$labels[pass]</label></td>
-<td>$fields[pass]</td>
-$form_host
-</tr></table>
-$form_end
-EOF;
-
-  return $out;
-  }
-
-
-/**
- * GUI object 'charsetselector'
- *
- * @param array Named parameters for the select tag
- * @return string HTML code for the gui object
- */
-function rcmail_charset_selector($attrib)
-  {
-  global $OUTPUT;
-  
-  // pass the following attributes to the form class
-  $field_attrib = array('name' => '_charset');
-  foreach ($attrib as $attr => $value)
-    if (in_array($attr, array('id', 'class', 'style', 'size', 'tabindex')))
-      $field_attrib[$attr] = $value;
-      
-  $charsets = array(
-    'US-ASCII'     => 'ASCII (English)',
-    'EUC-JP'       => 'EUC-JP (Japanese)',
-    'EUC-KR'       => 'EUC-KR (Korean)',
-    'BIG5'         => 'BIG5 (Chinese)',
-    'GB2312'       => 'GB2312 (Chinese)',
-    'ISO-2022-JP'  => 'ISO-2022-JP (Japanese)',
-    'ISO-8859-1'   => 'ISO-8859-1 (Latin-1)',
-    'ISO-8859-2'   => 'ISO-8895-2 (Central European)',
-    'ISO-8859-7'   => 'ISO-8859-7 (Greek)',
-    'ISO-8859-9'   => 'ISO-8859-9 (Turkish)',
-    'Windows-1251' => 'Windows-1251 (Cyrillic)',
-    'Windows-1252' => 'Windows-1252 (Western)',
-    'Windows-1255' => 'Windows-1255 (Hebrew)',
-    'Windows-1256' => 'Windows-1256 (Arabic)',
-    'Windows-1257' => 'Windows-1257 (Baltic)',
-    'UTF-8'        => 'UTF-8'
-    );
-
-  $select = new select($field_attrib);
-  $select->add(array_values($charsets), array_keys($charsets));
-  
-  $set = $_POST['_charset'] ? $_POST['_charset'] : $OUTPUT->get_charset();
-  return $select->show($set);
-  }
-
-
-/**
- * GUI object 'searchform'
- * Returns code for search function
- *
- * @param array Named parameters
- * @return string HTML code for the gui object
- */
-function rcmail_search_form($attrib)
-  {
-  global $OUTPUT;
-
-  // add some labels to client
-  rcube_add_label('searching');
-
-  $attrib['name'] = '_q';
-
-  if (empty($attrib['id']))
-    $attrib['id'] = 'rcmqsearchbox';
-
-  $input_q = new textfield($attrib);
-  $out = $input_q->show();
-
-  $OUTPUT->add_gui_object('qsearchbox', $attrib['id']);
-
-  // add form tag around text field
-  if (empty($attrib['form']))
-    $out = sprintf(
-      '<form name="rcmqsearchform" action="./" '.
-      'onsubmit="%s.command(\'search\');return false" style="display:inline;">%s</form>',
-      JS_OBJECT_NAME,
-      $out);
-
-  return $out;
-  } 
-
-
-?>
diff --git a/program/include/rcube_browser.php b/program/include/rcube_browser.php
new file mode 100644
index 000000000..af393d63e
--- /dev/null
+++ b/program/include/rcube_browser.php
@@ -0,0 +1,75 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/include/rcube_browser.php                                     |
+ |                                                                       |
+ | This file is part of the RoundCube Webmail client                     |
+ | Copyright (C) 2007-2008, RoundCube Dev. - Switzerland                 |
+ | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Class representing the client browser's properties                  |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+
+ $Id: rcube_browser.php 328 2006-08-30 17:41:21Z thomasb $
+
+*/
+
+/** 
+ * rcube_browser
+ * 
+ * Provide details about the client's browser based on the User-Agent header
+ *
+ * @package Core
+ */
+class rcube_browser
+{
+    function __construct()
+    {
+        $HTTP_USER_AGENT = $_SERVER['HTTP_USER_AGENT'];
+
+        $this->ver = 0;
+        $this->win = stristr($HTTP_USER_AGENT, 'win');
+        $this->mac = stristr($HTTP_USER_AGENT, 'mac');
+        $this->linux = stristr($HTTP_USER_AGENT, 'linux');
+        $this->unix  = stristr($HTTP_USER_AGENT, 'unix');
+
+        $this->ns4 = stristr($HTTP_USER_AGENT, 'mozilla/4') && !stristr($HTTP_USER_AGENT, 'msie');
+        $this->ns  = ($this->ns4 || stristr($HTTP_USER_AGENT, 'netscape'));
+        $this->ie  = stristr($HTTP_USER_AGENT, 'msie');
+        $this->mz  = stristr($HTTP_USER_AGENT, 'mozilla/5');
+        $this->opera = stristr($HTTP_USER_AGENT, 'opera');
+        $this->safari = stristr($HTTP_USER_AGENT, 'safari');
+
+        if ($this->ns) {
+            $test = eregi("mozilla\/([0-9\.]+)", $HTTP_USER_AGENT, $regs);
+            $this->ver = $test ? (float)$regs[1] : 0;
+        }
+        if ($this->mz) {
+            $test = ereg("rv:([0-9\.]+)", $HTTP_USER_AGENT, $regs);
+            $this->ver = $test ? (float)$regs[1] : 0;
+        }
+        if($this->ie) {
+            $test = eregi("msie ([0-9\.]+)", $HTTP_USER_AGENT, $regs);
+            $this->ver = $test ? (float)$regs[1] : 0;
+        }
+        if ($this->opera) {
+            $test = eregi("opera ([0-9\.]+)", $HTTP_USER_AGENT, $regs);
+            $this->ver = $test ? (float)$regs[1] : 0;
+        }
+
+        if (eregi(" ([a-z]{2})-([a-z]{2})", $HTTP_USER_AGENT, $regs))
+            $this->lang =  $regs[1];
+        else
+            $this->lang =  'en';
+
+        $this->dom = ($this->mz || $this->safari || ($this->ie && $this->ver>=5) || ($this->opera && $this->ver>=7));
+        $this->pngalpha = $this->mz || $this->safari || ($this->ie && $this->ver>=5.5) ||
+            ($this->ie && $this->ver>=5 && $this->mac) || ($this->opera && $this->ver>=7) ? true : false;
+    }
+  }
+
diff --git a/program/include/rcube_contacts.inc b/program/include/rcube_contacts.php
index 6a4865662..a9d16149e 100644
--- a/program/include/rcube_contacts.inc
+++ b/program/include/rcube_contacts.php
@@ -2,10 +2,10 @@
 
 /*
  +-----------------------------------------------------------------------+
- | program/include/rcube_contacts.inc                                    |
+ | program/include/rcube_contacts.php                                    |
  |                                                                       |
  | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2006-2007, RoundCube Dev. - Switzerland                 |
+ | Copyright (C) 2006-2008, RoundCube Dev. - Switzerland                 |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -403,56 +403,3 @@ class rcube_contacts
 }
 
 
-/**
- * RoundCube result set class.
- * Representing an address directory result set.
- */
-class rcube_result_set
-{
-  var $count = 0;
-  var $first = 0;
-  var $current = 0;
-  var $records = array();
-  
-  function __construct($c=0, $f=0)
-  {
-    $this->count = (int)$c;
-    $this->first = (int)$f;
-  }
-  
-  function rcube_result_set($c=0, $f=0)
-  {
-    $this->__construct($c, $f);
-  }
-  
-  function add($rec)
-  {
-    $this->records[] = $rec;
-  }
-  
-  function iterate()
-  {
-    return $this->records[$this->current++];
-  }
-  
-  function first()
-  {
-    $this->current = 0;
-    return $this->records[$this->current++];
-  }
-  
-  // alias
-  function next()
-  {
-    return $this->iterate();
-  }
-  
-  function seek($i)
-  {
-    $this->current = $i;
-  }
-  
-}
-
-
-?>
\ No newline at end of file
diff --git a/program/include/rcube_db.inc b/program/include/rcube_db.php
index 63c6759b9..8fa34e6a5 100644
--- a/program/include/rcube_db.inc
+++ b/program/include/rcube_db.php
@@ -2,10 +2,10 @@
 
 /*
  +-----------------------------------------------------------------------+
- | program/include/rcube_db.inc                                          |
+ | program/include/rcube_db.php                                          |
  |                                                                       |
  | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2005-2007, RoundCube Dev. - Switzerland                 |
+ | Copyright (C) 2005-2008, RoundCube Dev. - Switzerland                 |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -23,11 +23,6 @@
 
 
 /**
- * Obtain the PEAR::DB class that is used for abstraction
- */
-require_once 'DB.php';
-
-/**
  * Database independent query interface
  *
  * This is a wrapper for the PEAR::DB class
@@ -605,4 +600,4 @@ class rcube_db
 
