Changeset 1852

Timestamp:

Feb 23, 2007, 2:18:34 PM (18 years ago)

Author:

rvelices

Message:

Plugins:

• display author and and author url (if present) on plugin admin page
• uniformized versions/authors... for all plugins in svn
• security fix (html escape name, version, uri, author... to avoid javascript injection which could automatically simulate click on Install)
• added confirmation for install/uninstall plugins

Web services:

• web service explorer now caches method details in order to avoid unnecessary web calls
• web service explorer can now send parameters as arrays
• web service explorer uses now prototype.js version 1.5
• small improvements

• added and use function bad_request (sends http status code 400)

Location:

trunk

Files:

• admin/include/functions_plugins.inc.php (modified) (1 diff)
• admin/plugins.php (modified) (9 diffs)
• include/functions_html.inc.php (modified) (1 diff)
• include/functions_tag.inc.php (modified) (1 diff)
• include/section_init.inc.php (modified) (6 diffs)
• include/ws_core.inc.php (modified) (2 diffs)
• include/ws_functions.inc.php (modified) (6 diffs)
• plugins/add_index/main.inc.php (modified) (1 diff)
• plugins/admin_advices/main.inc.php (modified) (1 diff)
• plugins/admin_multi_view/main.inc.php (modified) (1 diff)
• plugins/event_tracer/main.inc.php (modified) (1 diff)
• plugins/hello_world/main.inc.php (modified) (1 diff)
• template/yoga/admin/plugins.tpl (modified) (1 diff)
• tools/prototype.js (modified) (70 diffs)
• tools/ws.htm (modified) (8 diffs)

trunk/admin/include/functions_plugins.inc.php

@@ -42 +42 @@
           )
       {
-        $plugin = array('name'=>$file, 'version'=>'0', 'uri'=>'', 'description'=>'');
+        $plugin = array(
+            'name'=>$file,
+            'version'=>'0',
+            'uri'=>'',
+            'description'=>'',
+            'author'=>'',
+          );
         $plg_data = implode( '', file($path.'/main.inc.php') );
 
-        if ( preg_match("|Plugin Name: (.*)|i", $plg_data, $val) )
+        if ( preg_match("|Plugin Name: (.*)|", $plg_data, $val) )
         {
           $plugin['name'] = trim( $val[1] );
         }
-        if (preg_match("|Version: (.*)|i", $plg_data, $val))
+        if (preg_match("|Version: (.*)|", $plg_data, $val))
         {
           $plugin['version'] = trim($val[1]);
         }
-        if ( preg_match("|Plugin URI: (.*)|i", $plg_data, $val) )
+        if ( preg_match("|Plugin URI: (.*)|", $plg_data, $val) )
         {
-          $plugin['uri'] = $val[1];
+          $plugin['uri'] = trim($val[1]);
         }
-        if ( preg_match("|Description: (.*)|i", $plg_data, $val) )
+        if ( preg_match("|Description: (.*)|", $plg_data, $val) )
         {
           $plugin['description'] = trim($val[1]);
         }
+        if ( preg_match("|Author: (.*)|", $plg_data, $val) )
+        {
+          $plugin['author'] = trim($val[1]);
+        }
+        if ( preg_match("|Author URI: (.*)|", $plg_data, $val) )
+        {
+          $plugin['author uri'] = trim($val[1]);
+        }
+        // IMPORTANT SECURITY !
+        $plugin = array_map('htmlspecialchars', $plugin);
         $plugins[$file] = $plugin;
       }

trunk/admin/plugins.php

@@ -4 +4 @@
 // | Copyright (C) 2003-2007 PhpWebGallery Team - http://phpwebgallery.net |
 // +-----------------------------------------------------------------------+
-// | branch        : BSF (Best So Far)
 // | file          : $Id$
 // | last update   : $Date$
@@ -39 +38 @@
 // |                     perform requested actions                         |
 // +-----------------------------------------------------------------------+
-if ( isset($_REQUEST['action']) and isset($_REQUEST['plugin'])  )
-{
-  $plugin_id = $_REQUEST['plugin'];
+if ( isset($_GET['action']) and isset($_GET['plugin'])  )
+{
+  $plugin_id = $_GET['plugin'];
   $crt_db_plugin = get_db_plugins('', $plugin_id);
   if (!empty($crt_db_plugin))
@@ -55 +54 @@
   $file_to_include = PHPWG_PLUGINS_PATH.$plugin_id.'/maintain.inc.php';
 
-  switch ( $_REQUEST['action'] )
+  switch ( $_GET['action'] )
   {
     case 'install':
@@ -90 +89 @@
       if ( !isset($crt_db_plugin) )
       {
-        array_push($errors, 'CANNOT '. $_REQUEST['action'] .' - NOT INSTALLED');
+        array_push($errors, 'CANNOT '. $_GET['action'] .' - NOT INSTALLED');
       }
       if ($crt_db_plugin['state']!='inactive')
@@ -115 +114 @@
       if ( !isset($crt_db_plugin) )
       {
-        die ('CANNOT '. $_REQUEST['action'] .' - NOT INSTALLED');
+        die ('CANNOT '. $_GET['action'] .' - NOT INSTALLED');
       }
       if ($crt_db_plugin['state']!='active')
@@ -135 +134 @@
       if ( !isset($crt_db_plugin) )
       {
-        die ('CANNOT '. $_REQUEST['action'] .' - NOT INSTALLED');
+        die ('CANNOT '. $_GET['action'] .' - NOT INSTALLED');
       }
       $query = '
@@ -182 +181 @@
     $display_name='<a href="'.$fs_plugin['uri'].'">'.$display_name.'</a>';
   }
+  $desc = $fs_plugin['description'];
+  if (!empty($fs_plugin['author']))
+  {
+    $desc.= ' (<em>';
+    if (!empty($fs_plugin['author uri']))
+    {
+      $desc.= '<a href="'.$fs_plugin['author uri'].'">'.$fs_plugin['author'].'</a>';
+    }
+    else
+    {
+      $desc.= $fs_plugin['author'];
+    }
+    $desc.= '</em>)';
+  }
   $template->assign_block_vars( 'plugins.plugin',
       array(
         'NAME' => $display_name,
         'VERSION' => $fs_plugin['version'],
-        'DESCRIPTION' => $fs_plugin['description'],
+        'DESCRIPTION' => $desc,
         'CLASS' => ($num++ % 2 == 1) ? 'row2' : 'row1',
         )
@@ -219 +232 @@
             )
           );
+        $template->assign_block_vars( 'plugins.plugin.action.confirm', array());
         break;
     }
@@ -230 +244 @@
         )
       );
+    $template->assign_block_vars( 'plugins.plugin.action.confirm', array());
   }
 }

trunk/include/functions_html.inc.php

@@ -628 +628 @@
 
 /**
+ * exits the current script with 400 code
+ * @param string msg a message to display
+ * @param string alternate_url redirect to this url
+ */
+function bad_request($msg, $alternate_url=null)
+{
+  set_status_header(400);
+  if ($alternate_url==null)
+    $alternate_url = make_index_url();
+  redirect_html( $alternate_url,
+    '<div style="text-align:left; margin-left:5em;margin-bottom:5em;">
+<h1 style="text-align:left; font-size:36px;">Bad request</h1><br/>'
+.$msg.'</div>',
+    5 );
+}
+
+/**
  * exits the current script with 404 code when a page cannot be found
  * @param string msg a message to display

trunk/include/functions_tag.inc.php

@@ -272 +272 @@
   return $tags;
 }
+
+/**
+ * return a list of tags corresponding to any of ids, url_names, names
+ *
+ * @param array ids
+ * @param array url_names
+ * @param array names
+ * @return array
+ */
+function find_tags($ids, $url_names=array(), $names=array() )
+{
+  $where_clauses = array();
+  if ( !empty($ids) )
+  {
+    $where_clauses[] = 'id IN ('.implode(',', $ids).')';
+  }
+  if ( !empty($url_names) )
+  {
+    $where_clauses[] =
+      'url_name IN ('.
+      implode(
+        ',',
+        array_map(
+          create_function('$s', 'return "\'".$s."\'";'),
+          $url_names
+          )
+        )
+      .')';
+  }
+  if ( !empty($names) )
+  {
+    $where_clauses[] =
+      'name IN ('.
+      implode(
+        ',',
+        array_map(
+          create_function('$s', 'return "\'".$s."\'";'),
+          $names
+          )
+        )
+      .')';
+  }
+  if (empty($where_clauses))
+  {
+    return array();
+  }
+
+  $query = '
+SELECT id, url_name, name
+  FROM '.TAGS_TABLE.'
+  WHERE '. implode( '
+    OR ', $where_clauses);
+
+  $result = pwg_query($query);
+  $tags = array();
+  while ($row = mysql_fetch_assoc($result))
+  {
+    array_push($tags, $row);
+  }
+  return $tags;
+}
 ?>

trunk/include/section_init.inc.php

@@ -5 +5 @@
 // | Copyright (C) 2003-2007 PhpWebGallery Team - http://phpwebgallery.net |
 // +-----------------------------------------------------------------------+
-// | branch        : BSF (Best So Far)
 // | file          : $Id$
 // | last update   : $Date$
@@ -120 +119 @@
       else
       {
-        die('Fatal: picture identifier is missing');
+        bad_request('picture identifier is missing');
       }
     }
@@ -160 +159 @@
     else
     {
-      array_push($requested_tag_url_names, "'".$tokens[$i]."'");
+      array_push($requested_tag_url_names, $tokens[$i]);
     }
     $i++;
@@ -168 +167 @@
   if ( empty($requested_tag_ids) && empty($requested_tag_url_names) )
   {
-    die('Fatal: at least one tag required');
-  }
-  // tag infos
-  $query = '
-SELECT name, url_name, id
-  FROM '.TAGS_TABLE.'
-  WHERE ';
-  if ( !empty($requested_tag_ids) )
-  {
-    $query.= 'id IN ('.implode(',', $requested_tag_ids ).')';
-  }
-  if ( !empty($requested_tag_url_names) )
-  {
-    if ( !empty($requested_tag_ids) )
-    {
-      $query.= ' OR ';
-    }
-    $query.= 'url_name IN ('.implode(',', $requested_tag_url_names ).')';
-  }
-  $result = pwg_query($query);
-  $tag_infos = array();
-  while ($row = mysql_fetch_assoc($result))
-  {
-    $tag_infos[ $row['id'] ] = $row;
-    array_push($page['tags'], $row );//we loose given tag order; is it important?
-  }
+    bad_request('at least one tag required');
+  }
+
+  $page['tags'] = find_tags($requested_tag_ids, $requested_tag_url_names);
   if ( empty($page['tags']) )
   {
@@ -229 +206 @@
   $next_token++;
 
