* Updated prototype.js to version 1.5.0
authorOliver Hader <oliver.hader@typo3.org>
Fri, 26 Jan 2007 13:19:48 +0000 (13:19 +0000)
committerOliver Hader <oliver.hader@typo3.org>
Fri, 26 Jan 2007 13:19:48 +0000 (13:19 +0000)
* Updated script.aculo.us to version 1.7.0
* Created new directory for external contributions typo3/contrib/ and moved files:
- typo3/prototype.js -> typo3/contrib/prototype/prototype.js
- typo3/scriptaculous/* -> typo3/contrib/scriptaculous/*
- typo3/json.php -> typo3/contrib/json.php
* Changed paths to typo3/contrib in affected core files

git-svn-id: https://svn.typo3.org/TYPO3v4/Core/trunk@1945 709f56b5-9817-0410-a4d7-c38de5d9e867

24 files changed:
ChangeLog
t3lib/class.t3lib_tceforms.php
t3lib/class.t3lib_tceforms_inline.php
typo3/alt_db_navframe.php
typo3/alt_file_navframe.php
typo3/alt_main_new.php
typo3/contrib/json.php [new file with mode: 0755]
typo3/contrib/prototype/prototype.js [new file with mode: 0644]
typo3/contrib/scriptaculous/builder.js [new file with mode: 0644]
typo3/contrib/scriptaculous/controls.js [new file with mode: 0644]
typo3/contrib/scriptaculous/dragdrop.js [new file with mode: 0644]
typo3/contrib/scriptaculous/effects.js [new file with mode: 0644]
typo3/contrib/scriptaculous/scriptaculous.js [new file with mode: 0644]
typo3/contrib/scriptaculous/slider.js [new file with mode: 0644]
typo3/contrib/scriptaculous/unittest.js [new file with mode: 0644]
typo3/json.php [deleted file]
typo3/prototype.js [deleted file]
typo3/scriptaculous/builder.js [deleted file]
typo3/scriptaculous/controls.js [deleted file]
typo3/scriptaculous/dragdrop.js [deleted file]
typo3/scriptaculous/effects.js [deleted file]
typo3/scriptaculous/scriptaculous.js [deleted file]
typo3/scriptaculous/slider.js [deleted file]
typo3/scriptaculous/unittest.js [deleted file]

index af4b549..9e5fbbf 100755 (executable)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,13 @@
 2007-01-26  Oliver Hader  <oh@inpublica.de>
 
        * Fixed bug 4814: Umlauts error in AJAX Pagetree
+       * Updated prototype.js to version 1.5.0
+       * Updated script.aculo.us to version 1.7.0
+       * Created new directory for external contributions typo3/contrib/ and moved files:
+               - typo3/prototype.js    -> typo3/contrib/prototype/prototype.js
+               - typo3/scriptaculous/* -> typo3/contrib/scriptaculous/*
+               - typo3/json.php                -> typo3/contrib/json.php
+       * Changed paths to typo3/contrib in affected core files
 
 2007-01-25  Ingmar Schlecht  <ingmar@typo3.org>
 
index 41bd919..1fa9020 100755 (executable)
@@ -4588,13 +4588,13 @@ class t3lib_TCEforms    {
                                $jsFile[] =     '<script type="text/javascript" src="'.$this->backPath.'md5.js"></script>';
                        }
 
-                       $jsFile[] = '<script type="text/javascript" src="'.$this->backPath.'prototype.js"></script>';
+                       $jsFile[] = '<script type="text/javascript" src="'.$this->backPath.'contrib/prototype.js"></script>';
                        $jsFile[] =     '<script type="text/javascript" src="'.$this->backPath.'../t3lib/jsfunc.evalfield.js"></script>';
                        $jsFile[] =     '<script type="text/javascript" src="'.$this->backPath.'jsfunc.tbe_editor.js"></script>';
 
                                // if IRRE fields were processed, add the JavaScript functions:
                        if ($this->inline->inlineCount) {
-                               $jsFile[] = '<script src="'.$this->backPath.'scriptaculous/scriptaculous.js" type="text/javascript"></script>';
+                               $jsFile[] = '<script src="'.$this->backPath.'contrib/scriptaculous/scriptaculous.js" type="text/javascript"></script>';
                                $jsFile[] = '<script src="'.$this->backPath.'../t3lib/jsfunc.inline.js" type="text/javascript"></script>';
                                $out .= '
                                inline.setPrependFormFieldNames("'.$this->inline->prependNaming.'");
index 87bb561..83a5baf 100755 (executable)
@@ -1505,7 +1505,7 @@ class t3lib_TCEforms_inline {
         */
        function getJSON($jsonArray) {
                if (!$GLOBALS['JSON']) {
-                       require_once(PATH_typo3.'json.php');
+                       require_once(PATH_typo3.'contrib/json.php');
                        $GLOBALS['JSON'] = t3lib_div::makeInstance('Services_JSON');
                }
                return $GLOBALS['JSON']->encode($jsonArray);
index a2d5439..705d4ad 100755 (executable)
@@ -125,7 +125,7 @@ class SC_alt_db_navframe {
 
                                // Adding javascript code for AJAX (prototype), drag&drop and the pagetree
                        $this->doc->JScode  = '
-                       <script type="text/javascript" src="'.$this->backPath.'prototype.js"></script>
+                       <script type="text/javascript" src="'.$this->backPath.'contrib/prototype.js"></script>
                        <script type="text/javascript" src="'.$this->backPath.'tree.js"></script>'."\n";
 
                        $this->doc->JScode .= $this->doc->wrapScriptTags(
index 4fd3b22..7828957 100755 (executable)
@@ -114,7 +114,7 @@ class SC_alt_file_navframe {
 
                                // Adding javascript code for AJAX (prototype), drag&drop and the pagetree
                        $this->doc->JScode  = '
-                       <script type="text/javascript" src="'.$this->backPath.'prototype.js"></script>
+                       <script type="text/javascript" src="'.$this->backPath.'contrib/prototype.js"></script>
                        <script type="text/javascript" src="'.$this->backPath.'tree.js"></script>'."\n";
 
                                // Setting JavaScript for menu.
index f0a84a6..3a71206 100644 (file)
@@ -498,8 +498,8 @@ class SC_alt_main {
                //Add styles
                $this->content.='
                
-               <script src="prototype.js" language="JavaScript" type="text/javascript"></script>
-               <script src="scriptaculous/scriptaculous.js" language="JavaScript" type="text/javascript"></script>
+               <script src="contrib/prototype.js" language="JavaScript" type="text/javascript"></script>
+               <script src="contrib/scriptaculous/scriptaculous.js" language="JavaScript" type="text/javascript"></script>
                <script type="text/javascript" language="JavaScript">
                        function getElementContent(placeholderId, frequency, url) {
                                if (!url)       {
diff --git a/typo3/contrib/json.php b/typo3/contrib/json.php
new file mode 100755 (executable)
index 0000000..8283e7e
--- /dev/null
@@ -0,0 +1,806 @@
+<?php
+/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
+
+/**
+ * Converts to and from JSON format.
+ *
+ * JSON (JavaScript Object Notation) is a lightweight data-interchange
+ * format. It is easy for humans to read and write. It is easy for machines
+ * to parse and generate. It is based on a subset of the JavaScript
+ * Programming Language, Standard ECMA-262 3rd Edition - December 1999.
+ * This feature can also be found in  Python. JSON is a text format that is
+ * completely language independent but uses conventions that are familiar
+ * to programmers of the C-family of languages, including C, C++, C#, Java,
+ * JavaScript, Perl, TCL, and many others. These properties make JSON an
+ * ideal data-interchange language.
+ *
+ * This package provides a simple encoder and decoder for JSON notation. It
+ * is intended for use with client-side Javascript applications that make
+ * use of HTTPRequest to perform server communication functions - data can
+ * be encoded into JSON notation for use in a client-side javascript, or
+ * decoded from incoming Javascript requests. JSON format is native to
+ * Javascript, and can be directly eval()'ed with no further parsing
+ * overhead
+ *
+ * All strings should be in ASCII or UTF-8 format!
+ *
+ * LICENSE: Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met: Redistributions of source code must retain the
+ * above copyright notice, this list of conditions and the following
+ * disclaimer. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * @category
+ * @package     Services_JSON
+ * @author      Michal Migurski <mike-json@teczno.com>
+ * @author      Matt Knapp <mdknapp[at]gmail[dot]com>
+ * @author      Brett Stimmerman <brettstimmerman[at]gmail[dot]com>
+ * @copyright   2005 Michal Migurski
+ * @version     CVS: $Id$
+ * @license     http://www.opensource.org/licenses/bsd-license.php
+ * @link        http://pear.php.net/pepr/pepr-proposal-show.php?id=198
+ */
+
+/**
+ * Marker constant for Services_JSON::decode(), used to flag stack state
+ */
+define('SERVICES_JSON_SLICE',   1);
+
+/**
+ * Marker constant for Services_JSON::decode(), used to flag stack state
+ */
+define('SERVICES_JSON_IN_STR',  2);
+
+/**
+ * Marker constant for Services_JSON::decode(), used to flag stack state
+ */
+define('SERVICES_JSON_IN_ARR',  3);
+
+/**
+ * Marker constant for Services_JSON::decode(), used to flag stack state
+ */
+define('SERVICES_JSON_IN_OBJ',  4);
+
+/**
+ * Marker constant for Services_JSON::decode(), used to flag stack state
+ */
+define('SERVICES_JSON_IN_CMT', 5);
+
+/**
+ * Behavior switch for Services_JSON::decode()
+ */
+define('SERVICES_JSON_LOOSE_TYPE', 16);
+
+/**
+ * Behavior switch for Services_JSON::decode()
+ */
+define('SERVICES_JSON_SUPPRESS_ERRORS', 32);
+
+/**
+ * Converts to and from JSON format.
+ *
+ * Brief example of use:
+ *
+ * <code>
+ * // create a new instance of Services_JSON
+ * $json = new Services_JSON();
+ *
+ * // convert a complexe value to JSON notation, and send it to the browser
+ * $value = array('foo', 'bar', array(1, 2, 'baz'), array(3, array(4)));
+ * $output = $json->encode($value);
+ *
+ * print($output);
+ * // prints: ["foo","bar",[1,2,"baz"],[3,[4]]]
+ *
+ * // accept incoming POST data, assumed to be in JSON notation
+ * $input = file_get_contents('php://input', 1000000);
+ * $value = $json->decode($input);
+ * </code>
+ */
+class Services_JSON
+{
+   /**
+    * constructs a new JSON instance
+    *
+    * @param    int     $use    object behavior flags; combine with boolean-OR
+    *
+    *                           possible values:
+    *                           - SERVICES_JSON_LOOSE_TYPE:  loose typing.
+    *                                   "{...}" syntax creates associative arrays
+    *                                   instead of objects in decode().
+    *                           - SERVICES_JSON_SUPPRESS_ERRORS:  error suppression.
+    *                                   Values which can't be encoded (e.g. resources)
+    *                                   appear as NULL instead of throwing errors.
+    *                                   By default, a deeply-nested resource will
+    *                                   bubble up with an error, so all return values
+    *                                   from encode() should be checked with isError()
+    */
+    function Services_JSON($use = 0)
+    {
+        $this->use = $use;
+    }
+
+   /**
+    * convert a string from one UTF-16 char to one UTF-8 char
+    *
+    * Normally should be handled by mb_convert_encoding, but
+    * provides a slower PHP-only method for installations
+    * that lack the multibye string extension.
+    *
+    * @param    string  $utf16  UTF-16 character
+    * @return   string  UTF-8 character
+    * @access   private
+    */
+    function utf162utf8($utf16)
+    {
+        // oh please oh please oh please oh please oh please
+        if(function_exists('mb_convert_encoding')) {
+            return mb_convert_encoding($utf16, 'UTF-8', 'UTF-16');
+        }
+
+        $bytes = (ord($utf16{0}) << 8) | ord($utf16{1});
+
+        switch(true) {
+            case ((0x7F & $bytes) == $bytes):
+                // this case should never be reached, because we are in ASCII range
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return chr(0x7F & $bytes);
+
+            case (0x07FF & $bytes) == $bytes:
+                // return a 2-byte UTF-8 character
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return chr(0xC0 | (($bytes >> 6) & 0x1F))
+                     . chr(0x80 | ($bytes & 0x3F));
+
+            case (0xFFFF & $bytes) == $bytes:
+                // return a 3-byte UTF-8 character
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return chr(0xE0 | (($bytes >> 12) & 0x0F))
+                     . chr(0x80 | (($bytes >> 6) & 0x3F))
+                     . chr(0x80 | ($bytes & 0x3F));
+        }
+
+        // ignoring UTF-32 for now, sorry
+        return '';
+    }
+
+   /**
+    * convert a string from one UTF-8 char to one UTF-16 char
+    *
+    * Normally should be handled by mb_convert_encoding, but
+    * provides a slower PHP-only method for installations
+    * that lack the multibye string extension.
+    *
+    * @param    string  $utf8   UTF-8 character
+    * @return   string  UTF-16 character
+    * @access   private
+    */
+    function utf82utf16($utf8)
+    {
+        // oh please oh please oh please oh please oh please
+        if(function_exists('mb_convert_encoding')) {
+            return mb_convert_encoding($utf8, 'UTF-16', 'UTF-8');
+        }
+
+        switch(strlen($utf8)) {
+            case 1:
+                // this case should never be reached, because we are in ASCII range
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return $utf8;
+
+            case 2:
+                // return a UTF-16 character from a 2-byte UTF-8 char
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return chr(0x07 & (ord($utf8{0}) >> 2))
+                     . chr((0xC0 & (ord($utf8{0}) << 6))
+                         | (0x3F & ord($utf8{1})));
+
+            case 3:
+                // return a UTF-16 character from a 3-byte UTF-8 char
+                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                return chr((0xF0 & (ord($utf8{0}) << 4))
+                         | (0x0F & (ord($utf8{1}) >> 2)))
+                     . chr((0xC0 & (ord($utf8{1}) << 6))
+                         | (0x7F & ord($utf8{2})));
+        }
+
+        // ignoring UTF-32 for now, sorry
+        return '';
+    }
+
+   /**
+    * encodes an arbitrary variable into JSON format
+    *
+    * @param    mixed   $var    any number, boolean, string, array, or object to be encoded.
+    *                           see argument 1 to Services_JSON() above for array-parsing behavior.
+    *                           if var is a strng, note that encode() always expects it
+    *                           to be in ASCII or UTF-8 format!
+    *
+    * @return   mixed   JSON string representation of input var or an error if a problem occurs
+    * @access   public
+    */
+    function encode($var)
+    {
+        switch (gettype($var)) {
+            case 'boolean':
+                return $var ? 'true' : 'false';
+
+            case 'NULL':
+                return 'null';
+
+            case 'integer':
+                return (int) $var;
+
+            case 'double':
+            case 'float':
+                return (float) $var;
+
+            case 'string':
+                // STRINGS ARE EXPECTED TO BE IN ASCII OR UTF-8 FORMAT
+                $ascii = '';
+                $strlen_var = strlen($var);
+
+               /*
+                * Iterate over every character in the string,
+                * escaping with a slash or encoding to UTF-8 where necessary
+                */
+                for ($c = 0; $c < $strlen_var; ++$c) {
+
+                    $ord_var_c = ord($var{$c});
+
+                    switch (true) {
+                        case $ord_var_c == 0x08:
+                            $ascii .= '\b';
+                            break;
+                        case $ord_var_c == 0x09:
+                            $ascii .= '\t';
+                            break;
+                        case $ord_var_c == 0x0A:
+                            $ascii .= '\n';
+                            break;
+                        case $ord_var_c == 0x0C:
+                            $ascii .= '\f';
+                            break;
+                        case $ord_var_c == 0x0D:
+                            $ascii .= '\r';
+                            break;
+
+                        case $ord_var_c == 0x22:
+                        case $ord_var_c == 0x2F:
+                        case $ord_var_c == 0x5C:
+                            // double quote, slash, slosh
+                            $ascii .= '\\'.$var{$c};
+                            break;
+
+                        case (($ord_var_c >= 0x20) && ($ord_var_c <= 0x7F)):
+                            // characters U-00000000 - U-0000007F (same as ASCII)
+                            $ascii .= $var{$c};
+                            break;
+
+                        case (($ord_var_c & 0xE0) == 0xC0):
+                            // characters U-00000080 - U-000007FF, mask 110XXXXX
+                            // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                            $char = pack('C*', $ord_var_c, ord($var{$c + 1}));
+                            $c += 1;
+                            $utf16 = $this->utf82utf16($char);
+                            $ascii .= sprintf('\u%04s', bin2hex($utf16));
+                            break;
+
+                        case (($ord_var_c & 0xF0) == 0xE0):
+                            // characters U-00000800 - U-0000FFFF, mask 1110XXXX
+                            // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                            $char = pack('C*', $ord_var_c,
+                                         ord($var{$c + 1}),
+                                         ord($var{$c + 2}));
+                            $c += 2;
+                            $utf16 = $this->utf82utf16($char);
+                            $ascii .= sprintf('\u%04s', bin2hex($utf16));
+                            break;
+
+                        case (($ord_var_c & 0xF8) == 0xF0):
+                            // characters U-00010000 - U-001FFFFF, mask 11110XXX
+                            // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                            $char = pack('C*', $ord_var_c,
+                                         ord($var{$c + 1}),
+                                         ord($var{$c + 2}),
+                                         ord($var{$c + 3}));
+                            $c += 3;
+                            $utf16 = $this->utf82utf16($char);
+                            $ascii .= sprintf('\u%04s', bin2hex($utf16));
+                            break;
+
+                        case (($ord_var_c & 0xFC) == 0xF8):
+                            // characters U-00200000 - U-03FFFFFF, mask 111110XX
+                            // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                            $char = pack('C*', $ord_var_c,
+                                         ord($var{$c + 1}),
+                                         ord($var{$c + 2}),
+                                         ord($var{$c + 3}),
+                                         ord($var{$c + 4}));
+                            $c += 4;
+                            $utf16 = $this->utf82utf16($char);
+                            $ascii .= sprintf('\u%04s', bin2hex($utf16));
+                            break;
+
+                        case (($ord_var_c & 0xFE) == 0xFC):
+                            // characters U-04000000 - U-7FFFFFFF, mask 1111110X
+                            // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                            $char = pack('C*', $ord_var_c,
+                                         ord($var{$c + 1}),
+                                         ord($var{$c + 2}),
+                                         ord($var{$c + 3}),
+                                         ord($var{$c + 4}),
+                                         ord($var{$c + 5}));
+                            $c += 5;
+                            $utf16 = $this->utf82utf16($char);
+                            $ascii .= sprintf('\u%04s', bin2hex($utf16));
+                            break;
+                    }
+                }
+
+                return '"'.$ascii.'"';
+
+            case 'array':
+               /*
+                * As per JSON spec if any array key is not an integer
+                * we must treat the the whole array as an object. We
+                * also try to catch a sparsely populated associative
+                * array with numeric keys here because some JS engines
+                * will create an array with empty indexes up to
+                * max_index which can cause memory issues and because
+                * the keys, which may be relevant, will be remapped
+                * otherwise.
+                *
+                * As per the ECMA and JSON specification an object may
+                * have any string as a property. Unfortunately due to
+                * a hole in the ECMA specification if the key is a
+                * ECMA reserved word or starts with a digit the
+                * parameter is only accessible using ECMAScript's
+                * bracket notation.
+                */
+
+                // treat as a JSON object
+                if (is_array($var) && count($var) && (array_keys($var) !== range(0, sizeof($var) - 1))) {
+                    $properties = array_map(array($this, 'name_value'),
+                                            array_keys($var),
+                                            array_values($var));
+
+                    foreach($properties as $property) {
+                        if(Services_JSON::isError($property)) {
+                            return $property;
+                        }
+                    }
+
+                    return '{' . join(',', $properties) . '}';
+                }
+
+                // treat it like a regular array
+                $elements = array_map(array($this, 'encode'), $var);
+
+                foreach($elements as $element) {
+                    if(Services_JSON::isError($element)) {
+                        return $element;
+                    }
+                }
+
+                return '[' . join(',', $elements) . ']';
+
+            case 'object':
+                $vars = get_object_vars($var);
+
+                $properties = array_map(array($this, 'name_value'),
+                                        array_keys($vars),
+                                        array_values($vars));
+
+                foreach($properties as $property) {
+                    if(Services_JSON::isError($property)) {
+                        return $property;
+                    }
+                }
+
+                return '{' . join(',', $properties) . '}';
+
+            default:
+                return ($this->use & SERVICES_JSON_SUPPRESS_ERRORS)
+                    ? 'null'
+                    : new Services_JSON_Error(gettype($var)." can not be encoded as JSON string");
+        }
+    }
+
+   /**
+    * array-walking function for use in generating JSON-formatted name-value pairs
+    *
+    * @param    string  $name   name of key to use
+    * @param    mixed   $value  reference to an array element to be encoded
+    *
+    * @return   string  JSON-formatted name-value pair, like '"name":value'
+    * @access   private
+    */
+    function name_value($name, $value)
+    {
+        $encoded_value = $this->encode($value);
+
+        if(Services_JSON::isError($encoded_value)) {
+            return $encoded_value;
+        }
+
+        return $this->encode(strval($name)) . ':' . $encoded_value;
+    }
+
+   /**
+    * reduce a string by removing leading and trailing comments and whitespace
+    *
+    * @param    $str    string      string value to strip of comments and whitespace
+    *
+    * @return   string  string value stripped of comments and whitespace
+    * @access   private
+    */
+    function reduce_string($str)
+    {
+        $str = preg_replace(array(
+
+                // eliminate single line comments in '// ...' form
+                '#^\s*//(.+)$#m',
+
+                // eliminate multi-line comments in '/* ... */' form, at start of string
+                '#^\s*/\*(.+)\*/#Us',
+
+                // eliminate multi-line comments in '/* ... */' form, at end of string
+                '#/\*(.+)\*/\s*$#Us'
+
+            ), '', $str);
+
+        // eliminate extraneous space
+        return trim($str);
+    }
+
+   /**
+    * decodes a JSON string into appropriate variable
+    *
+    * @param    string  $str    JSON-formatted string
+    *
+    * @return   mixed   number, boolean, string, array, or object
+    *                   corresponding to given JSON input string.
+    *                   See argument 1 to Services_JSON() above for object-output behavior.
+    *                   Note that decode() always returns strings
+    *                   in ASCII or UTF-8 format!