   }  // end class rcube_db
 
-?>
+
diff --git a/program/include/rcube_html.inc b/program/include/rcube_html.inc
deleted file mode 100644
index d23760ade..000000000
--- a/program/include/rcube_html.inc
+++ /dev/null
@@ -1,667 +0,0 @@
-<?php
-
-/*
- +-----------------------------------------------------------------------+
- | rcube_html.inc                                                        |
- |                                                                       |
- | This file is part of the RoundCube PHP suite                          |
- | Copyright (C) 2005-2007, RoundCube Dev. - Switzerland                 |
- | Licensed under the GNU GPL                                            |
- |                                                                       |
- | CONTENTS:                                                             |
- |   Common Classes to create HTML output                                |
- |                                                                       |
- +-----------------------------------------------------------------------+
- | Author: Thomas Bruederli <roundcube@gmail.com>                        |
- +-----------------------------------------------------------------------+
-
- $Id:  $
-
-*/
-
-
-/**
- * HTML page builder class
- *
- * @package HTML
- */
-class rcube_html_page
-{
-  var $scripts_path = '';
-  var $script_files = array();
-  var $scripts = array();
-  var $charset = 'UTF-8';
-  
-  var $script_tag_file = "<script type=\"text/javascript\" src=\"%s%s\"></script>\n";
-  var $script_tag      = "<script type=\"text/javascript\">\n<!--\n%s\n\n//-->\n</script>\n";
-  var $default_template = "<html>\n<head><title></title></head>\n<body></body>\n</html>";
-
-  var $title = 'RoundCube Mail';
-  var $header = '';
-  var $footer = '';
-  var $body = '';
-  var $body_attrib = array();
-  var $meta_tags = array();
-  
-  
-  /**
-   * Link an external script file
-   *
-   * @param string File URL
-   * @param string Target position [head|foot]
-   */
-  function include_script($file, $position='head')
-  {
-    static $sa_files = array();
-    
-    if (in_array($file, $sa_files))
-      return;
-      
-    if (!is_array($this->script_files[$position]))
-      $this->script_files[$position] = array();
-      
-    $this->script_files[$position][] = $file;
-  }
-  
-  /**
-   * Add inline javascript code
-   *
-   * @param string JS code snippet
-   * @param string Target position [head|head_top|foot]
-   */
-  function add_script($script, $position='head')
-  {
-    if (!isset($this->scripts[$position]))
-      $this->scripts[$position] = "\n".rtrim($script);
-    else
-      $this->scripts[$position] .= "\n".rtrim($script);
-  }
-
-  /**
-   * Add HTML code to the page header
-   */
-  function add_header($str)
-  {
-    $this->header .= "\n".$str;
-  }
-
-  /**
-   * Add HTML code to the page footer
-   * To be added right befor </body>
-   */
-  function add_footer($str)
-  {
-    $this->footer .= "\n".$str;
-  }
-
-  /**
-   * Setter for page title
-   */
-  function set_title($t)
-  {
-    $this->title = $t;
-  }
-
-
-  /**
-   * Setter for output charset.
-   * To be specified in a meta tag and sent as http-header
-   */
-  function set_charset($charset)
-  {
-    global $MBSTRING;
-    
-    $this->charset = $charset;
-    
-    if ($MBSTRING && function_exists("mb_internal_encoding"))
-      {
-      if(!@mb_internal_encoding($charset))
-        $MBSTRING = FALSE;
-      }
-  }
-
-  /**
-   * Getter for output charset
-   */
-  function get_charset()
-  {
-    return $this->charset;
-  }
-
-
-  /**
-   * Reset all saved properties
-   */
-  function reset()
-  {
-    $this->script_files = array();
-    $this->scripts = array();
-    $this->title = '';
-    $this->header = '';
-    $this->footer = '';
-  }
-
-
-  /**
-   * Process template and write to stdOut
-   *
-   * @param string HTML template
-   * @param string Base for absolute paths
-   */
-  function write($templ='', $base_path='')
-  {
-    $output = empty($templ) ? $this->default_template : trim($templ);
-    
-    // replace specialchars in content
-    $__page_title = Q($this->title, 'show', FALSE);
-    $__page_header = $__page_body = $__page_footer = '';
-    
-    
-    // include meta tag with charset
-    if (!empty($this->charset))
-    {
-      header('Content-Type: text/html; charset='.$this->charset, true);
-      $__page_header = '<meta http-equiv="content-type" content="text/html; charset='.$this->charset.'" />'."\n";
-    }
-  
-  
-    // definition of the code to be placed in the document header and footer
-    if (is_array($this->script_files['head']))
-      foreach ($this->script_files['head'] as $file)
-        $__page_header .= sprintf($this->script_tag_file, $this->scripts_path, $file);
-
-    $head_script = $this->scripts['head_top'] . $this->scripts['head'];
-    if (!empty($head_script))
-      $__page_header .= sprintf($this->script_tag, $head_script);
-
-    if (!empty($this->header))
-      $__page_header .= $this->header;
-
-    if (is_array($this->script_files['foot']))
-      foreach ($this->script_files['foot'] as $file)
-        $__page_footer .= sprintf($this->script_tag_file, $this->scripts_path, $file);
-
-    if (!empty($this->scripts['foot']))
-      $__page_footer .= sprintf($this->script_tag, $this->scripts['foot']);
-      
-    if (!empty($this->footer))
-      $__page_footer .= $this->footer;
-
-    // find page header
-    if ($hpos = strpos(strtolower($output), '</head>'))
-      $__page_header .= "\n";
-    else 
-    {
-      if (!is_numeric($hpos))
-        $hpos = strpos(strtolower($output), '<body');
-      if (!is_numeric($hpos) && ($hpos = strpos(strtolower($output), '<html')))
-      {
-        while($output[$hpos]!='>')
-          $hpos++;
-        $hpos++;
-      }
-  
-      $__page_header = "<head>\n<title>$__page_title</title>\n$__page_header\n</head>\n";
-    }
-  
-    // add page hader
-    if ($hpos)
-      $output = substr($output,0,$hpos) . $__page_header . substr($output,$hpos,strlen($output));
-    else
-      $output = $__page_header . $output;
-  
-  
-    // find page body
-    if($bpos = strpos(strtolower($output), '<body'))
-    {
-      while($output[$bpos]!='>') $bpos++;
-      $bpos++;
-    }
-    else
-      $bpos = strpos(strtolower($output), '</head>')+7;
-  
-    // add page body
-    if($bpos && $__page_body)
-      $output = substr($output,0,$bpos) . "\n$__page_body\n" . substr($output,$bpos,strlen($output));
-  
-  
-    // find and add page footer
-    $output_lc = strtolower($output);
-    if(($fpos = strrstr($output_lc, '</body>')) ||
-       ($fpos = strrstr($output_lc, '</html>')))
-      $output = substr($output, 0, $fpos) . "$__page_footer\n" . substr($output, $fpos);
-    else
-      $output .= "\n$__page_footer";
-  
-  
-    // reset those global vars
-    $__page_header = $__page_footer = '';
-  
-  
-    // correct absolute paths in images and other tags
-    $output = preg_replace('/(src|href|background)=(["\']?)(\/[a-z0-9_\-]+)/Ui', "\\1=\\2$base_path\\3", $output);
-    $output = str_replace('$__skin_path', $base_path, $output);
-  
-    print rcube_charset_convert($output, 'UTF-8', $this->charset);
-  }
-    
-}  // end class rcube_html_page
-
-
-
-/**
- * Base class to build a HTML for element
- *
- * @package HTML
- */
-class rcube_form_element
-  {
-  var $uppertags = FALSE;
-  var $upperattribs = FALSE;
-  var $upperprops = FALSE;
-  var $newline = FALSE;
-  
-  var $attrib = array();
-
-
-  /**
-   * Create string with saved attributes
-   *
-   * @return string HTML formatted tag attributes
-   */
-  function create_attrib_string()
-  {
-    if (!sizeof($this->attrib))
-      return '';
-
-    if ($this->name!='')
-      $this->attrib['name'] = $this->name;
-
-    $attrib_arr = array();
-    foreach ($this->attrib as $key => $value)
-    {
-      // don't output some internally used attributes
-      if (in_array($key, array('form', 'quicksearch')))
-        continue;
-
-      // skip if size if not numeric
-      if (($key=='size' && !is_numeric($value)))
-        continue;
-        
-      // skip empty eventhandlers
-      if ((strpos($key,'on')===0 && $value==''))
-        continue;
-
-      // attributes with no value
-      if (in_array($key, array('checked', 'multiple', 'disabled', 'selected', 'nowrap')))
-      {
-        if ($value)
-          $attrib_arr[] = sprintf('%s="%s"', $this->_conv_case($key, 'attrib'), $key);
-      }
-      // don't convert size of value attribute
-      else if ($key=='value')
-        $attrib_arr[] = sprintf('%s="%s"', $this->_conv_case($key, 'attrib'), Q($value, 'strict', false));
-        
-      // regular tag attributes
-      else
-        $attrib_arr[] = sprintf('%s="%s"', $this->_conv_case($key, 'attrib'), $this->_conv_case(Q($value), 'value'));
-    }
-
-    return sizeof($attrib_arr) ? ' '.implode(' ', $attrib_arr) : '';
-  }
-    
-    
-  /**
-   * Convert tags and attributes to upper-/lowercase
-   *
-   * @param string Input string
-   * @param string Value type (can either be "tag" or "attrib")
-   * @return string Converted output string
-   * @access private
-   */
-  function _conv_case($str, $type='attrib')
-    {
-    if ($type == 'tag')
-      return $this->uppertags ? strtoupper($str) : strtolower($str);
-    else if ($type == 'attrib')
-      return $this->upperattribs ? strtoupper($str) : strtolower($str);
-    else if ($type == 'value')
-      return $this->upperprops ? strtoupper($str) : strtolower($str);
-    }    
-  }
-
-
-/**
- * Builder for an <input> field
- *
- * @package HTML
- */
-class input_field extends rcube_form_element
-{
-  var $type = 'text';
-  
-  /**
-   * Constructor
-   * @param array Named tag attributes
-   */
-  function input_field($attrib=array())
-  {
-    if (is_array($attrib))
-      $this->attrib = $attrib;
-
-    if ($attrib['type'])
-      $this->type = $attrib['type'];    
-
-    if ($attrib['newline'])
-      $this->newline = TRUE;    
-  }  
-
-  /**
-   * Compose input tag
-   *
-   * @param string Field value
-   * @param array  Additional tag attributes
-   * @return string Final HTML code
-   */
-  function show($value=NULL, $attrib=NULL)
-  {
-    // overwrite object attributes
-    if (is_array($attrib))
-      $this->attrib = array_merge($this->attrib, $attrib);
-
-    // set value attribute
-    if ($value!==NULL)
-      $this->attrib['value'] = $value;
-
-    $this->attrib['type'] = $this->type;
-
-    // return final tag
-    return sprintf(
-      '<%s%s />%s',
-      $this->_conv_case('input', 'tag'),
-      $this->create_attrib_string(),
-      ($this->newline ? "\n" : ""));
-  }  
-}
-
-
-/**
- * Builder for a <input type="text"> field
- *
- * @package HTML
- */
-class textfield extends input_field
-{
-  var $type = 'text';
-}
-
-/**
- * Builder for a <input type="password"> field
- *
- * @package HTML
- */
-class passwordfield extends input_field
-{
-  var $type = 'password';
-}
-
-/**
- * Builder for <input type="radio"> fields
- *
- * @package HTML
- */
-class radiobutton extends input_field
-{
-  var $type = 'radio';
-}
-
-/**
- * Builder for <input type="checkbox"> fields
- *
- * @package HTML
- */
-class checkbox extends input_field
-{
-  var $type = 'checkbox';
-
-
-  /**
-   * Compose input tag
-   *
-   * @param string Field value
-   * @param array  Additional tag attributes
-   * @return string Final HTML code
-   */
-  function show($value='', $attrib=NULL)
-  {
-    // overwrite object attributes
-    if (is_array($attrib))
-      $this->attrib = array_merge($this->attrib, $attrib);    
-
-    $this->attrib['type'] = $this->type;
-
-    if ($value && (string)$value==(string)$this->attrib['value'])
-      $this->attrib['checked'] = TRUE;
-    else
-      $this->attrib['checked'] = FALSE;
-
-    // return final tag
-    return sprintf(
-      '<%s%s />%s',
-      $this->_conv_case('input', 'tag'),
-      $this->create_attrib_string(),
-      ($this->newline ? "\n" : ""));
-  }
-}
-
-
-/**
- * Builder for a <textarea> field
- *
- * @package HTML
- */
-class textarea extends rcube_form_element
-  {
-
-  /**
-   * Constructor
-   * @param array Named tag attributes
-   */
-  function textarea($attrib=array())
-  {
-    $this->attrib = $attrib;
-
-    if ($attrib['newline'])
-      $this->newline = TRUE;
-  }
-  
-  /**
-   * Create HTML representation for this field
-   *
-   * @param string Field value
-   * @param array  Additional tag attributes
-   * @return string Final HTML code
-   */
-  function show($value='', $attrib=NULL)
-  {
-    // overwrite object attributes
-    if (is_array($attrib))