-  preg_match('/(\d+)/', $tokens[$next_token], $matches);
+  preg_match('/(\d+)/', @$tokens[$next_token], $matches);
   if (!isset($matches[1]))
   {
-    die('Fatal: search identifier is missing');
+    bad_request('search identifier is missing');
   }
   $page['search'] = $matches[1];
@@ -255 +232 @@
     if (!preg_match('/^\d+(,\d+)*$/', $tokens[$next_token]))
     {
-      die('wrong format on list GET parameter');
+      bad_request('wrong format on list GET parameter');
     }
     foreach (explode(',', $tokens[$next_token]) as $image_id)

trunk/include/ws_core.inc.php

@@ -465 +465 @@
           $flags |= WS_PARAM_OPTIONAL;
         }
+        if ( $flags & WS_PARAM_FORCE_ARRAY )
+        {
+          $flags |= WS_PARAM_ACCEPT_ARRAY;
+        }
         $options['flags'] = $flags;
         $params[$param] = $options;
@@ -605 +609 @@
         'name' => $name,
         'optional' => ($options['flags']&WS_PARAM_OPTIONAL)?true:false,
+        'acceptArray' => ($options['flags']&WS_PARAM_ACCEPT_ARRAY)?true:false,
         );
       if (isset($options['default']))

trunk/include/ws_functions.inc.php

@@ -270 +270 @@
 function ws_getVersion($params, &$service)
 {
-//  TODO = Version availability is under control of $conf['show_version']
-  return PHPWG_VERSION;
+  global $conf;
+  if ($conf['show_version'])
+    return PHPWG_VERSION;
+  else
+    return new PwgError(403, 'Forbidden');
 }
 
@@ -337 +340 @@
 
     $order_by = ws_std_image_sql_order($params, 'i.');
-    if (empty($order_by))
-    {// TODO check for category order by (image_order)
-      $order_by = $conf['order_by'];
-    }
-    else
-    {
-      $order_by = 'ORDER BY '.$order_by;
-    }
+    if ( empty($order_by)
+          and count($params['cat_id'])==1
+          and isset($cats[ $params['cat_id'][0] ]['image_order'])
+        )
+    {
+      $order_by = $cats[ $params['cat_id'][0] ]['image_order'];
+    }
+    $order_by = empty($order_by) ? $conf['order_by'] : 'ORDER BY '.$order_by;
+
     $query = '
 SELECT i.*, GROUP_CONCAT(category_id) cat_ids
@@ -500 +504 @@
 function ws_images_addComment($params, &$service)
 {
+  if (!$service->isPost())
+  {
+    return new PwgError(405, "This method requires HTTP POST");
+  }
   $params['image_id'] = (int)$params['image_id'];
   $query = '
@@ -580 +588 @@
   if ($image_row==null)
   {
-    return new PwgError(999, "image_id not found");
+    return new PwgError(404, "image_id not found");
   }
   $image_row = array_merge( $image_row, ws_std_get_urls($image_row) );
@@ -860 +868 @@
   if (!$service->isPost())
   {
-    return new PwgError(400, "This method requires POST");
+    return new PwgError(405, "This method requires HTTP POST");
   }
   if (try_log_user($params['username'], $params['password'],false))
@@ -943 +951 @@
   @include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php');
   global $conf;
-
+  
   // first build all the tag_ids we are interested in
-  $tag_ids = array();
-  $tags = get_available_tags();
+  $params['tag_id'] = array_map( 'intval',$params['tag_id'] );
+  $tags = find_tags($params['tag_id'], $params['tag_url_name'], $params['tag_name']);
   $tags_by_id = array();
-  for( $i=0; $i<count($tags); $i++ )
-  {
-    $tags[$i]['id']=(int)$tags[$i]['id'];
-  }
   foreach( $tags as $tag )
   {
+    $tags['id'] = (int)$tag['id'];
     $tags_by_id[ $tag['id'] ] = $tag;
-    if (
-        in_array($tag['name'], $params['tag_name'])
-      or
-        in_array($tag['url_name'], $params['tag_url_name'])
-      or
-        in_array($tag['id'], $params['tag_id'])
-       )
-    {
-      $tag_ids[] = $tag['id'];
-    }
   }
   unset($tags);
-
-  $tag_ids = array_unique( $tag_ids );
+  $tag_ids = array_keys($tags_by_id);
+
 
   $image_ids = array();

trunk/plugins/add_index/main.inc.php

@@ -1 @@
-<?php
-/*
+<?php /*
 Plugin Name: Add Index
-Version: 1.1.0.0
+Version: 1.0
 Description: Add file index.php file on all sub-directories of local galleries pictures. / Ajoute le fichier index.php sur les sous-répertoires de galeries d'images locales.
 Plugin URI: http://www.phpwebgallery.net
+Author: PhpWebGallery team
+Author URI: http://www.phpwebgallery.net
 */
 // +-----------------------------------------------------------------------+

trunk/plugins/admin_advices/main.inc.php

@@ -1 +1 @@
 <?php /*
-Plugin Name: Admin Advices !
-Version: 1.0.0
-Author: PhpWebGallery team
+Plugin Name: Admin Advices
+Version: 1.0
 Description: Give you an advice on the administration page.
 Plugin URI: http://www.phpwebgallery.net
+Author: PhpWebGallery team
+Author URI: http://www.phpwebgallery.net
 */
 

trunk/plugins/admin_multi_view/main.inc.php

@@ -4 +4 @@
 Description: Allows administrators to view gallery as guests and/or change the language and/or theme on the fly. Practical to debug changes ...
 Plugin URI: http://www.phpwebgallery.net
+Author: PhpWebGallery team
+Author URI: http://www.phpwebgallery.net
 */
 

trunk/plugins/event_tracer/main.inc.php

@@ -1 @@
-<?php
-/*
+<?php /*
 Plugin Name: Event tracer
 Version: 1.0
 Description: For developers. Shows all calls to trigger_event.
 Plugin URI: http://www.phpwebgallery.net
+Author: PhpWebGallery team
+Author URI: http://www.phpwebgallery.net
 */
 if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');

trunk/plugins/hello_world/main.inc.php

@@ -1 +1 @@
 <?php /*
-Plugin Name: Hello World !
+Plugin Name: Hello World
+Version: 1.0
+Description: This example plugin changes the page banner for the administration page.
+Plugin URI: http://www.phpwebgallery.net
 Author: PhpWebGallery team
-Description: This example plugin changes the page banner for the administration page.
+Author URI: http://www.phpwebgallery.net
 */
 

trunk/template/yoga/admin/plugins.tpl

@@ -20 +20 @@
   <td>
   <!-- BEGIN action -->
-  <a href="{plugins.plugin.action.U_ACTION}" {TAG_INPUT_ENABLED}>{plugins.plugin.action.L_ACTION}</a>
+  <a href="{plugins.plugin.action.U_ACTION}"
+<!-- BEGIN confirm -->
+    onclick="return confirm('Are you sure?');"
+<!-- END confirm -->
+    {TAG_INPUT_ENABLED}>{plugins.plugin.action.L_ACTION}</a>
   <!-- END action -->
   </td>

trunk/tools/prototype.js

@@ -1 @@
-/*  Prototype JavaScript framework, version 1.4.0
- *  (c) 2005 Sam Stephenson <sam@conio.net>
+/*  Prototype JavaScript framework, version 1.5.0
+ *  (c) 2005-2007 Sam Stephenson
  *
  *  Prototype is freely distributable under the terms of an MIT-style license.
@@ -8 +8 @@
 
 var Prototype = {
-  Version: '1.4.0',
+  Version: '1.5.0',
+  BrowserFeatures: {
+    XPath: !!document.evaluate
+  },
+
   ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
-
   emptyFunction: function() {},
-  K: function(x) {return x}
+  K: function(x) { return x }
 }
 
@@ -26 +29 @@
 
 Object.extend = function(destination, source) {
-  for (property in source) {
+  for (var property in source) {
     destination[property] = source[property];
   }
@@ -32 +35 @@
 }
 
-Object.inspect = function(object) {
-  try {
-    if (object == undefined) return 'undefined';
-    if (object == null) return 'null';
-    return object.inspect ? object.inspect() : object.toString();
-  } catch (e) {
-    if (e instanceof RangeError) return '...';
-    throw e;
-  }
-}
+Object.extend(Object, {
+  inspect: function(object) {
+    try {
+      if (object === undefined) return 'undefined';
+      if (object === null) return 'null';
+      return object.inspect ? object.inspect() : object.toString();
+    } catch (e) {
+      if (e instanceof RangeError) return '...';
+      throw e;
+    }
+  },
+
+  keys: function(object) {
+    var keys = [];
+    for (var property in object)
+      keys.push(property);
+    return keys;
+  },
+
+  values: function(object) {
+    var values = [];
+    for (var property in object)
+      values.push(object[property]);
+    return values;
+  },
+
+  clone: function(object) {
+    return Object.extend({}, object);
+  }
+});
 
 Function.prototype.bind = function() {
@@ -51 +74 @@
 
 Function.prototype.bindAsEventListener = function(object) {
-  var __method = this;
+  var __method = this, args = $A(arguments), object = args.shift();
   return function(event) {
-    return __method.call(object, event || window.event);
+    return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments)));
   }
 }
@@ -78 +101 @@
     var returnValue;
 
-    for (var i = 0; i < arguments.length; i++) {
+    for (var i = 0, length = arguments.length; i < length; i++) {
       var lambda = arguments[i];
       try {
@@ -103 +126 @@
 
   registerCallback: function() {
-    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
+    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
+  },
+
+  stop: function() {
+    if (!this.timer) return;
+    clearInterval(this.timer);
+    this.timer = null;
   },
 
@@ -110 +139 @@
       try {
         this.currentlyExecuting = true;
-        this.callback();
+        this.callback(this);
       } finally {
         this.currentlyExecuting = false;
@@ -117 +146 @@
   }
 }
-
-/*--------------------------------------------------------------------------*/
-
-function $() {
-  var elements = new Array();
-
-  for (var i = 0; i < arguments.length; i++) {
-    var element = arguments[i];
-    if (typeof element == 'string')
-      element = document.getElementById(element);
-
-    if (arguments.length == 1)
-      return element;
-
-    elements.push(element);
-  }
-
-  return elements;
-}
+String.interpret = function(value){
+  return value == null ? '' : String(value);
+}
+
 Object.extend(String.prototype, {
+  gsub: function(pattern, replacement) {
+    var result = '', source = this, match;
+    replacement = arguments.callee.prepareReplacement(replacement);
+
+    while (source.length > 0) {
+      if (match = source.match(pattern)) {
+        result += source.slice(0, match.index);
+        result += String.interpret(replacement(match));
+        source  = source.slice(match.index + match[0].length);
+      } else {
+        result += source, source = '';
+      }
+    }
+    return result;
+  },
+
+  sub: function(pattern, replacement, count) {
+    replacement = this.gsub.prepareReplacement(replacement);
+    count = count === undefined ? 1 : count;
+
+    return this.gsub(pattern, function(match) {
+      if (--count < 0) return match[0];
+      return replacement(match);
+    });
+  },
+
+  scan: function(pattern, iterator) {
+    this.gsub(pattern, iterator);
+    return this;
+  },
+
+  truncate: function(length, truncation) {
+    length = length || 30;
+    truncation = truncation === undefined ? '...' : truncation;
+    return this.length > length ?
+      this.slice(0, length - truncation.length) + truncation : this;
+  },
+
+  strip: function() {
+    return this.replace(/^\s+/, '').replace(/\s+$/, '');
+  },
+
   stripTags: function() {
     return this.replace(/<\/?[^>]+>/gi, '');
@@ -154 +210 @@
 
   evalScripts: function() {
-    return this.extractScripts().map(eval);
+    return this.extractScripts().map(function(script) { return eval(script) });
   },
 