+    * @access   public
+    */
+    function decode($str)
+    {
+        $str = $this->reduce_string($str);
+
+        switch (strtolower($str)) {
+            case 'true':
+                return true;
+
+            case 'false':
+                return false;
+
+            case 'null':
+                return null;
+
+            default:
+                $m = array();
+
+                if (is_numeric($str)) {
+                    // Lookie-loo, it's a number
+
+                    // This would work on its own, but I'm trying to be
+                    // good about returning integers where appropriate:
+                    // return (float)$str;
+
+                    // Return float or int, as appropriate
+                    return ((float)$str == (integer)$str)
+                        ? (integer)$str
+                        : (float)$str;
+
+                } elseif (preg_match('/^("|\').*(\1)$/s', $str, $m) && $m[1] == $m[2]) {
+                    // STRINGS RETURNED IN UTF-8 FORMAT
+                    $delim = substr($str, 0, 1);
+                    $chrs = substr($str, 1, -1);
+                    $utf8 = '';
+                    $strlen_chrs = strlen($chrs);
+
+                    for ($c = 0; $c < $strlen_chrs; ++$c) {
+
+                        $substr_chrs_c_2 = substr($chrs, $c, 2);
+                        $ord_chrs_c = ord($chrs{$c});
+
+                        switch (true) {
+                            case $substr_chrs_c_2 == '\b':
+                                $utf8 .= chr(0x08);
+                                ++$c;
+                                break;
+                            case $substr_chrs_c_2 == '\t':
+                                $utf8 .= chr(0x09);
+                                ++$c;
+                                break;
+                            case $substr_chrs_c_2 == '\n':
+                                $utf8 .= chr(0x0A);
+                                ++$c;
+                                break;
+                            case $substr_chrs_c_2 == '\f':
+                                $utf8 .= chr(0x0C);
+                                ++$c;
+                                break;
+                            case $substr_chrs_c_2 == '\r':
+                                $utf8 .= chr(0x0D);
+                                ++$c;
+                                break;
+
+                            case $substr_chrs_c_2 == '\\"':
+                            case $substr_chrs_c_2 == '\\\'':
+                            case $substr_chrs_c_2 == '\\\\':
+                            case $substr_chrs_c_2 == '\\/':
+                                if (($delim == '"' && $substr_chrs_c_2 != '\\\'') ||
+                                   ($delim == "'" && $substr_chrs_c_2 != '\\"')) {
+                                    $utf8 .= $chrs{++$c};
+                                }
+                                break;
+
+                            case preg_match('/\\\u[0-9A-F]{4}/i', substr($chrs, $c, 6)):
+                                // single, escaped unicode character
+                                $utf16 = chr(hexdec(substr($chrs, ($c + 2), 2)))
+                                       . chr(hexdec(substr($chrs, ($c + 4), 2)));
+                                $utf8 .= $this->utf162utf8($utf16);
+                                $c += 5;
+                                break;
+
+                            case ($ord_chrs_c >= 0x20) && ($ord_chrs_c <= 0x7F):
+                                $utf8 .= $chrs{$c};
+                                break;
+
+                            case ($ord_chrs_c & 0xE0) == 0xC0:
+                                // characters U-00000080 - U-000007FF, mask 110XXXXX
+                                //see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                                $utf8 .= substr($chrs, $c, 2);
+                                ++$c;
+                                break;
+
+                            case ($ord_chrs_c & 0xF0) == 0xE0:
+                                // characters U-00000800 - U-0000FFFF, mask 1110XXXX
+                                // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                                $utf8 .= substr($chrs, $c, 3);
+                                $c += 2;
+                                break;
+
+                            case ($ord_chrs_c & 0xF8) == 0xF0:
+                                // characters U-00010000 - U-001FFFFF, mask 11110XXX
+                                // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                                $utf8 .= substr($chrs, $c, 4);
+                                $c += 3;
+                                break;
+
+                            case ($ord_chrs_c & 0xFC) == 0xF8:
+                                // characters U-00200000 - U-03FFFFFF, mask 111110XX
+                                // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                                $utf8 .= substr($chrs, $c, 5);
+                                $c += 4;
+                                break;
+
+                            case ($ord_chrs_c & 0xFE) == 0xFC:
+                                // characters U-04000000 - U-7FFFFFFF, mask 1111110X
+                                // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
+                                $utf8 .= substr($chrs, $c, 6);
+                                $c += 5;
+                                break;
+
+                        }
+
+                    }
+
+                    return $utf8;
+
+                } elseif (preg_match('/^\[.*\]$/s', $str) || preg_match('/^\{.*\}$/s', $str)) {
+                    // array, or object notation
+
+                    if ($str{0} == '[') {
+                        $stk = array(SERVICES_JSON_IN_ARR);
+                        $arr = array();
+                    } else {
+                        if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
+                            $stk = array(SERVICES_JSON_IN_OBJ);
+                            $obj = array();
+                        } else {
+                            $stk = array(SERVICES_JSON_IN_OBJ);
+                            $obj = new stdClass();
+                        }
+                    }
+
+                    array_push($stk, array('what'  => SERVICES_JSON_SLICE,
+                                           'where' => 0,
+                                           'delim' => false));
+
+                    $chrs = substr($str, 1, -1);
+                    $chrs = $this->reduce_string($chrs);
+
+                    if ($chrs == '') {
+                        if (reset($stk) == SERVICES_JSON_IN_ARR) {
+                            return $arr;
+
+                        } else {
+                            return $obj;
+
+                        }
+                    }
+
+                    //print("\nparsing {$chrs}\n");
+
+                    $strlen_chrs = strlen($chrs);
+
+                    for ($c = 0; $c <= $strlen_chrs; ++$c) {
+
+                        $top = end($stk);
+                        $substr_chrs_c_2 = substr($chrs, $c, 2);
+
+                        if (($c == $strlen_chrs) || (($chrs{$c} == ',') && ($top['what'] == SERVICES_JSON_SLICE))) {
+                            // found a comma that is not inside a string, array, etc.,
+                            // OR we've reached the end of the character list
+                            $slice = substr($chrs, $top['where'], ($c - $top['where']));
+                            array_push($stk, array('what' => SERVICES_JSON_SLICE, 'where' => ($c + 1), 'delim' => false));
+                            //print("Found split at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n");
+
+                            if (reset($stk) == SERVICES_JSON_IN_ARR) {
+                                // we are in an array, so just push an element onto the stack
+                                array_push($arr, $this->decode($slice));
+
+                            } elseif (reset($stk) == SERVICES_JSON_IN_OBJ) {
+                                // we are in an object, so figure
+                                // out the property name and set an
+                                // element in an associative array,
+                                // for now
+                                $parts = array();
+                                
+                                if (preg_match('/^\s*(["\'].*[^\\\]["\'])\s*:\s*(\S.*),?$/Uis', $slice, $parts)) {
+                                    // "name":value pair
+                                    $key = $this->decode($parts[1]);
+                                    $val = $this->decode($parts[2]);
+
+                                    if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
+                                        $obj[$key] = $val;
+                                    } else {
+                                        $obj->$key = $val;
+                                    }
+                                } elseif (preg_match('/^\s*(\w+)\s*:\s*(\S.*),?$/Uis', $slice, $parts)) {
+                                    // name:value pair, where name is unquoted
+                                    $key = $parts[1];
+                                    $val = $this->decode($parts[2]);
+
+                                    if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
+                                        $obj[$key] = $val;
+                                    } else {
+                                        $obj->$key = $val;
+                                    }
+                                }
+
+                            }
+
+                        } elseif ((($chrs{$c} == '"') || ($chrs{$c} == "'")) && ($top['what'] != SERVICES_JSON_IN_STR)) {
+                            // found a quote, and we are not inside a string
+                            array_push($stk, array('what' => SERVICES_JSON_IN_STR, 'where' => $c, 'delim' => $chrs{$c}));
+                            //print("Found start of string at {$c}\n");
+
+                        } elseif (($chrs{$c} == $top['delim']) &&
+                                 ($top['what'] == SERVICES_JSON_IN_STR) &&
+                                 ((strlen(substr($chrs, 0, $c)) - strlen(rtrim(substr($chrs, 0, $c), '\\'))) % 2 != 1)) {
+                            // found a quote, we're in a string, and it's not escaped
+                            // we know that it's not escaped becase there is _not_ an
+                            // odd number of backslashes at the end of the string so far
+                            array_pop($stk);
+                            //print("Found end of string at {$c}: ".substr($chrs, $top['where'], (1 + 1 + $c - $top['where']))."\n");
+
+                        } elseif (($chrs{$c} == '[') &&
+                                 in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) {
+                            // found a left-bracket, and we are in an array, object, or slice
+                            array_push($stk, array('what' => SERVICES_JSON_IN_ARR, 'where' => $c, 'delim' => false));
+                            //print("Found start of array at {$c}\n");
+
+                        } elseif (($chrs{$c} == ']') && ($top['what'] == SERVICES_JSON_IN_ARR)) {
+                            // found a right-bracket, and we're in an array
+                            array_pop($stk);
+                            //print("Found end of array at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n");
+
+                        } elseif (($chrs{$c} == '{') &&
+                                 in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) {
+                            // found a left-brace, and we are in an array, object, or slice
+                            array_push($stk, array('what' => SERVICES_JSON_IN_OBJ, 'where' => $c, 'delim' => false));
+                            //print("Found start of object at {$c}\n");
+
+                        } elseif (($chrs{$c} == '}') && ($top['what'] == SERVICES_JSON_IN_OBJ)) {
+                            // found a right-brace, and we're in an object
+                            array_pop($stk);
+                            //print("Found end of object at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n");
+
+                        } elseif (($substr_chrs_c_2 == '/*') &&
+                                 in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) {
+                            // found a comment start, and we are in an array, object, or slice
+                            array_push($stk, array('what' => SERVICES_JSON_IN_CMT, 'where' => $c, 'delim' => false));
+                            $c++;
+                            //print("Found start of comment at {$c}\n");
+
+                        } elseif (($substr_chrs_c_2 == '*/') && ($top['what'] == SERVICES_JSON_IN_CMT)) {
+                            // found a comment end, and we're in one now
+                            array_pop($stk);
+                            $c++;
+
+                            for ($i = $top['where']; $i <= $c; ++$i)
+                                $chrs = substr_replace($chrs, ' ', $i, 1);
+
+                            //print("Found end of comment at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n");
+
+                        }
+
+                    }
+
+                    if (reset($stk) == SERVICES_JSON_IN_ARR) {
+                        return $arr;
+
+                    } elseif (reset($stk) == SERVICES_JSON_IN_OBJ) {
+                        return $obj;
+
+                    }
+
+                }
+        }
+    }
+
+    /**
+     * @todo Ultimately, this should just call PEAR::isError()
+     */
+    function isError($data, $code = null)
+    {
+        if (class_exists('pear')) {
+            return PEAR::isError($data, $code);
+        } elseif (is_object($data) && (get_class($data) == 'services_json_error' ||
+                                 is_subclass_of($data, 'services_json_error'))) {
+            return true;
+        }
+
+        return false;
+    }
+}
+
+if (class_exists('PEAR_Error')) {
+
+    class Services_JSON_Error extends PEAR_Error
+    {
+        function Services_JSON_Error($message = 'unknown error', $code = null,
+                                     $mode = null, $options = null, $userinfo = null)
+        {
+            parent::PEAR_Error($message, $code, $mode, $options, $userinfo);
+        }
+    }
+
+} else {
+
+    /**
+     * @todo Ultimately, this class shall be descended from PEAR_Error
+     */
+    class Services_JSON_Error
+    {
+        function Services_JSON_Error($message = 'unknown error', $code = null,
+                                     $mode = null, $options = null, $userinfo = null)
+        {
+
+        }
+    }
+
+}
+    
+?>
diff --git a/typo3/contrib/prototype/prototype.js b/typo3/contrib/prototype/prototype.js
new file mode 100644 (file)
index 0000000..0476b8f
--- /dev/null
@@ -0,0 +1,2515 @@
+/*  Prototype JavaScript framework, version 1.5.0
+ *  (c) 2005-2007 Sam Stephenson
+ *
+ *  Prototype is freely distributable under the terms of an MIT-style license.
+ *  For details, see the Prototype web site: http://prototype.conio.net/
+ *
+/*--------------------------------------------------------------------------*/
+
+var Prototype = {
+  Version: '1.5.0',
+  BrowserFeatures: {
+    XPath: !!document.evaluate
+  },
+
+  ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
+  emptyFunction: function() {},
+  K: function(x) { return x }
+}
+
+var Class = {
+  create: function() {
+    return function() {
+      this.initialize.apply(this, arguments);
+    }
+  }
+}
+
+var Abstract = new Object();
+
+Object.extend = function(destination, source) {
+  for (var property in source) {
+    destination[property] = source[property];
+  }
+  return destination;
+}
+
+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() {
+  var __method = this, args = $A(arguments), object = args.shift();
+  return function() {
+    return __method.apply(object, args.concat($A(arguments)));
+  }
+}
+
+Function.prototype.bindAsEventListener = function(object) {
+  var __method = this, args = $A(arguments), object = args.shift();
+  return function(event) {
+    return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments)));
+  }
+}
+
+Object.extend(Number.prototype, {
+  toColorPart: function() {
+    var digits = this.toString(16);
+    if (this < 16) return '0' + digits;
+    return digits;
+  },
+
+  succ: function() {
+    return this + 1;
+  },
+
+  times: function(iterator) {
+    $R(0, this, true).each(iterator);
+    return this;
+  }
+});
+
+var Try = {
+  these: function() {
+    var returnValue;
+
+    for (var i = 0, length = arguments.length; i < length; i++) {
+      var lambda = arguments[i];
+      try {
+        returnValue = lambda();
+        break;
+      } catch (e) {}
+    }
+
+    return returnValue;
+  }
+}
+
+/*--------------------------------------------------------------------------*/
+
+var PeriodicalExecuter = Class.create();
+PeriodicalExecuter.prototype = {
+  initialize: function(callback, frequency) {
+    this.callback = callback;
+    this.frequency = frequency;
+    this.currentlyExecuting = false;
+
+    this.registerCallback();
+  },
+
+  registerCallback: function() {
+    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
+  },
+
+  stop: function() {
+    if (!this.timer) return;
+    clearInterval(this.timer);
+    this.timer = null;
+  },
+
+  onTimerEvent: function() {
+    if (!this.currentlyExecuting) {
+      try {
+        this.currentlyExecuting = true;
+        this.callback(this);
+      } finally {
+        this.currentlyExecuting = false;
+      }
+    }
+  }
+}
+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, '');
+  },
+
+  stripScripts: function() {
+    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
+  },
+
+  extractScripts: function() {
+    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
+    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
+    return (this.match(matchAll) || []).map(function(scriptTag) {
+      return (scriptTag.match(matchOne) || ['', ''])[1];
+    });
+  },
+
+  evalScripts: function() {
+    return this.extractScripts().map(function(script) { return eval(script) });
+  },
+
+  escapeHTML: function() {
+    var div = document.createElement('div');
+    var text = document.createTextNode(this);
+    div.appendChild(text);
+    return div.innerHTML;
+  },
+
+  unescapeHTML: function() {
+    var div = document.createElement('div');
+    div.innerHTML = this.stripTags();
+    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;
+    });
+  },
+
+  toArray: function() {
+    return this.split('');
+  },
+
+  succ: function() {
+    return this.slice(0, this.length - 1) +
+      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
+  },
+
+  camelize: function() {
+    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();
+var $continue = new Object();
+
+var Enumerable = {
+  each: function(iterator) {
+    var index = 0;
+    try {
+      this._each(function(value) {
+        try {
+          iterator(value, index++);
+        } catch (e) {
+          if (e != $continue) throw e;
+        }
+      });
+    } catch (e) {
+      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);
+  },
+
+  all: function(iterator) {
+    var result = true;
+    this.each(function(value, index) {
+      result = result && !!(iterator || Prototype.K)(value, index);
+      if (!result) throw $break;
+    });
+    return result;
+  },
+
+  any: function(iterator) {
+    var result = false;
+    this.each(function(value, index) {
+      if (result = !!(iterator || Prototype.K)(value, index))
+        throw $break;
+    });
+    return result;
+  },
+
+  collect: function(iterator) {
+    var results = [];
+    this.each(function(value, index) {
+      results.push((iterator || Prototype.K)(value, index));
+    });
+    return results;
+  },
+
+  detect: function(iterator) {
+    var result;
+    this.each(function(value, index) {
+      if (iterator(value, index)) {
+        result = value;
+        throw $break;
+      }
+    });
+    return result;
+  },
+
+  findAll: function(iterator) {
+    var results = [];
+    this.each(function(value, index) {
+      if (iterator(value, index))
+        results.push(value);
+    });
+    return results;
+  },
+
+  grep: function(pattern, iterator) {
+    var results = [];
+    this.each(function(value, index) {
+      var stringValue = value.toString();
+      if (stringValue.match(pattern))
+        results.push((iterator || Prototype.K)(value, index));
+    })
+    return results;
+  },
+
+  include: function(object) {
+    var found = false;
+    this.each(function(value) {
+      if (value == object) {
+        found = true;
+        throw $break;
+      }
+    });
+    return found;
+  },
+
+  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) {
+      memo = iterator(memo, value, index);
+    });
+    return memo;
+  },
+
+  invoke: function(method) {
+    var args = $A(arguments).slice(1);
+    return this.map(function(value) {
+      return value[method].apply(value, args);
+    });
+  },
+
+  max: function(iterator) {
+    var result;
+    this.each(function(value, index) {
+      value = (iterator || Prototype.K)(value, index);
+      if (result == undefined || value >= result)
+        result = value;
+    });
+    return result;
+  },
+
+  min: function(iterator) {
+    var result;
+    this.each(function(value, index) {
+      value = (iterator || Prototype.K)(value, index);
+      if (result == undefined || value < result)
+        result = value;
+    });
+    return result;
+  },
+
+  partition: function(iterator) {
+    var trues = [], falses = [];
+    this.each(function(value, index) {
+      ((iterator || Prototype.K)(value, index) ?
+        trues : falses).push(value);
+    });
+    return [trues, falses];
+  },
+
+  pluck: function(property) {
+    var results = [];
+    this.each(function(value, index) {
+      results.push(value[property]);
+    });
+    return results;
+  },
+
+  reject: function(iterator) {
+    var results = [];
+    this.each(function(value, index) {
+      if (!iterator(value, index))
+        results.push(value);
+    });
+    return results;
+  },
+
+  sortBy: function(iterator) {
+    return this.map(function(value, index) {
+      return {value: value, criteria: iterator(value, index)};
+    }).sort(function(left, right) {
+      var a = left.criteria, b = right.criteria;
+      return a < b ? -1 : a > b ? 1 : 0;
+    }).pluck('value');
+  },
+
+  toArray: function() {
+    return this.map();
+  },
+
+  zip: function() {
+    var iterator = Prototype.K, args = $A(arguments);
+    if (typeof args.last() == 'function')
+      iterator = args.pop();
+
+    var collections = [this].concat(args).map($A);
+    return this.map(function(value, index) {
+      return iterator(collections.pluck(index));
+    });
+  },
+
+  size: function() {
+    return this.toArray().length;
+  },
+
+  inspect: function() {
+    return '#<Enumerable:' + this.toArray().inspect() + '>';
+  }
+}
+
+Object.extend(Enumerable, {
+  map:     Enumerable.collect,
+  find:    Enumerable.detect,
+  select:  Enumerable.findAll,
+  member:  Enumerable.include,
+  entries: Enumerable.toArray
+});
+var $A = Array.from = function(iterable) {
+  if (!iterable) return [];
+  if (iterable.toArray) {
+    return iterable.toArray();
+  } else {
+    var results = [];
+    for (var i = 0, length = iterable.length; i < length; i++)
+      results.push(iterable[i]);
+    return results;
+  }
+}
+
+Object.extend(Array.prototype, Enumerable);
+
+if (!Array.prototype._reverse)
+  Array.prototype._reverse = Array.prototype.reverse;
+
+Object.extend(Array.prototype, {
+  _each: function(iterator) {
+    for (var i = 0, length = this.length; i < length; i++)
+      iterator(this[i]);
+  },
+
+  clear: function() {
+    this.length = 0;
+    return this;
+  },
+
+  first: function() {
+    return this[0];
+  },
+
+  last: function() {
+    return this[this.length - 1];
+  },
+
+  compact: function() {
+    return this.select(function(value) {
+      return value != null;
+    });
+  },
+
+  flatten: function() {
+    return this.inject([], function(array, value) {
+      return array.concat(value && value.constructor == Array ?
+        value.flatten() : [value]);
+    });
+  },
+
+  without: function() {
+    var values = $A(arguments);
+    return this.select(function(value) {
+      return !values.include(value);
+    });
+  },
+
+  indexOf: function(object) {
+    for (var i = 0, length = this.length; i < length; i++)
+      if (this[i] == object) return i;
+    return -1;
+  },
+
+  reverse: function(inline) {
+    return (inline !== false ? this : this.toArray())._reverse();
+  },
+
+  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;
+  },
+
+  inspect: function() {
+    return '[' + this.map(Object.inspect).join(', ') + ']';
+  }
+});
+
+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 (var key in this) {
+      var value = this[key];
+      if (value && value == Hash.prototype[key]) continue;
+
+      var pair = [key, value];
+      pair.key = key;
+      pair.value = value;
+      iterator(pair);
+    }
+  },
+
+  keys: function() {
+    return this.pluck('key');
+  },
+
+  values: function() {
+    return this.pluck('value');
+  },
+
+  merge: function(hash) {
+    return $H(hash).inject(this, function(mergedHash, pair) {
+      mergedHash[pair.key] = pair.value;
+      return mergedHash;
+    });
+  },
+
+  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 Hash.toQueryString(this);
+  },
+
+  inspect: function() {
+    return '#<Hash:{' + this.map(function(pair) {
+      return pair.map(Object.inspect).join(': ');
+    }).join(', ') + '}>';
+  }
+});
+
+function $H(object) {
+  if (object && object.constructor == Hash) return object;
+  return new Hash(object);
+};
+ObjectRange = Class.create();
+Object.extend(ObjectRange.prototype, Enumerable);
+Object.extend(ObjectRange.prototype, {
+  initialize: function(start, end, exclusive) {
+    this.start = start;
+    this.end = end;
+    this.exclusive = exclusive;
+  },
+
+  _each: function(iterator) {
+    var value = this.start;
+    while (this.include(value)) {
+      iterator(value);
+      value = value.succ();
+    }
+  },
+
+  include: function(value) {
+    if (value < this.start)
+      return false;
+    if (this.exclusive)
+      return value < this.end;
+    return value <= this.end;
+  }
+});
+
+var $R = function(start, end, exclusive) {
+  return new ObjectRange(start, end, exclusive);
+}
+
+var Ajax = {
+  getTransport: function() {
+    return Try.these(
+      function() {return new XMLHttpRequest()},
+      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
+      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
+    ) || false;
+  },
+
+  activeRequestCount: 0
+}
+
+Ajax.Responders = {
+  responders: [],
+
+  _each: function(iterator) {
+    this.responders._each(iterator);
+  },
+
+  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 (typeof responder[callback] == 'function') {
+        try {
+          responder[callback].apply(responder, [request, transport, json]);
+        } catch (e) {}
+      }
+    });
+  }
+};
+
+Object.extend(Ajax.Responders, Enumerable);
+
+Ajax.Responders.register({
+  onCreate: function() {
+    Ajax.activeRequestCount++;
+  },
+  onComplete: function() {
+    Ajax.activeRequestCount--;
+  }
+});
+
+Ajax.Base = function() {};
+Ajax.Base.prototype = {
+  setOptions: function(options) {
+    this.options = {
+      method:       'post',
+      asynchronous: true,
+      contentType:  'application/x-www-form-urlencoded',
+      encoding:     'UTF-8',
+      parameters:   ''
+    }
+    Object.extend(this.options, options || {});
+
+    this.options.method = this.options.method.toLowerCase();
+    if (typeof this.options.parameters == 'string')
+      this.options.parameters = this.options.parameters.toQueryParams();
+  }
+}
+
+Ajax.Request = Class.create();
+Ajax.Request.Events =
+  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
+
+Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
+  _complete: false,
+
+  initialize: function(url, options) {
+    this.transport = Ajax.getTransport();
+    this.setOptions(options);
+    this.request(url);
+  },
+
+  request: function(url) {
+    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 {
+      Ajax.Responders.dispatch('onCreate', this, this.transport);
+
+      this.transport.open(this.method.toUpperCase(), this.url,
+        this.options.asynchronous);
+
+      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
+        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
+    }
+
+    for (var name in headers)
+      this.transport.setRequestHeader(name, headers[name]);
+  },
+
+  success: function() {
+    return !this.transport.status
+        || (this.transport.status >= 200 && this.transport.status < 300);
+  },
+
+  respondToReadyState: function(readyState) {
+    var state = Ajax.Request.Events[readyState];
+    var transport = this.transport, json = this.evalJSON();
+
+    if (state == 'Complete') {
+      try {
+        this._complete = true;
+        (this.options['on' + this.transport.status]
+         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
+         || Prototype.emptyFunction)(transport, json);
+      } catch (e) {
+        this.dispatchException(e);
+      }
+
+      if ((this.getHeader('Content-type') || 'text/javascript').strip().
+        match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/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);
+    }
+
+    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) { return null }
+  },
+
+  evalJSON: function() {
+    try {
+      var json = this.getHeader('X-JSON');
+      return json ? eval('(' + json + ')') : null;
+    } catch (e) { return null }
+  },
+
+  evalResponse: function() {
+    try {
+      return eval(this.transport.responseText);
+    } catch (e) {
+      this.dispatchException(e);
+    }
+  },
+
+  dispatchException: function(exception) {
+    (this.options.onException || Prototype.emptyFunction)(this, exception);
+    Ajax.Responders.dispatch('onException', this, exception);
+  }
+});
+
+Ajax.Updater = Class.create();
+
+Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
+  initialize: function(container, url, options) {
+    this.container = {
+      success: (container.success || container),
+      failure: (container.failure || (container.success ? null : container))
+    }
+
+    this.transport = Ajax.getTransport();
+    this.setOptions(options);
+
+    var onComplete = this.options.onComplete || Prototype.emptyFunction;
+    this.options.onComplete = (function(transport, param) {
+      this.updateContent();
+      onComplete(transport, param);
+    }).bind(this);
+
+    this.request(url);
+  },
+
+  updateContent: function() {
+    var receiver = this.container[this.success() ? 'success' : 'failure'];
+    var response = this.transport.responseText;
+
+    if (!this.options.evalScripts) response = response.stripScripts();
+
+    if (receiver = $(receiver)) {
+      if (this.options.insertion)
+        new this.options.insertion(receiver, response);
+      else
+        receiver.update(response);
+    }
+
+    if (this.success()) {
+      if (this.onComplete)
+        setTimeout(this.onComplete.bind(this), 10);
+    }
+  }
+});
+
+Ajax.PeriodicalUpdater = Class.create();
+Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
+  initialize: function(container, url, options) {
+    this.setOptions(options);
+    this.onComplete = this.options.onComplete;
+
+    this.frequency = (this.options.frequency || 2);
+    this.decay = (this.options.decay || 1);
+
+    this.updater = {};
+    this.container = container;
+    this.url = url;
+
+    this.start();
+  },
+
+  start: function() {
+    this.options.onComplete = this.updateComplete.bind(this);
+    this.onTimerEvent();
+  },
+
+  stop: function() {
+    this.updater.options.onComplete = undefined;
+    clearTimeout(this.timer);
+    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
+  },
+
+  updateComplete: function(request) {
+    if (this.options.decay) {
+      this.decay = (request.responseText == this.lastText ?
+        this.decay * this.options.decay : 1);
+
+      this.lastText = request.responseText;
+    }
+    this.timer = setTimeout(this.onTimerEvent.bind(this),
+      this.decay * this.frequency * 1000);
+  },
+
+  onTimerEvent: function() {
+    this.updater = new Ajax.Updater(this.container, this.url, this.options);
+  }
+});
+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, $(parentElement) || document,
+      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
+    for (var i = 0, length = query.snapshotLength; i < length; i++)
+      results.push(query.snapshotItem(i));
+    return results;
+  };
+}
+
+document.getElementsByClassName = function(className, parentElement) {
+  if (Prototype.BrowserFeatures.XPath) {
+    var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
+    return document._getElementsByXPath(q, parentElement);
+  } else {
+    var children = ($(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)
+  var Element = new Object();
+
+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(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;
+  },
+
+  remove: function(element) {
+    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) {
+    return $(element).getDimensions().height;
+  },
+
+  getWidth: function(element) {
+    return $(element).getDimensions().width;
+  },
+
+  classNames: function(element) {
+    return new Element.ClassNames(element);
+  },
+
+  hasClassName: function(element, className) {
+    if (!(element = $(element))) return;
+    var elementClassName = element.className;
+    if (elementClassName.length == 0) return false;
+    if (elementClassName == className ||
+        elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
+      return true;
+    return false;
+  },
+
+  addClassName: function(element, className) {
+    if (!(element = $(element))) return;
+    Element.classNames(element).add(className);
+    return element;
+  },
+
+  removeClassName: function(element, className) {
+    if (!(element = $(element))) return;
+    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();
+  },
+
+  // removes whitespace-only text node children
+  cleanWhitespace: function(element) {
+    element = $(element);
+    var node = element.firstChild;
+    while (node) {
+      var nextNode = node.nextSibling;
+      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
+        element.removeChild(node);
+      node = nextNode;
+    }
+    return element;
+  },
+
+  empty: function(element) {
+    return $(element).innerHTML.match(/^\s*$/);
+  },
+
+  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 pos = Position.cumulativeOffset(element);
+    window.scrollTo(pos[0], pos[1]);
+    return element;
+  },
+
+  getStyle: function(element, style) {
+    element = $(element);
+    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[style] : null;
+      } else if (element.currentStyle) {
+        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;
+  },
+
+  setStyle: function(element, style) {
+    element = $(element);
+    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);
+    var display = $(element).getStyle('display');
+    if (display != 'none' && display != null) // Safari bug
+      return {width: element.offsetWidth, height: element.offsetHeight};
+
+    // All *Width and *Height properties give 0 on elements with display none,
+    // so enable the element temporarily
+    var els = element.style;
+    var originalVisibility = els.visibility;
+    var originalPosition = els.position;
+    var originalDisplay = els.display;
+    els.visibility = 'hidden';
+    els.position = 'absolute';
+    els.display = 'block';
+    var originalWidth = element.clientWidth;
+    var originalHeight = element.clientHeight;
+    els.display = originalDisplay;
+    els.position = originalPosition;
+    els.visibility = originalVisibility;
+    return {width: originalWidth, height: originalHeight};
+  },
+
+  makePositioned: function(element) {
+    element = $(element);
+    var pos = Element.getStyle(element, 'position');
+    if (pos == 'static' || !pos) {
+      element._madePositioned = true;
+      element.style.position = 'relative';
+      // Opera returns the offset relative to the positioning context, when an
+      // element is position relative but top and left have not been defined
+      if (window.opera) {
+        element.style.top = 0;
+        element.style.left = 0;
+      }
+    }
+    return element;
+  },
+
+  undoPositioned: function(element) {
+    element = $(element);
+    if (element._madePositioned) {
+      element._madePositioned = undefined;
+      element.style.position =
+        element.style.top =
+        element.style.left =
+        element.style.bottom =
+        element.style.right = '';
+    }
+    return element;
+  },
+
+  makeClipping: function(element) {
+    element = $(element);
+    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;
+    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();
+Toggle.display = Element.toggle;
+
+/*--------------------------------------------------------------------------*/
+
+Abstract.Insertion = function(adjacency) {
+  this.adjacency = adjacency;
+}
+
+Abstract.Insertion.prototype = {
+  initialize: function(element, content) {
+    this.element = $(element);
+    this.content = content.stripScripts();
+
+    if (this.adjacency && this.element.insertAdjacentHTML) {
+      try {
+        this.element.insertAdjacentHTML(this.adjacency, this.content);
+      } catch (e) {
+        var tagName = this.element.tagName.toUpperCase();
+        if (['TBODY', 'TR'].include(tagName)) {
+          this.insertContent(this.contentFromAnonymousTable());
+        } else {
+          throw e;
+        }
+      }
+    } else {
+      this.range = this.element.ownerDocument.createRange();
+      if (this.initializeRange) this.initializeRange();
+      this.insertContent([this.range.createContextualFragment(this.content)]);
+    }
+
+    setTimeout(function() {content.evalScripts()}, 10);
+  },
+
+  contentFromAnonymousTable: function() {
+    var div = document.createElement('div');
+    div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
+    return $A(div.childNodes[0].childNodes[0].childNodes);
+  }
+}
+
+var Insertion = new Object();
+
+Insertion.Before = Class.create();
+Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
+  initializeRange: function() {
+    this.range.setStartBefore(this.element);
+  },
+
+  insertContent: function(fragments) {
+    fragments.each((function(fragment) {
+      this.element.parentNode.insertBefore(fragment, this.element);
+    }).bind(this));
+  }
+});
+
+Insertion.Top = Class.create();
+Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
+  initializeRange: function() {
+    this.range.selectNodeContents(this.element);
+    this.range.collapse(true);
+  },
+
+  insertContent: function(fragments) {
+    fragments.reverse(false).each((function(fragment) {
+      this.element.insertBefore(fragment, this.element.firstChild);
+    }).bind(this));
+  }
+});
+
+Insertion.Bottom = Class.create();
+Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
+  initializeRange: function() {
+    this.range.selectNodeContents(this.element);
+    this.range.collapse(this.element);
+  },
+
+  insertContent: function(fragments) {
+    fragments.each((function(fragment) {
+      this.element.appendChild(fragment);
+    }).bind(this));
+  }
+});
+
+Insertion.After = Class.create();
+Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
+  initializeRange: function() {
+    this.range.setStartAfter(this.element);
+  },
+
+  insertContent: function(fragments) {
+    fragments.each((function(fragment) {
+      this.element.parentNode.insertBefore(fragment,
+        this.element.nextSibling);
+    }).bind(this));
+  }
+});
+
+/*--------------------------------------------------------------------------*/
+
+Element.ClassNames = Class.create();
+Element.ClassNames.prototype = {
+  initialize: function(element) {
+    this.element = $(element);
+  },
+
+  _each: function(iterator) {
+    this.element.className.split(/\s+/).select(function(name) {
+      return name.length > 0;
+    })._each(iterator);
+  },
+
+  set: function(className) {
+    this.element.className = className;
+  },
+
+  add: function(classNameToAdd) {
+    if (this.include(classNameToAdd)) return;
+    this.set($A(this).concat(classNameToAdd).join(' '));
+  },
+
+  remove: function(classNameToRemove) {
+    if (!this.include(classNameToRemove)) return;
+    this.set($A(this).without(classNameToRemove).join(' '));
+  },
+
+  toString: function() {
+    return $A(this).join(' ');
+  }
+};
+
+Object.extend(Element.ClassNames.prototype, Enumerable);
+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();
+    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 != '';
+  },
+
+  activate: function(element) {
+    element = $(element);
+    element.focus();
+    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;
+
+/*--------------------------------------------------------------------------*/
+
+Form.Element.Serializers = {
+  input: function(element) {
+    switch (element.type.toLowerCase()) {
+      case 'checkbox':
+      case 'radio':
+        return Form.Element.Serializers.inputSelector(element);
+      default:
+        return Form.Element.Serializers.textarea(element);
+    }
+  },
+
+  inputSelector: function(element) {
+    return element.checked ? element.value : null;
+  },
+
+  textarea: function(element) {
+    return element.value;
+  },
+
+  select: function(element) {
+    return this[element.type == 'select-one' ?