-      $this->attrib = array_merge($this->attrib, $attrib);
-    
-    // take value attribute as content
-    if ($value=='')
-      $value = $this->attrib['value'];
-    
-    // make shure we don't print the value attribute
-    if (isset($this->attrib['value']))
-      unset($this->attrib['value']);
-
-    if (!empty($value) && !isset($this->attrib['mce_editable']))
-      $value = Q($value, 'strict', FALSE);
-
-    // return final tag
-    return sprintf(
-      '<%s%s>%s</%s>%s',
-      $this->_conv_case('textarea', 'tag'),
-      $this->create_attrib_string(),
-      $value,
-      $this->_conv_case('textarea', 'tag'),
-      ($this->newline ? "\n" : ""));       
-  }
-}
-
-
-/**
- * Builder for group of hidden form fields
- *
- * @package HTML
- */
-class hiddenfield extends rcube_form_element
-{
-  var $fields_arr = array();
-  var $newline = TRUE;
-
-  /**
-   * Constructor
-   *
-   * @param array Named tag attributes
-   */
-  function hiddenfield($attrib=NULL)
-  {
-    if (is_array($attrib))
-      $this->add($attrib);
-  }
-
-  /**
-   * Add a hidden field to this instance
-   * @param array Named tag attributes
-   */
-  function add($attrib)
-  {
-    $this->fields_arr[] = $attrib;
-  }
-
-
-  /**
-   * Create HTML code for the hidden fields
-   *
-   * @return string Final HTML code
-   */
-  function show()
-  {
-    $out = '';
-    foreach ($this->fields_arr as $attrib)
-    {
-      $this->attrib = $attrib;
-      $this->attrib['type'] = 'hidden';
-      
-      $out .= sprintf(
-        '<%s%s />%s',
-        $this->_conv_case('input', 'tag'),
-        $this->create_attrib_string(),
-        ($this->newline ? "\n" : ""));
-    }
-
-    return $out;
-  }
-}
-
-
-/**
- * Builder for HTML drop-down menus
- * Syntax:<pre>
- * // create instance. arguments are used to set attributes of select-tag
- * $select = new select(array('name' => 'fieldname'));
- *
- * // add one option
- * $select->add('Switzerland', 'CH');
- *
- * // add multiple options
- * $select->add(array('Switzerland','Germany'), array('CH','DE'));
- *
- * // generate pulldown with selection 'Switzerland'  and return html-code
- * // as second argument the same attributes available to instanciate can be used
- * print $select->show('CH');
- * </pre>
- *
- * @package HTML
- */
-class select extends rcube_form_element
-{
-  var $options = array();
-
-  /**
-   * Constructor
-   *
-   * @param array Named tag attributes
-   */
-  function select($attrib=NULL)
-  {
-    if (is_array($attrib))
-      $this->attrib = $attrib;
-
-    if ($attrib['newline'])
-      $this->newline = TRUE;
-  }
-
-
-  /**
-   * Add one ore more menu options
-   *
-   * @param mixed Array with names or single option name
-   * @param mixed Array with values or single option value
-   */
-  function add($names, $values=NULL)
-  {
-    if (is_array($names))
-    {
-      foreach ($names as $i => $text)
-        $this->options[] = array('text' => $text, 'value' => $values[$i]);
-    }
-    else
-      $this->options[] = array('text' => $names, 'value' => $values);
-  }
-
-
-  /**
-   * Generate HTML code for this drop-down menu
-   *
-   * @param string Value of the selected option
-   * @param array Additional tag attributes
-   * @return string Final HTML code
-   */
-  function show($select=array(), $attrib=NULL)
-  {
-    $options_str = "\n";
-    $value_str = $this->_conv_case(' value="%s"', 'attrib');
-    
-    if (!is_array($select))
-      $select = array($select);
-
-    foreach ($this->options as $option)
-    {
-      $selected = ((isset($option['value']) &&
-                    in_array($option['value'], $select, TRUE)) ||
-                   (in_array($option['text'], $select, TRUE))) ?
-        $this->_conv_case(' selected="selected"', 'attrib') : '';
-                   
-      $options_str .= sprintf("<%s%s%s>%s</%s>\n",
-                             $this->_conv_case('option', 'tag'),
-                             isset($option['value']) ? sprintf($value_str, Q($option['value'])) : '',
-                             $selected, 
-                             Q($option['text'], 'strict', FALSE),
-                             $this->_conv_case('option', 'tag'));
-    }
-
-    // return final tag
-    return sprintf('<%s%s>%s</%s>%s',
-                   $this->_conv_case('select', 'tag'),
-                   $this->create_attrib_string(),
-                   $options_str,
-                   $this->_conv_case('select', 'tag'),
-                   ($this->newline ? "\n" : ""));    
-  }
-}
-
-
-?>
diff --git a/program/include/rcube_html_page.php b/program/include/rcube_html_page.php
new file mode 100644
index 000000000..42036f63c
--- /dev/null
+++ b/program/include/rcube_html_page.php
@@ -0,0 +1,256 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/include/rcube_html_page.php                                   |
+ |                                                                       |
+ | This file is part of the RoundCube PHP suite                          |
+ | Copyright (C) 2005-2008, RoundCube Dev. - Switzerland                 |
+ | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | CONTENTS:                                                             |
+ |   Class to build XHTML page output                                    |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+
+ $Id:  $
+
+*/
+
+/**
+ * Class for HTML page creation
+ *
+ * @package HTML
+ */
+class rcube_html_page
+{
+    protected $scripts_path = '';
+    protected $script_files = array();
+    protected $external_scripts = array();
+    protected $scripts = array();
+    protected $charset = 'UTF-8';
+
+    protected $script_tag_file = "<script type=\"text/javascript\" src=\"%s%s\"></script>\n";
+    protected $script_tag      = "<script type=\"text/javascript\">\n<!--\n%s\n\n//-->\n</script>\n";
+    protected $default_template = "<html>\n<head><title></title></head>\n<body></body>\n</html>";
+    protected $tag_format_external_script = "<script type=\"text/javascript\" src=\"%s\"></script>\n";
+
+    protected $title = '';
+    protected $header = '';
+    protected $footer = '';
+    protected $body = '';
+
+
+    /** Constructor */
+    public function __construct() {}
+
+    /**
+     * Link an external script file
+     *
+     * @param string File URL
+     * @param string Target position [head|foot]
+     */
+    public function include_script($file, $position='head')
+    {
+        static $sa_files = array();
+
+        if (in_array($file, $sa_files)) {
+            return;
+        }
+        if (!is_array($this->script_files[$position])) {
+            $this->script_files[$position] = array();
+        }
+        $this->script_files[$position][] = $file;
+    }
+
+    /**
+     * Add inline javascript code
+     *
+     * @param string JS code snippet
+     * @param string Target position [head|head_top|foot]
+     */
+    public function add_script($script, $position='head')
+    {
+        if (!isset($this->scripts[$position])) {
+            $this->scripts[$position] = "\n".rtrim($script);
+        } else {
+            $this->scripts[$position] .= "\n".rtrim($script);
+        }
+    }
+
+    /**
+     * Add HTML code to the page header
+     */
+    public function add_header($str)
+    {
+        $this->header .= "\n".$str;
+    }
+
+    /**
+     * Add HTML code to the page footer
+     * To be added right befor </body>
+     */
+    public function add_footer($str)
+    {
+        $this->footer .= "\n".$str;
+    }
+
+    /**
+     * Setter for page title
+     */
+    public function set_title($t)
+    {
+        $this->title = $t;
+    }
+
+    /**
+     * Setter for output charset.
+     * To be specified in a meta tag and sent as http-header
+     */
+    public function set_charset($charset)
+    {
+        $this->charset = $charset;
+    }
+
+    /**
+     * Getter for output charset
+     */
+    public function get_charset()
+    {
+        return $this->charset;
+    }
+
+    /**
+     * Reset all saved properties
+     */
+    public function reset()
+    {
+        $this->script_files = array();
+        $this->scripts = array();
+        $this->title = '';
+        $this->header = '';
+        $this->footer = '';
+    }
+
+    /**
+     * Process template and write to stdOut
+     *
+     * @param string HTML template
+     * @param string Base for absolute paths
+     */
+    public function write($templ='', $base_path='')
+    {
+        $output = empty($templ) ? $this->default_template : trim($templ);
+
+        // set default page title
+        if (empty($this->title)) {
+            $this->title = 'RoundCube Mail';
+        }
+
+        // replace specialchars in content
+        $__page_title = Q($this->title, 'show', FALSE);
+        $__page_header = $__page_body = $__page_footer = '';
+
+        // include meta tag with charset
+        if (!empty($this->charset)) {
+            if (!headers_sent()) {
+                header('Content-Type: text/html; charset=' . $this->charset);
+            }
+            $__page_header = '<meta http-equiv="content-type"';
+            $__page_header.= ' content="text/html; charset=';
+            $__page_header.= $this->charset . '" />'."\n";
+        }
+
+        // definition of the code to be placed in the document header and footer
+        if (is_array($this->script_files['head'])) {
+            foreach ($this->script_files['head'] as $file) {
+                $__page_header .= sprintf($this->script_tag_file, $this->scripts_path, $file);
+            }
+        }
+
+        $head_script = $this->scripts['head_top'] . $this->scripts['head'];
+        if (!empty($head_script)) {
+            $__page_header .= sprintf($this->script_tag, $head_script);
+        }
+
+        if (!empty($this->header)) {
+            $__page_header .= $this->header;
+        }
+
+        if (is_array($this->script_files['foot'])) {
+            foreach ($this->script_files['foot'] as $file) {
+                $__page_footer .= sprintf($this->script_tag_file, $this->scripts_path, $file);
+            }
+        }
+
+        if (!empty($this->scripts['foot'])) {
+            $__page_footer .= sprintf($this->script_tag, $this->scripts['foot']);
+        }
+
+        if (!empty($this->footer)) {
+            $__page_footer .= $this->footer;
+        }
+
+        // find page header
+        if ($hpos = strpos(strtolower($output), '</head>')) {
+            $__page_header .= "\n";
+        }
+        else {
+            if (!is_numeric($hpos)) {
+                $hpos = strpos(strtolower($output), '<body');
+            }
+            if (!is_numeric($hpos) && ($hpos = strpos(strtolower($output), '<html'))) {
+                while ($output[$hpos] != '>') {
+                    $hpos++;
+                }
+                $hpos++;
+            }
+            $__page_header = "<head>\n<title>$__page_title</title>\n$__page_header\n</head>\n";
+        }
+
+        // add page hader
+        if ($hpos) {
+            $output = substr($output,0,$hpos) . $__page_header . substr($output,$hpos,strlen($output));
+        }
+        else {
+            $output = $__page_header . $output;
+        }
+
+        // find page body
+        if ($bpos = strpos(strtolower($output), '<body')) {
+            while ($output[$bpos] != '>') {
+                $bpos++;
+            }
+            $bpos++;
+        }
+        else {
+            $bpos = strpos(strtolower($output), '</head>')+7;
+        }
+
+        // add page body
+        if ($bpos && $__page_body) {
+            $output = substr($output,0,$bpos) . "\n$__page_body\n" . substr($output,$bpos,strlen($output));
+        }
+
+        // find and add page footer
+        $output_lc = strtolower($output);
+        if (($fpos = strrpos($output_lc, '</body>')) || ($fpos = strrpos($output_lc, '</html>'))) {
+            $output = substr($output, 0, $fpos) . "$__page_footer\n" . substr($output, $fpos);
+        }
+        else {
+            $output .= "\n".$__page_footer;
+        }
+
+        // reset those global vars
+        $__page_header = $__page_footer = '';
+
+        // correct absolute paths in images and other tags
+        $output = preg_replace('/(src|href|background)=(["\']?)(\/[a-z0-9_\-]+)/Ui', "\\1=\\2$base_path\\3", $output);
+        $output = str_replace('$__skin_path', $base_path, $output);
+
+        print rcube_charset_convert($output, 'UTF-8', $this->charset);
+    }
+}
+
diff --git a/program/include/rcube_imap.inc b/program/include/rcube_imap.php
index 9a594854c..04bb7bfc3 100644
--- a/program/include/rcube_imap.inc
+++ b/program/include/rcube_imap.php
@@ -2,10 +2,10 @@
 