@@ -167 +223 @@
     var div = document.createElement('div');
     div.innerHTML = this.stripTags();
-    return div.childNodes[0] ? div.childNodes[0].nodeValue : '';
-  },
-
-  toQueryParams: function() {
-    var pairs = this.match(/^\??(.*)$/)[1].split('&');
-    return pairs.inject({}, function(params, pairString) {
-      var pair = pairString.split('=');
-      params[pair[0]] = pair[1];
-      return params;
+    return div.childNodes[0] ? (div.childNodes.length > 1 ?
+      $A(div.childNodes).inject('',function(memo,node){ return memo+node.nodeValue }) :
+      div.childNodes[0].nodeValue) : '';
+  },
+
+  toQueryParams: function(separator) {
+    var match = this.strip().match(/([^?#]*)(#.*)?$/);
+    if (!match) return {};
+
+    return match[1].split(separator || '&').inject({}, function(hash, pair) {
+      if ((pair = pair.split('='))[0]) {
+        var name = decodeURIComponent(pair[0]);
+        var value = pair[1] ? decodeURIComponent(pair[1]) : undefined;
+
+        if (hash[name] !== undefined) {
+          if (hash[name].constructor != Array)
+            hash[name] = [hash[name]];
+          if (value) hash[name].push(value);
+        }
+        else hash[name] = value;
+      }
+      return hash;
     });
   },
@@ -183 +252 @@
   },
 
+  succ: function() {
+    return this.slice(0, this.length - 1) +
+      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
+  },
+
   camelize: function() {
-    var oStringList = this.split('-');
-    if (oStringList.length == 1) return oStringList[0];
-
-    var camelizedString = this.indexOf('-') == 0
-      ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1)
-      : oStringList[0];
-
-    for (var i = 1, len = oStringList.length; i < len; i++) {
-      var s = oStringList[i];
-      camelizedString += s.charAt(0).toUpperCase() + s.substring(1);
-    }
-
-    return camelizedString;
-  },
-
-  inspect: function() {
-    return "'" + this.replace('\\', '\\\\').replace("'", '\\\'') + "'";
+    var parts = this.split('-'), len = parts.length;
+    if (len == 1) return parts[0];
+
+    var camelized = this.charAt(0) == '-'
+      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
+      : parts[0];
+
+    for (var i = 1; i < len; i++)
+      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
+
+    return camelized;
+  },
+
+  capitalize: function(){
+    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
+  },
+
+  underscore: function() {
+    return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
+  },
+
+  dasherize: function() {
+    return this.gsub(/_/,'-');
+  },
+
+  inspect: function(useDoubleQuotes) {
+    var escapedString = this.replace(/\\/g, '\\\\');
+    if (useDoubleQuotes)
+      return '"' + escapedString.replace(/"/g, '\\"') + '"';
+    else
+      return "'" + escapedString.replace(/'/g, '\\\'') + "'";
   }
 });
 
+String.prototype.gsub.prepareReplacement = function(replacement) {
+  if (typeof replacement == 'function') return replacement;
+  var template = new Template(replacement);
+  return function(match) { return template.evaluate(match) };
+}
+
 String.prototype.parseQuery = String.prototype.toQueryParams;
+
+var Template = Class.create();
+Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
+Template.prototype = {
+  initialize: function(template, pattern) {
+    this.template = template.toString();
+    this.pattern  = pattern || Template.Pattern;
+  },
+
+  evaluate: function(object) {
+    return this.template.gsub(this.pattern, function(match) {
+      var before = match[1];
+      if (before == '\\') return match[2];
+      return before + String.interpret(object[match[3]]);
+    });
+  }
+}
 
 var $break    = new Object();
@@ -223 +334 @@
       if (e != $break) throw e;
     }
+    return this;
+  },
+
+  eachSlice: function(number, iterator) {
+    var index = -number, slices = [], array = this.toArray();
+    while ((index += number) < array.length)
+      slices.push(array.slice(index, index+number));
+    return slices.map(iterator);
   },
 
@@ -235 +354 @@
 
   any: function(iterator) {
-    var result = true;
+    var result = false;
     this.each(function(value, index) {
       if (result = !!(iterator || Prototype.K)(value, index))
@@ -246 +365 @@
     var results = [];
     this.each(function(value, index) {
-      results.push(iterator(value, index));
+      results.push((iterator || Prototype.K)(value, index));
     });
     return results;
   },
 
-  detect: function (iterator) {
+  detect: function(iterator) {
     var result;
     this.each(function(value, index) {
@@ -292 +411 @@
   },
 
+  inGroupsOf: function(number, fillWith) {
+    fillWith = fillWith === undefined ? null : fillWith;
+    return this.eachSlice(number, function(slice) {
+      while(slice.length < number) slice.push(fillWith);
+      return slice;
+    });
+  },
+
   inject: function(memo, iterator) {
     this.each(function(value, index) {
@@ -301 +428 @@
   invoke: function(method) {
     var args = $A(arguments).slice(1);
-    return this.collect(function(value) {
+    return this.map(function(value) {
       return value[method].apply(value, args);
     });
@@ -310 +437 @@
     this.each(function(value, index) {
       value = (iterator || Prototype.K)(value, index);
-      if (value >= (result || value))
+      if (result == undefined || value >= result)
         result = value;
     });
@@ -320 +447 @@
     this.each(function(value, index) {
       value = (iterator || Prototype.K)(value, index);
-      if (value <= (result || value))
+      if (result == undefined || value < result)
         result = value;
     });
@@ -353 +480 @@
 
   sortBy: function(iterator) {
-    return this.collect(function(value, index) {
+    return this.map(function(value, index) {
       return {value: value, criteria: iterator(value, index)};
     }).sort(function(left, right) {
@@ -362 +489 @@
 
   toArray: function() {
-    return this.collect(Prototype.K);
+    return this.map();
   },
 
@@ -372 +499 @@
     var collections = [this].concat(args).map($A);
     return this.map(function(value, index) {
-      iterator(value = collections.pluck(index));
-      return value;
-    });
+      return iterator(collections.pluck(index));
+    });
+  },
+
+  size: function() {
+    return this.toArray().length;
   },
 
@@ -395 +525 @@
   } else {
     var results = [];
-    for (var i = 0; i < iterable.length; i++)
+    for (var i = 0, length = iterable.length; i < length; i++)
       results.push(iterable[i]);
     return results;
@@ -403 +533 @@
 Object.extend(Array.prototype, Enumerable);
 
-Array.prototype._reverse = Array.prototype.reverse;
+if (!Array.prototype._reverse)
+  Array.prototype._reverse = Array.prototype.reverse;
 
 Object.extend(Array.prototype, {
   _each: function(iterator) {
-    for (var i = 0; i < this.length; i++)
+    for (var i = 0, length = this.length; i < length; i++)
       iterator(this[i]);
   },
@@ -426 +557 @@
   compact: function() {
     return this.select(function(value) {
-      return value != undefined || value != null;
+      return value != null;
     });
   },
@@ -432 +563 @@
   flatten: function() {
     return this.inject([], function(array, value) {
-      return array.concat(value.constructor == Array ?
+      return array.concat(value && value.constructor == Array ?
         value.flatten() : [value]);
     });
@@ -445 +576 @@
 
   indexOf: function(object) {
-    for (var i = 0; i < this.length; i++)
+    for (var i = 0, length = this.length; i < length; i++)
       if (this[i] == object) return i;
     return -1;
@@ -454 +585 @@
   },
 
-  shift: function() {
-    var result = this[0];
-    for (var i = 0; i < this.length - 1; i++)
-      this[i] = this[i + 1];
-    this.length--;
-    return result;
+  reduce: function() {
+    return this.length > 1 ? this : this[0];
+  },
+
+  uniq: function() {
+    return this.inject([], function(array, value) {
+      return array.include(value) ? array : array.concat([value]);
+    });
+  },
+
+  clone: function() {
+    return [].concat(this);
+  },
+
+  size: function() {
+    return this.length;
   },
 
@@ -466 +607 @@
   }
 });
-var Hash = {
+
+Array.prototype.toArray = Array.prototype.clone;
+
+function $w(string){
+  string = string.strip();
+  return string ? string.split(/\s+/) : [];
+}
+
+if(window.opera){
+  Array.prototype.concat = function(){
+    var array = [];
+    for(var i = 0, length = this.length; i < length; i++) array.push(this[i]);
+    for(var i = 0, length = arguments.length; i < length; i++) {
+      if(arguments[i].constructor == Array) {
+        for(var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
+          array.push(arguments[i][j]);
+      } else {
+        array.push(arguments[i]);
+      }
+    }
+    return array;
+  }
+}
+var Hash = function(obj) {
+  Object.extend(this, obj || {});
+};
+
+Object.extend(Hash, {
+  toQueryString: function(obj) {
+    var parts = [];
+
+          this.prototype._each.call(obj, function(pair) {
+      if (!pair.key) return;
+
+      if (pair.value && pair.value.constructor == Array) {
+        var values = pair.value.compact();
+        if (values.length < 2) pair.value = values.reduce();
+        else {
+                key = encodeURIComponent(pair.key);
+          values.each(function(value) {
+            value = value != undefined ? encodeURIComponent(value) : '';
+            parts.push(key + '=' + encodeURIComponent(value));
+          });
+          return;
+        }
+      }
+      if (pair.value == undefined) pair[1] = '';
+      parts.push(pair.map(encodeURIComponent).join('='));
+          });
+
+    return parts.join('&');
+  }
+});
+
+Object.extend(Hash.prototype, Enumerable);
+Object.extend(Hash.prototype, {
   _each: function(iterator) {
-    for (key in this) {
+    for (var key in this) {
       var value = this[key];
-      if (typeof value == 'function') continue;
+      if (value && value == Hash.prototype[key]) continue;
 
       var pair = [key, value];
@@ -488 +684 @@
 
   merge: function(hash) {
-    return $H(hash).inject($H(this), function(mergedHash, pair) {
+    return $H(hash).inject(this, function(mergedHash, pair) {
       mergedHash[pair.key] = pair.value;
       return mergedHash;
@@ -494 +690 @@
   },
 
+  remove: function() {
+    var result;
+    for(var i = 0, length = arguments.length; i < length; i++) {
+      var value = this[arguments[i]];
+      if (value !== undefined){
+        if (result === undefined) result = value;
+        else {
+          if (result.constructor != Array) result = [result];
+          result.push(value)
+        }
+      }
+      delete this[arguments[i]];
+    }
+    return result;
+  },
+
   toQueryString: function() {
-    return this.map(function(pair) {
-      return pair.map(encodeURIComponent).join('=');
-    }).join('&');
+    return Hash.toQueryString(this);
   },
 