+      'selectOne' : 'selectMany'](element);
+  },
+
+  selectOne: function(element) {
+    var index = element.selectedIndex;
+    return index >= 0 ? this.optionValue(element.options[index]) : null;
+  },
+
+  selectMany: function(element) {
+    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) 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;
+  }
+}
+
+/*--------------------------------------------------------------------------*/
+
+Abstract.TimedObserver = function() {}
+Abstract.TimedObserver.prototype = {
+  initialize: function(element, frequency, callback) {
+    this.frequency = frequency;
+    this.element   = $(element);
+    this.callback  = callback;
+
+    this.lastValue = this.getValue();
+    this.registerCallback();
+  },
+
+  registerCallback: function() {
+    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
+  },
+
+  onTimerEvent: function() {
+    var value = this.getValue();
+    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;
+    }
+  }
+}
+
+Form.Element.Observer = Class.create();
+Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
+  getValue: function() {
+    return Form.Element.getValue(this.element);
+  }
+});
+
+Form.Observer = Class.create();
+Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
+  getValue: function() {
+    return Form.serialize(this.element);
+  }
+});
+
+/*--------------------------------------------------------------------------*/
+
+Abstract.EventObserver = function() {}
+Abstract.EventObserver.prototype = {
+  initialize: function(element, callback) {
+    this.element  = $(element);
+    this.callback = callback;
+
+    this.lastValue = this.getValue();
+    if (this.element.tagName.toLowerCase() == 'form')
+      this.registerFormCallbacks();
+    else
+      this.registerCallback(this.element);
+  },
+
+  onElementEvent: function() {
+    var value = this.getValue();
+    if (this.lastValue != value) {
+      this.callback(this.element, value);
+      this.lastValue = value;
+    }
+  },
+
+  registerFormCallbacks: function() {
+    Form.getElements(this.element).each(this.registerCallback.bind(this));
+  },
+
+  registerCallback: function(element) {
+    if (element.type) {
+      switch (element.type.toLowerCase()) {
+        case 'checkbox':
+        case 'radio':
+          Event.observe(element, 'click', this.onElementEvent.bind(this));
+          break;
+        default:
+          Event.observe(element, 'change', this.onElementEvent.bind(this));
+          break;
+      }
+    }
+  }
+}
+
+Form.Element.EventObserver = Class.create();
+Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
+  getValue: function() {
+    return Form.Element.getValue(this.element);
+  }
+});
+
+Form.EventObserver = Class.create();
+Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
+  getValue: function() {
+    return Form.serialize(this.element);
+  }
+});
+if (!window.Event) {
+  var Event = new Object();
+}
+
+Object.extend(Event, {
+  KEY_BACKSPACE: 8,
+  KEY_TAB:       9,
+  KEY_RETURN:   13,
+  KEY_ESC:      27,
+  KEY_LEFT:     37,
+  KEY_UP:       38,
+  KEY_RIGHT:    39,
+  KEY_DOWN:     40,
+  KEY_DELETE:   46,
+  KEY_HOME:     36,
+  KEY_END:      35,
+  KEY_PAGEUP:   33,
+  KEY_PAGEDOWN: 34,
+
+  element: function(event) {
+    return event.target || event.srcElement;
+  },
+
+  isLeftClick: function(event) {
+    return (((event.which) && (event.which == 1)) ||
+            ((event.button) && (event.button == 1)));
+  },
+
+  pointerX: function(event) {
+    return event.pageX || (event.clientX +
+      (document.documentElement.scrollLeft || document.body.scrollLeft));
+  },
+
+  pointerY: function(event) {
+    return event.pageY || (event.clientY +
+      (document.documentElement.scrollTop || document.body.scrollTop));
+  },
+
+  stop: function(event) {
+    if (event.preventDefault) {
+      event.preventDefault();
+      event.stopPropagation();
+    } else {
+      event.returnValue = false;
+      event.cancelBubble = true;
+    }
+  },
+
+  // find the first node with the given tagName, starting from the
+  // node the event was triggered on; traverses the DOM upwards
+  findElement: function(event, tagName) {
+    var element = Event.element(event);
+    while (element.parentNode && (!element.tagName ||
+        (element.tagName.toUpperCase() != tagName.toUpperCase())))
+      element = element.parentNode;
+    return element;
+  },
+
+  observers: false,
+
+  _observeAndCache: function(element, name, observer, useCapture) {
+    if (!this.observers) this.observers = [];
+    if (element.addEventListener) {
+      this.observers.push([element, name, observer, useCapture]);
+      element.addEventListener(name, observer, useCapture);
+    } else if (element.attachEvent) {
+      this.observers.push([element, name, observer, useCapture]);
+      element.attachEvent('on' + name, observer);
+    }
+  },
+
+  unloadCache: function() {
+    if (!Event.observers) return;
+    for (var i = 0, length = Event.observers.length; i < length; i++) {
+      Event.stopObserving.apply(this, Event.observers[i]);
+      Event.observers[i][0] = null;
+    }
+    Event.observers = false;
+  },
+
+  observe: function(element, name, observer, useCapture) {
+    element = $(element);
+    useCapture = useCapture || false;
+
+    if (name == 'keypress' &&
+        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
+        || element.attachEvent))
+      name = 'keydown';
+
+    Event._observeAndCache(element, name, observer, useCapture);
+  },
+
+  stopObserving: function(element, name, observer, useCapture) {
+    element = $(element);
+    useCapture = useCapture || false;
+
+    if (name == 'keypress' &&
+        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
+        || element.detachEvent))
+      name = 'keydown';
+
+    if (element.removeEventListener) {
+      element.removeEventListener(name, observer, useCapture);
+    } else if (element.detachEvent) {
+      try {
+        element.detachEvent('on' + name, observer);
+      } catch (e) {}
+    }
+  }
+});
+
+/* prevent memory leaks in IE */
+if (navigator.appVersion.match(/\bMSIE\b/))
+  Event.observe(window, 'unload', Event.unloadCache, false);
+var Position = {
+  // set to true if needed, warning: firefox performance problems
+  // NOT neeeded for page scrolling, only if draggable contained in
+  // scrollable elements
+  includeScrollOffsets: false,
+
+  // must be called before calling withinIncludingScrolloffset, every time the
+  // page is scrolled
+  prepare: function() {
+    this.deltaX =  window.pageXOffset
+                || document.documentElement.scrollLeft
+                || document.body.scrollLeft
+                || 0;
+    this.deltaY =  window.pageYOffset
+                || document.documentElement.scrollTop
+                || document.body.scrollTop
+                || 0;
+  },
+
+  realOffset: function(element) {
+    var valueT = 0, valueL = 0;
+    do {
+      valueT += element.scrollTop  || 0;
+      valueL += element.scrollLeft || 0;
+      element = element.parentNode;
+    } while (element);
+    return [valueL, valueT];
+  },
+
+  cumulativeOffset: function(element) {
+    var valueT = 0, valueL = 0;
+    do {
+      valueT += element.offsetTop  || 0;
+      valueL += element.offsetLeft || 0;
+      element = element.offsetParent;
+    } while (element);
+    return [valueL, valueT];
+  },
+
+  positionedOffset: function(element) {
+    var valueT = 0, valueL = 0;
+    do {
+      valueT += element.offsetTop  || 0;
+      valueL += element.offsetLeft || 0;
+      element = element.offsetParent;
+      if (element) {
+        if(element.tagName=='BODY') break;
+        var p = Element.getStyle(element, 'position');
+        if (p == 'relative' || p == 'absolute') break;
+      }
+    } while (element);
+    return [valueL, valueT];
+  },
+
+  offsetParent: function(element) {
+    if (element.offsetParent) return element.offsetParent;
+    if (element == document.body) return element;
+
+    while ((element = element.parentNode) && element != document.body)
+      if (Element.getStyle(element, 'position') != 'static')
+        return element;
+
+    return document.body;
+  },
+
+  // caches x/y coordinate pair to use with overlap
+  within: function(element, x, y) {
+    if (this.includeScrollOffsets)
+      return this.withinIncludingScrolloffsets(element, x, y);
+    this.xcomp = x;
+    this.ycomp = y;
+    this.offset = this.cumulativeOffset(element);
+
+    return (y >= this.offset[1] &&
+            y <  this.offset[1] + element.offsetHeight &&
+            x >= this.offset[0] &&
+            x <  this.offset[0] + element.offsetWidth);
+  },
+
+  withinIncludingScrolloffsets: function(element, x, y) {
+    var offsetcache = this.realOffset(element);
+
+    this.xcomp = x + offsetcache[0] - this.deltaX;
+    this.ycomp = y + offsetcache[1] - this.deltaY;
+    this.offset = this.cumulativeOffset(element);
+
+    return (this.ycomp >= this.offset[1] &&
+            this.ycomp <  this.offset[1] + element.offsetHeight &&
+            this.xcomp >= this.offset[0] &&
+            this.xcomp <  this.offset[0] + element.offsetWidth);
+  },
+
+  // within must be called directly before
+  overlap: function(mode, element) {
+    if (!mode) return 0;
+    if (mode == 'vertical')
+      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
+        element.offsetHeight;
+    if (mode == 'horizontal')
+      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
+        element.offsetWidth;
+  },
+
+  page: function(forElement) {
+    var valueT = 0, valueL = 0;
+
+    var element = forElement;
+    do {
+      valueT += element.offsetTop  || 0;
+      valueL += element.offsetLeft || 0;
+
+      // Safari fix
+      if (element.offsetParent==document.body)
+        if (Element.getStyle(element,'position')=='absolute') break;
+
+    } while (element = element.offsetParent);
+
+    element = forElement;
+    do {
+      if (!window.opera || element.tagName=='BODY') {
+        valueT -= element.scrollTop  || 0;
+        valueL -= element.scrollLeft || 0;
+      }
+    } while (element = element.parentNode);
+
+    return [valueL, valueT];
+  },
+
+  clone: function(source, target) {
+    var options = Object.extend({
+      setLeft:    true,
+      setTop:     true,
+      setWidth:   true,
+      setHeight:  true,
+      offsetTop:  0,
+      offsetLeft: 0
+    }, arguments[2] || {})
+
+    // find page position of source
+    source = $(source);
+    var p = Position.page(source);
+
+    // find coordinate system to use
+    target = $(target);
+    var delta = [0, 0];
+    var parent = null;
+    // delta [0,0] will do fine with position: fixed elements,
+    // position:absolute needs offsetParent deltas
+    if (Element.getStyle(target,'position') == 'absolute') {
+      parent = Position.offsetParent(target);
+      delta = Position.page(parent);
+    }
+
+    // correct by body offsets (fixes Safari)
+    if (parent == document.body) {
+      delta[0] -= document.body.offsetLeft;
+      delta[1] -= document.body.offsetTop;
+    }
+
+    // set position
+    if(options.setLeft)   target.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
+    if(options.setTop)    target.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
+    if(options.setWidth)  target.style.width = source.offsetWidth + 'px';
+    if(options.setHeight) target.style.height = source.offsetHeight + 'px';
+  },
+
+  absolutize: function(element) {
+    element = $(element);
+    if (element.style.position == 'absolute') return;
+    Position.prepare();
+
+    var offsets = Position.positionedOffset(element);
+    var top     = offsets[1];
+    var left    = offsets[0];
+    var width   = element.clientWidth;
+    var height  = element.clientHeight;
+
+    element._originalLeft   = left - parseFloat(element.style.left  || 0);
+    element._originalTop    = top  - parseFloat(element.style.top || 0);
+    element._originalWidth  = element.style.width;
+    element._originalHeight = element.style.height;
+
+    element.style.position = 'absolute';
+    element.style.top    = top + 'px';
+    element.style.left   = left + 'px';
+    element.style.width  = width + 'px';
+    element.style.height = height + 'px';
+  },
+
+  relativize: function(element) {
+    element = $(element);
+    if (element.style.position == 'relative') return;
+    Position.prepare();
+
+    element.style.position = 'relative';
+    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
+    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
+
+    element.style.top    = top + 'px';
+    element.style.left   = left + 'px';
+    element.style.height = element._originalHeight;
+    element.style.width  = element._originalWidth;
+  }
+}
+
+// Safari returns margins on body which is incorrect if the child is absolutely
+// positioned.  For performance reasons, redefine Position.cumulativeOffset for
+// KHTML/WebKit only.
+if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
+  Position.cumulativeOffset = function(element) {
+    var valueT = 0, valueL = 0;
+    do {
+      valueT += element.offsetTop  || 0;
+      valueL += element.offsetLeft || 0;
+      if (element.offsetParent == document.body)
+        if (Element.getStyle(element, 'position') == 'absolute') break;
+
+      element = element.offsetParent;
+    } while (element);
+
+    return [valueL, valueT];
+  }
+}
+
+Element.addMethods();
\ No newline at end of file
diff --git a/typo3/contrib/scriptaculous/builder.js b/typo3/contrib/scriptaculous/builder.js
new file mode 100644 (file)
index 0000000..199afc1
--- /dev/null
@@ -0,0 +1,131 @@
+// script.aculo.us builder.js v1.7.0, Fri Jan 19 19:16:36 CET 2007
+
+// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+//
+// script.aculo.us is freely distributable under the terms of an MIT-style license.
+// For details, see the script.aculo.us web site: http://script.aculo.us/
+
+var Builder = {
+  NODEMAP: {
+    AREA: 'map',
+    CAPTION: 'table',
+    COL: 'table',
+    COLGROUP: 'table',
+    LEGEND: 'fieldset',
+    OPTGROUP: 'select',
+    OPTION: 'select',
+    PARAM: 'object',
+    TBODY: 'table',
+    TD: 'table',
+    TFOOT: 'table',
+    TH: 'table',
+    THEAD: 'table',
+    TR: 'table'
+  },
+  // note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
+  //       due to a Firefox bug
+  node: function(elementName) {
+    elementName = elementName.toUpperCase();
+    
+    // try innerHTML approach
+    var parentTag = this.NODEMAP[elementName] || 'div';
+    var parentElement = document.createElement(parentTag);
+    try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
+      parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
+    } catch(e) {}
+    var element = parentElement.firstChild || null;
+      
+    // see if browser added wrapping tags
+    if(element && (element.tagName.toUpperCase() != elementName))
+      element = element.getElementsByTagName(elementName)[0];
+    
+    // fallback to createElement approach
+    if(!element) element = document.createElement(elementName);
+    
+    // abort if nothing could be created
+    if(!element) return;
+
+    // attributes (or text)
+    if(arguments[1])
+      if(this._isStringOrNumber(arguments[1]) ||
+        (arguments[1] instanceof Array)) {
+          this._children(element, arguments[1]);
+        } else {
+          var attrs = this._attributes(arguments[1]);
+          if(attrs.length) {
+            try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
+              parentElement.innerHTML = "<" +elementName + " " +
+                attrs + "></" + elementName + ">";
+            } catch(e) {}
+            element = parentElement.firstChild || null;
+            // workaround firefox 1.0.X bug
+            if(!element) {
+              element = document.createElement(elementName);
+              for(attr in arguments[1]) 
+                element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
+            }
+            if(element.tagName.toUpperCase() != elementName)
+              element = parentElement.getElementsByTagName(elementName)[0];
+            }
+        } 
+
+    // text, or array of children
+    if(arguments[2])
+      this._children(element, arguments[2]);
+
+     return element;
+  },
+  _text: function(text) {
+     return document.createTextNode(text);
+  },
+
+  ATTR_MAP: {
+    'className': 'class',
+    'htmlFor': 'for'
+  },
+
+  _attributes: function(attributes) {
+    var attrs = [];
+    for(attribute in attributes)
+      attrs.push((attribute in this.ATTR_MAP ? this.ATTR_MAP[attribute] : attribute) +
+          '="' + attributes[attribute].toString().escapeHTML() + '"');
+    return attrs.join(" ");
+  },
+  _children: function(element, children) {
+    if(typeof children=='object') { // array can hold nodes and text
+      children.flatten().each( function(e) {
+        if(typeof e=='object')
+          element.appendChild(e)
+        else
+          if(Builder._isStringOrNumber(e))
+            element.appendChild(Builder._text(e));
+      });
+    } else
+      if(Builder._isStringOrNumber(children)) 
+         element.appendChild(Builder._text(children));
+  },
+  _isStringOrNumber: function(param) {
+    return(typeof param=='string' || typeof param=='number');
+  },
+  build: function(html) {
+    var element = this.node('div');
+    $(element).update(html.strip());
+    return element.down();
+  },
+  dump: function(scope) { 
+    if(typeof scope != 'object' && typeof scope != 'function') scope = window; //global scope 
+  
+    var tags = ("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY " +
+      "BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET " +
+      "FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+
+      "KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+
+      "PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+
+      "TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);
+  
+    tags.each( function(tag){ 
+      scope[tag] = function() { 
+        return Builder.node.apply(Builder, [tag].concat($A(arguments)));  
+      } 
+    });
+  }
+}
diff --git a/typo3/contrib/scriptaculous/controls.js b/typo3/contrib/scriptaculous/controls.js
new file mode 100644 (file)
index 0000000..46f2cc1
--- /dev/null
@@ -0,0 +1,835 @@
+// script.aculo.us controls.js v1.7.0, Fri Jan 19 19:16:36 CET 2007
+
+// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+//           (c) 2005, 2006 Ivan Krstic (http://blogs.law.harvard.edu/ivan)
+//           (c) 2005, 2006 Jon Tirsen (http://www.tirsen.com)
+// Contributors:
+//  Richard Livsey
+//  Rahul Bhargava
+//  Rob Wills
+// 
+// script.aculo.us is freely distributable under the terms of an MIT-style license.
+// For details, see the script.aculo.us web site: http://script.aculo.us/
+
+// Autocompleter.Base handles all the autocompletion functionality 
+// that's independent of the data source for autocompletion. This
+// includes drawing the autocompletion menu, observing keyboard
+// and mouse events, and similar.
+//
+// Specific autocompleters need to provide, at the very least, 
+// a getUpdatedChoices function that will be invoked every time
+// the text inside the monitored textbox changes. This method 
+// should get the text for which to provide autocompletion by
+// invoking this.getToken(), NOT by directly accessing
+// this.element.value. This is to allow incremental tokenized
+// autocompletion. Specific auto-completion logic (AJAX, etc)
+// belongs in getUpdatedChoices.
+//
+// Tokenized incremental autocompletion is enabled automatically
+// when an autocompleter is instantiated with the 'tokens' option
+// in the options parameter, e.g.:
+// new Ajax.Autocompleter('id','upd', '/url/', { tokens: ',' });
+// will incrementally autocomplete with a comma as the token.
+// Additionally, ',' in the above example can be replaced with
+// a token array, e.g. { tokens: [',', '\n'] } which
+// enables autocompletion on multiple tokens. This is most 
+// useful when one of the tokens is \n (a newline), as it 
+// allows smart autocompletion after linebreaks.
+
+if(typeof Effect == 'undefined')
+  throw("controls.js requires including script.aculo.us' effects.js library");
+
+var Autocompleter = {}
+Autocompleter.Base = function() {};
+Autocompleter.Base.prototype = {
+  baseInitialize: function(element, update, options) {
+    this.element     = $(element); 
+    this.update      = $(update);  
+    this.hasFocus    = false; 
+    this.changed     = false; 
+    this.active      = false; 
+    this.index       = 0;     
+    this.entryCount  = 0;
+
+    if(this.setOptions)
+      this.setOptions(options);
+    else
+      this.options = options || {};
+
+    this.options.paramName    = this.options.paramName || this.element.name;
+    this.options.tokens       = this.options.tokens || [];
+    this.options.frequency    = this.options.frequency || 0.4;
+    this.options.minChars     = this.options.minChars || 1;
+    this.options.onShow       = this.options.onShow || 
+      function(element, update){ 
+        if(!update.style.position || update.style.position=='absolute') {
+          update.style.position = 'absolute';
+          Position.clone(element, update, {
+            setHeight: false, 
+            offsetTop: element.offsetHeight
+          });
+        }
+        Effect.Appear(update,{duration:0.15});
+      };
+    this.options.onHide = this.options.onHide || 
+      function(element, update){ new Effect.Fade(update,{duration:0.15}) };
+
+    if(typeof(this.options.tokens) == 'string') 
+      this.options.tokens = new Array(this.options.tokens);
+
+    this.observer = null;
+    
+    this.element.setAttribute('autocomplete','off');
+
+    Element.hide(this.update);
+
+    Event.observe(this.element, "blur", this.onBlur.bindAsEventListener(this));
+    Event.observe(this.element, "keypress", this.onKeyPress.bindAsEventListener(this));
+  },
+
+  show: function() {
+    if(Element.getStyle(this.update, 'display')=='none') this.options.onShow(this.element, this.update);
+    if(!this.iefix && 
+      (navigator.appVersion.indexOf('MSIE')>0) &&
+      (navigator.userAgent.indexOf('Opera')<0) &&
+      (Element.getStyle(this.update, 'position')=='absolute')) {
+      new Insertion.After(this.update, 
+       '<iframe id="' + this.update.id + '_iefix" '+
+       'style="display:none;position:absolute;filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);" ' +
+       'src="javascript:false;" frameborder="0" scrolling="no"></iframe>');
+      this.iefix = $(this.update.id+'_iefix');
+    }
+    if(this.iefix) setTimeout(this.fixIEOverlapping.bind(this), 50);
+  },
+  
+  fixIEOverlapping: function() {
+    Position.clone(this.update, this.iefix, {setTop:(!this.update.style.height)});
+    this.iefix.style.zIndex = 1;
+    this.update.style.zIndex = 2;
+    Element.show(this.iefix);
+  },
+
+  hide: function() {
+    this.stopIndicator();
+    if(Element.getStyle(this.update, 'display')!='none') this.options.onHide(this.element, this.update);
+    if(this.iefix) Element.hide(this.iefix);
+  },
+
+  startIndicator: function() {
+    if(this.options.indicator) Element.show(this.options.indicator);
+  },
+
+  stopIndicator: function() {
+    if(this.options.indicator) Element.hide(this.options.indicator);
+  },
+
+  onKeyPress: function(event) {
+    if(this.active)
+      switch(event.keyCode) {
+       case Event.KEY_TAB:
+       case Event.KEY_RETURN:
+         this.selectEntry();
+         Event.stop(event);
+       case Event.KEY_ESC:
+         this.hide();
+         this.active = false;
+         Event.stop(event);
+         return;
+       case Event.KEY_LEFT:
+       case Event.KEY_RIGHT:
+         return;
+       case Event.KEY_UP:
+         this.markPrevious();
+         this.render();
+         if(navigator.appVersion.indexOf('AppleWebKit')>0) Event.stop(event);
+         return;
+       case Event.KEY_DOWN:
+         this.markNext();
+         this.render();
+         if(navigator.appVersion.indexOf('AppleWebKit')>0) Event.stop(event);
+         return;
+      }
+     else 
+       if(event.keyCode==Event.KEY_TAB || event.keyCode==Event.KEY_RETURN || 
+         (navigator.appVersion.indexOf('AppleWebKit') > 0 && event.keyCode == 0)) return;
+
+    this.changed = true;
+    this.hasFocus = true;
+
+    if(this.observer) clearTimeout(this.observer);
+      this.observer = 
+        setTimeout(this.onObserverEvent.bind(this), this.options.frequency*1000);
+  },
+
+  activate: function() {
+    this.changed = false;
+    this.hasFocus = true;
+    this.getUpdatedChoices();
+  },
+
+  onHover: function(event) {
+    var element = Event.findElement(event, 'LI');
+    if(this.index != element.autocompleteIndex) 
+    {
+        this.index = element.autocompleteIndex;
+        this.render();
+    }
+    Event.stop(event);
+  },
+  
+  onClick: function(event) {
+    var element = Event.findElement(event, 'LI');
+    this.index = element.autocompleteIndex;
+    this.selectEntry();
+    this.hide();
+  },
+  
+  onBlur: function(event) {
+    // needed to make click events working
+    setTimeout(this.hide.bind(this), 250);
+    this.hasFocus = false;
+    this.active = false;     
+  }, 
+  
+  render: function() {
+    if(this.entryCount > 0) {
+      for (var i = 0; i < this.entryCount; i++)
+        this.index==i ? 