 /*
  +-----------------------------------------------------------------------+
- | program/include/rcube_imap.inc                                        |
+ | program/include/rcube_imap.php                                        |
  |                                                                       |
  | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2005-2007, RoundCube Dev. - Switzerland                 |
+ | Copyright (C) 2005-2008, RoundCube Dev. - Switzerland                 |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -2929,4 +2929,3 @@ function quoted_printable_encode($input, $line_max=76, $space_conv=false)
   }
 
 
-?>
diff --git a/program/include/rcube_json_output.php b/program/include/rcube_json_output.php
new file mode 100644
index 000000000..6bf4f8a2a
--- /dev/null
+++ b/program/include/rcube_json_output.php
@@ -0,0 +1,237 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/include/rcube_json_output.php                                 |
+ |                                                                       |
+ | This file is part of the RoundCube Webmail client                     |
+ | Copyright (C) 2008, RoundCube Dev. - Switzerland                      |
+ | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Class to handle HTML page output using a skin template.             |
+ |   Extends rcube_html_page class from rcube_shared.inc                 |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+
+ $Id:  $
+
+*/
+
+
+/**
+ * View class to produce JSON responses
+ *
+ * @package View
+ */
+class rcube_json_output
+{
+    private $config;
+    private $charset = 'UTF-8';
+    private $env = array();
+    private $texts = array();
+    private $commands = array();
+
+    public $task = '';
+    public $ajax_call = true;
+    
+    
+    /**
+     * Constructor
+     */
+    public function __construct(&$config, $task)
+    {
+        $this->task   = $task;
+        $this->config = $config;
+    }
+    
+    
+    /**
+     * Set environment variable
+     *
+     * @param string Property name
+     * @param mixed Property value
+     */
+    public function set_env($name, $value)
+    {
+        $this->env[$name] = $value;
+    }
+    
+    /**
+     * @ignore
+     */
+    public function set_pagetitle($title)
+    {
+        // ignore
+    }
+
+    /**
+     * @ignore
+     */
+    function set_charset($charset)
+    {
+        // ignore: $this->charset = $charset;
+    }
+
+
+    /**
+     * Get charset for output
+     *
+     * @return string Output charset
+     */
+    function get_charset()
+    {
+        return $this->charset;
+    }
+
+
+    /**
+     * Register a template object handler
+     *
+     * @param  string Object name
+     * @param  string Function name to call
+     * @return void
+     */
+    public function add_handler($obj, $func)
+    {
+        // ignore
+    }
+
+    /**
+     * Register a list of template object handlers
+     *
+     * @param  array Hash array with object=>handler pairs
+     * @return void
+     */
+    public function add_handlers($arr)
+    {
+        // ignore
+    }
+    
+    
+    /**
+     * Call a client method
+     *
+     * @param string Method to call
+     * @param ... Additional arguments
+     */
+    public function command()
+    {
+        $this->commands[] = func_get_args();
+    }
+    
+    
+    /**
+     * Add a localized label to the client environment
+     */
+    public function add_label()
+    {
+        $arg_list = func_get_args();
+        foreach ($arg_list as $i => $name) {
+            $this->texts[$name] = rcube::gettext($name);
+        }
+    }
+    
+
+    /**
+     * Invoke display_message command
+     *
+     * @param string Message to display
+     * @param string Message type [notice|confirm|error]
+     * @param array Key-value pairs to be replaced in localized text
+     * @uses self::command()
+     */
+    public function show_message($message, $type='notice', $vars=null)
+    {
+        $this->command(
+            'display_message',
+            rcube::gettext(array('name' => $message, 'vars' => $vars)),
+            $type
+        );
+    }
+    
+    /**
+     * Delete all stored env variables and commands
+     */
+    public public function reset()
+    {
+        $this->env = array();
+        $this->texts = array();
+        $this->commands = array();
+    }
+    
+    
+    /**
+     * Send an AJAX response to the client.
+     */
+    public function send()
+    {
+        $this->remote_response();
+        exit;
+    }
+    
+    
+    /**
+     * Send an AJAX response with executable JS code
+     *
+     * @param  string  Additional JS code
+     * @param  boolean True if output buffer should be flushed
+     * @return void
+     * @deprecated
+     */
+    public function remote_response($add='', $flush=false)
+    {
+        static $s_header_sent = false;
+
+        if (!$s_header_sent) {
+            $s_header_sent = true;
+            send_nocacheing_headers();
+            header('Content-Type: application/x-javascript; charset=' . $this->get_charset());
+            print '/** ajax response ['.date('d/M/Y h:i:s O')."] **/\n";
+        }
+
+        // unset default env vars
+        unset($this->env['task'], $this->env['action'], $this->env['comm_path']);
+
+        // send response code
+        echo $this->get_js_commands() . $add;
+
+        // flush the output buffer
+        if ($flush)
+            flush();
+    }
+    
+    
+    /**
+     * Return executable javascript code for all registered commands
+     *
+     * @return string $out
+     */
+    private function get_js_commands()
+    {
+        $out = 'this.set_env('.json_serialize($this->env).");\n";
+        
+        foreach($this->texts as $name => $text) {
+            $out .= sprintf("this.add_label('%s', '%s');\n", $name, JQ($text));
+        }
+
+        foreach ($this->commands as $i => $args) {
+            $method = array_shift($args);
+            foreach ($args as $i => $arg) {
+                $args[$i] = json_serialize($arg);
+            }
+
+            $out .= sprintf(
+                "this.%s(%s);\n",
+                preg_replace('/^parent\./', '', $method),
+                implode(',', $args)
+            );
+        }
+        
+        return $out;
+    }
+}
+
+
diff --git a/program/include/rcube_ldap.inc b/program/include/rcube_ldap.php
index 969101b2a..4d0574e67 100644
--- a/program/include/rcube_ldap.inc
+++ b/program/include/rcube_ldap.php
@@ -1,10 +1,10 @@
 <?php
 /*
  +-----------------------------------------------------------------------+
- | program/include/rcube_ldap.inc                                        |
+ | program/include/rcube_ldap.php                                        |
  |                                                                       |
  | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2006-2007, RoundCube Dev. - Switzerland                 |
+ | Copyright (C) 2006-2008, RoundCube Dev. - Switzerland                 |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -456,4 +456,4 @@ class rcube_ldap
 