@@ -505 +715 @@
     }).join(', ') + '}>';
   }
-}
+});
 
 function $H(object) {
-  var hash = Object.extend({}, object || {});
-  Object.extend(hash, Enumerable);
-  Object.extend(hash, Hash);
-  return hash;
-}
+  if (object && object.constructor == Hash) return object;
+  return new Hash(object);
+};
 ObjectRange = Class.create();
 Object.extend(ObjectRange.prototype, Enumerable);
@@ -524 +732 @@
   _each: function(iterator) {
     var value = this.start;
-    do {
+    while (this.include(value)) {
       iterator(value);
       value = value.succ();
-    } while (this.include(value));
+    }
   },
 
@@ -546 +754 @@
   getTransport: function() {
     return Try.these(
+      function() {return new XMLHttpRequest()},
       function() {return new ActiveXObject('Msxml2.XMLHTTP')},
-      function() {return new ActiveXObject('Microsoft.XMLHTTP')},
-      function() {return new XMLHttpRequest()}
+      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
     ) || false;
   },
@@ -562 +770 @@
   },
 
-  register: function(responderToAdd) {
-    if (!this.include(responderToAdd))
-      this.responders.push(responderToAdd);
-  },
-
-  unregister: function(responderToRemove) {
-    this.responders = this.responders.without(responderToRemove);
+  register: function(responder) {
+    if (!this.include(responder))
+      this.responders.push(responder);
+  },
+
+  unregister: function(responder) {
+    this.responders = this.responders.without(responder);
   },
 
   dispatch: function(callback, request, transport, json) {
     this.each(function(responder) {
-      if (responder[callback] && typeof responder[callback] == 'function') {
+      if (typeof responder[callback] == 'function') {
         try {
           responder[callback].apply(responder, [request, transport, json]);
@@ -588 +796 @@
     Ajax.activeRequestCount++;
   },
-
   onComplete: function() {
     Ajax.activeRequestCount--;
@@ -600 +807 @@
       method:       'post',
       asynchronous: true,
+      contentType:  'application/x-www-form-urlencoded',
+      encoding:     'UTF-8',
       parameters:   ''
     }
     Object.extend(this.options, options || {});
-  },
-
-  responseIsSuccess: function() {
-    return this.transport.status == undefined
-        || this.transport.status == 0
-        || (this.transport.status >= 200 && this.transport.status < 300);
-  },
-
-  responseIsFailure: function() {
-    return !this.responseIsSuccess();
+
+    this.options.method = this.options.method.toLowerCase();
+    if (typeof this.options.parameters == 'string')
+      this.options.parameters = this.options.parameters.toQueryParams();
   }
 }
@@ -621 +824 @@
 
 Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
+  _complete: false,
+
   initialize: function(url, options) {
     this.transport = Ajax.getTransport();
@@ -628 +833 @@
 
   request: function(url) {
-    var parameters = this.options.parameters || '';
-    if (parameters.length > 0) parameters += '&_=';
+    this.url = url;
+    this.method = this.options.method;
+    var params = this.options.parameters;
+
+    if (!['get', 'post'].include(this.method)) {
+      // simulate other verbs over post
+      params['_method'] = this.method;
+      this.method = 'post';
+    }
+
+    params = Hash.toQueryString(params);
+    if (params && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) params += '&_='
+
+    // when GET, append parameters to URL
+    if (this.method == 'get' && params)
+      this.url += (this.url.indexOf('?') > -1 ? '&' : '?') + params;
 
     try {
-      this.url = url;
-      if (this.options.method == 'get' && parameters.length > 0)
-        this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;
-
       Ajax.Responders.dispatch('onCreate', this, this.transport);
 
-      this.transport.open(this.options.method, this.url,
+      this.transport.open(this.method.toUpperCase(), this.url,
         this.options.asynchronous);
 
-      if (this.options.asynchronous) {
-        this.transport.onreadystatechange = this.onStateChange.bind(this);
-        setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
+      if (this.options.asynchronous)
+        setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10);
+
+      this.transport.onreadystatechange = this.onStateChange.bind(this);
+      this.setRequestHeaders();
+
+      var body = this.method == 'post' ? (this.options.postBody || params) : null;
+
+      this.transport.send(body);
+
+      /* Force Firefox to handle ready state 4 for synchronous requests */
+      if (!this.options.asynchronous && this.transport.overrideMimeType)
+        this.onStateChange();
+
+    }
+    catch (e) {
+      this.dispatchException(e);
+    }
+  },
+
+  onStateChange: function() {
+    var readyState = this.transport.readyState;
+    if (readyState > 1 && !((readyState == 4) && this._complete))
+      this.respondToReadyState(this.transport.readyState);
+  },
+
+  setRequestHeaders: function() {
+    var headers = {
+      'X-Requested-With': 'XMLHttpRequest',
+      'X-Prototype-Version': Prototype.Version,
+      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
+    };
+
+    if (this.method == 'post') {
+      headers['Content-type'] = this.options.contentType +
+        (this.options.encoding ? '; charset=' + this.options.encoding : '');
+
+      /* Force "Connection: close" for older Mozilla browsers to work
+       * around a bug where XMLHttpRequest sends an incorrect
+       * Content-length header. See Mozilla Bugzilla #246651.
+       */
+      if (this.transport.overrideMimeType &&
+          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
+            headers['Connection'] = 'close';
+    }
+
+    // user-defined headers
+    if (typeof this.options.requestHeaders == 'object') {
+      var extras = this.options.requestHeaders;
+
+      if (typeof extras.push == 'function')
+        for (var i = 0, length = extras.length; i < length; i += 2)
+          headers[extras[i]] = extras[i+1];
+      else
+        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
+    }
+
+    for (var name in headers)
+      this.transport.setRequestHeader(name, headers[name]);
+  },
+
+  success: function() {
+    return !this.transport.status
+        || (this.transport.status >= 200 && this.transport.status < 300);
+  },
+
+  respondToReadyState: function(readyState) {
+    var state = Ajax.Request.Events[readyState];
+    var transport = this.transport, json = this.evalJSON();
+
+    if (state == 'Complete') {
+      try {
+        this._complete = true;
+        (this.options['on' + this.transport.status]
+         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
+         || Prototype.emptyFunction)(transport, json);
+      } catch (e) {
+        this.dispatchException(e);
       }
 
-      this.setRequestHeaders();
-
-      var body = this.options.postBody ? this.options.postBody : parameters;
-      this.transport.send(this.options.method == 'post' ? body : null);
-
+      if ((this.getHeader('Content-type') || 'text/javascript').strip().
+        match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i))
+          this.evalResponse();
+    }
+
+    try {
+      (this.options['on' + state] || Prototype.emptyFunction)(transport, json);
+      Ajax.Responders.dispatch('on' + state, this, transport, json);
     } catch (e) {
       this.dispatchException(e);
     }
-  },
-
-  setRequestHeaders: function() {
-    var requestHeaders =
-      ['X-Requested-With', 'XMLHttpRequest',
-       'X-Prototype-Version', Prototype.Version];
-
-    if (this.options.method == 'post') {
-      requestHeaders.push('Content-type',
-        'application/x-www-form-urlencoded');
-
-      /* Force "Connection: close" for Mozilla browsers to work around
-       * a bug where XMLHttpReqeuest sends an incorrect Content-length
-       * header. See Mozilla Bugzilla #246651.
-       */
-      if (this.transport.overrideMimeType)
-        requestHeaders.push('Connection', 'close');
-    }
-
-    if (this.options.requestHeaders)
-      requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);
-
-    for (var i = 0; i < requestHeaders.length; i += 2)
-      this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
-  },
-
-  onStateChange: function() {
-    var readyState = this.transport.readyState;
-    if (readyState != 1)
-      this.respondToReadyState(this.transport.readyState);
-  },
-
-  header: function(name) {
+
+    if (state == 'Complete') {
+      // avoid memory leak in MSIE: clean up
+      this.transport.onreadystatechange = Prototype.emptyFunction;
+    }
+  },
+
+  getHeader: function(name) {
     try {
       return this.transport.getResponseHeader(name);
-    } catch (e) {}
+    } catch (e) { return null }
   },
 
   evalJSON: function() {
     try {
-      return eval(this.header('X-JSON'));
-    } catch (e) {}
+      var json = this.getHeader('X-JSON');
+      return json ? eval('(' + json + ')') : null;
+    } catch (e) { return null }
   },
 
@@ -706 +975 @@
   },
 
-  respondToReadyState: function(readyState) {
-    var event = Ajax.Request.Events[readyState];
-    var transport = this.transport, json = this.evalJSON();
-
-    if (event == 'Complete') {
-      try {
-        (this.options['on' + this.transport.status]
-         || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
-         || Prototype.emptyFunction)(transport, json);
-      } catch (e) {
-        this.dispatchException(e);
-      }
-
-      if ((this.header('Content-type') || '').match(/^text\/javascript/i))
-        this.evalResponse();
-    }
-
-    try {
-      (this.options['on' + event] || Prototype.emptyFunction)(transport, json);
-      Ajax.Responders.dispatch('on' + event, this, transport, json);
-    } catch (e) {
-      this.dispatchException(e);
-    }
-
-    /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
-    if (event == 'Complete')
-      this.transport.onreadystatechange = Prototype.emptyFunction;
-  },
-
   dispatchException: function(exception) {
     (this.options.onException || Prototype.emptyFunction)(this, exception);
@@ -745 +985 @@
 Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
   initialize: function(container, url, options) {
-    this.containers = {
-      success: container.success ? $(container.success) : $(container),
-      failure: container.failure ? $(container.failure) :
-        (container.success ? null : $(container))
+    this.container = {
+      success: (container.success || container),
+      failure: (container.failure || (container.success ? null : container))
     }
 
@@ -755 +994 @@
 
     var onComplete = this.options.onComplete || Prototype.emptyFunction;
-    this.options.onComplete = (function(transport, object) {
+    this.options.onComplete = (function(transport, param) {
       this.updateContent();
-      onComplete(transport, object);
+      onComplete(transport, param);
     }).bind(this);
 
@@ -764 +1003 @@
 
   updateContent: function() {
-    var receiver = this.responseIsSuccess() ?
-      this.containers.success : this.containers.failure;
+    var receiver = this.container[this.success() ? 'success' : 'failure'];
     var response = this.transport.responseText;
 