+          Element.addClassName(this.getEntry(i),"selected") : 
+          Element.removeClassName(this.getEntry(i),"selected");
+        
+      if(this.hasFocus) { 
+        this.show();
+        this.active = true;
+      }
+    } else {
+      this.active = false;
+      this.hide();
+    }
+  },
+  
+  markPrevious: function() {
+    if(this.index > 0) this.index--
+      else this.index = this.entryCount-1;
+    this.getEntry(this.index).scrollIntoView(true);
+  },
+  
+  markNext: function() {
+    if(this.index < this.entryCount-1) this.index++
+      else this.index = 0;
+    this.getEntry(this.index).scrollIntoView(false);
+  },
+  
+  getEntry: function(index) {
+    return this.update.firstChild.childNodes[index];
+  },
+  
+  getCurrentEntry: function() {
+    return this.getEntry(this.index);
+  },
+  
+  selectEntry: function() {
+    this.active = false;
+    this.updateElement(this.getCurrentEntry());
+  },
+
+  updateElement: function(selectedElement) {
+    if (this.options.updateElement) {
+      this.options.updateElement(selectedElement);
+      return;
+    }
+    var value = '';
+    if (this.options.select) {
+      var nodes = document.getElementsByClassName(this.options.select, selectedElement) || [];
+      if(nodes.length>0) value = Element.collectTextNodes(nodes[0], this.options.select);
+    } else
+      value = Element.collectTextNodesIgnoreClass(selectedElement, 'informal');
+    
+    var lastTokenPos = this.findLastToken();
+    if (lastTokenPos != -1) {
+      var newValue = this.element.value.substr(0, lastTokenPos + 1);
+      var whitespace = this.element.value.substr(lastTokenPos + 1).match(/^\s+/);
+      if (whitespace)
+        newValue += whitespace[0];
+      this.element.value = newValue + value;
+    } else {
+      this.element.value = value;
+    }
+    this.element.focus();
+    
+    if (this.options.afterUpdateElement)
+      this.options.afterUpdateElement(this.element, selectedElement);
+  },
+
+  updateChoices: function(choices) {
+    if(!this.changed && this.hasFocus) {
+      this.update.innerHTML = choices;
+      Element.cleanWhitespace(this.update);
+      Element.cleanWhitespace(this.update.down());
+
+      if(this.update.firstChild && this.update.down().childNodes) {
+        this.entryCount = 
+          this.update.down().childNodes.length;
+        for (var i = 0; i < this.entryCount; i++) {
+          var entry = this.getEntry(i);
+          entry.autocompleteIndex = i;
+          this.addObservers(entry);
+        }
+      } else { 
+        this.entryCount = 0;
+      }
+
+      this.stopIndicator();
+      this.index = 0;
+      
+      if(this.entryCount==1 && this.options.autoSelect) {
+        this.selectEntry();
+        this.hide();
+      } else {
+        this.render();
+      }
+    }
+  },
+
+  addObservers: function(element) {
+    Event.observe(element, "mouseover", this.onHover.bindAsEventListener(this));
+    Event.observe(element, "click", this.onClick.bindAsEventListener(this));
+  },
+
+  onObserverEvent: function() {
+    this.changed = false;   
+    if(this.getToken().length>=this.options.minChars) {
+      this.startIndicator();
+      this.getUpdatedChoices();
+    } else {
+      this.active = false;
+      this.hide();
+    }
+  },
+
+  getToken: function() {
+    var tokenPos = this.findLastToken();
+    if (tokenPos != -1)
+      var ret = this.element.value.substr(tokenPos + 1).replace(/^\s+/,'').replace(/\s+$/,'');
+    else
+      var ret = this.element.value;
+
+    return /\n/.test(ret) ? '' : ret;
+  },
+
+  findLastToken: function() {
+    var lastTokenPos = -1;
+
+    for (var i=0; i<this.options.tokens.length; i++) {
+      var thisTokenPos = this.element.value.lastIndexOf(this.options.tokens[i]);
+      if (thisTokenPos > lastTokenPos)
+        lastTokenPos = thisTokenPos;
+    }
+    return lastTokenPos;
+  }
+}
+
+Ajax.Autocompleter = Class.create();
+Object.extend(Object.extend(Ajax.Autocompleter.prototype, Autocompleter.Base.prototype), {
+  initialize: function(element, update, url, options) {
+    this.baseInitialize(element, update, options);
+    this.options.asynchronous  = true;
+    this.options.onComplete    = this.onComplete.bind(this);
+    this.options.defaultParams = this.options.parameters || null;
+    this.url                   = url;
+  },
+
+  getUpdatedChoices: function() {
+    entry = encodeURIComponent(this.options.paramName) + '=' + 
+      encodeURIComponent(this.getToken());
+
+    this.options.parameters = this.options.callback ?
+      this.options.callback(this.element, entry) : entry;
+
+    if(this.options.defaultParams) 
+      this.options.parameters += '&' + this.options.defaultParams;
+
+    new Ajax.Request(this.url, this.options);
+  },
+
+  onComplete: function(request) {
+    this.updateChoices(request.responseText);
+  }
+
+});
+
+// The local array autocompleter. Used when you'd prefer to
+// inject an array of autocompletion options into the page, rather
+// than sending out Ajax queries, which can be quite slow sometimes.
+//
+// The constructor takes four parameters. The first two are, as usual,
+// the id of the monitored textbox, and id of the autocompletion menu.
+// The third is the array you want to autocomplete from, and the fourth
+// is the options block.
+//
+// Extra local autocompletion options:
+// - choices - How many autocompletion choices to offer
+//
+// - partialSearch - If false, the autocompleter will match entered
+//                    text only at the beginning of strings in the 
+//                    autocomplete array. Defaults to true, which will
+//                    match text at the beginning of any *word* in the
+//                    strings in the autocomplete array. If you want to
+//                    search anywhere in the string, additionally set
+//                    the option fullSearch to true (default: off).
+//
+// - fullSsearch - Search anywhere in autocomplete array strings.
+//
+// - partialChars - How many characters to enter before triggering
+//                   a partial match (unlike minChars, which defines
+//                   how many characters are required to do any match
+//                   at all). Defaults to 2.
+//
+// - ignoreCase - Whether to ignore case when autocompleting.
+//                 Defaults to true.
+//
+// It's possible to pass in a custom function as the 'selector' 
+// option, if you prefer to write your own autocompletion logic.
+// In that case, the other options above will not apply unless
+// you support them.
+
+Autocompleter.Local = Class.create();
+Autocompleter.Local.prototype = Object.extend(new Autocompleter.Base(), {
+  initialize: function(element, update, array, options) {
+    this.baseInitialize(element, update, options);
+    this.options.array = array;
+  },
+
+  getUpdatedChoices: function() {
+    this.updateChoices(this.options.selector(this));
+  },
+
+  setOptions: function(options) {
+    this.options = Object.extend({
+      choices: 10,
+      partialSearch: true,
+      partialChars: 2,
+      ignoreCase: true,
+      fullSearch: false,
+      selector: function(instance) {
+        var ret       = []; // Beginning matches
+        var partial   = []; // Inside matches
+        var entry     = instance.getToken();
+        var count     = 0;
+
+        for (var i = 0; i < instance.options.array.length &&  
+          ret.length < instance.options.choices ; i++) { 
+
+          var elem = instance.options.array[i];
+          var foundPos = instance.options.ignoreCase ? 
+            elem.toLowerCase().indexOf(entry.toLowerCase()) : 
+            elem.indexOf(entry);
+
+          while (foundPos != -1) {
+            if (foundPos == 0 && elem.length != entry.length) { 
+              ret.push("<li><strong>" + elem.substr(0, entry.length) + "</strong>" + 
+                elem.substr(entry.length) + "</li>");
+              break;
+            } else if (entry.length >= instance.options.partialChars && 
+              instance.options.partialSearch && foundPos != -1) {
+              if (instance.options.fullSearch || /\s/.test(elem.substr(foundPos-1,1))) {
+                partial.push("<li>" + elem.substr(0, foundPos) + "<strong>" +
+                  elem.substr(foundPos, entry.length) + "</strong>" + elem.substr(
+                  foundPos + entry.length) + "</li>");
+                break;
+              }
+            }
+
+            foundPos = instance.options.ignoreCase ? 
+              elem.toLowerCase().indexOf(entry.toLowerCase(), foundPos + 1) : 
+              elem.indexOf(entry, foundPos + 1);
+
+          }
+        }
+        if (partial.length)
+          ret = ret.concat(partial.slice(0, instance.options.choices - ret.length))
+        return "<ul>" + ret.join('') + "</ul>";
+      }
+    }, options || {});
+  }
+});
+
+// AJAX in-place editor
+//
+// see documentation on http://wiki.script.aculo.us/scriptaculous/show/Ajax.InPlaceEditor
+
+// Use this if you notice weird scrolling problems on some browsers,
+// the DOM might be a bit confused when this gets called so do this
+// waits 1 ms (with setTimeout) until it does the activation
+Field.scrollFreeActivate = function(field) {
+  setTimeout(function() {
+    Field.activate(field);
+  }, 1);
+}
+
+Ajax.InPlaceEditor = Class.create();
+Ajax.InPlaceEditor.defaultHighlightColor = "#FFFF99";
+Ajax.InPlaceEditor.prototype = {
+  initialize: function(element, url, options) {
+    this.url = url;
+    this.element = $(element);
+
+    this.options = Object.extend({
+      paramName: "value",
+      okButton: true,
+      okText: "ok",
+      cancelLink: true,
+      cancelText: "cancel",
+      savingText: "Saving...",
+      clickToEditText: "Click to edit",
+      okText: "ok",
+      rows: 1,
+      onComplete: function(transport, element) {
+        new Effect.Highlight(element, {startcolor: this.options.highlightcolor});
+      },
+      onFailure: function(transport) {
+        alert("Error communicating with the server: " + transport.responseText.stripTags());
+      },
+      callback: function(form) {
+        return Form.serialize(form);
+      },
+      handleLineBreaks: true,
+      loadingText: 'Loading...',
+      savingClassName: 'inplaceeditor-saving',
+      loadingClassName: 'inplaceeditor-loading',
+      formClassName: 'inplaceeditor-form',
+      highlightcolor: Ajax.InPlaceEditor.defaultHighlightColor,
+      highlightendcolor: "#FFFFFF",
+      externalControl: null,
+      submitOnBlur: false,
+      ajaxOptions: {},
+      evalScripts: false
+    }, options || {});
+
+    if(!this.options.formId && this.element.id) {
+      this.options.formId = this.element.id + "-inplaceeditor";
+      if ($(this.options.formId)) {
+        // there's already a form with that name, don't specify an id
+        this.options.formId = null;
+      }
+    }
+    
+    if (this.options.externalControl) {
+      this.options.externalControl = $(this.options.externalControl);
+    }
+    
+    this.originalBackground = Element.getStyle(this.element, 'background-color');
+    if (!this.originalBackground) {
+      this.originalBackground = "transparent";
+    }
+    
+    this.element.title = this.options.clickToEditText;
+    
+    this.onclickListener = this.enterEditMode.bindAsEventListener(this);
+    this.mouseoverListener = this.enterHover.bindAsEventListener(this);
+    this.mouseoutListener = this.leaveHover.bindAsEventListener(this);
+    Event.observe(this.element, 'click', this.onclickListener);
+    Event.observe(this.element, 'mouseover', this.mouseoverListener);
+    Event.observe(this.element, 'mouseout', this.mouseoutListener);
+    if (this.options.externalControl) {
+      Event.observe(this.options.externalControl, 'click', this.onclickListener);
+      Event.observe(this.options.externalControl, 'mouseover', this.mouseoverListener);
+      Event.observe(this.options.externalControl, 'mouseout', this.mouseoutListener);
+    }
+  },
+  enterEditMode: function(evt) {
+    if (this.saving) return;
+    if (this.editing) return;
+    this.editing = true;
+    this.onEnterEditMode();
+    if (this.options.externalControl) {
+      Element.hide(this.options.externalControl);
+    }
+    Element.hide(this.element);
+    this.createForm();
+    this.element.parentNode.insertBefore(this.form, this.element);
+    if (!this.options.loadTextURL) Field.scrollFreeActivate(this.editField);
+    // stop the event to avoid a page refresh in Safari
+    if (evt) {
+      Event.stop(evt);
+    }
+    return false;
+  },
+  createForm: function() {
+    this.form = document.createElement("form");
+    this.form.id = this.options.formId;
+    Element.addClassName(this.form, this.options.formClassName)
+    this.form.onsubmit = this.onSubmit.bind(this);
+
+    this.createEditField();
+
+    if (this.options.textarea) {
+      var br = document.createElement("br");
+      this.form.appendChild(br);
+    }
+
+    if (this.options.okButton) {
+      okButton = document.createElement("input");
+      okButton.type = "submit";
+      okButton.value = this.options.okText;
+      okButton.className = 'editor_ok_button';
+      this.form.appendChild(okButton);
+    }
+
+    if (this.options.cancelLink) {
+      cancelLink = document.createElement("a");
+      cancelLink.href = "#";
+      cancelLink.appendChild(document.createTextNode(this.options.cancelText));
+      cancelLink.onclick = this.onclickCancel.bind(this);
+      cancelLink.className = 'editor_cancel';      
+      this.form.appendChild(cancelLink);
+    }
+  },
+  hasHTMLLineBreaks: function(string) {
+    if (!this.options.handleLineBreaks) return false;
+    return string.match(/<br/i) || string.match(/<p>/i);
+  },
+  convertHTMLLineBreaks: function(string) {
+    return string.replace(/<br>/gi, "\n").replace(/<br\/>/gi, "\n").replace(/<\/p>/gi, "\n").replace(/<p>/gi, "");
+  },
+  createEditField: function() {
+    var text;
+    if(this.options.loadTextURL) {
+      text = this.options.loadingText;
+    } else {
+      text = this.getText();
+    }
+
+    var obj = this;
+    
+    if (this.options.rows == 1 && !this.hasHTMLLineBreaks(text)) {
+      this.options.textarea = false;
+      var textField = document.createElement("input");
+      textField.obj = this;
+      textField.type = "text";
+      textField.name = this.options.paramName;
+      textField.value = text;
+      textField.style.backgroundColor = this.options.highlightcolor;
+      textField.className = 'editor_field';
+      var size = this.options.size || this.options.cols || 0;
+      if (size != 0) textField.size = size;
+      if (this.options.submitOnBlur)
+        textField.onblur = this.onSubmit.bind(this);
+      this.editField = textField;
+    } else {
+      this.options.textarea = true;
+      var textArea = document.createElement("textarea");
+      textArea.obj = this;
+      textArea.name = this.options.paramName;
+      textArea.value = this.convertHTMLLineBreaks(text);
+      textArea.rows = this.options.rows;
+      textArea.cols = this.options.cols || 40;
+      textArea.className = 'editor_field';      
+      if (this.options.submitOnBlur)
+        textArea.onblur = this.onSubmit.bind(this);
+      this.editField = textArea;
+    }
+    
+    if(this.options.loadTextURL) {
+      this.loadExternalText();
+    }
+    this.form.appendChild(this.editField);
+  },
+  getText: function() {
+    return this.element.innerHTML;
+  },
+  loadExternalText: function() {
+    Element.addClassName(this.form, this.options.loadingClassName);
+    this.editField.disabled = true;
+    new Ajax.Request(
+      this.options.loadTextURL,
+      Object.extend({
+        asynchronous: true,
+        onComplete: this.onLoadedExternalText.bind(this)
+      }, this.options.ajaxOptions)
+    );
+  },
+  onLoadedExternalText: function(transport) {
+    Element.removeClassName(this.form, this.options.loadingClassName);
+    this.editField.disabled = false;
+    this.editField.value = transport.responseText.stripTags();
+    Field.scrollFreeActivate(this.editField);
+  },
+  onclickCancel: function() {
+    this.onComplete();
+    this.leaveEditMode();
+    return false;
+  },
+  onFailure: function(transport) {
+    this.options.onFailure(transport);
+    if (this.oldInnerHTML) {
+      this.element.innerHTML = this.oldInnerHTML;
+      this.oldInnerHTML = null;
+    }
+    return false;
+  },
+  onSubmit: function() {
+    // onLoading resets these so we need to save them away for the Ajax call
+    var form = this.form;
+    var value = this.editField.value;
+    
+    // do this first, sometimes the ajax call returns before we get a chance to switch on Saving...
+    // which means this will actually switch on Saving... *after* we've left edit mode causing Saving...
+    // to be displayed indefinitely
+    this.onLoading();
+    
+    if (this.options.evalScripts) {
+      new Ajax.Request(
+        this.url, Object.extend({
+          parameters: this.options.callback(form, value),
+          onComplete: this.onComplete.bind(this),
+          onFailure: this.onFailure.bind(this),
+          asynchronous:true, 
+          evalScripts:true
+        }, this.options.ajaxOptions));
+    } else  {
+      new Ajax.Updater(
+        { success: this.element,
+          // don't update on failure (this could be an option)
+          failure: null }, 
+        this.url, Object.extend({
+          parameters: this.options.callback(form, value),
+          onComplete: this.onComplete.bind(this),
+          onFailure: this.onFailure.bind(this)
+        }, this.options.ajaxOptions));
+    }
+    // stop the event to avoid a page refresh in Safari
+    if (arguments.length > 1) {
+      Event.stop(arguments[0]);
+    }
+    return false;
+  },
+  onLoading: function() {
+    this.saving = true;
+    this.removeForm();
+    this.leaveHover();
+    this.showSaving();
+  },
+  showSaving: function() {
+    this.oldInnerHTML = this.element.innerHTML;
+    this.element.innerHTML = this.options.savingText;
+    Element.addClassName(this.element, this.options.savingClassName);
+    this.element.style.backgroundColor = this.originalBackground;
+    Element.show(this.element);
+  },
+  removeForm: function() {
+    if(this.form) {
+      if (this.form.parentNode) Element.remove(this.form);
+      this.form = null;
+    }
+  },
+  enterHover: function() {
+    if (this.saving) return;
+    this.element.style.backgroundColor = this.options.highlightcolor;
+    if (this.effect) {
+      this.effect.cancel();
+    }
+    Element.addClassName(this.element, this.options.hoverClassName)
+  },
+  leaveHover: function() {
+    if (this.options.backgroundColor) {
+      this.element.style.backgroundColor = this.oldBackground;
+    }
+    Element.removeClassName(this.element, this.options.hoverClassName)
+    if (this.saving) return;
+    this.effect = new Effect.Highlight(this.element, {
+      startcolor: this.options.highlightcolor,
+      endcolor: this.options.highlightendcolor,
+      restorecolor: this.originalBackground
+    });
+  },
+  leaveEditMode: function() {
+    Element.removeClassName(this.element, this.options.savingClassName);
+    this.removeForm();
+    this.leaveHover();
+    this.element.style.backgroundColor = this.originalBackground;
+    Element.show(this.element);
+    if (this.options.externalControl) {
+      Element.show(this.options.externalControl);
+    }
+    this.editing = false;
+    this.saving = false;
+    this.oldInnerHTML = null;
+    this.onLeaveEditMode();
+  },
+  onComplete: function(transport) {
+    this.leaveEditMode();
+    this.options.onComplete.bind(this)(transport, this.element);
+  },
+  onEnterEditMode: function() {},
+  onLeaveEditMode: function() {},
+  dispose: function() {
+    if (this.oldInnerHTML) {
+      this.element.innerHTML = this.oldInnerHTML;
+    }
+    this.leaveEditMode();
+    Event.stopObserving(this.element, 'click', this.onclickListener);
+    Event.stopObserving(this.element, 'mouseover', this.mouseoverListener);
+    Event.stopObserving(this.element, 'mouseout', this.mouseoutListener);
+    if (this.options.externalControl) {
+      Event.stopObserving(this.options.externalControl, 'click', this.onclickListener);
+      Event.stopObserving(this.options.externalControl, 'mouseover', this.mouseoverListener);
+      Event.stopObserving(this.options.externalControl, 'mouseout', this.mouseoutListener);
+    }
+  }
+};
+
+Ajax.InPlaceCollectionEditor = Class.create();
+Object.extend(Ajax.InPlaceCollectionEditor.prototype, Ajax.InPlaceEditor.prototype);
+Object.extend(Ajax.InPlaceCollectionEditor.prototype, {
+  createEditField: function() {
+    if (!this.cached_selectTag) {
+      var selectTag = document.createElement("select");
+      var collection = this.options.collection || [];
+      var optionTag;
+      collection.each(function(e,i) {
+        optionTag = document.createElement("option");
+        optionTag.value = (e instanceof Array) ? e[0] : e;
+        if((typeof this.options.value == 'undefined') && 
+          ((e instanceof Array) ? this.element.innerHTML == e[1] : e == optionTag.value)) optionTag.selected = true;
+        if(this.options.value==optionTag.value) optionTag.selected = true;
+        optionTag.appendChild(document.createTextNode((e instanceof Array) ? e[1] : e));
+        selectTag.appendChild(optionTag);
+      }.bind(this));
+      this.cached_selectTag = selectTag;
+    }
+
+    this.editField = this.cached_selectTag;
+    if(this.options.loadTextURL) this.loadExternalText();
+    this.form.appendChild(this.editField);
+    this.options.callback = function(form, value) {
+      return "value=" + encodeURIComponent(value);
+    }
+  }
+});
+
+// Delayed observer, like Form.Element.Observer, 
+// but waits for delay after last key input
+// Ideal for live-search fields
+
+Form.Element.DelayedObserver = Class.create();
+Form.Element.DelayedObserver.prototype = {
+  initialize: function(element, delay, callback) {
+    this.delay     = delay || 0.5;
+    this.element   = $(element);
+    this.callback  = callback;
+    this.timer     = null;
+    this.lastValue = $F(this.element); 
+    Event.observe(this.element,'keyup',this.delayedListener.bindAsEventListener(this));
+  },
+  delayedListener: function(event) {
+    if(this.lastValue == $F(this.element)) return;
+    if(this.timer) clearTimeout(this.timer);
+    this.timer = setTimeout(this.onTimerEvent.bind(this), this.delay * 1000);
+    this.lastValue = $F(this.element);
+  },
+  onTimerEvent: function() {
+    this.timer = null;
+    this.callback(this.element, $F(this.element));
+  }
+};
diff --git a/typo3/contrib/scriptaculous/dragdrop.js b/typo3/contrib/scriptaculous/dragdrop.js
new file mode 100644 (file)
index 0000000..32c91bc
--- /dev/null
@@ -0,0 +1,944 @@
+// script.aculo.us dragdrop.js v1.7.0, Fri Jan 19 19:16:36 CET 2007
+
+// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+//           (c) 2005, 2006 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz)
+// 
+// script.aculo.us is freely distributable under the terms of an MIT-style license.
+// For details, see the script.aculo.us web site: http://script.aculo.us/
+
+if(typeof Effect == 'undefined')
+  throw("dragdrop.js requires including script.aculo.us' effects.js library");
+
+var Droppables = {
+  drops: [],
+
+  remove: function(element) {
+    this.drops = this.drops.reject(function(d) { return d.element==$(element) });
+  },
+
+  add: function(element) {
+    element = $(element);
+    var options = Object.extend({
+      greedy:     true,
+      hoverclass: null,
+      tree:       false
+    }, arguments[1] || {});
+
+    // cache containers
+    if(options.containment) {
+      options._containers = [];
+      var containment = options.containment;
+      if((typeof containment == 'object') && 
+        (containment.constructor == Array)) {
+        containment.each( function(c) { options._containers.push($(c)) });
+      } else {
+        options._containers.push($(containment));
+      }
+    }
+    
+    if(options.accept) options.accept = [options.accept].flatten();
+
+    Element.makePositioned(element); // fix IE
+    options.element = element;
+
+    this.drops.push(options);
+  },
+  
+  findDeepestChild: function(drops) {
+    deepest = drops[0];
+      
+    for (i = 1; i < drops.length; ++i)
+      if (Element.isParent(drops[i].element, deepest.element))
+        deepest = drops[i];
+    
+    return deepest;
+  },
+
+  isContained: function(element, drop) {
+    var containmentNode;
+    if(drop.tree) {
+      containmentNode = element.treeNode; 
+    } else {
+      containmentNode = element.parentNode;
+    }
+    return drop._containers.detect(function(c) { return containmentNode == c });
+  },
+  
+  isAffected: function(point, element, drop) {
+    return (
+      (drop.element!=element) &&
+      ((!drop._containers) ||
+        this.isContained(element, drop)) &&
+      ((!drop.accept) ||
+        (Element.classNames(element).detect( 
+          function(v) { return drop.accept.include(v) } ) )) &&
+      Position.within(drop.element, point[0], point[1]) );
+  },
+
+  deactivate: function(drop) {
+    if(drop.hoverclass)
+      Element.removeClassName(drop.element, drop.hoverclass);
+    this.last_active = null;
+  },
+
+  activate: function(drop) {
+    if(drop.hoverclass)
+      Element.addClassName(drop.element, drop.hoverclass);
+    this.last_active = drop;
+  },
+
+  show: function(point, element) {
+    if(!this.drops.length) return;
+    var affected = [];
+    
+    if(this.last_active) this.deactivate(this.last_active);
+    this.drops.each( function(drop) {
+      if(Droppables.isAffected(point, element, drop))
+        affected.push(drop);
+    });
+        
+    if(affected.length>0) {
+      drop = Droppables.findDeepestChild(affected);
+      Position.within(drop.element, point[0], point[1]);
+      if(drop.onHover)
+        drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));
+      
+      Droppables.activate(drop);
+    }
+  },
+
+  fire: function(event, element) {
+    if(!this.last_active) return;
+    Position.prepare();
+
+    if (this.isAffected([Event.pointerX(event), Event.pointerY(event)], element, this.last_active))
+      if (this.last_active.onDrop) 
+        this.last_active.onDrop(element, this.last_active.element, event);
+  },
+
+  reset: function() {
+    if(this.last_active)
+      this.deactivate(this.last_active);
+  }
+}
+
+var Draggables = {
+  drags: [],
+  observers: [],
+  
+  register: function(draggable) {
+    if(this.drags.length == 0) {
+      this.eventMouseUp   = this.endDrag.bindAsEventListener(this);
+      this.eventMouseMove = this.updateDrag.bindAsEventListener(this);
+      this.eventKeypress  = this.keyPress.bindAsEventListener(this);
+      
+      Event.observe(document, "mouseup", this.eventMouseUp);
+      Event.observe(document, "mousemove", this.eventMouseMove);
+      Event.observe(document, "keypress", this.eventKeypress);
+    }
+    this.drags.push(draggable);
+  },
+  
+  unregister: function(draggable) {
+    this.drags = this.drags.reject(function(d) { return d==draggable });
+    if(this.drags.length == 0) {
+      Event.stopObserving(document, "mouseup", this.eventMouseUp);
+      Event.stopObserving(document, "mousemove", this.eventMouseMove);
+      Event.stopObserving(document, "keypress", this.eventKeypress);
+    }
+  },
+  
+  activate: function(draggable) {
+    if(draggable.options.delay) { 
+      this._timeout = setTimeout(function() { 
+        Draggables._timeout = null; 
+        window.focus(); 
+        Draggables.activeDraggable = draggable; 
+      }.bind(this), draggable.options.delay); 
+    } else {
+      window.focus(); // allows keypress events if window isn't currently focused, fails for Safari
+      this.activeDraggable = draggable;
+    }
+  },
+  
+  deactivate: function() {
+    this.activeDraggable = null;
+  },
+  
+  updateDrag: function(event) {
+    if(!this.activeDraggable) return;
+    var pointer = [Event.pointerX(event), Event.pointerY(event)];
+    // Mozilla-based browsers fire successive mousemove events with
+    // the same coordinates, prevent needless redrawing (moz bug?)