 }
 
-?>
+
diff --git a/program/include/rcube_mail_mime.php b/program/include/rcube_mail_mime.php
new file mode 100644
index 000000000..866786b93
--- /dev/null
+++ b/program/include/rcube_mail_mime.php
@@ -0,0 +1,206 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/include/rcube_mail_mime.php                                   |
+ |                                                                       |
+ | This file is part of the RoundCube Webmail client                     |
+ | Copyright (C) 2007-2008, RoundCube Dev. - Switzerland                 |
+ | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Extend PEAR:Mail_mime class and override encodeHeaders method       |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+
+ $Id: sendmail.inc 506 2007-03-14 00:39:51Z thomasb $
+
+*/
+
+
+/**
+ * Replacement PEAR:Mail_mime with some additional or overloaded methods
+ *
+ * @package Mail
+ */
+class rcube_mail_mime extends Mail_mime
+{
+  /**
+   * Set build parameters
+   */
+  function setParam($param)
+  {
+    if (is_array($param)) {
+      $this->_build_params = array_merge($this->_build_params, $param);
+    }
+  }
+  
+  /**
+   * Adds an image to the list of embedded images.
+   *
+   * @param  string  $file       The image file name OR image data itself
+   * @param  string  $c_type     The content type
+   * @param  string  $name       The filename of the image.
+   *                             Only use if $file is the image data
+   * @param  bool    $isfilename Whether $file is a filename or not
+   *                             Defaults to true
+   * @param  string  $contentid  Desired Content-ID of MIME part
+   *                             Defaults to generated unique ID
+   * @return mixed   true on success or PEAR_Error object
+   * @access public
+   */
+  function addHTMLImage($file, $c_type='application/octet-stream', $name = '', $isfilename = true, $contentid = '')
+  {
+    $filedata = ($isfilename === true) ? $this->_file2str($file) : $file;
+    if ($isfilename === true) {
+      $filename = ($name == '' ? $file : $name);
+    }
+    else {
+      $filename = $name;
+    }
+
+    if (PEAR::isError($filedata)) {
+        return $filedata;
+    }
+
+    if ($contentid == '') {
+       $contentid = md5(uniqid(time()));
+    }
+
+    $this->_html_images[] = array(
+      'body'   => $filedata,
+      'name'   => $filename,
+      'c_type' => $c_type,
+      'cid'    => $contentid
+    );
+
+    return true;
+  }
+  
+  
+  /**
+  * returns the HTML body portion of the message
+  * @return string HTML body of the message
+  * @access public
+  */
+  function getHTMLBody()
+  {
+     return $this->_htmlbody;
+  }
+  
+  
+  /**
+   * Creates a new mimePart object, using multipart/mixed as
+   * the initial content-type and returns it during the
+   * build process.
+   *
+   * @return object  The multipart/mixed mimePart object
+   * @access private
+   */
+  function &_addMixedPart()
+  {
+    $params['content_type'] = $this->_headers['Content-Type'] ? $this->_headers['Content-Type'] : 'multipart/mixed';
+    $ret = new Mail_mimePart('', $params);
+    return $ret;
+  }
+  
+  
+  /**
+   * Encodes a header as per RFC2047
+   *
+   * @param  array $input The header data to encode
+   * @param  array $params Extra build parameters
+   * @return array Encoded data
+   * @access private
+   * @override
+   */
+  function _encodeHeaders($input, $params = array())
+  {
+    $maxlen = 73;
+    $params += $this->_build_params;
+    
+    foreach ($input as $hdr_name => $hdr_value)
+    {
+      // if header contains e-mail addresses
+      if (preg_match('/\s<.+@[a-z0-9\-\.]+\.[a-z]+>/U', $hdr_value)) {
+        $chunks = $this->_explode_quoted_string(',', $hdr_value);
+      }
+      else {
+        $chunks = array($hdr_value);
+      }
+
+      $hdr_value = '';
+      $line_len = 0;
+
+      foreach ($chunks as $i => $value) {
+        $value = trim($value);
+
+        //This header contains non ASCII chars and should be encoded.
+        if (preg_match('#[\x80-\xFF]{1}#', $value)) {
+          $suffix = '';
+          // Don't encode e-mail address
+          if (preg_match('/(.+)\s(<.+@[a-z0-9\-\.]+>)$/Ui', $value, $matches)) {
+            $value = $matches[1];
+            $suffix = ' '.$matches[2];
+          }
+
+          switch ($params['head_encoding']) {
+            case 'base64':
+            // Base64 encoding has been selected.
+            $mode = 'B';
+            $encoded = base64_encode($value);
+            break;
+
+            case 'quoted-printable':
+            default:
+            // quoted-printable encoding has been selected
+            $mode = 'Q';
+            $encoded = preg_replace('/([\x2C\x3F\x80-\xFF])/e', "'='.sprintf('%02X', ord('\\1'))", $value);
+            // replace spaces with _
+            $encoded = str_replace(' ', '_', $encoded);
+          }
+
+          $value = '=?' . $params['head_charset'] . '?' . $mode . '?' . $encoded . '?=' . $suffix;
+        }
+
+        // add chunk to output string by regarding the header maxlen
+        $len = strlen($value);
+        if ($i == 0 || $line_len + $len < $maxlen) {
+          $hdr_value .= ($i>0?', ':'') . $value;
+          $line_len += $len + ($i>0?2:0);
+        }
+        else {
+          $hdr_value .= ($i>0?', ':'') . "\n " . $value;
+          $line_len = $len;
+        }
+      }
+
+      $input[$hdr_name] = $hdr_value;
+    }
+
+    return $input;
+  }
+
+
+  function _explode_quoted_string($delimiter, $string)
+  {
+    $result = array();
+    $strlen = strlen($string);
+    for ($q=$p=$i=0; $i < $strlen; $i++) {
+      if ($string{$i} == "\"" && $string{$i-1} != "\\") {
+        $q = $q ? false : true;
+      }
+      else if (!$q && $string{$i} == $delimiter) {
+        $result[] = substr($string, $p, $i - $p);
+        $p = $i + 1;
+      }
+    }
+    
+    $result[] = substr($string, $p);
+    return $result;
+  }
+
+}
+
diff --git a/program/include/rcube_mdb2.inc b/program/include/rcube_mdb2.php
index 72d906664..f2845d3ac 100644
--- a/program/include/rcube_mdb2.inc
+++ b/program/include/rcube_mdb2.php
@@ -2,10 +2,10 @@
 
 /*
  +-----------------------------------------------------------------------+
- | program/include/rcube_mdb2.inc                                        |
+ | program/include/rcube_mdb2.php                                        |
  |                                                                       |
  | This file is part of the RoundCube Webmail client                     |
- | Copyright (C) 2005-2007, RoundCube Dev. - Switzerland                 |
+ | Copyright (C) 2005-2008, RoundCube Dev. - Switzerland                 |
  | Licensed under the GNU GPL                                            |
  |                                                                       |
  | PURPOSE:                                                              |
@@ -22,12 +22,6 @@
 
 
 /**
- * Obtain the PEAR::DB class that is used for abstraction
- */
-require_once('MDB2.php');
-
-
-/**
  * Database independent query interface
  *
  * This is a wrapper for the PEAR::MDB2 class
@@ -617,4 +611,3 @@ function mdb2_debug_handler(&$db, $scope, $message, $context = array())
 }
 
 
-?>
diff --git a/program/include/rcube_result_set.php b/program/include/rcube_result_set.php
new file mode 100644
index 000000000..7e968cd2b
--- /dev/null
+++ b/program/include/rcube_result_set.php
@@ -0,0 +1,74 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/include/rcube_result_set.php                                  |
+ |                                                                       |
+ | This file is part of the RoundCube Webmail client                     |
+ | Copyright (C) 2006-2008, RoundCube Dev. - Switzerland                 |
+ | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Class representing an address directory result set                  |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+
+ $Id: rcube_result_set.php 328 2006-08-30 17:41:21Z thomasb $
+
+*/
+
+
+/**
+ * RoundCube result set class.
+ * Representing an address directory result set.
+ *
+ * @package Addressbook
+ */
+class rcube_result_set
+{
+  var $count = 0;
+  var $first = 0;
+  var $current = 0;
+  var $records = array();
+  
+  function __construct($c=0, $f=0)
+  {
+    $this->count = (int)$c;
+    $this->first = (int)$f;
+  }
+  
+  function rcube_result_set($c=0, $f=0)
+  {
+    $this->__construct($c, $f);
+  }
+  
+  function add($rec)
+  {
+    $this->records[] = $rec;
+  }
+  
+  function iterate()
+  {
+    return $this->records[$this->current++];
+  }
+  
+  function first()
+  {
+    $this->current = 0;
+    return $this->records[$this->current++];
+  }
+  
+  // alias
+  function next()
+  {
+    return $this->iterate();
+  }
+  
+  function seek($i)
+  {
+    $this->current = $i;
+  }
+  
+}
\ No newline at end of file
diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc
index 815331195..c9cf4fbbf 100644
--- a/program/include/rcube_shared.inc
+++ b/program/include/rcube_shared.inc
@@ -91,7 +91,7 @@ function rcube_browser()
  */
 function rcube_label($attrib)
 {
-  global $sess_user_lang, $INSTALL_PATH, $OUTPUT;
+  global $sess_user_lang, $OUTPUT;
   static $sa_text_data, $s_language, $utf8_decode;
 
   // extract attributes
@@ -111,8 +111,8 @@ function rcube_label($attrib)
     $sa_text_data = array();
     
     // get english labels (these should be complete)
-    @include($INSTALL_PATH.'program/localization/en_US/labels.inc');
-    @include($INSTALL_PATH.'program/localization/en_US/messages.inc');
+    @include(INSTALL_PATH.'program/localization/en_US/labels.inc');
+    @include(INSTALL_PATH.'program/localization/en_US/messages.inc');
 
     if (is_array($labels))
       $sa_text_data = $labels;
@@ -120,10 +120,10 @@ function rcube_label($attrib)
       $sa_text_data = array_merge($sa_text_data, $messages);
     