-    if (!this.options.evalScripts)
-      response = response.stripScripts();
-
-    if (receiver) {
-      if (this.options.insertion) {
+    if (!this.options.evalScripts) response = response.stripScripts();
+
+    if (receiver = $(receiver)) {
+      if (this.options.insertion)
         new this.options.insertion(receiver, response);
-      } else {
-        Element.update(receiver, response);
-      }
-    }
-
-    if (this.responseIsSuccess()) {
+      else
+        receiver.update(response);
+    }
+
+    if (this.success()) {
       if (this.onComplete)
         setTimeout(this.onComplete.bind(this), 10);
@@ -808 +1044 @@
 
   stop: function() {
-    this.updater.onComplete = undefined;
+    this.updater.options.onComplete = undefined;
     clearTimeout(this.timer);
     (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
@@ -828 +1064 @@
   }
 });
+function $(element) {
+  if (arguments.length > 1) {
+    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
+      elements.push($(arguments[i]));
+    return elements;
+  }
+  if (typeof element == 'string')
+    element = document.getElementById(element);
+  return Element.extend(element);
+}
+
+if (Prototype.BrowserFeatures.XPath) {
+  document._getElementsByXPath = function(expression, parentElement) {
+    var results = [];
+    var query = document.evaluate(expression, $(parentElement) || document,
+      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
+    for (var i = 0, length = query.snapshotLength; i < length; i++)
+      results.push(query.snapshotItem(i));
+    return results;
+  };
+}
+
 document.getElementsByClassName = function(className, parentElement) {
-  var children = ($(parentElement) || document.body).getElementsByTagName('*');
-  return $A(children).inject([], function(elements, child) {
-    if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
-      elements.push(child);
+  if (Prototype.BrowserFeatures.XPath) {
+    var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
+    return document._getElementsByXPath(q, parentElement);
+  } else {
+    var children = ($(parentElement) || document.body).getElementsByTagName('*');
+    var elements = [], child;
+    for (var i = 0, length = children.length; i < length; i++) {
+      child = children[i];
+      if (Element.hasClassName(child, className))
+        elements.push(Element.extend(child));
+    }
     return elements;
-  });
-}
+  }
+};
 
 /*--------------------------------------------------------------------------*/
 
-if (!window.Element) {
+if (!window.Element)
   var Element = new Object();
-}
-
-Object.extend(Element, {
+
+Element.extend = function(element) {
+  if (!element || _nativeExtensions || element.nodeType == 3) return element;
+
+  if (!element._extended && element.tagName && element != window) {
+    var methods = Object.clone(Element.Methods), cache = Element.extend.cache;
+
+    if (element.tagName == 'FORM')
+      Object.extend(methods, Form.Methods);
+    if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName))
+      Object.extend(methods, Form.Element.Methods);
+
+    Object.extend(methods, Element.Methods.Simulated);
+
+    for (var property in methods) {
+      var value = methods[property];
+      if (typeof value == 'function' && !(property in element))
+        element[property] = cache.findOrStore(value);
+    }
+  }
+
+  element._extended = true;
+  return element;
+};
+
+Element.extend.cache = {
+  findOrStore: function(value) {
+    return this[value] = this[value] || function() {
+      return value.apply(null, [this].concat($A(arguments)));
+    }
+  }
+};
+
+Element.Methods = {
   visible: function(element) {
     return $(element).style.display != 'none';
   },
 
-  toggle: function() {
-    for (var i = 0; i < arguments.length; i++) {
-      var element = $(arguments[i]);
-      Element[Element.visible(element) ? 'hide' : 'show'](element);
-    }
-  },
-
-  hide: function() {
-    for (var i = 0; i < arguments.length; i++) {
-      var element = $(arguments[i]);
-      element.style.display = 'none';
-    }
-  },
-
-  show: function() {
-    for (var i = 0; i < arguments.length; i++) {
-      var element = $(arguments[i]);
-      element.style.display = '';
-    }
+  toggle: function(element) {
+    element = $(element);
+    Element[Element.visible(element) ? 'hide' : 'show'](element);
+    return element;
+  },
+
+  hide: function(element) {
+    $(element).style.display = 'none';
+    return element;
+  },
+
+  show: function(element) {
+    $(element).style.display = '';
+    return element;
   },
 
@@ -872 +1163 @@
     element = $(element);
     element.parentNode.removeChild(element);
+    return element;
   },
 
   update: function(element, html) {
+    html = typeof html == 'undefined' ? '' : html.toString();
     $(element).innerHTML = html.stripScripts();
     setTimeout(function() {html.evalScripts()}, 10);
+    return element;
+  },
+
+  replace: function(element, html) {
+    element = $(element);
+    html = typeof html == 'undefined' ? '' : html.toString();
+    if (element.outerHTML) {
+      element.outerHTML = html.stripScripts();
+    } else {
+      var range = element.ownerDocument.createRange();
+      range.selectNodeContents(element);
+      element.parentNode.replaceChild(
+        range.createContextualFragment(html.stripScripts()), element);
+    }
+    setTimeout(function() {html.evalScripts()}, 10);
+    return element;
+  },
+
+  inspect: function(element) {
+    element = $(element);
+    var result = '<' + element.tagName.toLowerCase();
+    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
+      var property = pair.first(), attribute = pair.last();
+      var value = (element[property] || '').toString();
+      if (value) result += ' ' + attribute + '=' + value.inspect(true);
+    });
+    return result + '>';
+  },
+
+  recursivelyCollect: function(element, property) {
+    element = $(element);
+    var elements = [];
+    while (element = element[property])
+      if (element.nodeType == 1)
+        elements.push(Element.extend(element));
+    return elements;
+  },
+
+  ancestors: function(element) {
+    return $(element).recursivelyCollect('parentNode');
+  },
+
+  descendants: function(element) {
+    return $A($(element).getElementsByTagName('*'));
+  },
+
+  immediateDescendants: function(element) {
+    if (!(element = $(element).firstChild)) return [];
+    while (element && element.nodeType != 1) element = element.nextSibling;
+    if (element) return [element].concat($(element).nextSiblings());
+    return [];
+  },
+
+  previousSiblings: function(element) {
+    return $(element).recursivelyCollect('previousSibling');
+  },
+
+  nextSiblings: function(element) {
+    return $(element).recursivelyCollect('nextSibling');
+  },
+
+  siblings: function(element) {
+    element = $(element);
+    return element.previousSiblings().reverse().concat(element.nextSiblings());
+  },
+
+  match: function(element, selector) {
+    if (typeof selector == 'string')
+      selector = new Selector(selector);
+    return selector.match($(element));
+  },
+
+  up: function(element, expression, index) {
+    return Selector.findElement($(element).ancestors(), expression, index);
+  },
+
+  down: function(element, expression, index) {
+    return Selector.findElement($(element).descendants(), expression, index);
+  },
+
+  previous: function(element, expression, index) {
+    return Selector.findElement($(element).previousSiblings(), expression, index);
+  },
+
+  next: function(element, expression, index) {
+    return Selector.findElement($(element).nextSiblings(), expression, index);
+  },
+
+  getElementsBySelector: function() {
+    var args = $A(arguments), element = $(args.shift());
+    return Selector.findChildElements(element, args);
+  },
+
+  getElementsByClassName: function(element, className) {
+    return document.getElementsByClassName(className, element);
+  },
+
+  readAttribute: function(element, name) {
+    element = $(element);
+    if (document.all && !window.opera) {
+      var t = Element._attributeTranslations;
+      if (t.values[name]) return t.values[name](element, name);
+      if (t.names[name])  name = t.names[name];
+      var attribute = element.attributes[name];
+      if(attribute) return attribute.nodeValue;
+    }
+    return element.getAttribute(name);
   },
 
   getHeight: function(element) {
-    element = $(element);
-    return element.offsetHeight;
+    return $(element).getDimensions().height;
+  },
+
+  getWidth: function(element) {
+    return $(element).getDimensions().width;
   },
 
@@ -890 +1293 @@
   hasClassName: function(element, className) {
     if (!(element = $(element))) return;
-    return Element.classNames(element).include(className);
+    var elementClassName = element.className;
+    if (elementClassName.length == 0) return false;
+    if (elementClassName == className ||
+        elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
+      return true;
+    return false;
   },
 
   addClassName: function(element, className) {
     if (!(element = $(element))) return;
-    return Element.classNames(element).add(className);
+    Element.classNames(element).add(className);
+    return element;
   },
 
   removeClassName: function(element, className) {
     if (!(element = $(element))) return;
-    return Element.classNames(element).remove(className);
+    Element.classNames(element).remove(className);
+    return element;
+  },
+
+  toggleClassName: function(element, className) {
+    if (!(element = $(element))) return;
+    Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className);
+    return element;
+  },
+
+  observe: function() {
+    Event.observe.apply(Event, arguments);
+    return $A(arguments).first();
+  },
+
+  stopObserving: function() {
+    Event.stopObserving.apply(Event, arguments);
+    return $A(arguments).first();
   },
 
@@ -906 +1332 @@
   cleanWhitespace: function(element) {
     element = $(element);
-    for (var i = 0; i < element.childNodes.length; i++) {
-      var node = element.childNodes[i];
+    var node = element.firstChild;
+    while (node) {
+      var nextNode = node.nextSibling;
       if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
-        Element.remove(node);
-    }
+        element.removeChild(node);
+      node = nextNode;
+    }
+    return element;
   },
 
@@ -917 +1346 @@
   },
 
+  descendantOf: function(element, ancestor) {
+    element = $(element), ancestor = $(ancestor);
+    while (element = element.parentNode)
+      if (element == ancestor) return true;
+    return false;
+  },
+
   scrollTo: function(element) {
     element = $(element);
-    var x = element.x ? element.x : element.offsetLeft,
-        y = element.y ? element.y : element.offsetTop;
-    window.scrollTo(x, y);
+    var pos = Position.cumulativeOffset(element);
+    window.scrollTo(pos[0], pos[1]);
+    return element;
   },
 
   getStyle: function(element, style) {
     element = $(element);
-    var value = element.style[style.camelize()];
+    if (['float','cssFloat'].include(style))
+      style = (typeof element.style.styleFloat != 'undefined' ? 'styleFloat' : 'cssFloat');
+    style = style.camelize();
+    var value = element.style[style];
     if (!value) {
       if (document.defaultView && document.defaultView.getComputedStyle) {
         var css = document.defaultView.getComputedStyle(element, null);
-        value = css ? css.getPropertyValue(style) : null;
+        value = css ? css[style] : null;
       } else if (element.currentStyle) {
-        value = element.currentStyle[style.camelize()];
+        value = element.currentStyle[style];
       }
     }
+
+    if((value == 'auto') && ['width','height'].include(style) && (element.getStyle('display') != 'none'))
+      value = element['offset'+style.capitalize()] + 'px';
 
     if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
       if (Element.getStyle(element, 'position') == 'static') value = 'auto';
-
+    if(style == 'opacity') {
+      if(value) return parseFloat(value);
+      if(value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
+        if(value[1]) return parseFloat(value[1]) / 100;
+      return 1.0;
+    }
     return value == 'auto' ? null : value;
   },
@@ -944 +1391 @@
   setStyle: function(element, style) {
     element = $(element);
-    for (name in style)
-      element.style[name.camelize()] = style[name];
+    for (var name in style) {
+      var value = style[name];
+      if(name == 'opacity') {
+        if (value == 1) {
+          value = (/Gecko/.test(navigator.userAgent) &&
+            !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 0.999999 : 1.0;
+          if(/MSIE/.test(navigator.userAgent) && !window.opera)
+            element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'');
+        } else if(value == '') {
+          if(/MSIE/.test(navigator.userAgent) && !window.opera)
+            element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'');
+        } else {
+          if(value < 0.00001) value = 0;
+          if(/MSIE/.test(navigator.userAgent) && !window.opera)
+            element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'') +
+              'alpha(opacity='+value*100+')';
+        }
+      } else if(['float','cssFloat'].include(name)) name = (typeof element.style.styleFloat != 'undefined') ? 'styleFloat' : 'cssFloat';
+      element.style[name.camelize()] = value;
+    }
+    return element;
   },
 
   getDimensions: function(element) {
     element = $(element);
-    if (Element.getStyle(element, 'display') != 'none')
+    var display = $(element).getStyle('display');
+    if (display != 'none' && display != null) // Safari bug
       return {width: element.offsetWidth, height: element.offsetHeight};
 