+    if(this._lastPointer && (this._lastPointer.inspect() == pointer.inspect())) return;
+    this._lastPointer = pointer;
+    
+    this.activeDraggable.updateDrag(event, pointer);
+  },
+  
+  endDrag: function(event) {
+    if(this._timeout) { 
+      clearTimeout(this._timeout); 
+      this._timeout = null; 
+    }
+    if(!this.activeDraggable) return;
+    this._lastPointer = null;
+    this.activeDraggable.endDrag(event);
+    this.activeDraggable = null;
+  },
+  
+  keyPress: function(event) {
+    if(this.activeDraggable)
+      this.activeDraggable.keyPress(event);
+  },
+  
+  addObserver: function(observer) {
+    this.observers.push(observer);
+    this._cacheObserverCallbacks();
+  },
+  
+  removeObserver: function(element) {  // element instead of observer fixes mem leaks
+    this.observers = this.observers.reject( function(o) { return o.element==element });
+    this._cacheObserverCallbacks();
+  },
+  
+  notify: function(eventName, draggable, event) {  // 'onStart', 'onEnd', 'onDrag'
+    if(this[eventName+'Count'] > 0)
+      this.observers.each( function(o) {
+        if(o[eventName]) o[eventName](eventName, draggable, event);
+      });
+    if(draggable.options[eventName]) draggable.options[eventName](draggable, event);
+  },
+  
+  _cacheObserverCallbacks: function() {
+    ['onStart','onEnd','onDrag'].each( function(eventName) {
+      Draggables[eventName+'Count'] = Draggables.observers.select(
+        function(o) { return o[eventName]; }
+      ).length;
+    });
+  }
+}
+
+/*--------------------------------------------------------------------------*/
+
+var Draggable = Class.create();
+Draggable._dragging    = {};
+
+Draggable.prototype = {
+  initialize: function(element) {
+    var defaults = {
+      handle: false,
+      reverteffect: function(element, top_offset, left_offset) {
+        var dur = Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02;
+        new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur,
+          queue: {scope:'_draggable', position:'end'}
+        });
+      },
+      endeffect: function(element) {
+        var toOpacity = typeof element._opacity == 'number' ? element._opacity : 1.0;
+        new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity, 
+          queue: {scope:'_draggable', position:'end'},
+          afterFinish: function(){ 
+            Draggable._dragging[element] = false 
+          }
+        }); 
+      },
+      zindex: 1000,
+      revert: false,
+      scroll: false,
+      scrollSensitivity: 20,
+      scrollSpeed: 15,
+      snap: false,  // false, or xy or [x,y] or function(x,y){ return [x,y] }
+      delay: 0
+    };
+    
+    if(!arguments[1] || typeof arguments[1].endeffect == 'undefined')
+      Object.extend(defaults, {
+        starteffect: function(element) {
+          element._opacity = Element.getOpacity(element);
+          Draggable._dragging[element] = true;
+          new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7}); 
+        }
+      });
+    
+    var options = Object.extend(defaults, arguments[1] || {});
+
+    this.element = $(element);
+    
+    if(options.handle && (typeof options.handle == 'string'))
+      this.handle = this.element.down('.'+options.handle, 0);
+    
+    if(!this.handle) this.handle = $(options.handle);
+    if(!this.handle) this.handle = this.element;
+    
+    if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) {
+      options.scroll = $(options.scroll);
+      this._isScrollChild = Element.childOf(this.element, options.scroll);
+    }
+
+    Element.makePositioned(this.element); // fix IE    
+
+    this.delta    = this.currentDelta();
+    this.options  = options;
+    this.dragging = false;   
+
+    this.eventMouseDown = this.initDrag.bindAsEventListener(this);
+    Event.observe(this.handle, "mousedown", this.eventMouseDown);
+    
+    Draggables.register(this);
+  },
+  
+  destroy: function() {
+    Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);
+    Draggables.unregister(this);
+  },
+  
+  currentDelta: function() {
+    return([
+      parseInt(Element.getStyle(this.element,'left') || '0'),
+      parseInt(Element.getStyle(this.element,'top') || '0')]);
+  },
+  
+  initDrag: function(event) {
+    if(typeof Draggable._dragging[this.element] != 'undefined' &&
+      Draggable._dragging[this.element]) return;
+    if(Event.isLeftClick(event)) {    
+      // abort on form elements, fixes a Firefox issue
+      var src = Event.element(event);
+      if((tag_name = src.tagName.toUpperCase()) && (
+        tag_name=='INPUT' ||
+        tag_name=='SELECT' ||
+        tag_name=='OPTION' ||
+        tag_name=='BUTTON' ||
+        tag_name=='TEXTAREA')) return;
+        
+      var pointer = [Event.pointerX(event), Event.pointerY(event)];
+      var pos     = Position.cumulativeOffset(this.element);
+      this.offset = [0,1].map( function(i) { return (pointer[i] - pos[i]) });
+      
+      Draggables.activate(this);
+      Event.stop(event);
+    }
+  },
+  
+  startDrag: function(event) {
+    this.dragging = true;
+    
+    if(this.options.zindex) {
+      this.originalZ = parseInt(Element.getStyle(this.element,'z-index') || 0);
+      this.element.style.zIndex = this.options.zindex;
+    }
+    
+    if(this.options.ghosting) {
+      this._clone = this.element.cloneNode(true);
+      Position.absolutize(this.element);
+      this.element.parentNode.insertBefore(this._clone, this.element);
+    }
+    
+    if(this.options.scroll) {
+      if (this.options.scroll == window) {
+        var where = this._getWindowScroll(this.options.scroll);
+        this.originalScrollLeft = where.left;
+        this.originalScrollTop = where.top;
+      } else {
+        this.originalScrollLeft = this.options.scroll.scrollLeft;
+        this.originalScrollTop = this.options.scroll.scrollTop;
+      }
+    }
+    
+    Draggables.notify('onStart', this, event);
+        
+    if(this.options.starteffect) this.options.starteffect(this.element);
+  },
+  
+  updateDrag: function(event, pointer) {
+    if(!this.dragging) this.startDrag(event);
+    Position.prepare();
+    Droppables.show(pointer, this.element);
+    Draggables.notify('onDrag', this, event);
+    
+    this.draw(pointer);
+    if(this.options.change) this.options.change(this);
+    
+    if(this.options.scroll) {
+      this.stopScrolling();
+      
+      var p;
+      if (this.options.scroll == window) {
+        with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; }
+      } else {
+        p = Position.page(this.options.scroll);
+        p[0] += this.options.scroll.scrollLeft + Position.deltaX;
+        p[1] += this.options.scroll.scrollTop + Position.deltaY;
+        p.push(p[0]+this.options.scroll.offsetWidth);
+        p.push(p[1]+this.options.scroll.offsetHeight);
+      }
+      var speed = [0,0];
+      if(pointer[0] < (p[0]+this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[0]+this.options.scrollSensitivity);
+      if(pointer[1] < (p[1]+this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[1]+this.options.scrollSensitivity);
+      if(pointer[0] > (p[2]-this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[2]-this.options.scrollSensitivity);
+      if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.scrollSensitivity);
+      this.startScrolling(speed);
+    }
+    
+    // fix AppleWebKit rendering
+    if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
+    
+    Event.stop(event);
+  },
+  
+  finishDrag: function(event, success) {
+    this.dragging = false;
+
+    if(this.options.ghosting) {
+      Position.relativize(this.element);
+      Element.remove(this._clone);
+      this._clone = null;
+    }
+
+    if(success) Droppables.fire(event, this.element);
+    Draggables.notify('onEnd', this, event);
+
+    var revert = this.options.revert;
+    if(revert && typeof revert == 'function') revert = revert(this.element);
+    
+    var d = this.currentDelta();
+    if(revert && this.options.reverteffect) {
+      this.options.reverteffect(this.element, 
+        d[1]-this.delta[1], d[0]-this.delta[0]);
+    } else {
+      this.delta = d;
+    }
+
+    if(this.options.zindex)
+      this.element.style.zIndex = this.originalZ;
+
+    if(this.options.endeffect) 
+      this.options.endeffect(this.element);
+      
+    Draggables.deactivate(this);
+    Droppables.reset();
+  },
+  
+  keyPress: function(event) {
+    if(event.keyCode!=Event.KEY_ESC) return;
+    this.finishDrag(event, false);
+    Event.stop(event);
+  },
+  
+  endDrag: function(event) {
+    if(!this.dragging) return;
+    this.stopScrolling();
+    this.finishDrag(event, true);
+    Event.stop(event);
+  },
+  
+  draw: function(point) {
+    var pos = Position.cumulativeOffset(this.element);
+    if(this.options.ghosting) {
+      var r   = Position.realOffset(this.element);
+      pos[0] += r[0] - Position.deltaX; pos[1] += r[1] - Position.deltaY;
+    }
+    
+    var d = this.currentDelta();
+    pos[0] -= d[0]; pos[1] -= d[1];
+    
+    if(this.options.scroll && (this.options.scroll != window && this._isScrollChild)) {
+      pos[0] -= this.options.scroll.scrollLeft-this.originalScrollLeft;
+      pos[1] -= this.options.scroll.scrollTop-this.originalScrollTop;
+    }
+    
+    var p = [0,1].map(function(i){ 
+      return (point[i]-pos[i]-this.offset[i]) 
+    }.bind(this));
+    
+    if(this.options.snap) {
+      if(typeof this.options.snap == 'function') {
+        p = this.options.snap(p[0],p[1],this);
+      } else {
+      if(this.options.snap instanceof Array) {
+        p = p.map( function(v, i) {
+          return Math.round(v/this.options.snap[i])*this.options.snap[i] }.bind(this))
+      } else {
+        p = p.map( function(v) {
+          return Math.round(v/this.options.snap)*this.options.snap }.bind(this))
+      }
+    }}
+    
+    var style = this.element.style;
+    if((!this.options.constraint) || (this.options.constraint=='horizontal'))
+      style.left = p[0] + "px";
+    if((!this.options.constraint) || (this.options.constraint=='vertical'))
+      style.top  = p[1] + "px";
+    
+    if(style.visibility=="hidden") style.visibility = ""; // fix gecko rendering
+  },
+  
+  stopScrolling: function() {
+    if(this.scrollInterval) {
+      clearInterval(this.scrollInterval);
+      this.scrollInterval = null;
+      Draggables._lastScrollPointer = null;
+    }
+  },
+  
+  startScrolling: function(speed) {
+    if(!(speed[0] || speed[1])) return;
+    this.scrollSpeed = [speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed];
+    this.lastScrolled = new Date();
+    this.scrollInterval = setInterval(this.scroll.bind(this), 10);
+  },
+  
+  scroll: function() {
+    var current = new Date();
+    var delta = current - this.lastScrolled;
+    this.lastScrolled = current;
+    if(this.options.scroll == window) {
+      with (this._getWindowScroll(this.options.scroll)) {
+        if (this.scrollSpeed[0] || this.scrollSpeed[1]) {
+          var d = delta / 1000;
+          this.options.scroll.scrollTo( left + d*this.scrollSpeed[0], top + d*this.scrollSpeed[1] );
+        }
+      }
+    } else {
+      this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;
+      this.options.scroll.scrollTop  += this.scrollSpeed[1] * delta / 1000;
+    }
+    
+    Position.prepare();
+    Droppables.show(Draggables._lastPointer, this.element);
+    Draggables.notify('onDrag', this);
+    if (this._isScrollChild) {
+      Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer);
+      Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;
+      Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;
+      if (Draggables._lastScrollPointer[0] < 0)
+        Draggables._lastScrollPointer[0] = 0;
+      if (Draggables._lastScrollPointer[1] < 0)
+        Draggables._lastScrollPointer[1] = 0;
+      this.draw(Draggables._lastScrollPointer);
+    }
+    
+    if(this.options.change) this.options.change(this);
+  },
+  
+  _getWindowScroll: function(w) {
+    var T, L, W, H;
+    with (w.document) {
+      if (w.document.documentElement && documentElement.scrollTop) {
+        T = documentElement.scrollTop;
+        L = documentElement.scrollLeft;
+      } else if (w.document.body) {
+        T = body.scrollTop;
+        L = body.scrollLeft;
+      }
+      if (w.innerWidth) {
+        W = w.innerWidth;
+        H = w.innerHeight;
+      } else if (w.document.documentElement && documentElement.clientWidth) {
+        W = documentElement.clientWidth;
+        H = documentElement.clientHeight;
+      } else {
+        W = body.offsetWidth;
+        H = body.offsetHeight
+      }
+    }
+    return { top: T, left: L, width: W, height: H };
+  }
+}
+
+/*--------------------------------------------------------------------------*/
+
+var SortableObserver = Class.create();
+SortableObserver.prototype = {
+  initialize: function(element, observer) {
+    this.element   = $(element);
+    this.observer  = observer;
+    this.lastValue = Sortable.serialize(this.element);
+  },
+  
+  onStart: function() {
+    this.lastValue = Sortable.serialize(this.element);
+  },
+  
+  onEnd: function() {
+    Sortable.unmark();
+    if(this.lastValue != Sortable.serialize(this.element))
+      this.observer(this.element)
+  }
+}
+
+var Sortable = {
+  SERIALIZE_RULE: /^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,
+  
+  sortables: {},
+  
+  _findRootElement: function(element) {
+    while (element.tagName.toUpperCase() != "BODY") {  
+      if(element.id && Sortable.sortables[element.id]) return element;
+      element = element.parentNode;
+    }
+  },
+
+  options: function(element) {
+    element = Sortable._findRootElement($(element));
+    if(!element) return;
+    return Sortable.sortables[element.id];
+  },
+  
+  destroy: function(element){
+    var s = Sortable.options(element);
+    
+    if(s) {
+      Draggables.removeObserver(s.element);
+      s.droppables.each(function(d){ Droppables.remove(d) });
+      s.draggables.invoke('destroy');
+      
+      delete Sortable.sortables[s.element.id];
+    }
+  },
+
+  create: function(element) {
+    element = $(element);
+    var options = Object.extend({ 
+      element:     element,
+      tag:         'li',       // assumes li children, override with tag: 'tagname'
+      dropOnEmpty: false,
+      tree:        false,
+      treeTag:     'ul',
+      overlap:     'vertical', // one of 'vertical', 'horizontal'
+      constraint:  'vertical', // one of 'vertical', 'horizontal', false
+      containment: element,    // also takes array of elements (or id's); or false
+      handle:      false,      // or a CSS class
+      only:        false,
+      delay:       0,
+      hoverclass:  null,
+      ghosting:    false,
+      scroll:      false,
+      scrollSensitivity: 20,
+      scrollSpeed: 15,
+      format:      this.SERIALIZE_RULE,
+      onChange:    Prototype.emptyFunction,
+      onUpdate:    Prototype.emptyFunction
+    }, arguments[1] || {});
+
+    // clear any old sortable with same element
+    this.destroy(element);
+
+    // build options for the draggables
+    var options_for_draggable = {
+      revert:      true,
+      scroll:      options.scroll,
+      scrollSpeed: options.scrollSpeed,
+      scrollSensitivity: options.scrollSensitivity,
+      delay:       options.delay,
+      ghosting:    options.ghosting,
+      constraint:  options.constraint,
+      handle:      options.handle };
+
+    if(options.starteffect)
+      options_for_draggable.starteffect = options.starteffect;
+
+    if(options.reverteffect)
+      options_for_draggable.reverteffect = options.reverteffect;
+    else
+      if(options.ghosting) options_for_draggable.reverteffect = function(element) {
+        element.style.top  = 0;
+        element.style.left = 0;
+      };
+
+    if(options.endeffect)
+      options_for_draggable.endeffect = options.endeffect;
+
+    if(options.zindex)
+      options_for_draggable.zindex = options.zindex;
+
+    // build options for the droppables  
+    var options_for_droppable = {
+      overlap:     options.overlap,
+      containment: options.containment,
+      tree:        options.tree,
+      hoverclass:  options.hoverclass,
+      onHover:     Sortable.onHover
+    }
+    
+    var options_for_tree = {
+      onHover:      Sortable.onEmptyHover,
+      overlap:      options.overlap,
+      containment:  options.containment,
+      hoverclass:   options.hoverclass
+    }
+
+    // fix for gecko engine
+    Element.cleanWhitespace(element); 
+
+    options.draggables = [];
+    options.droppables = [];
+
+    // drop on empty handling
+    if(options.dropOnEmpty || options.tree) {
+      Droppables.add(element, options_for_tree);
+      options.droppables.push(element);
+    }
+
+    (this.findElements(element, options) || []).each( function(e) {
+      // handles are per-draggable
+      var handle = options.handle ? 
+        $(e).down('.'+options.handle,0) : e;    
+      options.draggables.push(
+        new Draggable(e, Object.extend(options_for_draggable, { handle: handle })));
+      Droppables.add(e, options_for_droppable);
+      if(options.tree) e.treeNode = element;
+      options.droppables.push(e);      
+    });
+    
+    if(options.tree) {
+      (Sortable.findTreeElements(element, options) || []).each( function(e) {
+        Droppables.add(e, options_for_tree);
+        e.treeNode = element;
+        options.droppables.push(e);
+      });
+    }
+
+    // keep reference
+    this.sortables[element.id] = options;
+
+    // for onupdate
+    Draggables.addObserver(new SortableObserver(element, options.onUpdate));
+
+  },
+
+  // return all suitable-for-sortable elements in a guaranteed order
+  findElements: function(element, options) {
+    return Element.findChildren(
+      element, options.only, options.tree ? true : false, options.tag);
+  },
+  
+  findTreeElements: function(element, options) {
+    return Element.findChildren(
+      element, options.only, options.tree ? true : false, options.treeTag);
+  },
+
+  onHover: function(element, dropon, overlap) {
+    if(Element.isParent(dropon, element)) return;
+
+    if(overlap > .33 && overlap < .66 && Sortable.options(dropon).tree) {
+      return;
+    } else if(overlap>0.5) {
+      Sortable.mark(dropon, 'before');
+      if(dropon.previousSibling != element) {
+        var oldParentNode = element.parentNode;
+        element.style.visibility = "hidden"; // fix gecko rendering
+        dropon.parentNode.insertBefore(element, dropon);
+        if(dropon.parentNode!=oldParentNode) 
+          Sortable.options(oldParentNode).onChange(element);
+        Sortable.options(dropon.parentNode).onChange(element);
+      }
+    } else {
+      Sortable.mark(dropon, 'after');
+      var nextElement = dropon.nextSibling || null;
+      if(nextElement != element) {
+        var oldParentNode = element.parentNode;
+        element.style.visibility = "hidden"; // fix gecko rendering
+        dropon.parentNode.insertBefore(element, nextElement);
+        if(dropon.parentNode!=oldParentNode) 
+          Sortable.options(oldParentNode).onChange(element);
+        Sortable.options(dropon.parentNode).onChange(element);
+      }
+    }
+  },
+  
+  onEmptyHover: function(element, dropon, overlap) {
+    var oldParentNode = element.parentNode;
+    var droponOptions = Sortable.options(dropon);
+        
+    if(!Element.isParent(dropon, element)) {
+      var index;
+      
+      var children = Sortable.findElements(dropon, {tag: droponOptions.tag, only: droponOptions.only});
+      var child = null;
+            
+      if(children) {
+        var offset = Element.offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap);
+        
+        for (index = 0; index < children.length; index += 1) {
+          if (offset - Element.offsetSize (children[index], droponOptions.overlap) >= 0) {
+            offset -= Element.offsetSize (children[index], droponOptions.overlap);
+          } else if (offset - (Element.offsetSize (children[index], droponOptions.overlap) / 2) >= 0) {
+            child = index + 1 < children.length ? children[index + 1] : null;
+            break;
+          } else {
+            child = children[index];
+            break;
+          }
+        }
+      }
+      
+      dropon.insertBefore(element, child);
+      
+      Sortable.options(oldParentNode).onChange(element);
+      droponOptions.onChange(element);
+    }
+  },
+
+  unmark: function() {
+    if(Sortable._marker) Sortable._marker.hide();
+  },
+
+  mark: function(dropon, position) {
+    // mark on ghosting only
+    var sortable = Sortable.options(dropon.parentNode);
+    if(sortable && !sortable.ghosting) return; 
+
+    if(!Sortable._marker) {
+      Sortable._marker = 
+        ($('dropmarker') || Element.extend(document.createElement('DIV'))).
+          hide().addClassName('dropmarker').setStyle({position:'absolute'});
+      document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);
+    }    
+    var offsets = Position.cumulativeOffset(dropon);
+    Sortable._marker.setStyle({left: offsets[0]+'px', top: offsets[1] + 'px'});
+    
+    if(position=='after')
+      if(sortable.overlap == 'horizontal') 
+        Sortable._marker.setStyle({left: (offsets[0]+dropon.clientWidth) + 'px'});
+      else
+        Sortable._marker.setStyle({top: (offsets[1]+dropon.clientHeight) + 'px'});
+    
+    Sortable._marker.show();
+  },
+  
+  _tree: function(element, options, parent) {
+    var children = Sortable.findElements(element, options) || [];
+  
+    for (var i = 0; i < children.length; ++i) {
+      var match = children[i].id.match(options.format);
+
+      if (!match) continue;
+      
+      var child = {
+        id: encodeURIComponent(match ? match[1] : null),
+        element: element,
+        parent: parent,
+        children: [],
+        position: parent.children.length,
+        container: $(children[i]).down(options.treeTag)
+      }
+      
+      /* Get the element containing the children and recurse over it */
+      if (child.container)
+        this._tree(child.container, options, child)
+      
+      parent.children.push (child);
+    }
+
+    return parent; 
+  },
+
+  tree: function(element) {
+    element = $(element);
+    var sortableOptions = this.options(element);
+    var options = Object.extend({
+      tag: sortableOptions.tag,
+      treeTag: sortableOptions.treeTag,
+      only: sortableOptions.only,
+      name: element.id,
+      format: sortableOptions.format
+    }, arguments[1] || {});
+    
+    var root = {
+      id: null,
+      parent: null,
+      children: [],
+      container: element,
+      position: 0
+    }
+    
+    return Sortable._tree(element, options, root);
+  },
+
+  /* Construct a [i] index for a particular node */
+  _constructIndex: function(node) {
+    var index = '';
+    do {
+      if (node.id) index = '[' + node.position + ']' + index;
+    } while ((node = node.parent) != null);
+    return index;
+  },
+
+  sequence: function(element) {
+    element = $(element);
+    var options = Object.extend(this.options(element), arguments[1] || {});
+    
+    return $(this.findElements(element, options) || []).map( function(item) {
+      return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
+    });
+  },
+
+  setSequence: function(element, new_sequence) {
+    element = $(element);
+    var options = Object.extend(this.options(element), arguments[2] || {});
+    
+    var nodeMap = {};
+    this.findElements(element, options).each( function(n) {
+        if (n.id.match(options.format))
+            nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode];
+        n.parentNode.removeChild(n);
+    });
+   
+    new_sequence.each(function(ident) {
+      var n = nodeMap[ident];
+      if (n) {
+        n[1].appendChild(n[0]);
+        delete nodeMap[ident];
+      }
+    });
+  },
+  
+  serialize: function(element) {
+    element = $(element);
+    var options = Object.extend(Sortable.options(element), arguments[1] || {});
+    var name = encodeURIComponent(
+      (arguments[1] && arguments[1].name) ? arguments[1].name : element.id);
+    
+    if (options.tree) {
+      return Sortable.tree(element, arguments[1]).children.map( function (item) {
+        return [name + Sortable._constructIndex(item) + "[id]=" + 
+                encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
+      }).flatten().join('&');
+    } else {
+      return Sortable.sequence(element, arguments[1]).map( function(item) {
+        return name + "[]=" + encodeURIComponent(item);
+      }).join('&');
+    }
+  }
+}
+
+// Returns true if child is contained within element
+Element.isParent = function(child, element) {
+  if (!child.parentNode || child == element) return false;
+  if (child.parentNode == element) return true;
+  return Element.isParent(child.parentNode, element);
+}
+
+Element.findChildren = function(element, only, recursive, tagName) {    
+  if(!element.hasChildNodes()) return null;
+  tagName = tagName.toUpperCase();
+  if(only) only = [only].flatten();
+  var elements = [];
+  $A(element.childNodes).each( function(e) {
+    if(e.tagName && e.tagName.toUpperCase()==tagName &&
+      (!only || (Element.classNames(e).detect(function(v) { return only.include(v) }))))
+        elements.push(e);
+    if(recursive) {
+      var grandchildren = Element.findChildren(e, only, recursive, tagName);
+      if(grandchildren) elements.push(grandchildren);
+    }
+  });
+
+  return (elements.length>0 ? elements.flatten() : []);
+}
+
+Element.offsetSize = function (element, type) {
+  return element['offset' + ((type=='vertical' || type=='height') ? 'Height' : 'Width')];
+}
diff --git a/typo3/contrib/scriptaculous/effects.js b/typo3/contrib/scriptaculous/effects.js
new file mode 100644 (file)
index 0000000..06f59b4
--- /dev/null
@@ -0,0 +1,1090 @@
+// script.aculo.us effects.js v1.7.0, Fri Jan 19 19:16:36 CET 2007
+
+// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+// Contributors:
+//  Justin Palmer (http://encytemedia.com/)
+//  Mark Pilgrim (http://diveintomark.org/)
+//  Martin Bialasinki
+// 
+// script.aculo.us is freely distributable under the terms of an MIT-style license.
+// For details, see the script.aculo.us web site: http://script.aculo.us/ 
+
+// converts rgb() and #xxx to #xxxxxx format,  
+// returns self (or first argument) if not convertable  
+String.prototype.parseColor = function() {  
+  var color = '#';
+  if(this.slice(0,4) == 'rgb(') {  
+    var cols = this.slice(4,this.length-1).split(',');  
+    var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);  
+  } else {  
+    if(this.slice(0,1) == '#') {  
+      if(this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();  
+      if(this.length==7) color = this.toLowerCase();  
+    }  
+  }  
+  return(color.length==7 ? color : (arguments[0] || this));  
+}
+
+/*--------------------------------------------------------------------------*/
+
+Element.collectTextNodes = function(element) {  
+  return $A($(element).childNodes).collect( function(node) {
+    return (node.nodeType==3 ? node.nodeValue : 
+      (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
+  }).flatten().join('');
+}
+
+Element.collectTextNodesIgnoreClass = function(element, className) {  
+  return $A($(element).childNodes).collect( function(node) {
+    return (node.nodeType==3 ? node.nodeValue : 
+      ((node.hasChildNodes() && !Element.hasClassName(node,className)) ? 
+        Element.collectTextNodesIgnoreClass(node, className) : ''));
+  }).flatten().join('');
+}
+
+Element.setContentZoom = function(element, percent) {
+  element = $(element);  
+  element.setStyle({fontSize: (percent/100) + 'em'});   
+  if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
+  return element;
+}
+
+Element.getOpacity = function(element){
+  return $(element).getStyle('opacity');
+}
+
+Element.setOpacity = function(element, value){
+  return $(element).setStyle({opacity:value});
+}
+
+Element.getInlineOpacity = function(element){
+  return $(element).style.opacity || '';
+}
+
+Element.forceRerendering = function(element) {
+  try {
+    element = $(element);
+    var n = document.createTextNode(' ');
+    element.appendChild(n);
+    element.removeChild(n);
+  } catch(e) { }
+};
+
+/*--------------------------------------------------------------------------*/
+
+Array.prototype.call = function() {
+  var args = arguments;
+  this.each(function(f){ f.apply(this, args) });
+}
+
+/*--------------------------------------------------------------------------*/
+
+var Effect = {
+  _elementDoesNotExistError: {
+    name: 'ElementDoesNotExistError',
+    message: 'The specified DOM element does not exist, but is required for this effect to operate'
+  },
+  tagifyText: function(element) {
+    if(typeof Builder == 'undefined')
+      throw("Effect.tagifyText requires including script.aculo.us' builder.js library");
+      
+    var tagifyStyle = 'position:relative';
+    if(/MSIE/.test(navigator.userAgent) && !window.opera) tagifyStyle += ';zoom:1';
+    
+    element = $(element);
+    $A(element.childNodes).each( function(child) {
+      if(child.nodeType==3) {
+        child.nodeValue.toArray().each( function(character) {
+          element.insertBefore(
+            Builder.node('span',{style: tagifyStyle},
+              character == ' ' ? String.fromCharCode(160) : character), 
+              child);
+        });
+        Element.remove(child);
+      }
+    });
+  },
+  multiple: function(element, effect) {
+    var elements;
+    if(((typeof element == 'object') || 
+        (typeof element == 'function')) && 
+       (element.length))
+      elements = element;
+    else
+      elements = $(element).childNodes;
+      
+    var options = Object.extend({
+      speed: 0.1,
+      delay: 0.0
+    }, arguments[2] || {});
+    var masterDelay = options.delay;
+
+    $A(elements).each( function(element, index) {
+      new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
+    });
+  },
+  PAIRS: {
+    'slide':  ['SlideDown','SlideUp'],
+    'blind':  ['BlindDown','BlindUp'],
+    'appear': ['Appear','Fade']
+  },
+  toggle: function(element, effect) {
+    element = $(element);
+    effect = (effect || 'appear').toLowerCase();
+    var options = Object.extend({
+      queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
+    }, arguments[2] || {});
+    Effect[element.visible() ? 
+      Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
+  }
+};
+
+var Effect2 = Effect; // deprecated
+
+/* ------------- transitions ------------- */
+
+Effect.Transitions = {
+  linear: Prototype.K,
+  sinoidal: function(pos) {
+    return (-Math.cos(pos*Math.PI)/2) + 0.5;
+  },
+  reverse: function(pos) {
+    return 1-pos;
+  },
+  flicker: function(pos) {
+    return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
+  },
+  wobble: function(pos) {
+    return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
+  },
+  pulse: function(pos, pulses) { 
+    pulses = pulses || 5; 
+    return (
+      Math.round((pos % (1/pulses)) * pulses) == 0 ? 