     // include user language files
-    if ($sess_user_lang!='en' && is_dir($INSTALL_PATH.'program/localization/'.$sess_user_lang))
+    if ($sess_user_lang!='en' && is_dir(INSTALL_PATH.'program/localization/'.$sess_user_lang))
     {
-      include_once($INSTALL_PATH.'program/localization/'.$sess_user_lang.'/labels.inc');
-      include_once($INSTALL_PATH.'program/localization/'.$sess_user_lang.'/messages.inc');
+      include_once(INSTALL_PATH.'program/localization/'.$sess_user_lang.'/labels.inc');
+      include_once(INSTALL_PATH.'program/localization/'.$sess_user_lang.'/messages.inc');
 
       if (is_array($labels))
         $sa_text_data = array_merge($sa_text_data, $labels);
diff --git a/program/include/rcube_template.php b/program/include/rcube_template.php
new file mode 100755
index 000000000..2002a62fc
--- /dev/null
+++ b/program/include/rcube_template.php
@@ -0,0 +1,1004 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/include/rcube_template.php                                    |
+ |                                                                       |
+ | This file is part of the RoundCube Webmail client                     |
+ | Copyright (C) 2006-2008, RoundCube Dev. - Switzerland                 |
+ | Licensed under the GNU GPL                                            |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Class to handle HTML page output using a skin template.             |
+ |   Extends rcube_html_page class from rcube_shared.inc                 |
+ |                                                                       |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+
+ $Id$
+
+ */
+
+
+/**
+ * Class to create HTML page output using a skin template
+ *
+ * @package View
+ * @todo Documentation
+ * @uses rcube_html_page
+ */
+class rcube_template extends rcube_html_page
+{
+    var $config;
+    var $task = '';
+    var $framed = false;
+    var $pagetitle = '';
+    var $env = array();
+    var $js_env = array();
+    var $js_commands = array();
+    var $object_handlers = array();
+
+    public $ajax_call = false;
+
+    /**
+     * Constructor
+     *
+     * @todo   Use jQuery's $(document).ready() here.
+     */
+    public function __construct(&$config, $task)
+    {
+        parent::__construct();
+
+        $this->task = $task;
+        $this->config = $config;
+
+        // add common javascripts
+        $javascript = 'var '.JS_OBJECT_NAME.' = new rcube_webmail();';
+
+        // don't wait for page onload. Call init at the bottom of the page (delayed)
+        $javascript_foot = "if (window.call_init)\n call_init('".JS_OBJECT_NAME."');";
+
+        $this->add_script($javascript, 'head_top');
+        $this->add_script($javascript_foot, 'foot');
+        $this->scripts_path = 'program/js/';
+        $this->include_script('common.js');
+        $this->include_script('app.js');
+
+        // register common UI objects
+        $this->add_handlers(array(
+            'loginform'       => array($this, 'login_form'),
+            'username'        => array($this, 'current_username'),
+            'message'         => array($this, 'message_container'),
+            'charsetselector' => array($this, 'charset_selector'),
+        ));
+    }
+
+    /**
+     * Set environment variable
+     *
+     * @param string Property name
+     * @param mixed Property value
+     * @param boolean True if this property should be added to client environment
+     */
+    public function set_env($name, $value, $addtojs = true)
+    {
+        $this->env[$name] = $value;
+        if ($addtojs || isset($this->js_env[$name])) {
+            $this->js_env[$name] = $value;
+        }
+    }
+
+
+    /**
+     * Set page title variable
+     */
+    public function set_pagetitle($title)
+    {
+        $this->pagetitle = $title;
+    }
+
+
+    /**
+     * Register a template object handler
+     *
+     * @param  string Object name
+     * @param  string Function name to call
+     * @return void
+     */
+    public function add_handler($obj, $func)
+    {
+        $this->object_handlers[$obj] = $func;
+    }
+
+    /**
+     * Register a list of template object handlers
+     *
+     * @param  array Hash array with object=>handler pairs
+     * @return void
+     */
+    public function add_handlers($arr)
+    {
+        $this->object_handlers = array_merge($this->object_handlers, $arr);
+    }
+
+    /**
+     * Register a GUI object to the client script
+     *
+     * @param  string Object name
+     * @param  string Object ID
+     * @return void
+     */
+    public function add_gui_object($obj, $id)
+    {
+        $this->add_script(JS_OBJECT_NAME.".gui_object('$obj', '$id');");
+    }
+
+    /**
+     * Call a client method
+     *
+     * @param string Method to call
+     * @param ... Additional arguments
+     */
+    public function command()
+    {
+        $this->js_commands[] = func_get_args();
+    }
+
+
+    /**
+     * Add a localized label to the client environment
+     */
+    public function add_label()
+    {
+        $arg_list = func_get_args();
+        foreach ($arg_list as $i => $name) {
+            $this->command('add_label', $name, rcube_label($name));
+        }
+    }
+
+
+    /**
+     * Invoke display_message command
+     *
+     * @param string Message to display
+     * @param string Message type [notice|confirm|error]
+     * @param array Key-value pairs to be replaced in localized text
+     * @uses self::command()
+     */
+    public function show_message($message, $type='notice', $vars=NULL)
+    {
+        $this->command(
+            'display_message',
+            rcube_label(array('name' => $message, 'vars' => $vars)),
+            $type);
+    }
+
+
+    /**
+     * Delete all stored env variables and commands
+     *
+     * @return void
+     * @uses   rcube_html::reset()
+     * @uses   self::$env
+     * @uses   self::$js_env
+     * @uses   self::$js_commands
+     * @uses   self::$object_handlers
+     */
+    public public function reset()
+    {
+        $this->env = array();
+        $this->js_env = array();
+        $this->js_commands = array();
+        $this->object_handlers = array();
+        parent::reset();
+    }
+
+
+    /**
+     * Send the request output to the client.
+     * This will either parse a skin tempalte or send an AJAX response
+     *
+     * @param string  Template name
+     * @param boolean True if script should terminate (default)
+     */
+    public function send($templ = null, $exit = true)
+    {
+        if ($templ != 'iframe') {
+            $this->parse($templ, false);
+        }
+        else {
+            $this->framed = $templ == 'iframe' ? true : $this->framed;
+            $this->write();
+        }
+
+        if ($exit) {
+            exit;
+        }
+    }
+
+    /**
+     * Process template and write to stdOut
+     *
+     * @param string HTML template
+     * @see rcube_html_page::write()
+     * @override
+     */
+    public function write($template = '')
+    {
+        // unlock interface after iframe load
+        if ($this->framed) {
+            array_unshift($this->js_commands, array('set_busy', false));
+        }
+        // write all env variables to client
+        $js = $this->framed ? "if(window.parent) {\n" : '';
+        $js .= $this->get_js_commands() . ($this->framed ? ' }' : '');
+        $this->add_script($js, 'head_top');
+
+        // call super method
+        parent::write($template, $this->config['skin_path']);
+    }
+
+    /**
+     * Parse a specific skin template and deliver to stdout
+     *
+     * Either returns nothing, or exists hard (exit();)
+     *
+     * @param  string  Template name
+     * @param  boolean Exit script
+     * @return void
+     * @link   http://php.net/manual/en/function.exit.php
+     */
+    private function parse($name = 'main', $exit = true)
+    {
+        $skin_path = $this->config['skin_path'];
+
+        // read template file
+        $templ = '';
+        $path = "$skin_path/templates/$name.html";
+
+        if (($fp = fopen($path, 'r')) === false) {
+            $message = '';
+            ob_start();
+            fopen($path, 'r');
+            $message.= ob_get_contents();
+            ob_end_clean();
+            rcube_error::raise(array(
+                'code' => 501,
+                'type' => 'php',
+                'line' => __LINE__,
+                'file' => __FILE__,
+                'message' => 'Error loading template for '.$name.': '.$message
+                ), true, true);
+            return false;
+        }
+        $templ = fread($fp, filesize($path));
+        fclose($fp);
+
+        // parse for specialtags
+        $output = $this->parse_conditions($templ);
+        $output = $this->parse_xml($output);
+
+        // add debug console
+        if ($this->config['debug_level'] & 8) {
+            $this->add_footer('<div style="position:absolute;top:5px;left:5px;width:400px;padding:0.2em;background:white;opacity:0.8;z-index:9000">
+                <a href="#toggle" onclick="con=document.getElementById(\'dbgconsole\');con.style.display=(con.style.display==\'none\'?\'block\':\'none\');return false">console</a>
+                <form action="/" name="debugform"><textarea name="console" id="dbgconsole" rows="20" cols="40" wrap="off" style="display:none;width:400px;border:none;font-size:x-small"></textarea></form></div>'
+            );
+        }
+        $output = $this->parse_with_globals($output);
+        $this->write(trim($output), $skin_path);
+        if ($exit) {
+            exit;
+        }
+    }
+
+
+    /**
+     * Return executable javascript code for all registered commands
+     *
+     * @return string $out
+     */
+    private function get_js_commands()
+    {
+        $out = '';
+        if (!$this->framed && !empty($this->js_env)) {
+            $out .= JS_OBJECT_NAME . '.set_env('.json_serialize($this->js_env).");\n";
+        }
+        foreach ($this->js_commands as $i => $args) {
+            $method = array_shift($args);
+            foreach ($args as $i => $arg) {
+                $args[$i] = json_serialize($arg);
+            }
+            $parent = $this->framed || preg_match('/^parent\./', $method);
+            $out .= sprintf(
+                "%s.%s(%s);\n",
+            ($parent ? 'parent.' : '') . JS_OBJECT_NAME,
+            preg_replace('/^parent\./', '', $method),
+            implode(',', $args)
+            );
+        }
+        // add command to set page title
+        if ($this->ajax_call && !empty($this->pagetitle)) {
+            $out .= sprintf(
+                "this.set_pagetitle('%s');\n",
+                JQ((!empty($this->config['product_name']) ? $this->config['product_name'].' :: ' : '') . $this->pagetitle)
+            );
+        }
+        return $out;
+    }
+
+    /**
+     * Make URLs starting with a slash point to skin directory
+     *
+     * @param  string Input string
+     * @return string
+     */
+    public function abs_url($str)
+    {
+        return preg_replace('/^\//', $this->config['skin_path'].'/', $str);
+    }
+
+
+    /*****  Template parsing methods  *****/
+
+    /**
+     * Replace all strings ($varname)
+     * with the content of the according global variable.
+     */
+    private function parse_with_globals($input)
+    {
+        $GLOBALS['__comm_path'] = Q($GLOBALS['COMM_PATH']);
+        return preg_replace('/\$(__[a-z0-9_\-]+)/e', '$GLOBALS["\\1"]', $input);
+    }
+
+    /**