@@ -958 +1425 @@
     var originalVisibility = els.visibility;
     var originalPosition = els.position;
+    var originalDisplay = els.display;
     els.visibility = 'hidden';
     els.position = 'absolute';
-    els.display = '';
+    els.display = 'block';
     var originalWidth = element.clientWidth;
     var originalHeight = element.clientHeight;
-    els.display = 'none';
+    els.display = originalDisplay;
     els.position = originalPosition;
     els.visibility = originalVisibility;
@@ -982 +1450 @@
       }
     }
+    return element;
   },
 
@@ -994 +1463 @@
         element.style.right = '';
     }
+    return element;
   },
 
   makeClipping: function(element) {
     element = $(element);
-    if (element._overflow) return;
-    element._overflow = element.style.overflow;
+    if (element._overflow) return element;
+    element._overflow = element.style.overflow || 'auto';
     if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
       element.style.overflow = 'hidden';
+    return element;
   },
 
   undoClipping: function(element) {
     element = $(element);
-    if (element._overflow) return;
-    element.style.overflow = element._overflow;
-    element._overflow = undefined;
-  }
+    if (!element._overflow) return element;
+    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
+    element._overflow = null;
+    return element;
+  }
+};
+
+Object.extend(Element.Methods, {childOf: Element.Methods.descendantOf});
+
+Element._attributeTranslations = {};
+
+Element._attributeTranslations.names = {
+  colspan:   "colSpan",
+  rowspan:   "rowSpan",
+  valign:    "vAlign",
+  datetime:  "dateTime",
+  accesskey: "accessKey",
+  tabindex:  "tabIndex",
+  enctype:   "encType",
+  maxlength: "maxLength",
+  readonly:  "readOnly",
+  longdesc:  "longDesc"
+};
+
+Element._attributeTranslations.values = {
+  _getAttr: function(element, attribute) {
+    return element.getAttribute(attribute, 2);
+  },
+
+  _flag: function(element, attribute) {
+    return $(element).hasAttribute(attribute) ? attribute : null;
+  },
+
+  style: function(element) {
+    return element.style.cssText.toLowerCase();
+  },
+
+  title: function(element) {
+    var node = element.getAttributeNode('title');
+    return node.specified ? node.nodeValue : null;
+  }
+};
+
+Object.extend(Element._attributeTranslations.values, {
+  href: Element._attributeTranslations.values._getAttr,
+  src:  Element._attributeTranslations.values._getAttr,
+  disabled: Element._attributeTranslations.values._flag,
+  checked:  Element._attributeTranslations.values._flag,
+  readonly: Element._attributeTranslations.values._flag,
+  multiple: Element._attributeTranslations.values._flag
 });
+
+Element.Methods.Simulated = {
+  hasAttribute: function(element, attribute) {
+    var t = Element._attributeTranslations;
+    attribute = t.names[attribute] || attribute;
+    return $(element).getAttributeNode(attribute).specified;
+  }
+};
+
+// IE is missing .innerHTML support for TABLE-related elements
+if (document.all && !window.opera){
+  Element.Methods.update = function(element, html) {
+    element = $(element);
+    html = typeof html == 'undefined' ? '' : html.toString();
+    var tagName = element.tagName.toUpperCase();
+    if (['THEAD','TBODY','TR','TD'].include(tagName)) {
+      var div = document.createElement('div');
+      switch (tagName) {
+        case 'THEAD':
+        case 'TBODY':
+          div.innerHTML = '<table><tbody>' +  html.stripScripts() + '</tbody></table>';
+          depth = 2;
+          break;
+        case 'TR':
+          div.innerHTML = '<table><tbody><tr>' +  html.stripScripts() + '</tr></tbody></table>';
+          depth = 3;
+          break;
+        case 'TD':
+          div.innerHTML = '<table><tbody><tr><td>' +  html.stripScripts() + '</td></tr></tbody></table>';
+          depth = 4;
+      }
+      $A(element.childNodes).each(function(node){
+        element.removeChild(node)
+      });
+      depth.times(function(){ div = div.firstChild });
+
+      $A(div.childNodes).each(
+        function(node){ element.appendChild(node) });
+    } else {
+      element.innerHTML = html.stripScripts();
+    }
+    setTimeout(function() {html.evalScripts()}, 10);
+    return element;
+  }
+};
+
+Object.extend(Element, Element.Methods);
+
+var _nativeExtensions = false;
+
+if(/Konqueror|Safari|KHTML/.test(navigator.userAgent))
+  ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) {
+    var className = 'HTML' + tag + 'Element';
+    if(window[className]) return;
+    var klass = window[className] = {};
+    klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__;
+  });
+
+Element.addMethods = function(methods) {
+  Object.extend(Element.Methods, methods || {});
+
+  function copy(methods, destination, onlyIfAbsent) {
+    onlyIfAbsent = onlyIfAbsent || false;
+    var cache = Element.extend.cache;
+    for (var property in methods) {
+      var value = methods[property];
+      if (!onlyIfAbsent || !(property in destination))
+        destination[property] = cache.findOrStore(value);
+    }
+  }
+
+  if (typeof HTMLElement != 'undefined') {
+    copy(Element.Methods, HTMLElement.prototype);
+    copy(Element.Methods.Simulated, HTMLElement.prototype, true);
+    copy(Form.Methods, HTMLFormElement.prototype);
+    [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) {
+      copy(Form.Element.Methods, klass.prototype);
+    });
+    _nativeExtensions = true;
+  }
+}
 
 var Toggle = new Object();
@@ -1030 +1628 @@
         this.element.insertAdjacentHTML(this.adjacency, this.content);
       } catch (e) {
-        if (this.element.tagName.toLowerCase() == 'tbody') {
+        var tagName = this.element.tagName.toUpperCase();
+        if (['TBODY', 'TR'].include(tagName)) {
           this.insertContent(this.contentFromAnonymousTable());
         } else {
@@ -1129 +1728 @@
   add: function(classNameToAdd) {
     if (this.include(classNameToAdd)) return;
-    this.set(this.toArray().concat(classNameToAdd).join(' '));
+    this.set($A(this).concat(classNameToAdd).join(' '));
   },
 
   remove: function(classNameToRemove) {
     if (!this.include(classNameToRemove)) return;
-    this.set(this.select(function(className) {
-      return className != classNameToRemove;
-    }).join(' '));
+    this.set($A(this).without(classNameToRemove).join(' '));
   },
 
   toString: function() {
-    return this.toArray().join(' ');
-  }
-}
+    return $A(this).join(' ');
+  }
+};
 
 Object.extend(Element.ClassNames.prototype, Enumerable);
-var Field = {
-  clear: function() {
-    for (var i = 0; i < arguments.length; i++)
-      $(arguments[i]).value = '';
-  },
-
+var Selector = Class.create();
+Selector.prototype = {
+  initialize: function(expression) {
+    this.params = {classNames: []};
+    this.expression = expression.toString().strip();
+    this.parseExpression();
+    this.compileMatcher();
+  },
+
+  parseExpression: function() {
+    function abort(message) { throw 'Parse error in selector: ' + message; }
+
+    if (this.expression == '')  abort('empty expression');
+
+    var params = this.params, expr = this.expression, match, modifier, clause, rest;
+    while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) {
+      params.attributes = params.attributes || [];
+      params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''});
+      expr = match[1];
+    }
+
+    if (expr == '*') return this.params.wildcard = true;
+
+    while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) {
+      modifier = match[1], clause = match[2], rest = match[3];
+      switch (modifier) {
+        case '#':       params.id = clause; break;
+        case '.':       params.classNames.push(clause); break;
+        case '':
+        case undefined: params.tagName = clause.toUpperCase(); break;
+        default:        abort(expr.inspect());
+      }
+      expr = rest;
+    }
+
+    if (expr.length > 0) abort(expr.inspect());
+  },
+
+  buildMatchExpression: function() {
+    var params = this.params, conditions = [], clause;
+
+    if (params.wildcard)
+      conditions.push('true');
+    if (clause = params.id)
+      conditions.push('element.readAttribute("id") == ' + clause.inspect());
+    if (clause = params.tagName)
+      conditions.push('element.tagName.toUpperCase() == ' + clause.inspect());
+    if ((clause = params.classNames).length > 0)
+      for (var i = 0, length = clause.length; i < length; i++)
+        conditions.push('element.hasClassName(' + clause[i].inspect() + ')');
+    if (clause = params.attributes) {
+      clause.each(function(attribute) {
+        var value = 'element.readAttribute(' + attribute.name.inspect() + ')';
+        var splitValueBy = function(delimiter) {
+          return value + ' && ' + value + '.split(' + delimiter.inspect() + ')';
+        }
+
+        switch (attribute.operator) {
+          case '=':       conditions.push(value + ' == ' + attribute.value.inspect()); break;
+          case '~=':      conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break;
+          case '|=':      conditions.push(
+                            splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect()
+                          ); break;
+          case '!=':      conditions.push(value + ' != ' + attribute.value.inspect()); break;
+          case '':
+          case undefined: conditions.push('element.hasAttribute(' + attribute.name.inspect() + ')'); break;
+          default:        throw 'Unknown operator ' + attribute.operator + ' in selector';
+        }
+      });
+    }
+
+    return conditions.join(' && ');
+  },
+
+  compileMatcher: function() {
+    this.match = new Function('element', 'if (!element.tagName) return false; \
+      element = $(element); \
+      return ' + this.buildMatchExpression());
+  },
+
+  findElements: function(scope) {
+    var element;
+
+    if (element = $(this.params.id))
+      if (this.match(element))
+        if (!scope || Element.childOf(element, scope))
+          return [element];
+
+    scope = (scope || document).getElementsByTagName(this.params.tagName || '*');
+
+    var results = [];
+    for (var i = 0, length = scope.length; i < length; i++)
+      if (this.match(element = scope[i]))
+        results.push(Element.extend(element));
+
+    return results;
+  },
+
+  toString: function() {
+    return this.expression;
+  }
+}
+
+Object.extend(Selector, {
+  matchElements: function(elements, expression) {
+    var selector = new Selector(expression);
+    return elements.select(selector.match.bind(selector)).map(Element.extend);
+  },
+
+  findElement: function(elements, expression, index) {
+    if (typeof expression == 'number') index = expression, expression = false;
+    return Selector.matchElements(elements, expression || '*')[index || 0];
+  },
+
+  findChildElements: function(element, expressions) {
+    return expressions.map(function(expression) {
+      return expression.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null], function(results, expr) {
+        var selector = new Selector(expr);
+        return results.inject([], function(elements, result) {
+          return elements.concat(selector.findElements(result || element));
+        });
+      });
+    }).flatten();
+  }
+});
+
+function $$() {
+  return Selector.findChildElements(document, $A(arguments));
+}
+var Form = {
+  reset: function(form) {
+    $(form).reset();
+    return form;
+  },
+
+  serializeElements: function(elements, getHash) {
+    var data = elements.inject({}, function(result, element) {
+      if (!element.disabled && element.name) {
+        var key = element.name, value = $(element).getValue();
+        if (value != undefined) {
+          if (result[key]) {
+            if (result[key].constructor != Array) result[key] = [result[key]];
+            result[key].push(value);
+          }
+          else result[key] = value;
+        }
+      }
+      return result;
+    });
+
+    return getHash ? data : Hash.toQueryString(data);
+  }
+};
+
+Form.Methods = {
+  serialize: function(form, getHash) {
+    return Form.serializeElements(Form.getElements(form), getHash);
+  },
+
+  getElements: function(form) {
+    return $A($(form).getElementsByTagName('*')).inject([],
+      function(elements, child) {
+        if (Form.Element.Serializers[child.tagName.toLowerCase()])
+          elements.push(Element.extend(child));
+        return elements;
+      }
+    );
+  },
+
+  getInputs: function(form, typeName, name) {
+    form = $(form);
+    var inputs = form.getElementsByTagName('input');
+
+    if (!typeName && !name) return $A(inputs).map(Element.extend);
+
+    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
+      var input = inputs[i];
+      if ((typeName && input.type != typeName) || (name && input.name != name))
+        continue;
+      matchingInputs.push(Element.extend(input));
+    }
+
+    return matchingInputs;
+  },
+
+  disable: function(form) {
+    form = $(form);
+    form.getElements().each(function(element) {
+      element.blur();
+      element.disabled = 'true';
+    });
+    return form;
+  },
+
+  enable: function(form) {
+    form = $(form);
+    form.getElements().each(function(element) {
+      element.disabled = '';
+    });
+    return form;
+  },
+
+  findFirstElement: function(form) {
+    return $(form).getElements().find(function(element) {
+      return element.type != 'hidden' && !element.disabled &&
+        ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
+    });
+  },
+
+  focusFirstElement: function(form) {
+    form = $(form);
+    form.findFirstElement().activate();
+    return form;
+  }
+}
+
+Object.extend(Form, Form.Methods);
+
+/*--------------------------------------------------------------------------*/
+
+Form.Element = {
   focus: function(element) {
     $(element).focus();
-  },
-
-  present: function() {
-    for (var i = 0; i < arguments.length; i++)
-      if ($(arguments[i]).value == '') return false;
-    return true;
+    return element;
   },
 