+            ((pos * pulses * 2) - Math.floor(pos * pulses * 2)) : 
+        1 - ((pos * pulses * 2) - Math.floor(pos * pulses * 2))
+      );
+  },
+  none: function(pos) {
+    return 0;
+  },
+  full: function(pos) {
+    return 1;
+  }
+};
+
+/* ------------- core effects ------------- */
+
+Effect.ScopedQueue = Class.create();
+Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), {
+  initialize: function() {
+    this.effects  = [];
+    this.interval = null;
+  },
+  _each: function(iterator) {
+    this.effects._each(iterator);
+  },
+  add: function(effect) {
+    var timestamp = new Date().getTime();
+    
+    var position = (typeof effect.options.queue == 'string') ? 
+      effect.options.queue : effect.options.queue.position;
+    
+    switch(position) {
+      case 'front':
+        // move unstarted effects after this effect  
+        this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
+            e.startOn  += effect.finishOn;
+            e.finishOn += effect.finishOn;
+          });
+        break;
+      case 'with-last':
+        timestamp = this.effects.pluck('startOn').max() || timestamp;
+        break;
+      case 'end':
+        // start effect after last queued effect has finished
+        timestamp = this.effects.pluck('finishOn').max() || timestamp;
+        break;
+    }
+    
+    effect.startOn  += timestamp;
+    effect.finishOn += timestamp;
+
+    if(!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
+      this.effects.push(effect);
+    
+    if(!this.interval) 
+      this.interval = setInterval(this.loop.bind(this), 15);
+  },
+  remove: function(effect) {
+    this.effects = this.effects.reject(function(e) { return e==effect });
+    if(this.effects.length == 0) {
+      clearInterval(this.interval);
+      this.interval = null;
+    }
+  },
+  loop: function() {
+    var timePos = new Date().getTime();
+    for(var i=0, len=this.effects.length;i<len;i++) 
+      if(this.effects[i]) this.effects[i].loop(timePos);
+  }
+});
+
+Effect.Queues = {
+  instances: $H(),
+  get: function(queueName) {
+    if(typeof queueName != 'string') return queueName;
+    
+    if(!this.instances[queueName])
+      this.instances[queueName] = new Effect.ScopedQueue();
+      
+    return this.instances[queueName];
+  }
+}
+Effect.Queue = Effect.Queues.get('global');
+
+Effect.DefaultOptions = {
+  transition: Effect.Transitions.sinoidal,
+  duration:   1.0,   // seconds
+  fps:        60.0,  // max. 60fps due to Effect.Queue implementation
+  sync:       false, // true for combining
+  from:       0.0,
+  to:         1.0,
+  delay:      0.0,
+  queue:      'parallel'
+}
+
+Effect.Base = function() {};
+Effect.Base.prototype = {
+  position: null,
+  start: function(options) {
+    this.options      = Object.extend(Object.extend({},Effect.DefaultOptions), options || {});
+    this.currentFrame = 0;
+    this.state        = 'idle';
+    this.startOn      = this.options.delay*1000;
+    this.finishOn     = this.startOn + (this.options.duration*1000);
+    this.event('beforeStart');
+    if(!this.options.sync)
+      Effect.Queues.get(typeof this.options.queue == 'string' ? 
+        'global' : this.options.queue.scope).add(this);
+  },
+  loop: function(timePos) {
+    if(timePos >= this.startOn) {
+      if(timePos >= this.finishOn) {
+        this.render(1.0);
+        this.cancel();
+        this.event('beforeFinish');
+        if(this.finish) this.finish(); 
+        this.event('afterFinish');
+        return;  
+      }
+      var pos   = (timePos - this.startOn) / (this.finishOn - this.startOn);
+      var frame = Math.round(pos * this.options.fps * this.options.duration);
+      if(frame > this.currentFrame) {
+        this.render(pos);
+        this.currentFrame = frame;
+      }
+    }
+  },
+  render: function(pos) {
+    if(this.state == 'idle') {
+      this.state = 'running';
+      this.event('beforeSetup');
+      if(this.setup) this.setup();
+      this.event('afterSetup');
+    }
+    if(this.state == 'running') {
+      if(this.options.transition) pos = this.options.transition(pos);
+      pos *= (this.options.to-this.options.from);
+      pos += this.options.from;
+      this.position = pos;
+      this.event('beforeUpdate');
+      if(this.update) this.update(pos);
+      this.event('afterUpdate');
+    }
+  },
+  cancel: function() {
+    if(!this.options.sync)
+      Effect.Queues.get(typeof this.options.queue == 'string' ? 
+        'global' : this.options.queue.scope).remove(this);
+    this.state = 'finished';
+  },
+  event: function(eventName) {
+    if(this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
+    if(this.options[eventName]) this.options[eventName](this);
+  },
+  inspect: function() {
+    var data = $H();
+    for(property in this)
+      if(typeof this[property] != 'function') data[property] = this[property];
+    return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
+  }
+}
+
+Effect.Parallel = Class.create();
+Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {
+  initialize: function(effects) {
+    this.effects = effects || [];
+    this.start(arguments[1]);
+  },
+  update: function(position) {
+    this.effects.invoke('render', position);
+  },
+  finish: function(position) {
+    this.effects.each( function(effect) {
+      effect.render(1.0);
+      effect.cancel();
+      effect.event('beforeFinish');
+      if(effect.finish) effect.finish(position);
+      effect.event('afterFinish');
+    });
+  }
+});
+
+Effect.Event = Class.create();
+Object.extend(Object.extend(Effect.Event.prototype, Effect.Base.prototype), {
+  initialize: function() {
+    var options = Object.extend({
+      duration: 0
+    }, arguments[0] || {});
+    this.start(options);
+  },
+  update: Prototype.emptyFunction
+});
+
+Effect.Opacity = Class.create();
+Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {
+  initialize: function(element) {
+    this.element = $(element);
+    if(!this.element) throw(Effect._elementDoesNotExistError);
+    // make this work on IE on elements without 'layout'
+    if(/MSIE/.test(navigator.userAgent) && !window.opera && (!this.element.currentStyle.hasLayout))
+      this.element.setStyle({zoom: 1});
+    var options = Object.extend({
+      from: this.element.getOpacity() || 0.0,
+      to:   1.0
+    }, arguments[1] || {});
+    this.start(options);
+  },
+  update: function(position) {
+    this.element.setOpacity(position);
+  }
+});
+
+Effect.Move = Class.create();
+Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {
+  initialize: function(element) {
+    this.element = $(element);
+    if(!this.element) throw(Effect._elementDoesNotExistError);
+    var options = Object.extend({
+      x:    0,
+      y:    0,
+      mode: 'relative'
+    }, arguments[1] || {});
+    this.start(options);
+  },
+  setup: function() {
+    // Bug in Opera: Opera returns the "real" position of a static element or
+    // relative element that does not have top/left explicitly set.
+    // ==> Always set top and left for position relative elements in your stylesheets 
+    // (to 0 if you do not need them) 
+    this.element.makePositioned();
+    this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
+    this.originalTop  = parseFloat(this.element.getStyle('top')  || '0');
+    if(this.options.mode == 'absolute') {
+      // absolute movement, so we need to calc deltaX and deltaY
+      this.options.x = this.options.x - this.originalLeft;
+      this.options.y = this.options.y - this.originalTop;
+    }
+  },
+  update: function(position) {
+    this.element.setStyle({
+      left: Math.round(this.options.x  * position + this.originalLeft) + 'px',
+      top:  Math.round(this.options.y  * position + this.originalTop)  + 'px'
+    });
+  }
+});
+
+// for backwards compatibility
+Effect.MoveBy = function(element, toTop, toLeft) {
+  return new Effect.Move(element, 
+    Object.extend({ x: toLeft, y: toTop }, arguments[3] || {}));
+};
+
+Effect.Scale = Class.create();
+Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
+  initialize: function(element, percent) {
+    this.element = $(element);
+    if(!this.element) throw(Effect._elementDoesNotExistError);
+    var options = Object.extend({
+      scaleX: true,
+      scaleY: true,
+      scaleContent: true,
+      scaleFromCenter: false,
+      scaleMode: 'box',        // 'box' or 'contents' or {} with provided values
+      scaleFrom: 100.0,
+      scaleTo:   percent
+    }, arguments[2] || {});
+    this.start(options);
+  },
+  setup: function() {
+    this.restoreAfterFinish = this.options.restoreAfterFinish || false;
+    this.elementPositioning = this.element.getStyle('position');
+    
+    this.originalStyle = {};
+    ['top','left','width','height','fontSize'].each( function(k) {
+      this.originalStyle[k] = this.element.style[k];
+    }.bind(this));
+      
+    this.originalTop  = this.element.offsetTop;
+    this.originalLeft = this.element.offsetLeft;
+    
+    var fontSize = this.element.getStyle('font-size') || '100%';
+    ['em','px','%','pt'].each( function(fontSizeType) {
+      if(fontSize.indexOf(fontSizeType)>0) {
+        this.fontSize     = parseFloat(fontSize);
+        this.fontSizeType = fontSizeType;
+      }
+    }.bind(this));
+    
+    this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
+    
+    this.dims = null;
+    if(this.options.scaleMode=='box')
+      this.dims = [this.element.offsetHeight, this.element.offsetWidth];
+    if(/^content/.test(this.options.scaleMode))
+      this.dims = [this.element.scrollHeight, this.element.scrollWidth];
+    if(!this.dims)
+      this.dims = [this.options.scaleMode.originalHeight,
+                   this.options.scaleMode.originalWidth];
+  },
+  update: function(position) {
+    var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
+    if(this.options.scaleContent && this.fontSize)
+      this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
+    this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
+  },
+  finish: function(position) {
+    if(this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
+  },
+  setDimensions: function(height, width) {
+    var d = {};
+    if(this.options.scaleX) d.width = Math.round(width) + 'px';
+    if(this.options.scaleY) d.height = Math.round(height) + 'px';
+    if(this.options.scaleFromCenter) {
+      var topd  = (height - this.dims[0])/2;
+      var leftd = (width  - this.dims[1])/2;
+      if(this.elementPositioning == 'absolute') {
+        if(this.options.scaleY) d.top = this.originalTop-topd + 'px';
+        if(this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
+      } else {
+        if(this.options.scaleY) d.top = -topd + 'px';
+        if(this.options.scaleX) d.left = -leftd + 'px';
+      }
+    }
+    this.element.setStyle(d);
+  }
+});
+
+Effect.Highlight = Class.create();
+Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {
+  initialize: function(element) {
+    this.element = $(element);
+    if(!this.element) throw(Effect._elementDoesNotExistError);
+    var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || {});
+    this.start(options);
+  },
+  setup: function() {
+    // Prevent executing on elements not in the layout flow
+    if(this.element.getStyle('display')=='none') { this.cancel(); return; }
+    // Disable background image during the effect
+    this.oldStyle = {};
+    if (!this.options.keepBackgroundImage) {
+      this.oldStyle.backgroundImage = this.element.getStyle('background-image');
+      this.element.setStyle({backgroundImage: 'none'});
+    }
+    if(!this.options.endcolor)
+      this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
+    if(!this.options.restorecolor)
+      this.options.restorecolor = this.element.getStyle('background-color');
+    // init color calculations
+    this._base  = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
+    this._delta = $R(0,2).map(function(i){ return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i] }.bind(this));
+  },
+  update: function(position) {
+    this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
+      return m+(Math.round(this._base[i]+(this._delta[i]*position)).toColorPart()); }.bind(this)) });
+  },
+  finish: function() {
+    this.element.setStyle(Object.extend(this.oldStyle, {
+      backgroundColor: this.options.restorecolor
+    }));
+  }
+});
+
+Effect.ScrollTo = Class.create();
+Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), {
+  initialize: function(element) {
+    this.element = $(element);
+    this.start(arguments[1] || {});
+  },
+  setup: function() {
+    Position.prepare();
+    var offsets = Position.cumulativeOffset(this.element);
+    if(this.options.offset) offsets[1] += this.options.offset;
+    var max = window.innerHeight ? 
+      window.height - window.innerHeight :
+      document.body.scrollHeight - 
+        (document.documentElement.clientHeight ? 
+          document.documentElement.clientHeight : document.body.clientHeight);
+    this.scrollStart = Position.deltaY;
+    this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;
+  },
+  update: function(position) {
+    Position.prepare();
+    window.scrollTo(Position.deltaX, 
+      this.scrollStart + (position*this.delta));
+  }
+});
+
+/* ------------- combination effects ------------- */
+
+Effect.Fade = function(element) {
+  element = $(element);
+  var oldOpacity = element.getInlineOpacity();
+  var options = Object.extend({
+  from: element.getOpacity() || 1.0,
+  to:   0.0,
+  afterFinishInternal: function(effect) { 
+    if(effect.options.to!=0) return;
+    effect.element.hide().setStyle({opacity: oldOpacity}); 
+  }}, arguments[1] || {});
+  return new Effect.Opacity(element,options);
+}
+
+Effect.Appear = function(element) {
+  element = $(element);
+  var options = Object.extend({
+  from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
+  to:   1.0,
+  // force Safari to render floated elements properly
+  afterFinishInternal: function(effect) {
+    effect.element.forceRerendering();
+  },
+  beforeSetup: function(effect) {
+    effect.element.setOpacity(effect.options.from).show(); 
+  }}, arguments[1] || {});
+  return new Effect.Opacity(element,options);
+}
+
+Effect.Puff = function(element) {
+  element = $(element);
+  var oldStyle = { 
+    opacity: element.getInlineOpacity(), 
+    position: element.getStyle('position'),
+    top:  element.style.top,
+    left: element.style.left,
+    width: element.style.width,
+    height: element.style.height
+  };
+  return new Effect.Parallel(
+   [ new Effect.Scale(element, 200, 
+      { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }), 
+     new Effect.Opacity(element, { sync: true, to: 0.0 } ) ], 
+     Object.extend({ duration: 1.0, 
+      beforeSetupInternal: function(effect) {
+        Position.absolutize(effect.effects[0].element)
+      },
+      afterFinishInternal: function(effect) {
+         effect.effects[0].element.hide().setStyle(oldStyle); }
+     }, arguments[1] || {})
+   );
+}
+
+Effect.BlindUp = function(element) {
+  element = $(element);
+  element.makeClipping();
+  return new Effect.Scale(element, 0,
+    Object.extend({ scaleContent: false, 
+      scaleX: false, 
+      restoreAfterFinish: true,
+      afterFinishInternal: function(effect) {
+        effect.element.hide().undoClipping();
+      } 
+    }, arguments[1] || {})
+  );
+}
+
+Effect.BlindDown = function(element) {
+  element = $(element);
+  var elementDimensions = element.getDimensions();
+  return new Effect.Scale(element, 100, Object.extend({ 
+    scaleContent: false, 
+    scaleX: false,
+    scaleFrom: 0,
+    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
+    restoreAfterFinish: true,
+    afterSetup: function(effect) {
+      effect.element.makeClipping().setStyle({height: '0px'}).show(); 
+    },  
+    afterFinishInternal: function(effect) {
+      effect.element.undoClipping();
+    }
+  }, arguments[1] || {}));
+}
+
+Effect.SwitchOff = function(element) {
+  element = $(element);
+  var oldOpacity = element.getInlineOpacity();
+  return new Effect.Appear(element, Object.extend({
+    duration: 0.4,
+    from: 0,
+    transition: Effect.Transitions.flicker,
+    afterFinishInternal: function(effect) {
+      new Effect.Scale(effect.element, 1, { 
+        duration: 0.3, scaleFromCenter: true,
+        scaleX: false, scaleContent: false, restoreAfterFinish: true,
+        beforeSetup: function(effect) { 
+          effect.element.makePositioned().makeClipping();
+        },
+        afterFinishInternal: function(effect) {
+          effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
+        }
+      })
+    }
+  }, arguments[1] || {}));
+}
+
+Effect.DropOut = function(element) {
+  element = $(element);
+  var oldStyle = {
+    top: element.getStyle('top'),
+    left: element.getStyle('left'),
+    opacity: element.getInlineOpacity() };
+  return new Effect.Parallel(
+    [ new Effect.Move(element, {x: 0, y: 100, sync: true }), 
+      new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
+    Object.extend(
+      { duration: 0.5,
+        beforeSetup: function(effect) {
+          effect.effects[0].element.makePositioned(); 
+        },
+        afterFinishInternal: function(effect) {
+          effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
+        } 
+      }, arguments[1] || {}));
+}
+
+Effect.Shake = function(element) {
+  element = $(element);
+  var oldStyle = {
+    top: element.getStyle('top'),
+    left: element.getStyle('left') };
+    return new Effect.Move(element, 
+      { x:  20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
+    new Effect.Move(effect.element,
+      { x: -40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
+    new Effect.Move(effect.element,
+      { x:  40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
+    new Effect.Move(effect.element,
+      { x: -40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
+    new Effect.Move(effect.element,
+      { x:  40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
+    new Effect.Move(effect.element,
+      { x: -20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
+        effect.element.undoPositioned().setStyle(oldStyle);
+  }}) }}) }}) }}) }}) }});
+}
+
+Effect.SlideDown = function(element) {
+  element = $(element).cleanWhitespace();
+  // SlideDown need to have the content of the element wrapped in a container element with fixed height!
+  var oldInnerBottom = element.down().getStyle('bottom');
+  var elementDimensions = element.getDimensions();
+  return new Effect.Scale(element, 100, Object.extend({ 
+    scaleContent: false, 
+    scaleX: false, 
+    scaleFrom: window.opera ? 0 : 1,
+    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
+    restoreAfterFinish: true,
+    afterSetup: function(effect) {
+      effect.element.makePositioned();
+      effect.element.down().makePositioned();
+      if(window.opera) effect.element.setStyle({top: ''});
+      effect.element.makeClipping().setStyle({height: '0px'}).show(); 
+    },
+    afterUpdateInternal: function(effect) {
+      effect.element.down().setStyle({bottom:
+        (effect.dims[0] - effect.element.clientHeight) + 'px' }); 
+    },
+    afterFinishInternal: function(effect) {
+      effect.element.undoClipping().undoPositioned();
+      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
+    }, arguments[1] || {})
+  );
+}
+
+Effect.SlideUp = function(element) {
+  element = $(element).cleanWhitespace();
+  var oldInnerBottom = element.down().getStyle('bottom');
+  return new Effect.Scale(element, window.opera ? 0 : 1,
+   Object.extend({ scaleContent: false, 
+    scaleX: false, 
+    scaleMode: 'box',
+    scaleFrom: 100,
+    restoreAfterFinish: true,
+    beforeStartInternal: function(effect) {
+      effect.element.makePositioned();
+      effect.element.down().makePositioned();
+      if(window.opera) effect.element.setStyle({top: ''});
+      effect.element.makeClipping().show();
+    },  
+    afterUpdateInternal: function(effect) {
+      effect.element.down().setStyle({bottom:
+        (effect.dims[0] - effect.element.clientHeight) + 'px' });
+    },
+    afterFinishInternal: function(effect) {
+      effect.element.hide().undoClipping().undoPositioned().setStyle({bottom: oldInnerBottom});
+      effect.element.down().undoPositioned();
+    }
+   }, arguments[1] || {})
+  );
+}
+
+// Bug in opera makes the TD containing this element expand for a instance after finish 
+Effect.Squish = function(element) {
+  return new Effect.Scale(element, window.opera ? 1 : 0, { 
+    restoreAfterFinish: true,
+    beforeSetup: function(effect) {
+      effect.element.makeClipping(); 
+    },  
+    afterFinishInternal: function(effect) {
+      effect.element.hide().undoClipping(); 
+    }
+  });
+}
+
+Effect.Grow = function(element) {
+  element = $(element);
+  var options = Object.extend({
+    direction: 'center',
+    moveTransition: Effect.Transitions.sinoidal,
+    scaleTransition: Effect.Transitions.sinoidal,
+    opacityTransition: Effect.Transitions.full
+  }, arguments[1] || {});
+  var oldStyle = {
+    top: element.style.top,
+    left: element.style.left,
+    height: element.style.height,
+    width: element.style.width,
+    opacity: element.getInlineOpacity() };
+
+  var dims = element.getDimensions();    
+  var initialMoveX, initialMoveY;
+  var moveX, moveY;
+  
+  switch (options.direction) {
+    case 'top-left':
+      initialMoveX = initialMoveY = moveX = moveY = 0; 
+      break;
+    case 'top-right':
+      initialMoveX = dims.width;
+      initialMoveY = moveY = 0;
+      moveX = -dims.width;
+      break;
+    case 'bottom-left':
+      initialMoveX = moveX = 0;
+      initialMoveY = dims.height;
+      moveY = -dims.height;
+      break;
+    case 'bottom-right':
+      initialMoveX = dims.width;
+      initialMoveY = dims.height;
+      moveX = -dims.width;
+      moveY = -dims.height;
+      break;
+    case 'center':
+      initialMoveX = dims.width / 2;
+      initialMoveY = dims.height / 2;
+      moveX = -dims.width / 2;
+      moveY = -dims.height / 2;
+      break;
+  }
+  
+  return new Effect.Move(element, {
+    x: initialMoveX,
+    y: initialMoveY,
+    duration: 0.01, 
+    beforeSetup: function(effect) {
+      effect.element.hide().makeClipping().makePositioned();
+    },
+    afterFinishInternal: function(effect) {
+      new Effect.Parallel(
+        [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
+          new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
+          new Effect.Scale(effect.element, 100, {
+            scaleMode: { originalHeight: dims.height, originalWidth: dims.width }, 
+            sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
+        ], Object.extend({
+             beforeSetup: function(effect) {
+               effect.effects[0].element.setStyle({height: '0px'}).show(); 
+             },
+             afterFinishInternal: function(effect) {
+               effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle); 
+             }
+           }, options)
+      )
+    }
+  });
+}
+
+Effect.Shrink = function(element) {
+  element = $(element);
+  var options = Object.extend({
+    direction: 'center',
+    moveTransition: Effect.Transitions.sinoidal,
+    scaleTransition: Effect.Transitions.sinoidal,
+    opacityTransition: Effect.Transitions.none
+  }, arguments[1] || {});
+  var oldStyle = {
+    top: element.style.top,
+    left: element.style.left,
+    height: element.style.height,
+    width: element.style.width,
+    opacity: element.getInlineOpacity() };
+
+  var dims = element.getDimensions();
+  var moveX, moveY;
+  
+  switch (options.direction) {
+    case 'top-left':
+      moveX = moveY = 0;
+      break;
+    case 'top-right':
+      moveX = dims.width;
+      moveY = 0;
+      break;
+    case 'bottom-left':
+      moveX = 0;
+      moveY = dims.height;
+      break;
+    case 'bottom-right':
+      moveX = dims.width;
+      moveY = dims.height;
+      break;
+    case 'center':  
+      moveX = dims.width / 2;
+      moveY = dims.height / 2;
+      break;
+  }
+  
+  return new Effect.Parallel(
+    [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
+      new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
+      new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
+    ], Object.extend({            
+         beforeStartInternal: function(effect) {
+           effect.effects[0].element.makePositioned().makeClipping(); 
+         },
+         afterFinishInternal: function(effect) {
+           effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
+       }, options)
+  );
+}
+
+Effect.Pulsate = function(element) {
+  element = $(element);
+  var options    = arguments[1] || {};
+  var oldOpacity = element.getInlineOpacity();
+  var transition = options.transition || Effect.Transitions.sinoidal;
+  var reverser   = function(pos){ return transition(1-Effect.Transitions.pulse(pos, options.pulses)) };
+  reverser.bind(transition);
+  return new Effect.Opacity(element, 
+    Object.extend(Object.extend({  duration: 2.0, from: 0,
+      afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
+    }, options), {transition: reverser}));
+}
+
+Effect.Fold = function(element) {
+  element = $(element);
+  var oldStyle = {
+    top: element.style.top,
+    left: element.style.left,
+    width: element.style.width,
+    height: element.style.height };
+  element.makeClipping();
+  return new Effect.Scale(element, 5, Object.extend({   
+    scaleContent: false,
+    scaleX: false,
+    afterFinishInternal: function(effect) {
+    new Effect.Scale(element, 1, { 
+      scaleContent: false, 
+      scaleY: false,
+      afterFinishInternal: function(effect) {
+        effect.element.hide().undoClipping().setStyle(oldStyle);
+      } });
+  }}, arguments[1] || {}));
+};
+
+Effect.Morph = Class.create();
+Object.extend(Object.extend(Effect.Morph.prototype, Effect.Base.prototype), {
+  initialize: function(element) {
+    this.element = $(element);
+    if(!this.element) throw(Effect._elementDoesNotExistError);
+    var options = Object.extend({
+      style: {}
+    }, arguments[1] || {});
+    if (typeof options.style == 'string') {
+      if(options.style.indexOf(':') == -1) {
+        var cssText = '', selector = '.' + options.style;
+        $A(document.styleSheets).reverse().each(function(styleSheet) {
+          if (styleSheet.cssRules) cssRules = styleSheet.cssRules;
+          else if (styleSheet.rules) cssRules = styleSheet.rules;
+          $A(cssRules).reverse().each(function(rule) {
+            if (selector == rule.selectorText) {
+              cssText = rule.style.cssText;
+              throw $break;
+            }
+          });
+          if (cssText) throw $break;
+        });
+        this.style = cssText.parseStyle();
+        options.afterFinishInternal = function(effect){
+          effect.element.addClassName(effect.options.style);
+          effect.transforms.each(function(transform) {
+            if(transform.style != 'opacity')
+              effect.element.style[transform.style.camelize()] = '';
+          });
+        }
+      } else this.style = options.style.parseStyle();
+    } else this.style = $H(options.style)
+    this.start(options);
+  },
+  setup: function(){
+    function parseColor(color){
+      if(!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
+      color = color.parseColor();
+      return $R(0,2).map(function(i){
+        return parseInt( color.slice(i*2+1,i*2+3), 16 ) 
+      });
+    }
+    this.transforms = this.style.map(function(pair){
+      var property = pair[0].underscore().dasherize(), value = pair[1], unit = null;
+
+      if(value.parseColor('#zzzzzz') != '#zzzzzz') {
+        value = value.parseColor();
+        unit  = 'color';
+      } else if(property == 'opacity') {
+        value = parseFloat(value);
+        if(/MSIE/.test(navigator.userAgent) && !window.opera && (!this.element.currentStyle.hasLayout))
+          this.element.setStyle({zoom: 1});
+      } else if(Element.CSS_LENGTH.test(value)) 
+        var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/),
+          value = parseFloat(components[1]), unit = (components.length == 3) ? components[2] : null;
+
+      var originalValue = this.element.getStyle(property);
+      return $H({ 
+        style: property, 
+        originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0), 
+        targetValue: unit=='color' ? parseColor(value) : value,
+        unit: unit
+      });
+    }.bind(this)).reject(function(transform){
+      return (
+        (transform.originalValue == transform.targetValue) ||
+        (
+          transform.unit != 'color' &&
+          (isNaN(transform.originalValue) || isNaN(transform.targetValue))
+        )
+      )
+    });
+  },
+  update: function(position) {
+    var style = $H(), value = null;
+    this.transforms.each(function(transform){
+      value = transform.unit=='color' ?