+     * Public wrapper to dipp into template parsing.
+     *
+     * @param  string $input
+     * @return string
+     * @uses   rcube_template::parse_xml()
+     * @since  0.1-rc1
+     */
+    public function just_parse($input)
+    {
+        return $this->parse_xml($input);
+    }
+
+    /**
+     * Parse for conditional tags
+     *
+     * @param  string $input
+     * @return string
+     */
+    private function parse_conditions($input)
+    {
+        $matches = preg_split('/<roundcube:(if|elseif|else|endif)\s+([^>]+)>/is', $input, 2, PREG_SPLIT_DELIM_CAPTURE);
+        if ($matches && count($matches) == 4) {
+            if (preg_match('/^(else|endif)$/i', $matches[1])) {
+                return $matches[0] . $this->parse_conditions($matches[3]);
+            }
+            $attrib = parse_attrib_string($matches[2]);
+            if (isset($attrib['condition'])) {
+                $condmet = $this->check_condition($attrib['condition']);
+                $submatches = preg_split('/<roundcube:(elseif|else|endif)\s+([^>]+)>/is', $matches[3], 2, PREG_SPLIT_DELIM_CAPTURE);
+                if ($condmet) {
+                    $result = $submatches[0];
+                    $result.= ($submatches[1] != 'endif' ? preg_replace('/.*<roundcube:endif\s+[^>]+>/Uis', '', $submatches[3], 1) : $submatches[3]);
+                }
+                else {
+                    $result = "<roundcube:$submatches[1] $submatches[2]>" . $submatches[3];
+                }
+                return $matches[0] . $this->parse_conditions($result);
+            }
+            rcube_error::raise(array(
+                'code' => 500,
+                'type' => 'php',
+                'line' => __LINE__,
+                'file' => __FILE__,
+                'message' => "Unable to parse conditional tag " . $matches[2]
+            ), true, false);
+        }
+        return $input;
+    }
+
+
+    /**
+     * Determines if a given condition is met
+     *
+     * @todo   Get rid off eval() once I understand what this does.
+     * @todo   Extend this to allow real conditions, not just "set"
+     * @param  string Condition statement
+     * @return boolean True if condition is met, False is not
+     */
+    private function check_condition($condition)
+    {
+        $condition = preg_replace(
+            array(
+                '/session:([a-z0-9_]+)/i',
+                '/config:([a-z0-9_]+)/i',
+                '/env:([a-z0-9_]+)/i',
+                '/request:([a-z0-9_]+)/ie'
+            ),
+            array(
+                "\$_SESSION['\\1']",
+                "\$this->config['\\1']",
+                "\$this->env['\\1']",
+                "get_input_value('\\1', RCUVE_INPUT_GPC)"
+            ),
+            $condition);
+            
+            return eval("return (".$condition.");");
+    }
+
+
+    /**
+     * Search for special tags in input and replace them
+     * with the appropriate content
+     *
+     * @param  string Input string to parse
+     * @return string Altered input string
+     * @todo   Maybe a cache.
+     */
+    private function parse_xml($input)
+    {
+        return preg_replace('/<roundcube:([-_a-z]+)\s+([^>]+)>/Uie', "\$this->xml_command('\\1', '\\2')", $input);
+    }
+
+
+    /**
+     * Convert a xml command tag into real content
+     *
+     * @param  string Tag command: object,button,label, etc.
+     * @param  string Attribute string
+     * @return string Tag/Object content
+     */
+    private function xml_command($command, $str_attrib, $add_attrib = array())
+    {
+        $command = strtolower($command);
+        $attrib  = parse_attrib_string($str_attrib) + $add_attrib;
+
+        // empty output if required condition is not met
+        if (!empty($attrib['condition']) && !$this->check_condition($attrib['condition'])) {
+            return '';
+        }
+
+        // execute command
+        switch ($command) {
+            // return a button
+            case 'button':
+                if ($attrib['command']) {
+                    return $this->button($attrib);
+                }
+                break;
+
+            // show a label
+            case 'label':
+                if ($attrib['name'] || $attrib['command']) {
+                    return Q(rcube_label($attrib + array('vars' => array('product' => $this->config['product_name']))));
+                }
+                break;
+
+            // include a file
+            case 'include':
+                $path = realpath($this->config['skin_path'].$attrib['file']);
+                if ($fsize = filesize($path)) {
+                    if ($this->config['skin_include_php']) {
+                        $incl = $this->include_php($path);
+                    }
+                    else if ($fp = fopen($path, 'r')) {
+                        $incl = fread($fp, $fsize);
+                        fclose($fp);
+                    }
+                    return $this->parse_xml($incl);
+                }
+                break;
+
+            case 'plugin.include':
+                //rcube::tfk_debug(var_export($this->config['skin_path'], true));
+                $path = realpath($this->config['skin_path'].$attrib['file']);
+                if (!$path) {
+                    //rcube::tfk_debug("Does not exist:");
+                    //rcube::tfk_debug($this->config['skin_path']);
+                    //rcube::tfk_debug($attrib['file']);
+                    //rcube::tfk_debug($path);
+                }
+                $incl = file_get_contents($path);
+                if ($incl) {
+                    return $this->parse_xml($incl);
+                }
+                break;
+
+            // return code for a specific application object
+            case 'object':
+                $object = strtolower($attrib['name']);
+
+                // we are calling a class/method
+                if (($handler = $this->object_handlers[$object]) && is_array($handler)) {
+                    if ((is_object($handler[0]) && method_exists($handler[0], $handler[1])) ||
+                    (is_string($handler[0]) && class_exists($handler[0])))
+                    return call_user_func($handler, $attrib);
+                }
+                else if (function_exists($handler)) {
+                    // execute object handler function
+                    return call_user_func($handler, $attrib);
+                }
+
+                if ($object=='productname') {
+                    $name = !empty($this->config['product_name']) ? $this->config['product_name'] : 'RoundCube Webmail';
+                    return Q($name);
+                }
+                if ($object=='version') {
+                    return (string)RCMAIL_VERSION;
+                }
+                if ($object=='pagetitle') {
+                    $task  = $this->task;
+                    $title = !empty($this->config['product_name']) ? $this->config['product_name'].' :: ' : '';
+
+                    if (!empty($this->pagetitle)) {
+                        $title .= $this->pagetitle;
+                    }
+                    else if ($task == 'login') {
+                        $title = rcube_label(array('name' => 'welcome', 'vars' => array('product' => $this->config['product_name'])));
+                    }
+                    else {
+                        $title .= ucfirst($task);
+                    }
+
+                    return Q($title);
+                }
+                break;
+            
+            // return variable
+            case 'var':
+                $var = explode(':', $attrib['name']);
+                $name = $var[1];
+                $value = '';
+
+                switch ($var[0]) {
+                    case 'env':
+                        $value = $this->env[$name];
+                        break;
+                    case 'config':
+                        $value = $this->config[$name];
+                        if (is_array($value) && $value[$_SESSION['imap_host']]) {
+                            $value = $value[$_SESSION['imap_host']];
+                        }
+                        break;
+                    case 'request':
+                        $value = get_input_value($name, RCUBE_INPUT_GPC);
+                        break;
+                    case 'session':
+                        $value = $_SESSION[$name];
+                        break;
+                }
+
+                if (is_array($value)) {
+                    $value = implode(', ', $value);
+                }
+
+                return Q($value);
+                break;
+        }
+        return '';
+    }
+
+    /**
+     * Include a specific file and return it's contents
+     *
+     * @param string File path
+     * @return string Contents of the processed file
+     */
+    private function include_php($file)
+    {
+        ob_start();
+        include $file;
+        $out = ob_get_contents();
+        ob_end_clean();
+
+        return $out;
+    }
+
+
+    /**
+     * Create and register a button
+     *
+     * @param  array Named button attributes
+     * @return string HTML button
+     * @todo   Remove all inline JS calls and use jQuery instead.
+     * @todo   Remove all sprintf()'s - they are pretty, but also slow.
+     */
+    private function button($attrib)
+    {
+        global $CONFIG, $OUTPUT, $MAIN_TASKS;
+        static $sa_buttons = array();
+        static $s_button_count = 100;
+
+        // these commands can be called directly via url
+        $a_static_commands = array('compose', 'list');
+
+        $browser   = new rcube_browser();
+        $skin_path = $this->config['skin_path'];
+
+        if (!($attrib['command'] || $attrib['name'])) {
+            return '';
+        }
+        // try to find out the button type
+        if ($attrib['type']) {
+            $attrib['type'] = strtolower($attrib['type']);
+        }
+        else {
+            $attrib['type'] = ($attrib['image'] || $attrib['imagepas'] || $attrib['imageact']) ? 'image' : 'link';
+        }
+        $command = $attrib['command'];
+
+        // take the button from the stack
+        if ($attrib['name'] && $sa_buttons[$attrib['name']]) {
+            $attrib = $sa_buttons[$attrib['name']];
+        }
+        else if($attrib['image'] || $attrib['imageact'] || $attrib['imagepas'] || $attrib['class']) {
+            // add button to button stack
+            if (!$attrib['name']) {
+                $attrib['name'] = $command;
+            }
+            if (!$attrib['image']) {
+                $attrib['image'] = $attrib['imagepas'] ? $attrib['imagepas'] : $attrib['imageact'];
+            }
+            $sa_buttons[$attrib['name']] = $attrib;
+        }
+        else if ($command && $sa_buttons[$command]) {
+            // get saved button for this command/name
+            $attrib = $sa_buttons[$command];
+        }
+
+        // set border to 0 because of the link arround the button
+        if ($attrib['type']=='image' && !isset($attrib['border'])) {
+            $attrib['border'] = 0;
+        }
+        if (!$attrib['id']) {
+            $attrib['id'] =  sprintf('rcmbtn%d', $s_button_count++);
+        }
+        // get localized text for labels and titles
+        if ($attrib['title']) {
+            $attrib['title'] = Q(rcube_label($attrib['title']));
+        }
+        if ($attrib['label']) {
+            $attrib['label'] = Q(rcube_label($attrib['label']));
+        }
+        if ($attrib['alt']) {
+            $attrib['alt'] = Q(rcube_label($attrib['alt']));