   select: function(element) {
     $(element).select();
+    return element;
+  }
+}
+
+Form.Element.Methods = {
+  serialize: function(element) {
+    element = $(element);
+    if (!element.disabled && element.name) {
+      var value = element.getValue();
+      if (value != undefined) {
+        var pair = {};
+        pair[element.name] = value;
+        return Hash.toQueryString(pair);
+      }
+    }
+    return '';
+  },
+
+  getValue: function(element) {
+    element = $(element);
+    var method = element.tagName.toLowerCase();
+    return Form.Element.Serializers[method](element);
+  },
+
+  clear: function(element) {
+    $(element).value = '';
+    return element;
+  },
+
+  present: function(element) {
+    return $(element).value != '';
   },
 
@@ -1168 +2006 @@
     element = $(element);
     element.focus();
-    if (element.select)
+    if (element.select && ( element.tagName.toLowerCase() != 'input' ||
+      !['button', 'reset', 'submit'].include(element.type) ) )
       element.select();
-  }
-}
+    return element;
+  },
+
+  disable: function(element) {
+    element = $(element);
+    element.disabled = true;
+    return element;
+  },
+
+  enable: function(element) {
+    element = $(element);
+    element.blur();
+    element.disabled = false;
+    return element;
+  }
+}
+
+Object.extend(Form.Element, Form.Element.Methods);
+var Field = Form.Element;
+var $F = Form.Element.getValue;
 
 /*--------------------------------------------------------------------------*/
-
-var Form = {
-  serialize: function(form) {
-    var elements = Form.getElements($(form));
-    var queryComponents = new Array();
-
-    for (var i = 0; i < elements.length; i++) {
-      var queryComponent = Form.Element.serialize(elements[i]);
-      if (queryComponent)
-        queryComponents.push(queryComponent);
-    }
-
-    return queryComponents.join('&');
-  },
-
-  getElements: function(form) {
-    form = $(form);
-    var elements = new Array();
-
-    for (tagName in Form.Element.Serializers) {
-      var tagElements = form.getElementsByTagName(tagName);
-      for (var j = 0; j < tagElements.length; j++)
-        elements.push(tagElements[j]);
-    }
-    return elements;
-  },
-
-  getInputs: function(form, typeName, name) {
-    form = $(form);
-    var inputs = form.getElementsByTagName('input');
-
-    if (!typeName && !name)
-      return inputs;
-
-    var matchingInputs = new Array();
-    for (var i = 0; i < inputs.length; i++) {
-      var input = inputs[i];
-      if ((typeName && input.type != typeName) ||
-          (name && input.name != name))
-        continue;
-      matchingInputs.push(input);
-    }
-
-    return matchingInputs;
-  },
-
-  disable: function(form) {
-    var elements = Form.getElements(form);
-    for (var i = 0; i < elements.length; i++) {
-      var element = elements[i];
-      element.blur();
-      element.disabled = 'true';
-    }
-  },
-
-  enable: function(form) {
-    var elements = Form.getElements(form);
-    for (var i = 0; i < elements.length; i++) {
-      var element = elements[i];
-      element.disabled = '';
-    }
-  },
-
-  findFirstElement: function(form) {
-    return Form.getElements(form).find(function(element) {
-      return element.type != 'hidden' && !element.disabled &&
-        ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
-    });
-  },
-
-  focusFirstElement: function(form) {
-    Field.activate(Form.findFirstElement(form));
-  },
-
-  reset: function(form) {
-    $(form).reset();
-  }
-}
-
-Form.Element = {
-  serialize: function(element) {
-    element = $(element);
-    var method = element.tagName.toLowerCase();
-    var parameter = Form.Element.Serializers[method](element);
-
-    if (parameter) {
-      var key = encodeURIComponent(parameter[0]);
-      if (key.length == 0) return;
-
-      if (parameter[1].constructor != Array)
-        parameter[1] = [parameter[1]];
-
-      return parameter[1].map(function(value) {
-        return key + '=' + encodeURIComponent(value);
-      }).join('&');
-    }
-  },
-
-  getValue: function(element) {
-    element = $(element);
-    var method = element.tagName.toLowerCase();
-    var parameter = Form.Element.Serializers[method](element);
-
-    if (parameter)
-      return parameter[1];
-  }
-}
 
 Form.Element.Serializers = {
   input: function(element) {
     switch (element.type.toLowerCase()) {
-      case 'submit':
-      case 'hidden':
-      case 'password':
-      case 'text':
-        return Form.Element.Serializers.textarea(element);
       case 'checkbox':
       case 'radio':
         return Form.Element.Serializers.inputSelector(element);
-    }
-    return false;
+      default:
+        return Form.Element.Serializers.textarea(element);
+    }
   },
 
   inputSelector: function(element) {
-    if (element.checked)
-      return [element.name, element.value];
+    return element.checked ? element.value : null;
   },
 
   textarea: function(element) {
-    return [element.name, element.value];
+    return element.value;
   },
 
   select: function(element) {
-    return Form.Element.Serializers[element.type == 'select-one' ?
+    return this[element.type == 'select-one' ?
       'selectOne' : 'selectMany'](element);
   },
 
   selectOne: function(element) {
-    var value = '', opt, index = element.selectedIndex;
-    if (index >= 0) {
-      opt = element.options[index];
-      value = opt.value;
-      if (!value && !('value' in opt))
-        value = opt.text;
-    }
-    return [element.name, value];
+    var index = element.selectedIndex;
+    return index >= 0 ? this.optionValue(element.options[index]) : null;
   },
 
   selectMany: function(element) {
-    var value = new Array();
-    for (var i = 0; i < element.length; i++) {
+    var values, length = element.length;
+    if (!length) return null;
+
+    for (var i = 0, values = []; i < length; i++) {
       var opt = element.options[i];
-      if (opt.selected) {
-        var optValue = opt.value;
-        if (!optValue && !('value' in opt))
-          optValue = opt.text;
-        value.push(optValue);
-      }
-    }
-    return [element.name, value];
-  }
-}
-
-/*--------------------------------------------------------------------------*/
-
-var $F = Form.Element.getValue;
+      if (opt.selected) values.push(this.optionValue(opt));
+    }
+    return values;
+  },
+
+  optionValue: function(opt) {
+    // extend element because hasAttribute may not be native
+    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
+  }
+}
 
 /*--------------------------------------------------------------------------*/
@@ -1360 +2097 @@
   onTimerEvent: function() {
     var value = this.getValue();
-    if (this.lastValue != value) {
+    var changed = ('string' == typeof this.lastValue && 'string' == typeof value
+      ? this.lastValue != value : String(this.lastValue) != String(value));
+    if (changed) {
       this.callback(this.element, value);
       this.lastValue = value;
@@ -1405 +2144 @@
 
   registerFormCallbacks: function() {
-    var elements = Form.getElements(this.element);
-    for (var i = 0; i < elements.length; i++)
-      this.registerCallback(elements[i]);
+    Form.getElements(this.element).each(this.registerCallback.bind(this));
   },
 
@@ -1417 +2154 @@
           Event.observe(element, 'click', this.onElementEvent.bind(this));
           break;
-        case 'password':
-        case 'text':
-        case 'textarea':
-        case 'select-one':
-        case 'select-multiple':
+        default:
           Event.observe(element, 'change', this.onElementEvent.bind(this));
           break;
@@ -1456 +2189 @@
   KEY_DOWN:     40,
   KEY_DELETE:   46,
+  KEY_HOME:     36,
+  KEY_END:      35,
+  KEY_PAGEUP:   33,
+  KEY_PAGEDOWN: 34,
 
   element: function(event) {
@@ -1511 +2248 @@
   unloadCache: function() {
     if (!Event.observers) return;
-    for (var i = 0; i < Event.observers.length; i++) {
+    for (var i = 0, length = Event.observers.length; i < length; i++) {
       Event.stopObserving.apply(this, Event.observers[i]);
       Event.observers[i][0] = null;
@@ -1519 +2256 @@
 
   observe: function(element, name, observer, useCapture) {
-    var element = $(element);
+    element = $(element);
     useCapture = useCapture || false;
 