+        $R(0,2).inject('#',function(m,v,i){
+          return m+(Math.round(transform.originalValue[i]+
+            (transform.targetValue[i] - transform.originalValue[i])*position)).toColorPart() }) : 
+        transform.originalValue + Math.round(
+          ((transform.targetValue - transform.originalValue) * position) * 1000)/1000 + transform.unit;
+      style[transform.style] = value;
+    });
+    this.element.setStyle(style);
+  }
+});
+
+Effect.Transform = Class.create();
+Object.extend(Effect.Transform.prototype, {
+  initialize: function(tracks){
+    this.tracks  = [];
+    this.options = arguments[1] || {};
+    this.addTracks(tracks);
+  },
+  addTracks: function(tracks){
+    tracks.each(function(track){
+      var data = $H(track).values().first();
+      this.tracks.push($H({
+        ids:     $H(track).keys().first(),
+        effect:  Effect.Morph,
+        options: { style: data }
+      }));
+    }.bind(this));
+    return this;
+  },
+  play: function(){
+    return new Effect.Parallel(
+      this.tracks.map(function(track){
+        var elements = [$(track.ids) || $$(track.ids)].flatten();
+        return elements.map(function(e){ return new track.effect(e, Object.extend({ sync:true }, track.options)) });
+      }).flatten(),
+      this.options
+    );
+  }
+});
+
+Element.CSS_PROPERTIES = $w(
+  'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' + 
+  'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
+  'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
+  'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
+  'fontSize fontWeight height left letterSpacing lineHeight ' +
+  'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
+  'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
+  'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
+  'right textIndent top width wordSpacing zIndex');
+  
+Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
+
+String.prototype.parseStyle = function(){
+  var element = Element.extend(document.createElement('div'));
+  element.innerHTML = '<div style="' + this + '"></div>';
+  var style = element.down().style, styleRules = $H();
+  
+  Element.CSS_PROPERTIES.each(function(property){
+    if(style[property]) styleRules[property] = style[property]; 
+  });
+  if(/MSIE/.test(navigator.userAgent) && !window.opera && this.indexOf('opacity') > -1) {
+    styleRules.opacity = this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1];
+  }
+  return styleRules;
+};
+
+Element.morph = function(element, style) {
+  new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || {}));
+  return element;
+};
+
+['setOpacity','getOpacity','getInlineOpacity','forceRerendering','setContentZoom',
+ 'collectTextNodes','collectTextNodesIgnoreClass','morph'].each( 
+  function(f) { Element.Methods[f] = Element[f]; }
+);
+
+Element.Methods.visualEffect = function(element, effect, options) {
+  s = effect.gsub(/_/, '-').camelize();
+  effect_class = s.charAt(0).toUpperCase() + s.substring(1);
+  new Effect[effect_class](element, options);
+  return $(element);
+};
+
+Element.addMethods();
\ No newline at end of file
diff --git a/typo3/contrib/scriptaculous/scriptaculous.js b/typo3/contrib/scriptaculous/scriptaculous.js
new file mode 100644 (file)
index 0000000..585313c
--- /dev/null
@@ -0,0 +1,51 @@
+// script.aculo.us scriptaculous.js v1.7.0, Fri Jan 19 19:16:36 CET 2007
+
+// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+// For details, see the script.aculo.us web site: http://script.aculo.us/
+
+var Scriptaculous = {
+  Version: '1.7.0',
+  require: function(libraryName) {
+    // inserting via DOM fails in Safari 2.0, so brute force approach
+    document.write('<script type="text/javascript" src="'+libraryName+'"></script>');
+  },
+  load: function() {
+    if((typeof Prototype=='undefined') || 
+       (typeof Element == 'undefined') || 
+       (typeof Element.Methods=='undefined') ||
+       parseFloat(Prototype.Version.split(".")[0] + "." +
+                  Prototype.Version.split(".")[1]) < 1.5)
+       throw("script.aculo.us requires the Prototype JavaScript framework >= 1.5.0");
+    
+    $A(document.getElementsByTagName("script")).findAll( function(s) {
+      return (s.src && s.src.match(/scriptaculous\.js(\?.*)?$/))
+    }).each( function(s) {
+      var path = s.src.replace(/scriptaculous\.js(\?.*)?$/,'');
+      var includes = s.src.match(/\?.*load=([a-z,]*)/);
+      (includes ? includes[1] : 'builder,effects,dragdrop,controls,slider').split(',').each(
+       function(include) { Scriptaculous.require(path+include+'.js') });
+    });
+  }
+}
+
+Scriptaculous.load();
\ No newline at end of file
diff --git a/typo3/contrib/scriptaculous/slider.js b/typo3/contrib/scriptaculous/slider.js
new file mode 100644 (file)
index 0000000..f24f282
--- /dev/null
@@ -0,0 +1,278 @@
+// script.aculo.us slider.js v1.7.0, Fri Jan 19 19:16:36 CET 2007
+
+// Copyright (c) 2005, 2006 Marty Haught, Thomas Fuchs 
+//
+// script.aculo.us is freely distributable under the terms of an MIT-style license.
+// For details, see the script.aculo.us web site: http://script.aculo.us/
+
+if(!Control) var Control = {};
+Control.Slider = Class.create();
+
+// options:
+//  axis: 'vertical', or 'horizontal' (default)
+//
+// callbacks:
+//  onChange(value)
+//  onSlide(value)
+Control.Slider.prototype = {
+  initialize: function(handle, track, options) {
+    var slider = this;
+    
+    if(handle instanceof Array) {
+      this.handles = handle.collect( function(e) { return $(e) });
+    } else {
+      this.handles = [$(handle)];
+    }
+    
+    this.track   = $(track);
+    this.options = options || {};
+
+    this.axis      = this.options.axis || 'horizontal';
+    this.increment = this.options.increment || 1;
+    this.step      = parseInt(this.options.step || '1');
+    this.range     = this.options.range || $R(0,1);
+    
+    this.value     = 0; // assure backwards compat
+    this.values    = this.handles.map( function() { return 0 });
+    this.spans     = this.options.spans ? this.options.spans.map(function(s){ return $(s) }) : false;
+    this.options.startSpan = $(this.options.startSpan || null);
+    this.options.endSpan   = $(this.options.endSpan || null);
+
+    this.restricted = this.options.restricted || false;
+
+    this.maximum   = this.options.maximum || this.range.end;
+    this.minimum   = this.options.minimum || this.range.start;
+
+    // Will be used to align the handle onto the track, if necessary
+    this.alignX = parseInt(this.options.alignX || '0');
+    this.alignY = parseInt(this.options.alignY || '0');
+    
+    this.trackLength = this.maximumOffset() - this.minimumOffset();
+
+    this.handleLength = this.isVertical() ? 
+      (this.handles[0].offsetHeight != 0 ? 
+        this.handles[0].offsetHeight : this.handles[0].style.height.replace(/px$/,"")) : 
+      (this.handles[0].offsetWidth != 0 ? this.handles[0].offsetWidth : 
+        this.handles[0].style.width.replace(/px$/,""));
+
+    this.active   = false;
+    this.dragging = false;
+    this.disabled = false;
+
+    if(this.options.disabled) this.setDisabled();
+
+    // Allowed values array
+    this.allowedValues = this.options.values ? this.options.values.sortBy(Prototype.K) : false;
+    if(this.allowedValues) {
+      this.minimum = this.allowedValues.min();
+      this.maximum = this.allowedValues.max();
+    }
+
+    this.eventMouseDown = this.startDrag.bindAsEventListener(this);
+    this.eventMouseUp   = this.endDrag.bindAsEventListener(this);
+    this.eventMouseMove = this.update.bindAsEventListener(this);
+
+    // Initialize handles in reverse (make sure first handle is active)
+    this.handles.each( function(h,i) {
+      i = slider.handles.length-1-i;
+      slider.setValue(parseFloat(
+        (slider.options.sliderValue instanceof Array ? 
+          slider.options.sliderValue[i] : slider.options.sliderValue) || 
+         slider.range.start), i);
+      Element.makePositioned(h); // fix IE
+      Event.observe(h, "mousedown", slider.eventMouseDown);
+    });
+    
+    Event.observe(this.track, "mousedown", this.eventMouseDown);
+    Event.observe(document, "mouseup", this.eventMouseUp);
+    Event.observe(document, "mousemove", this.eventMouseMove);
+    
+    this.initialized = true;
+  },
+  dispose: function() {
+    var slider = this;    
+    Event.stopObserving(this.track, "mousedown", this.eventMouseDown);
+    Event.stopObserving(document, "mouseup", this.eventMouseUp);
+    Event.stopObserving(document, "mousemove", this.eventMouseMove);
+    this.handles.each( function(h) {
+      Event.stopObserving(h, "mousedown", slider.eventMouseDown);
+    });
+  },
+  setDisabled: function(){
+    this.disabled = true;
+  },
+  setEnabled: function(){
+    this.disabled = false;
+  },  
+  getNearestValue: function(value){
+    if(this.allowedValues){
+      if(value >= this.allowedValues.max()) return(this.allowedValues.max());
+      if(value <= this.allowedValues.min()) return(this.allowedValues.min());
+      
+      var offset = Math.abs(this.allowedValues[0] - value);
+      var newValue = this.allowedValues[0];
+      this.allowedValues.each( function(v) {
+        var currentOffset = Math.abs(v - value);
+        if(currentOffset <= offset){
+          newValue = v;
+          offset = currentOffset;
+        } 
+      });
+      return newValue;
+    }
+    if(value > this.range.end) return this.range.end;
+    if(value < this.range.start) return this.range.start;
+    return value;
+  },
+  setValue: function(sliderValue, handleIdx){
+    if(!this.active) {
+      this.activeHandleIdx = handleIdx || 0;
+      this.activeHandle    = this.handles[this.activeHandleIdx];
+      this.updateStyles();
+    }
+    handleIdx = handleIdx || this.activeHandleIdx || 0;
+    if(this.initialized && this.restricted) {
+      if((handleIdx>0) && (sliderValue<this.values[handleIdx-1]))
+        sliderValue = this.values[handleIdx-1];
+      if((handleIdx < (this.handles.length-1)) && (sliderValue>this.values[handleIdx+1]))
+        sliderValue = this.values[handleIdx+1];
+    }
+    sliderValue = this.getNearestValue(sliderValue);
+    this.values[handleIdx] = sliderValue;
+    this.value = this.values[0]; // assure backwards compat
+    
+    this.handles[handleIdx].style[this.isVertical() ? 'top' : 'left'] = 
+      this.translateToPx(sliderValue);
+    
+    this.drawSpans();
+    if(!this.dragging || !this.event) this.updateFinished();
+  },
+  setValueBy: function(delta, handleIdx) {
+    this.setValue(this.values[handleIdx || this.activeHandleIdx || 0] + delta, 
+      handleIdx || this.activeHandleIdx || 0);
+  },
+  translateToPx: function(value) {
+    return Math.round(
+      ((this.trackLength-this.handleLength)/(this.range.end-this.range.start)) * 
+      (value - this.range.start)) + "px";
+  },
+  translateToValue: function(offset) {
+    return ((offset/(this.trackLength-this.handleLength) * 
+      (this.range.end-this.range.start)) + this.range.start);
+  },
+  getRange: function(range) {
+    var v = this.values.sortBy(Prototype.K); 
+    range = range || 0;
+    return $R(v[range],v[range+1]);
+  },
+  minimumOffset: function(){
+    return(this.isVertical() ? this.alignY : this.alignX);
+  },
+  maximumOffset: function(){
+    return(this.isVertical() ? 
+      (this.track.offsetHeight != 0 ? this.track.offsetHeight :
+        this.track.style.height.replace(/px$/,"")) - this.alignY : 
+      (this.track.offsetWidth != 0 ? this.track.offsetWidth : 
+        this.track.style.width.replace(/px$/,"")) - this.alignY);
+  },  
+  isVertical:  function(){
+    return (this.axis == 'vertical');
+  },
+  drawSpans: function() {
+    var slider = this;
+    if(this.spans)
+      $R(0, this.spans.length-1).each(function(r) { slider.setSpan(slider.spans[r], slider.getRange(r)) });
+    if(this.options.startSpan)
+      this.setSpan(this.options.startSpan,
+        $R(0, this.values.length>1 ? this.getRange(0).min() : this.value ));
+    if(this.options.endSpan)
+      this.setSpan(this.options.endSpan, 
+        $R(this.values.length>1 ? this.getRange(this.spans.length-1).max() : this.value, this.maximum));
+  },
+  setSpan: function(span, range) {
+    if(this.isVertical()) {
+      span.style.top = this.translateToPx(range.start);
+      span.style.height = this.translateToPx(range.end - range.start + this.range.start);
+    } else {
+      span.style.left = this.translateToPx(range.start);
+      span.style.width = this.translateToPx(range.end - range.start + this.range.start);
+    }
+  },
+  updateStyles: function() {
+    this.handles.each( function(h){ Element.removeClassName(h, 'selected') });
+    Element.addClassName(this.activeHandle, 'selected');
+  },
+  startDrag: function(event) {
+    if(Event.isLeftClick(event)) {
+      if(!this.disabled){
+        this.active = true;
+        
+        var handle = Event.element(event);
+        var pointer  = [Event.pointerX(event), Event.pointerY(event)];
+        var track = handle;
+        if(track==this.track) {
+          var offsets  = Position.cumulativeOffset(this.track); 
+          this.event = event;
+          this.setValue(this.translateToValue( 
+           (this.isVertical() ? pointer[1]-offsets[1] : pointer[0]-offsets[0])-(this.handleLength/2)
+          ));
+          var offsets  = Position.cumulativeOffset(this.activeHandle);
+          this.offsetX = (pointer[0] - offsets[0]);
+          this.offsetY = (pointer[1] - offsets[1]);
+        } else {
+          // find the handle (prevents issues with Safari)
+          while((this.handles.indexOf(handle) == -1) && handle.parentNode) 
+            handle = handle.parentNode;
+            
+          if(this.handles.indexOf(handle)!=-1) {
+            this.activeHandle    = handle;
+            this.activeHandleIdx = this.handles.indexOf(this.activeHandle);
+            this.updateStyles();
+            
+            var offsets  = Position.cumulativeOffset(this.activeHandle);
+            this.offsetX = (pointer[0] - offsets[0]);
+            this.offsetY = (pointer[1] - offsets[1]);
+          }
+        }
+      }
+      Event.stop(event);
+    }
+  },
+  update: function(event) {
+   if(this.active) {
+      if(!this.dragging) this.dragging = true;
+      this.draw(event);
+      // fix AppleWebKit rendering
+      if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
+      Event.stop(event);
+   }
+  },
+  draw: function(event) {
+    var pointer = [Event.pointerX(event), Event.pointerY(event)];
+    var offsets = Position.cumulativeOffset(this.track);
+    pointer[0] -= this.offsetX + offsets[0];
+    pointer[1] -= this.offsetY + offsets[1];
+    this.event = event;
+    this.setValue(this.translateToValue( this.isVertical() ? pointer[1] : pointer[0] ));
+    if(this.initialized && this.options.onSlide)
+      this.options.onSlide(this.values.length>1 ? this.values : this.value, this);
+  },
+  endDrag: function(event) {
+    if(this.active && this.dragging) {
+      this.finishDrag(event, true);
+      Event.stop(event);
+    }
+    this.active = false;
+    this.dragging = false;
+  },  
+  finishDrag: function(event, success) {
+    this.active = false;
+    this.dragging = false;
+    this.updateFinished();
+  },
+  updateFinished: function() {
+    if(this.initialized && this.options.onChange) 
+      this.options.onChange(this.values.length>1 ? this.values : this.value, this);
+    this.event = null;
+  }
+}
\ No newline at end of file
diff --git a/typo3/contrib/scriptaculous/unittest.js b/typo3/contrib/scriptaculous/unittest.js
new file mode 100644 (file)
index 0000000..a447885
--- /dev/null
@@ -0,0 +1,564 @@
+// script.aculo.us unittest.js v1.7.0, Fri Jan 19 19:16:36 CET 2007
+
+// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+//           (c) 2005, 2006 Jon Tirsen (http://www.tirsen.com)
+//           (c) 2005, 2006 Michael Schuerig (http://www.schuerig.de/michael/)
+//
+// script.aculo.us is freely distributable under the terms of an MIT-style license.
+// For details, see the script.aculo.us web site: http://script.aculo.us/
+
+// experimental, Firefox-only
+Event.simulateMouse = function(element, eventName) {
+  var options = Object.extend({
+    pointerX: 0,
+    pointerY: 0,
+    buttons:  0,
+    ctrlKey:  false,
+    altKey:   false,
+    shiftKey: false,
+    metaKey:  false
+  }, arguments[2] || {});
+  var oEvent = document.createEvent("MouseEvents");
+  oEvent.initMouseEvent(eventName, true, true, document.defaultView, 
+    options.buttons, options.pointerX, options.pointerY, options.pointerX, options.pointerY, 
+    options.ctrlKey, options.altKey, options.shiftKey, options.metaKey, 0, $(element));
+  
+  if(this.mark) Element.remove(this.mark);
+  this.mark = document.createElement('div');
+  this.mark.appendChild(document.createTextNode(" "));
+  document.body.appendChild(this.mark);
+  this.mark.style.position = 'absolute';
+  this.mark.style.top = options.pointerY + "px";
+  this.mark.style.left = options.pointerX + "px";
+  this.mark.style.width = "5px";
+  this.mark.style.height = "5px;";
+  this.mark.style.borderTop = "1px solid red;"
+  this.mark.style.borderLeft = "1px solid red;"
+  
+  if(this.step)
+    alert('['+new Date().getTime().toString()+'] '+eventName+'/'+Test.Unit.inspect(options));
+  
+  $(element).dispatchEvent(oEvent);
+};
+
+// Note: Due to a fix in Firefox 1.0.5/6 that probably fixed "too much", this doesn't work in 1.0.6 or DP2.
+// You need to downgrade to 1.0.4 for now to get this working
+// See https://bugzilla.mozilla.org/show_bug.cgi?id=289940 for the fix that fixed too much
+Event.simulateKey = function(element, eventName) {
+  var options = Object.extend({
+    ctrlKey: false,
+    altKey: false,
+    shiftKey: false,
+    metaKey: false,
+    keyCode: 0,
+    charCode: 0
+  }, arguments[2] || {});
+
+  var oEvent = document.createEvent("KeyEvents");
+  oEvent.initKeyEvent(eventName, true, true, window, 
+    options.ctrlKey, options.altKey, options.shiftKey, options.metaKey,
+    options.keyCode, options.charCode );
+  $(element).dispatchEvent(oEvent);
+};
+
+Event.simulateKeys = function(element, command) {
+  for(var i=0; i<command.length; i++) {
+    Event.simulateKey(element,'keypress',{charCode:command.charCodeAt(i)});
+  }
+};
+
+var Test = {}
+Test.Unit = {};
+
+// security exception workaround
+Test.Unit.inspect = Object.inspect;
+
+Test.Unit.Logger = Class.create();
+Test.Unit.Logger.prototype = {
+  initialize: function(log) {
+    this.log = $(log);
+    if (this.log) {
+      this._createLogTable();
+    }
+  },
+  start: function(testName) {
+    if (!this.log) return;
+    this.testName = testName;
+    this.lastLogLine = document.createElement('tr');
+    this.statusCell = document.createElement('td');
+    this.nameCell = document.createElement('td');
+    this.nameCell.className = "nameCell";
+    this.nameCell.appendChild(document.createTextNode(testName));
+    this.messageCell = document.createElement('td');
+    this.lastLogLine.appendChild(this.statusCell);
+    this.lastLogLine.appendChild(this.nameCell);
+    this.lastLogLine.appendChild(this.messageCell);
+    this.loglines.appendChild(this.lastLogLine);
+  },
+  finish: function(status, summary) {
+    if (!this.log) return;
+    this.lastLogLine.className = status;
+    this.statusCell.innerHTML = status;
+    this.messageCell.innerHTML = this._toHTML(summary);
+    this.addLinksToResults();
+  },
+  message: function(message) {
+    if (!this.log) return;
+    this.messageCell.innerHTML = this._toHTML(message);
+  },
+  summary: function(summary) {
+    if (!this.log) return;
+    this.logsummary.innerHTML = this._toHTML(summary);
+  },
+  _createLogTable: function() {
+    this.log.innerHTML =
+    '<div id="logsummary"></div>' +
+    '<table id="logtable">' +
+    '<thead><tr><th>Status</th><th>Test</th><th>Message</th></tr></thead>' +
+    '<tbody id="loglines"></tbody>' +
+    '</table>';
+    this.logsummary = $('logsummary')
+    this.loglines = $('loglines');
+  },
+  _toHTML: function(txt) {
+    return txt.escapeHTML().replace(/\n/g,"<br/>");
+  },
+  addLinksToResults: function(){ 
+    $$("tr.failed .nameCell").each( function(td){ // todo: limit to children of this.log
+      td.title = "Run only this test"
+      Event.observe(td, 'click', function(){ window.location.search = "?tests=" + td.innerHTML;});
+    });
+    $$("tr.passed .nameCell").each( function(td){ // todo: limit to children of this.log
+      td.title = "Run all tests"
+      Event.observe(td, 'click', function(){ window.location.search = "";});
+    });
+  }
+}
+
+Test.Unit.Runner = Class.create();
+Test.Unit.Runner.prototype = {
+  initialize: function(testcases) {
+    this.options = Object.extend({
+      testLog: 'testlog'
+    }, arguments[1] || {});
+    this.options.resultsURL = this.parseResultsURLQueryParameter();
+    this.options.tests      = this.parseTestsQueryParameter();
+    if (this.options.testLog) {
+      this.options.testLog = $(this.options.testLog) || null;
+    }
+    if(this.options.tests) {
+      this.tests = [];
+      for(var i = 0; i < this.options.tests.length; i++) {
+        if(/^test/.test(this.options.tests[i])) {
+          this.tests.push(new Test.Unit.Testcase(this.options.tests[i], testcases[this.options.tests[i]], testcases["setup"], testcases["teardown"]));
+        }
+      }
+    } else {
+      if (this.options.test) {
+        this.tests = [new Test.Unit.Testcase(this.options.test, testcases[this.options.test], testcases["setup"], testcases["teardown"])];
+      } else {
+        this.tests = [];
+        for(var testcase in testcases) {
+          if(/^test/.test(testcase)) {
+            this.tests.push(
+               new Test.Unit.Testcase(
+                 this.options.context ? ' -> ' + this.options.titles[testcase] : testcase, 
+                 testcases[testcase], testcases["setup"], testcases["teardown"]
+               ));
+          }
+        }
+      }
+    }
+    this.currentTest = 0;
+    this.logger = new Test.Unit.Logger(this.options.testLog);
+    setTimeout(this.runTests.bind(this), 1000);
+  },
+  parseResultsURLQueryParameter: function() {
+    return window.location.search.parseQuery()["resultsURL"];
+  },
+  parseTestsQueryParameter: function(){
+    if (window.location.search.parseQuery()["tests"]){
+        return window.location.search.parseQuery()["tests"].split(',');
+    };
+  },
+  // Returns:
+  //  "ERROR" if there was an error,
+  //  "FAILURE" if there was a failure, or
+  //  "SUCCESS" if there was neither
+  getResult: function() {
+    var hasFailure = false;
+    for(var i=0;i<this.tests.length;i++) {
+      if (this.tests[i].errors > 0) {
+        return "ERROR";
+      }
+      if (this.tests[i].failures > 0) {
+        hasFailure = true;
+      }
+    }
+    if (hasFailure) {
+      return "FAILURE";
+    } else {
+      return "SUCCESS";
+    }
+  },
+  postResults: function() {
+    if (this.options.resultsURL) {
+      new Ajax.Request(this.options.resultsURL, 
+        { method: 'get', parameters: 'result=' + this.getResult(), asynchronous: false });
+    }
+  },
+  runTests: function() {
+    var test = this.tests[this.currentTest];
+    if (!test) {
+      // finished!
+      this.postResults();
+      this.logger.summary(this.summary());
+      return;
+    }
+    if(!test.isWaiting) {
+      this.logger.start(test.name);
+    }
+    test.run();
+    if(test.isWaiting) {
+      this.logger.message("Waiting for " + test.timeToWait + "ms");
+      setTimeout(this.runTests.bind(this), test.timeToWait || 1000);
+    } else {
+      this.logger.finish(test.status(), test.summary());
+      this.currentTest++;
+      // tail recursive, hopefully the browser will skip the stackframe
+      this.runTests();
+    }
+  },
+  summary: function() {
+    var assertions = 0;
+    var failures = 0;
+    var errors = 0;
+    var messages = [];
+    for(var i=0;i<this.tests.length;i++) {
+      assertions +=   this.tests[i].assertions;
+      failures   +=   this.tests[i].failures;
+      errors     +=   this.tests[i].errors;
+    }
+    return (
+      (this.options.context ? this.options.context + ': ': '') + 
+      this.tests.length + " tests, " + 
+      assertions + " assertions, " + 
+      failures   + " failures, " +
+      errors     + " errors");
+  }
+}
+
+Test.Unit.Assertions = Class.create();
+Test.Unit.Assertions.prototype = {
+  initialize: function() {
+    this.assertions = 0;
+    this.failures   = 0;
+    this.errors     = 0;
+    this.messages   = [];
+  },
+  summary: function() {
+    return (
+      this.assertions + " assertions, " + 
+      this.failures   + " failures, " +
+      this.errors     + " errors" + "\n" +
+      this.messages.join("\n"));
+  },
+  pass: function() {
+    this.assertions++;
+  },
+  fail: function(message) {
+    this.failures++;
+    this.messages.push("Failure: " + message);
+  },
+  info: function(message) {
+    this.messages.push("Info: " + message);
+  },
+  error: function(error) {
+    this.errors++;
+    this.messages.push(error.name + ": "+ error.message + "(" + Test.Unit.inspect(error) +")");
+  },
+  status: function() {
+    if (this.failures > 0) return 'failed';
+    if (this.errors > 0) return 'error';
+    return 'passed';
+  },
+  assert: function(expression) {
+    var message = arguments[1] || 'assert: got "' + Test.Unit.inspect(expression) + '"';
+    try { expression ? this.pass() : 
+      this.fail(message); }
+    catch(e) { this.error(e); }
+  },
+  assertEqual: function(expected, actual) {
+    var message = arguments[2] || "assertEqual";
+    try { (expected == actual) ? this.pass() :
+      this.fail(message + ': expected "' + Test.Unit.inspect(expected) + 
+        '", actual "' + Test.Unit.inspect(actual) + '"'); }
+    catch(e) { this.error(e); }
+  },
+  assertInspect: function(expected, actual) {
+    var message = arguments[2] || "assertInspect";
+    try { (expected == actual.inspect()) ? this.pass() :
+      this.fail(message + ': expected "' + Test.Unit.inspect(expected) + 
+        '", actual "' + Test.Unit.inspect(actual) + '"'); }
+    catch(e) { this.error(e); }
+  },
+  assertEnumEqual: function(expected, actual) {
+    var message = arguments[2] || "assertEnumEqual";
+    try { $A(expected).length == $A(actual).length && 
+      expected.zip(actual).all(function(pair) { return pair[0] == pair[1] }) ?