+        }
+        // set title to alt attribute for IE browsers
+        if ($browser->ie && $attrib['title'] && !$attrib['alt']) {
+            $attrib['alt'] = $attrib['title'];
+            unset($attrib['title']);
+        }
+
+        // add empty alt attribute for XHTML compatibility
+        if (!isset($attrib['alt'])) {
+            $attrib['alt'] = '';
+        }
+
+        // register button in the system
+        if ($attrib['command']) {
+            $this->add_script(sprintf(
+                "%s.register_button('%s', '%s', '%s', '%s', '%s', '%s');",
+                JS_OBJECT_NAME,
+                $command,
+                $attrib['id'],
+                $attrib['type'],
+                $attrib['imageact'] ? $skin_path.$attrib['imageact'] : $attrib['classact'],
+                $attrib['imagesel'] ? $skin_path.$attrib['imagesel'] : $attrib['classsel'],
+                $attrib['imageover'] ? $skin_path.$attrib['imageover'] : ''
+            ));
+
+            // make valid href to specific buttons
+            if (in_array($attrib['command'], $MAIN_TASKS)) {
+                $attrib['href'] = Q(rcmail_url(null, null, $attrib['command']));
+            }
+            else if (in_array($attrib['command'], $a_static_commands)) {
+                $attrib['href'] = Q(rcmail_url($attrib['command']));
+            }
+        }
+
+        // overwrite attributes
+        if (!$attrib['href']) {
+            $attrib['href'] = '#';
+        }
+        if ($command) {
+            $attrib['onclick'] = sprintf(
+                "return %s.command('%s','%s',this)",
+                JS_OBJECT_NAME,
+                $command,
+                $attrib['prop']
+            );
+        }
+        if ($command && $attrib['imageover']) {
+            $attrib['onmouseover'] = sprintf(
+                "return %s.button_over('%s','%s')",
+                JS_OBJECT_NAME,
+                $command,
+                $attrib['id']
+            );
+            $attrib['onmouseout'] = sprintf(
+                "return %s.button_out('%s','%s')",
+                JS_OBJECT_NAME,
+                $command,
+                $attrib['id']
+            );
+        }
+
+        if ($command && $attrib['imagesel']) {
+            $attrib['onmousedown'] = sprintf(
+                "return %s.button_sel('%s','%s')",
+                JS_OBJECT_NAME,
+                $command,
+                $attrib['id']
+            );
+            $attrib['onmouseup'] = sprintf(
+                "return %s.button_out('%s','%s')",
+                JS_OBJECT_NAME,
+                $command,
+                $attrib['id']
+            );
+        }
+
+        $out = '';
+
+        // generate image tag
+        if ($attrib['type']=='image') {
+            $attrib_str = html::attrib_string(
+                $attrib,
+                array(
+                    'style', 'class', 'id', 'width',
+                    'height', 'border', 'hspace',
+                    'vspace', 'align', 'alt',
+                )
+            );
+            $img_tag = sprintf('<img src="%%s"%s />', $attrib_str);
+            $btn_content = sprintf($img_tag, $skin_path.$attrib['image']);
+            if ($attrib['label']) {
+                $btn_content .= ' '.$attrib['label'];
+            }
+            $link_attrib = array('href', 'onclick', 'onmouseover', 'onmouseout', 'onmousedown', 'onmouseup', 'title');
+        }
+        else if ($attrib['type']=='link') {
+            $btn_content = $attrib['label'] ? $attrib['label'] : $attrib['command'];
+            $link_attrib = array('href', 'onclick', 'title', 'id', 'class', 'style');
+        }
+        else if ($attrib['type']=='input') {
+            $attrib['type'] = 'button';
+
+            if ($attrib['label']) {
+                $attrib['value'] = $attrib['label'];
+            }
+
+            $attrib_str = html::attrib_string(
+                $attrib,
+                array(
+                    'type', 'value', 'onclick',
+                    'id', 'class', 'style'
+                )
+            );
+            $out = sprintf('<input%s disabled="disabled" />', $attrib_str);
+        }
+
+        // generate html code for button
+        if ($btn_content) {
+            $attrib_str = html::attrib_string($attrib, $link_attrib);
+            $out = sprintf('<a%s>%s</a>', $attrib_str, $btn_content);
+        }
+
+        return $out;
+    }
+
+
+    /*  ************* common functions delivering gui objects **************  */
+
+
+    /**
+     * GUI object 'username'
+     * Showing IMAP username of the current session
+     *
+     * @param array Named tag parameters (currently not used)
+     * @return string HTML code for the gui object
+     */
+    static function current_username($attrib)
+    {
+        global $USER;
+        static $username;
+
+        // alread fetched
+        if (!empty($username)) {
+            return $username;
+        }
+
+        // get e-mail address form default identity
+        if ($sql_arr = $USER->get_identity()) {
+          $s_username = $sql_arr['email'];
+        }
+        else if (strstr($_SESSION['username'], '@')) {
+            $username = $_SESSION['username'];
+        }
+        else {
+            $username = $_SESSION['username'].'@'.$_SESSION['imap_host'];
+        }
+
+        return $username;
+    }
+
+
+    /**
+     * GUI object 'loginform'
+     * Returns code for the webmail login form
+     *
+     * @param array Named parameters
+     * @return string HTML code for the gui object
+     */
+    private function login_form($attrib)
+    {
+        global $CONFIG, $SESS_HIDDEN_FIELD;
+        $default_host = $CONFIG['default_host'];
+
+        $_SESSION['temp'] = true;
+
+        $input_user   = new html_inputfield(array('name' => '_user', 'id' => 'rcmloginuser', 'size' => 30, 'autocomplete' => 'off'));
+        $input_pass   = new html_passwordfield(array('name' => '_pass', 'id' => 'rcmloginpwd', 'size' => 30));
+        $input_action = new html_hiddenfield(array('name' => '_action', 'value' => 'login'));
+        $input_host   = null;
+
+        if (is_array($default_host)) {
+            $input_host = new html_select(array('name' => '_host', 'id' => 'rcmloginhost'));
+
+            foreach ($default_host as $key => $value) {
+                if (!is_array($value)) {
+                    $input_host->add($value, (is_numeric($key) ? $value : $key));
+                }
+                else {
+                    $input_host = null;
+                    break;
+                }
+            }
+        }
+        else if (!strlen($default_host)) {
+            $input_host = new html_inputfield(array('name' => '_host', 'id' => 'rcmloginhost', 'size' => 30));
+        }
+
+        $form_name  = !empty($attrib['form']) ? $attrib['form'] : 'form';
+        $this->add_gui_object('loginform', $form_name);
+
+        // create HTML table with two cols
+        $table = new html_table(array('cols' => 2));
+
+        $table->add('title', html::label('rcmloginuser', Q(rcube_label('username'))));
+        $table->add(null, $input_user->show(get_input_value('_user', RCUVE_INPUT_POST)));
+
+        $table->add('title', html::label('rcmloginpwd', Q(rcube_label('password'))));
+        $table->add(null, $input_pass->show());
+
+        // add host selection row
+        if (is_object($input_host)) {
+            $table->add('title', html::label('rcmloginhost', Q(rcube_label('server'))));
+            $table->add(null, $input_host->show(get_input_value('_host', RCUVE_INPUT_POST)));
+        }
+
+        $out = $SESS_HIDDEN_FIELD;
+        $out .= $input_action->show();
+        $out .= $table->show();
+
+        // surround html output with a form tag
+        if (empty($attrib['form'])) {
+            $out = html::tag(
+                'form',
+                array(
+                    'name' => $form_name,
+                    'action' => "./",
+                    'method' => "post"
+                ),
+            $out);
+        }
+
+        return $out;
+    }
+
+
+    /**
+     * GUI object 'searchform'
+     * Returns code for search function
+     *
+     * @param array Named parameters
+     * @return string HTML code for the gui object
+     */
+    private function search_form($attrib)
+    {
+        // add some labels to client
+        $this->add_label('searching');
+
+        $attrib['name'] = '_q';
+
+        if (empty($attrib['id'])) {
+            $attrib['id'] = 'rcmqsearchbox';
+        }
+        $input_q = new html_inputfield($attrib);
+        $out = $input_q->show();
+
+        $this->add_gui_object('qsearchbox', $attrib['id']);
+
+        // add form tag around text field
+        if (empty($attrib['form'])) {
+            $out = html::tag(
+                'form',
+                array(
+                    'name' => "rcmqsearchform",
+                    'action' => "./",
+                    'onsubmit' => JS_OBJECT_NAME . ".command('search');return false;",
+                    'style' => "display:inline",
+                ),
+            $out);
+        }
+
+        return $out;
+    }
+
+
+    /**
+     * Builder for GUI object 'message'
+     *
+     * @param array Named tag parameters
+     * @return string HTML code for the gui object
+     */
+    private function message_container($attrib)
+    {
+        if (isset($attrib['id']) === false) {
+            $attrib['id'] = 'rcmMessageContainer';
+        }
+
+        $this->add_gui_object('message', $attrib['id']);
+        return html::div($attrib, "");
+    }
+
+
+    /**
+     * GUI object 'charsetselector'
+     *
+     * @param array Named parameters for the select tag
+     * @return string HTML code for the gui object
+     */
+    static function charset_selector($attrib)
+    {
+        // pass the following attributes to the form class
+        $field_attrib = array('name' => '_charset');
+        foreach ($attrib as $attr => $value) {
+            if (in_array($attr, array('id', 'class', 'style', 'size', 'tabindex'))) {
+                $field_attrib[$attr] = $value;
+            }
+        }
+        $charsets = array(
+            'US-ASCII'     => 'ASCII (English)',
+            'EUC-JP'       => 'EUC-JP (Japanese)',
+            'EUC-KR'       => 'EUC-KR (Korean)',
+            'BIG5'         => 'BIG5 (Chinese)',
+            'GB2312'       => 'GB2312 (Chinese)',
+            'ISO-2022-JP'  => 'ISO-2022-JP (Japanese)',
+            'ISO-8859-1'   => 'ISO-8859-1 (Latin-1)',
+            'ISO-8859-2'   => 'ISO-8895-2 (Central European)',
+            'ISO-8859-7'   => 'ISO-8859-7 (Greek)',
+            'ISO-8859-9'   => 'ISO-8859-9 (Turkish)',
+            'Windows-1251' => 'Windows-1251 (Cyrillic)',
+            'Windows-1252' => 'Windows-1252 (Western)',
+            'Windows-1255' => 'Windows-1255 (Hebrew)',
+            'Windows-1256' => 'Windows-1256 (Arabic)',
+            'Windows-1257' => 'Windows-1257 (Baltic)',
+            'UTF-8'        => 'UTF-8'
+            );
+
+            $select = new html_select($field_attrib);
+            $select->add(array_values($charsets), array_keys($charsets));
+
+            $set = $_POST['_charset'] ? $_POST['_charset'] : $this->get_charset();
+            return $select->show($set);
+    }
+
+}  // end class rcube_template
+
+
diff --git a/program/include/rcube_user.inc b/program/include/rcube_user.php
index e748758a9..e748758a9 100644
--- a/program/include/rcube_user.inc
+++ b/program/include/rcube_user.php