@@ -1527 +2264 @@
       name = 'keydown';
 
-    this._observeAndCache(element, name, observer, useCapture);
+    Event._observeAndCache(element, name, observer, useCapture);
   },
 
   stopObserving: function(element, name, observer, useCapture) {
-    var element = $(element);
+    element = $(element);
     useCapture = useCapture || false;
 
@@ -1542 +2279 @@
       element.removeEventListener(name, observer, useCapture);
     } else if (element.detachEvent) {
-      element.detachEvent('on' + name, observer);
+      try {
+        element.detachEvent('on' + name, observer);
+      } catch (e) {}
     }
   }
@@ -1548 +2287 @@
 
 /* prevent memory leaks in IE */
-Event.observe(window, 'unload', Event.unloadCache, false);
+if (navigator.appVersion.match(/\bMSIE\b/))
+  Event.observe(window, 'unload', Event.unloadCache, false);
 var Position = {
   // set to true if needed, warning: firefox performance problems
@@ -1595 +2335 @@
       element = element.offsetParent;
       if (element) {
-        p = Element.getStyle(element, 'position');
+        if(element.tagName=='BODY') break;
+        var p = Element.getStyle(element, 'position');
         if (p == 'relative' || p == 'absolute') break;
       }
@@ -1651 +2392 @@
   },
 
-  clone: function(source, target) {
-    source = $(source);
-    target = $(target);
-    target.style.position = 'absolute';
-    var offsets = this.cumulativeOffset(source);
-    target.style.top    = offsets[1] + 'px';
-    target.style.left   = offsets[0] + 'px';
-    target.style.width  = source.offsetWidth + 'px';
-    target.style.height = source.offsetHeight + 'px';
-  },
-
   page: function(forElement) {
     var valueT = 0, valueL = 0;
@@ -1678 +2408 @@
     element = forElement;
     do {
-      valueT -= element.scrollTop  || 0;
-      valueL -= element.scrollLeft || 0;
+      if (!window.opera || element.tagName=='BODY') {
+        valueT -= element.scrollTop  || 0;
+        valueL -= element.scrollLeft || 0;
+      }
     } while (element = element.parentNode);
 
@@ -1740 +2472 @@
 
     element.style.position = 'absolute';
-    element.style.top    = top + 'px';;
-    element.style.left   = left + 'px';;
-    element.style.width  = width + 'px';;
-    element.style.height = height + 'px';;
+    element.style.top    = top + 'px';
+    element.style.left   = left + 'px';
+    element.style.width  = width + 'px';
+    element.style.height = height + 'px';
   },
 
@@ -1780 +2512 @@
   }
 }
+
+Element.addMethods();

trunk/tools/ws.htm

@@ -6 +6 @@
 
 <script type="text/javascript">
-function setElementText(id, text)
-{
-  if (!text) text="";
-  var elt = document.getElementById(id);
-  if (!elt) alert('setElementText '+id);
-  elt.innerHTML = text;
-}
 
 function setVisibility(id, vis)
 {
-  document.getElementById(id).style.visibility = vis;
-}
-
-function clearError()
-{
-  setElementText("error", "");
+  $(id).style.visibility = vis;
 }
 
@@ -38 +26 @@
          }
         }
-        setElementText("error", s);
+  $("error").update(s);
 }
 
 var gServiceUrl;
-var gCurrentMethodParams;
+var gCachedMethods;
 
 Ajax.Responders.register({
@@ -101 +89 @@
 function pwgChangeUrl()
 {
-  clearError();
+  $("error").update("");
   setVisibility("methodListWrapper", "hidden");
-  setElementText("methodList", "");
+  $("methodList").update("");
   setVisibility("methodWrapper", "hidden");
+  setVisibility("methodDetailWrapper", "hidden");
 
   gServiceUrl = $F('ws_url');
-  gCurrentMethodParams = null;
+  gCachedMethods = new Hash();
 
   try {
@@ -131 +120 @@
                 ml += '<li><a href="#" onclick="return pwgSelectMethod(this.innerHTML)">'+ result.methods[i]+'</a></li>';
         }
-        setElementText("methodList", ml);
+        $("methodList").update(ml);
         setVisibility("methodListWrapper", "visible");
 }
 
-function pwgSelectMethod(method)
-{
-  clearError();
-  setElementText("methodName", method);
+function pwgSelectMethod(methodName)
+{
+  $("error").update("");
+  $("methodName").update(methodName);
   setVisibility("methodDetailWrapper", "hidden");
   setVisibility("methodWrapper", "visible");
-  gCurrentMethodParams = null;
-
-  try {
-
-                var ajaxReq = new Ajax.Request(
-                                gServiceUrl,
-                                {method:'get', parameters:'format=json&method=reflection.getMethodDetails&methodName='+method,
-                                 onSuccess: function (r) { onSuccess_getMethodDetails(r); }
-                                }
-                        )
-  }catch (e)
+
+  if ( gCachedMethods[methodName] )
+    fillNewMethod( gCachedMethods[methodName] );
+  else
   {
-    dumpError( e );
+    try {
+                var ajaxReq = new Ajax.Request(
+                                gServiceUrl,
+                                {method:'get', parameters:'format=json&method=reflection.getMethodDetails&methodName='+methodName,
+                                 onSuccess: function (r) { onSuccess_getMethodDetails(r); }
+                                }
+                        )
+    }catch (e)
+    {
+      dumpError( e );
+    }
   }
   return false;
@@ -161 +153 @@
 {
         var result = pwgGetJsonResult(transport);
+  fillNewMethod( gCachedMethods[result.name] = $H(result) );
+}
+
+function fillNewMethod(method)
+{
         var methodParamsElt = $("methodParams");
         while (methodParamsElt.tBodies[0].rows.length)
                 methodParamsElt.tBodies[0].deleteRow(methodParamsElt.tBodies[0].rows.length-1);
 
-        if (result.params)
-  {
-    gCurrentMethodParams = result.params;
-    if (result.params.length>0)
-          {
-                for (var i=0; i<result.params.length; i++)
+        if (method.params && method.params.length>0)
+        {
+                for (var i=0; i<method.params.length; i++)
                 {
                         var row = methodParamsElt.tBodies[0].insertRow(-1);
-                        var isOptional = result.params[i].optional;
-                        var defaultValue = result.params[i].defaultValue == null ? '' : result.params[i].defaultValue;
+                        var isOptional = method.params[i].optional;
+                        var acceptArray = method.params[i].acceptArray;
+                        var defaultValue = method.params[i].defaultValue == null ? '' : method.params[i].defaultValue;
   
-                        row.insertCell(0).innerHTML = result.params[i].name;
-                        row.insertCell(1).innerHTML = (isOptional ? 'optional':'required');
+                        row.insertCell(0).innerHTML = method.params[i].name;
+                        row.insertCell(1).innerHTML = '<span title="parameter is '+(isOptional ? 'optional':'required') +'">'+(isOptional ? '?':'*')+'</span>'
+          + (method.params[i].acceptArray ? ' <span title="parameter can be an array; use | (pipe) character to split values">[ ]</span>':'');
                         row.insertCell(2).innerHTML = '<input id="methodParameterSend_'+i+'" type="checkbox" '+(isOptional ? '':'checked="checked"')+'/>';
                         row.insertCell(3).innerHTML = '<input id="methodParameterValue_'+i+'"" value="'+defaultValue+'" style="width:99%" onchange="$(\'methodParameterSend_'+i+'\').checked=true;"/>';
                 }
-        }
-        }
-        setElementText("methodDescription", result.description);
+        }
+        $("methodDescription").update(method.description);
         setVisibility("methodDetailWrapper", "visible");
 }
@@ -189 +184 @@
 function pwgInvokeMethod( newWindow )
 {
-        var method = document.getElementById('methodName').innerHTML;
+        var methodName = $('methodName').innerHTML;
+        var method = gCachedMethods[methodName];
 
   var reqUrl = gServiceUrl;
   reqUrl += "?format="+$F('responseFormat');
 
-  if (document.getElementById('requestFormat').value == 'get')
+  if ($('requestFormat').value == 'get')
   {
-    reqUrl += "&method="+method;
-    for ( var i=0; i<gCurrentMethodParams.length; i++)
+    reqUrl += "&method="+methodName;
+    for ( var i=0; i<method.params.length; i++)
     {
-      if (document.getElementById('methodParameterSend_'+i).checked)
-        reqUrl += '&'+gCurrentMethodParams[i].name+'='+$F('methodParameterValue_'+i);
+      if (! $('methodParameterSend_'+i).checked)
+        continue;
+
+      if ( method.params[i].acceptArray &&  $F('methodParameterValue_'+i).split('|').length > 1 )
+      {
+        $F('methodParameterValue_'+i).split('|').each(
+            function(v) {
+              reqUrl += '&'+method.params[i].name+'[]='+v;
+            }
+          );
+      }
+      else
+        reqUrl += '&'+method.params[i].name+'='+$F('methodParameterValue_'+i);
     }
     if ( !newWindow )
-      document.getElementById("invokeFrame").src = reqUrl;
+      $("invokeFrame").src = reqUrl;
     else
       window.open(reqUrl);
@@ -209 +216 @@
   else
   {
-    var form = document.getElementById("invokeForm");
+    var form = $("invokeForm");
     form.action = reqUrl;
-    var t = '<input type="hidden" name="'+'method'+'" value="'+method+'"/>';
-    for ( var i=0; i<gCurrentMethodParams.length; i++)
+    var t = '<input type="hidden" name="'+'method'+'" value="'+methodName+'"/>';
+    for ( var i=0; i<method.params.length; i++)
     {
-      if (document.getElementById('methodParameterSend_'+i).checked)
-        t += '<input type="hidden" name="'+gCurrentMethodParams[i].name+'" value="'+$F('methodParameterValue_'+i)+'"/>';
+      if (! $('methodParameterSend_'+i).checked)
+        continue;
+
+      if ( method.params[i].acceptArray &&  $F('methodParameterValue_'+i).split('|').length > 1 )
+      {
+        $F('methodParameterValue_'+i).split('|').each(
+            function(v) {
+              t += '<input type="hidden" name="'+method.params[i].name+'[]" value="'+v+'"/>';
+            }
+          );
+      }
+      else
+        t += '<input type="hidden" name="'+method.params[i].name+'" value="'+$F('methodParameterValue_'+i)+'"/>';
     }
     form.innerHTML = t;
-    if ( !newWindow )
-      form.target = "invokeFrame";
-    else
-      form.target = "_blank";
+    form.target = newWindow ? "_blank" : "invokeFrame";
     form.submit();
   }
@@ -357 +372 @@
           <tr>
             <td style="width:150px">Parameter</td>
-            <td>Optional</td>
+            <td>Extra</td>
             <td>Send</td>
             <td style="width:160px">Value</td>