+        this.pass() : this.fail(message + ': expected ' + Test.Unit.inspect(expected) + 
+          ', actual ' + Test.Unit.inspect(actual)); }
+    catch(e) { this.error(e); }
+  },
+  assertNotEqual: function(expected, actual) {
+    var message = arguments[2] || "assertNotEqual";
+    try { (expected != actual) ? this.pass() : 
+      this.fail(message + ': got "' + Test.Unit.inspect(actual) + '"'); }
+    catch(e) { this.error(e); }
+  },
+  assertIdentical: function(expected, actual) { 
+    var message = arguments[2] || "assertIdentical"; 
+    try { (expected === actual) ? this.pass() : 
+      this.fail(message + ': expected "' + Test.Unit.inspect(expected) +  
+        '", actual "' + Test.Unit.inspect(actual) + '"'); } 
+    catch(e) { this.error(e); } 
+  },
+  assertNotIdentical: function(expected, actual) { 
+    var message = arguments[2] || "assertNotIdentical"; 
+    try { !(expected === actual) ? this.pass() : 
+      this.fail(message + ': expected "' + Test.Unit.inspect(expected) +  
+        '", actual "' + Test.Unit.inspect(actual) + '"'); } 
+    catch(e) { this.error(e); } 
+  },
+  assertNull: function(obj) {
+    var message = arguments[1] || 'assertNull'
+    try { (obj==null) ? this.pass() : 
+      this.fail(message + ': got "' + Test.Unit.inspect(obj) + '"'); }
+    catch(e) { this.error(e); }
+  },
+  assertMatch: function(expected, actual) {
+    var message = arguments[2] || 'assertMatch';
+    var regex = new RegExp(expected);
+    try { (regex.exec(actual)) ? this.pass() :
+      this.fail(message + ' : regex: "' +  Test.Unit.inspect(expected) + ' did not match: ' + Test.Unit.inspect(actual) + '"'); }
+    catch(e) { this.error(e); }
+  },
+  assertHidden: function(element) {
+    var message = arguments[1] || 'assertHidden';
+    this.assertEqual("none", element.style.display, message);
+  },
+  assertNotNull: function(object) {
+    var message = arguments[1] || 'assertNotNull';
+    this.assert(object != null, message);
+  },
+  assertType: function(expected, actual) {
+    var message = arguments[2] || 'assertType';
+    try { 
+      (actual.constructor == expected) ? this.pass() : 
+      this.fail(message + ': expected "' + Test.Unit.inspect(expected) +  
+        '", actual "' + (actual.constructor) + '"'); }
+    catch(e) { this.error(e); }
+  },
+  assertNotOfType: function(expected, actual) {
+    var message = arguments[2] || 'assertNotOfType';
+    try { 
+      (actual.constructor != expected) ? this.pass() : 
+      this.fail(message + ': expected "' + Test.Unit.inspect(expected) +  
+        '", actual "' + (actual.constructor) + '"'); }
+    catch(e) { this.error(e); }
+  },
+  assertInstanceOf: function(expected, actual) {
+    var message = arguments[2] || 'assertInstanceOf';
+    try { 
+      (actual instanceof expected) ? this.pass() : 
+      this.fail(message + ": object was not an instance of the expected type"); }
+    catch(e) { this.error(e); } 
+  },
+  assertNotInstanceOf: function(expected, actual) {
+    var message = arguments[2] || 'assertNotInstanceOf';
+    try { 
+      !(actual instanceof expected) ? this.pass() : 
+      this.fail(message + ": object was an instance of the not expected type"); }
+    catch(e) { this.error(e); } 
+  },
+  assertRespondsTo: function(method, obj) {
+    var message = arguments[2] || 'assertRespondsTo';
+    try {
+      (obj[method] && typeof obj[method] == 'function') ? this.pass() : 
+      this.fail(message + ": object doesn't respond to [" + method + "]"); }
+    catch(e) { this.error(e); }
+  },
+  assertReturnsTrue: function(method, obj) {
+    var message = arguments[2] || 'assertReturnsTrue';
+    try {
+      var m = obj[method];
+      if(!m) m = obj['is'+method.charAt(0).toUpperCase()+method.slice(1)];
+      m() ? this.pass() : 
+      this.fail(message + ": method returned false"); }
+    catch(e) { this.error(e); }
+  },
+  assertReturnsFalse: function(method, obj) {
+    var message = arguments[2] || 'assertReturnsFalse';
+    try {
+      var m = obj[method];
+      if(!m) m = obj['is'+method.charAt(0).toUpperCase()+method.slice(1)];
+      !m() ? this.pass() : 
+      this.fail(message + ": method returned true"); }
+    catch(e) { this.error(e); }
+  },
+  assertRaise: function(exceptionName, method) {
+    var message = arguments[2] || 'assertRaise';
+    try { 
+      method();
+      this.fail(message + ": exception expected but none was raised"); }
+    catch(e) {
+      ((exceptionName == null) || (e.name==exceptionName)) ? this.pass() : this.error(e); 
+    }
+  },
+  assertElementsMatch: function() {
+    var expressions = $A(arguments), elements = $A(expressions.shift());
+    if (elements.length != expressions.length) {
+      this.fail('assertElementsMatch: size mismatch: ' + elements.length + ' elements, ' + expressions.length + ' expressions');
+      return false;
+    }
+    elements.zip(expressions).all(function(pair, index) {
+      var element = $(pair.first()), expression = pair.last();
+      if (element.match(expression)) return true;
+      this.fail('assertElementsMatch: (in index ' + index + ') expected ' + expression.inspect() + ' but got ' + element.inspect());
+    }.bind(this)) && this.pass();
+  },
+  assertElementMatches: function(element, expression) {
+    this.assertElementsMatch([element], expression);
+  },
+  benchmark: function(operation, iterations) {
+    var startAt = new Date();
+    (iterations || 1).times(operation);
+    var timeTaken = ((new Date())-startAt);
+    this.info((arguments[2] || 'Operation') + ' finished ' + 
+       iterations + ' iterations in ' + (timeTaken/1000)+'s' );
+    return timeTaken;
+  },
+  _isVisible: function(element) {
+    element = $(element);
+    if(!element.parentNode) return true;
+    this.assertNotNull(element);
+    if(element.style && Element.getStyle(element, 'display') == 'none')
+      return false;
+    
+    return this._isVisible(element.parentNode);
+  },
+  assertNotVisible: function(element) {
+    this.assert(!this._isVisible(element), Test.Unit.inspect(element) + " was not hidden and didn't have a hidden parent either. " + ("" || arguments[1]));
+  },
+  assertVisible: function(element) {
+    this.assert(this._isVisible(element), Test.Unit.inspect(element) + " was not visible. " + ("" || arguments[1]));
+  },
+  benchmark: function(operation, iterations) {
+    var startAt = new Date();
+    (iterations || 1).times(operation);
+    var timeTaken = ((new Date())-startAt);
+    this.info((arguments[2] || 'Operation') + ' finished ' + 
+       iterations + ' iterations in ' + (timeTaken/1000)+'s' );
+    return timeTaken;
+  }
+}
+
+Test.Unit.Testcase = Class.create();
+Object.extend(Object.extend(Test.Unit.Testcase.prototype, Test.Unit.Assertions.prototype), {
+  initialize: function(name, test, setup, teardown) {
+    Test.Unit.Assertions.prototype.initialize.bind(this)();
+    this.name           = name;
+    
+    if(typeof test == 'string') {
+      test = test.gsub(/(\.should[^\(]+\()/,'#{0}this,');
+      test = test.gsub(/(\.should[^\(]+)\(this,\)/,'#{1}(this)');
+      this.test = function() {
+        eval('with(this){'+test+'}');
+      }
+    } else {
+      this.test = test || function() {};
+    }
+    
+    this.setup          = setup || function() {};
+    this.teardown       = teardown || function() {};
+    this.isWaiting      = false;
+    this.timeToWait     = 1000;
+  },
+  wait: function(time, nextPart) {
+    this.isWaiting = true;
+    this.test = nextPart;
+    this.timeToWait = time;
+  },
+  run: function() {
+    try {
+      try {
+        if (!this.isWaiting) this.setup.bind(this)();
+        this.isWaiting = false;
+        this.test.bind(this)();
+      } finally {
+        if(!this.isWaiting) {
+          this.teardown.bind(this)();
+        }
+      }
+    }
+    catch(e) { this.error(e); }
+  }
+});
+
+// *EXPERIMENTAL* BDD-style testing to please non-technical folk
+// This draws many ideas from RSpec http://rspec.rubyforge.org/
+
+Test.setupBDDExtensionMethods = function(){
+  var METHODMAP = {
+    shouldEqual:     'assertEqual',
+    shouldNotEqual:  'assertNotEqual',
+    shouldEqualEnum: 'assertEnumEqual',
+    shouldBeA:       'assertType',
+    shouldNotBeA:    'assertNotOfType',
+    shouldBeAn:      'assertType',
+    shouldNotBeAn:   'assertNotOfType',
+    shouldBeNull:    'assertNull',
+    shouldNotBeNull: 'assertNotNull',
+    
+    shouldBe:        'assertReturnsTrue',
+    shouldNotBe:     'assertReturnsFalse',
+    shouldRespondTo: 'assertRespondsTo'
+  };
+  Test.BDDMethods = {};
+  for(m in METHODMAP) {
+    Test.BDDMethods[m] = eval(
+      'function(){'+
+      'var args = $A(arguments);'+
+      'var scope = args.shift();'+
+      'scope.'+METHODMAP[m]+'.apply(scope,(args || []).concat([this])); }');
+  }
+  [Array.prototype, String.prototype, Number.prototype].each(
+    function(p){ Object.extend(p, Test.BDDMethods) }
+  );
+}
+
+Test.context = function(name, spec, log){
+  Test.setupBDDExtensionMethods();
+  
+  var compiledSpec = {};
+  var titles = {};
+  for(specName in spec) {
+    switch(specName){
+      case "setup":
+      case "teardown":
+        compiledSpec[specName] = spec[specName];
+        break;
+      default:
+        var testName = 'test'+specName.gsub(/\s+/,'-').camelize();
+        var body = spec[specName].toString().split('\n').slice(1);
+        if(/^\{/.test(body[0])) body = body.slice(1);
+        body.pop();
+        body = body.map(function(statement){ 
+          return statement.strip()
+        });
+        compiledSpec[testName] = body.join('\n');
+        titles[testName] = specName;
+    }
+  }
+  new Test.Unit.Runner(compiledSpec, { titles: titles, testLog: log || 'testlog', context: name });
+};
\ No newline at end of file
diff --git a/typo3/json.php b/typo3/json.php
deleted file mode 100755 (executable)
index 8283e7e..0000000
+++ /dev/null
@@ -1,806 +0,0 @@
-<?php
-/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
-
-/**
- * Converts to and from JSON format.
- *
- * JSON (JavaScript Object Notation) is a lightweight data-interchange
- * format. It is easy for humans to read and write. It is easy for machines
- * to parse and generate. It is based on a subset of the JavaScript
- * Programming Language, Standard ECMA-262 3rd Edition - December 1999.
- * This feature can also be found in  Python. JSON is a text format that is
- * completely language independent but uses conventions that are familiar
- * to programmers of the C-family of languages, including C, C++, C#, Java,
- * JavaScript, Perl, TCL, and many others. These properties make JSON an
- * ideal data-interchange language.
- *
- * This package provides a simple encoder and decoder for JSON notation. It
- * is intended for use with client-side Javascript applications that make
- * use of HTTPRequest to perform server communication functions - data can
- * be encoded into JSON notation for use in a client-side javascript, or
- * decoded from incoming Javascript requests. JSON format is native to
- * Javascript, and can be directly eval()'ed with no further parsing
- * overhead
- *
- * All strings should be in ASCII or UTF-8 format!
- *
- * LICENSE: Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met: Redistributions of source code must retain the
- * above copyright notice, this list of conditions and the following
- * disclaimer. Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * @category
- * @package     Services_JSON
- * @author      Michal Migurski <mike-json@teczno.com>
- * @author      Matt Knapp <mdknapp[at]gmail[dot]com>
- * @author      Brett Stimmerman <brettstimmerman[at]gmail[dot]com>
- * @copyright   2005 Michal Migurski
- * @version     CVS: $Id$
- * @license     http://www.opensource.org/licenses/bsd-license.php
- * @link        http://pear.php.net/pepr/pepr-proposal-show.php?id=198
- */
-
-/**
- * Marker constant for Services_JSON::decode(), used to flag stack state
- */
-define('SERVICES_JSON_SLICE',   1);
-
-/**
- * Marker constant for Services_JSON::decode(), used to flag stack state
- */
-define('SERVICES_JSON_IN_STR',  2);
-
-/**
- * Marker constant for Services_JSON::decode(), used to flag stack state
- */
-define('SERVICES_JSON_IN_ARR',  3);
-
-/**
- * Marker constant for Services_JSON::decode(), used to flag stack state
- */
-define('SERVICES_JSON_IN_OBJ',  4);
-
-/**
- * Marker constant for Services_JSON::decode(), used to flag stack state
- */
-define('SERVICES_JSON_IN_CMT', 5);
-
-/**
- * Behavior switch for Services_JSON::decode()
- */
-define('SERVICES_JSON_LOOSE_TYPE', 16);
-
-/**
- * Behavior switch for Services_JSON::decode()
- */
-define('SERVICES_JSON_SUPPRESS_ERRORS', 32);
-
-/**
- * Converts to and from JSON format.
- *
- * Brief example of use:
- *
- * <code>
- * // create a new instance of Services_JSON
- * $json = new Services_JSON();
- *
- * // convert a complexe value to JSON notation, and send it to the browser
- * $value = array('foo', 'bar', array(1, 2, 'baz'), array(3, array(4)));
- * $output = $json->encode($value);
- *
- * print($output);
- * // prints: ["foo","bar",[1,2,"baz"],[3,[4]]]
- *
- * // accept incoming POST data, assumed to be in JSON notation
- * $input = file_get_contents('php://input', 1000000);
- * $value = $json->decode($input);
- * </code>
- */
-class Services_JSON
-{
-   /**
-    * constructs a new JSON instance
-    *
-    * @param    int     $use    object behavior flags; combine with boolean-OR
-    *
-    *                           possible values:
-    *                           - SERVICES_JSON_LOOSE_TYPE:  loose typing.
-    *                                   "{...}" syntax creates associative arrays
-    *                                   instead of objects in decode().
-    *                           - SERVICES_JSON_SUPPRESS_ERRORS:  error suppression.
-    *                                   Values which can't be encoded (e.g. resources)
-    *                                   appear as NULL instead of throwing errors.
-    *                                   By default, a deeply-nested resource will
-    *                                   bubble up with an error, so all return values
-    *                                   from encode() should be checked with isError()
-    */
-    function Services_JSON($use = 0)
-    {
-        $this->use = $use;
-    }
-
-   /**
-    * convert a string from one UTF-16 char to one UTF-8 char
-    *
-    * Normally should be handled by mb_convert_encoding, but
-    * provides a slower PHP-only method for installations
-    * that lack the multibye string extension.
-    *
-    * @param    string  $utf16  UTF-16 character
-    * @return   string  UTF-8 character
-    * @access   private
-    */
-    function utf162utf8($utf16)
-    {
-        // oh please oh please oh please oh please oh please
-        if(function_exists('mb_convert_encoding')) {
-            return mb_convert_encoding($utf16, 'UTF-8', 'UTF-16');
-        }
-
-        $bytes = (ord($utf16{0}) << 8) | ord($utf16{1});
-
-        switch(true) {
-            case ((0x7F & $bytes) == $bytes):
-                // this case should never be reached, because we are in ASCII range
-                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                return chr(0x7F & $bytes);
-
-            case (0x07FF & $bytes) == $bytes:
-                // return a 2-byte UTF-8 character
-                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                return chr(0xC0 | (($bytes >> 6) & 0x1F))
-                     . chr(0x80 | ($bytes & 0x3F));
-
-            case (0xFFFF & $bytes) == $bytes:
-                // return a 3-byte UTF-8 character
-                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                return chr(0xE0 | (($bytes >> 12) & 0x0F))
-                     . chr(0x80 | (($bytes >> 6) & 0x3F))
-                     . chr(0x80 | ($bytes & 0x3F));
-        }
-
-        // ignoring UTF-32 for now, sorry
-        return '';
-    }
-
-   /**
-    * convert a string from one UTF-8 char to one UTF-16 char
-    *
-    * Normally should be handled by mb_convert_encoding, but
-    * provides a slower PHP-only method for installations
-    * that lack the multibye string extension.
-    *
-    * @param    string  $utf8   UTF-8 character
-    * @return   string  UTF-16 character
-    * @access   private
-    */
-    function utf82utf16($utf8)
-    {
-        // oh please oh please oh please oh please oh please
-        if(function_exists('mb_convert_encoding')) {
-            return mb_convert_encoding($utf8, 'UTF-16', 'UTF-8');
-        }
-
-        switch(strlen($utf8)) {
-            case 1:
-                // this case should never be reached, because we are in ASCII range
-                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                return $utf8;
-
-            case 2:
-                // return a UTF-16 character from a 2-byte UTF-8 char
-                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                return chr(0x07 & (ord($utf8{0}) >> 2))
-                     . chr((0xC0 & (ord($utf8{0}) << 6))
-                         | (0x3F & ord($utf8{1})));
-
-            case 3:
-                // return a UTF-16 character from a 3-byte UTF-8 char
-                // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                return chr((0xF0 & (ord($utf8{0}) << 4))
-                         | (0x0F & (ord($utf8{1}) >> 2)))
-                     . chr((0xC0 & (ord($utf8{1}) << 6))
-                         | (0x7F & ord($utf8{2})));
-        }
-
-        // ignoring UTF-32 for now, sorry
-        return '';
-    }
-
-   /**
-    * encodes an arbitrary variable into JSON format
-    *
-    * @param    mixed   $var    any number, boolean, string, array, or object to be encoded.
-    *                           see argument 1 to Services_JSON() above for array-parsing behavior.
-    *                           if var is a strng, note that encode() always expects it
-    *                           to be in ASCII or UTF-8 format!
-    *
-    * @return   mixed   JSON string representation of input var or an error if a problem occurs
-    * @access   public
-    */
-    function encode($var)
-    {
-        switch (gettype($var)) {
-            case 'boolean':
-                return $var ? 'true' : 'false';
-
-            case 'NULL':
-                return 'null';
-
-            case 'integer':
-                return (int) $var;
-
-            case 'double':
-            case 'float':
-                return (float) $var;
-
-            case 'string':
-                // STRINGS ARE EXPECTED TO BE IN ASCII OR UTF-8 FORMAT
-                $ascii = '';
-                $strlen_var = strlen($var);
-
-               /*
-                * Iterate over every character in the string,
-                * escaping with a slash or encoding to UTF-8 where necessary
-                */
-                for ($c = 0; $c < $strlen_var; ++$c) {
-
-                    $ord_var_c = ord($var{$c});
-
-                    switch (true) {
-                        case $ord_var_c == 0x08:
-                            $ascii .= '\b';
-                            break;
-                        case $ord_var_c == 0x09:
-                            $ascii .= '\t';
-                            break;
-                        case $ord_var_c == 0x0A:
-                            $ascii .= '\n';
-                            break;
-                        case $ord_var_c == 0x0C:
-                            $ascii .= '\f';
-                            break;
-                        case $ord_var_c == 0x0D:
-                            $ascii .= '\r';
-                            break;
-
-                        case $ord_var_c == 0x22:
-                        case $ord_var_c == 0x2F:
-                        case $ord_var_c == 0x5C:
-                            // double quote, slash, slosh
-                            $ascii .= '\\'.$var{$c};
-                            break;
-
-                        case (($ord_var_c >= 0x20) && ($ord_var_c <= 0x7F)):
-                            // characters U-00000000 - U-0000007F (same as ASCII)
-                            $ascii .= $var{$c};
-                            break;
-
-                        case (($ord_var_c & 0xE0) == 0xC0):
-                            // characters U-00000080 - U-000007FF, mask 110XXXXX
-                            // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                            $char = pack('C*', $ord_var_c, ord($var{$c + 1}));
-                            $c += 1;
-                            $utf16 = $this->utf82utf16($char);
-                            $ascii .= sprintf('\u%04s', bin2hex($utf16));
-                            break;
-
-                        case (($ord_var_c & 0xF0) == 0xE0):
-                            // characters U-00000800 - U-0000FFFF, mask 1110XXXX
-                            // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                            $char = pack('C*', $ord_var_c,
-                                         ord($var{$c + 1}),
-                                         ord($var{$c + 2}));
-                            $c += 2;
-                            $utf16 = $this->utf82utf16($char);
-                            $ascii .= sprintf('\u%04s', bin2hex($utf16));
-                            break;
-
-                        case (($ord_var_c & 0xF8) == 0xF0):
-                            // characters U-00010000 - U-001FFFFF, mask 11110XXX
-                            // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                            $char = pack('C*', $ord_var_c,
-                                         ord($var{$c + 1}),
-                                         ord($var{$c + 2}),
-                                         ord($var{$c + 3}));
-                            $c += 3;
-                            $utf16 = $this->utf82utf16($char);
-                            $ascii .= sprintf('\u%04s', bin2hex($utf16));
-                            break;
-
-                        case (($ord_var_c & 0xFC) == 0xF8):
-                            // characters U-00200000 - U-03FFFFFF, mask 111110XX
-                            // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                            $char = pack('C*', $ord_var_c,
-                                         ord($var{$c + 1}),
-                                         ord($var{$c + 2}),
-                                         ord($var{$c + 3}),
-                                         ord($var{$c + 4}));
-                            $c += 4;
-                            $utf16 = $this->utf82utf16($char);
-                            $ascii .= sprintf('\u%04s', bin2hex($utf16));
-                            break;
-
-                        case (($ord_var_c & 0xFE) == 0xFC):
-                            // characters U-04000000 - U-7FFFFFFF, mask 1111110X
-                            // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                            $char = pack('C*', $ord_var_c,
-                                         ord($var{$c + 1}),
-                                         ord($var{$c + 2}),
-                                         ord($var{$c + 3}),
-                                         ord($var{$c + 4}),
-                                         ord($var{$c + 5}));
-                            $c += 5;
-                            $utf16 = $this->utf82utf16($char);
-                            $ascii .= sprintf('\u%04s', bin2hex($utf16));
-                            break;
-                    }
-                }
-
-                return '"'.$ascii.'"';
-
-            case 'array':
-               /*
-                * As per JSON spec if any array key is not an integer
-                * we must treat the the whole array as an object. We
-                * also try to catch a sparsely populated associative
-                * array with numeric keys here because some JS engines
-                * will create an array with empty indexes up to
-                * max_index which can cause memory issues and because
-                * the keys, which may be relevant, will be remapped
-                * otherwise.
-                *
-                * As per the ECMA and JSON specification an object may
-                * have any string as a property. Unfortunately due to
-                * a hole in the ECMA specification if the key is a
-                * ECMA reserved word or starts with a digit the
-                * parameter is only accessible using ECMAScript's
-                * bracket notation.
-                */
-
-                // treat as a JSON object
-                if (is_array($var) && count($var) && (array_keys($var) !== range(0, sizeof($var) - 1))) {
-                    $properties = array_map(array($this, 'name_value'),
-                                            array_keys($var),
-                                            array_values($var));
-
-                    foreach($properties as $property) {
-                        if(Services_JSON::isError($property)) {
-                            return $property;
-                        }
-                    }
-
-                    return '{' . join(',', $properties) . '}';
-                }
-
-                // treat it like a regular array
-                $elements = array_map(array($this, 'encode'), $var);
-
-                foreach($elements as $element) {
-                    if(Services_JSON::isError($element)) {
-                        return $element;
-                    }
-                }
-
-                return '[' . join(',', $elements) . ']';
-
-            case 'object':
-                $vars = get_object_vars($var);
-
-                $properties = array_map(array($this, 'name_value'),
-                                        array_keys($vars),
-                                        array_values($vars));
-
-                foreach($properties as $property) {
-                    if(Services_JSON::isError($property)) {
-                        return $property;
-                    }
-                }
-
-                return '{' . join(',', $properties) . '}';
-
-            default:
-                return ($this->use & SERVICES_JSON_SUPPRESS_ERRORS)
-                    ? 'null'
-                    : new Services_JSON_Error(gettype($var)." can not be encoded as JSON string");
-        }
-    }
-
-   /**
-    * array-walking function for use in generating JSON-formatted name-value pairs
-    *
-    * @param    string  $name   name of key to use
-    * @param    mixed   $value  reference to an array element to be encoded
-    *
-    * @return   string  JSON-formatted name-value pair, like '"name":value'
-    * @access   private
-    */
-    function name_value($name, $value)
-    {
-        $encoded_value = $this->encode($value);
-
-        if(Services_JSON::isError($encoded_value)) {
-            return $encoded_value;
-        }
-
-        return $this->encode(strval($name)) . ':' . $encoded_value;
-    }
-
-   /**
-    * reduce a string by removing leading and trailing comments and whitespace
-    *
-    * @param    $str    string      string value to strip of comments and whitespace
-    *
-    * @return   string  string value stripped of comments and whitespace
-    * @access   private
-    */
-    function reduce_string($str)
-    {
-        $str = preg_replace(array(
-
-                // eliminate single line comments in '// ...' form
-                '#^\s*//(.+)$#m',
-
-                // eliminate multi-line comments in '/* ... */' form, at start of string
-                '#^\s*/\*(.+)\*/#Us',
-
-                // eliminate multi-line comments in '/* ... */' form, at end of string
-                '#/\*(.+)\*/\s*$#Us'
-
-            ), '', $str);
-
-        // eliminate extraneous space
-        return trim($str);
-    }
-
-   /**
-    * decodes a JSON string into appropriate variable
-    *
-    * @param    string  $str    JSON-formatted string
-    *
-    * @return   mixed   number, boolean, string, array, or object
-    *                   corresponding to given JSON input string.
-    *                   See argument 1 to Services_JSON() above for object-output behavior.
-    *                   Note that decode() always returns strings
-    *                   in ASCII or UTF-8 format!
-    * @access   public
-    */
-    function decode($str)
-    {
-        $str = $this->reduce_string($str);
-
-        switch (strtolower($str)) {
-            case 'true':
-                return true;
-
-            case 'false':
-                return false;
-
-            case 'null':
-                return null;
-
-            default:
-                $m = array();
-
-                if (is_numeric($str)) {
-                    // Lookie-loo, it's a number
-
-                    // This would work on its own, but I'm trying to be
-                    // good about returning integers where appropriate:
-                    // return (float)$str;
-
-                    // Return float or int, as appropriate
-                    return ((float)$str == (integer)$str)
-                        ? (integer)$str
-                        : (float)$str;
-
-                } elseif (preg_match('/^("|\').*(\1)$/s', $str, $m) && $m[1] == $m[2]) {
-                    // STRINGS RETURNED IN UTF-8 FORMAT
-                    $delim = substr($str, 0, 1);
-                    $chrs = substr($str, 1, -1);
-                    $utf8 = '';
-                    $strlen_chrs = strlen($chrs);
-
-                    for ($c = 0; $c < $strlen_chrs; ++$c) {
-
-                        $substr_chrs_c_2 = substr($chrs, $c, 2);
-                        $ord_chrs_c = ord($chrs{$c});
-
-                        switch (true) {
-                            case $substr_chrs_c_2 == '\b':
-                                $utf8 .= chr(0x08);
-                                ++$c;
-                                break;
-                            case $substr_chrs_c_2 == '\t':
-                                $utf8 .= chr(0x09);
-                                ++$c;
-                                break;
-                            case $substr_chrs_c_2 == '\n':
-                                $utf8 .= chr(0x0A);
-                                ++$c;
-                                break;
-                            case $substr_chrs_c_2 == '\f':
-                                $utf8 .= chr(0x0C);
-                                ++$c;
-                                break;
-                            case $substr_chrs_c_2 == '\r':
-                                $utf8 .= chr(0x0D);
-                                ++$c;
-                                break;
-
-                            case $substr_chrs_c_2 == '\\"':
-                            case $substr_chrs_c_2 == '\\\'':
-                            case $substr_chrs_c_2 == '\\\\':
-                            case $substr_chrs_c_2 == '\\/':
-                                if (($delim == '"' && $substr_chrs_c_2 != '\\\'') ||
-                                   ($delim == "'" && $substr_chrs_c_2 != '\\"')) {
-                                    $utf8 .= $chrs{++$c};
-                                }
-                                break;
-
-                            case preg_match('/\\\u[0-9A-F]{4}/i', substr($chrs, $c, 6)):
-                                // single, escaped unicode character
-                                $utf16 = chr(hexdec(substr($chrs, ($c + 2), 2)))
-                                       . chr(hexdec(substr($chrs, ($c + 4), 2)));
-                                $utf8 .= $this->utf162utf8($utf16);
-                                $c += 5;
-                                break;
-
-                            case ($ord_chrs_c >= 0x20) && ($ord_chrs_c <= 0x7F):
-                                $utf8 .= $chrs{$c};
-                                break;
-
-                            case ($ord_chrs_c & 0xE0) == 0xC0:
-                                // characters U-00000080 - U-000007FF, mask 110XXXXX
-                                //see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                                $utf8 .= substr($chrs, $c, 2);
-                                ++$c;
-                                break;
-
-                            case ($ord_chrs_c & 0xF0) == 0xE0:
-                                // characters U-00000800 - U-0000FFFF, mask 1110XXXX
-                                // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                                $utf8 .= substr($chrs, $c, 3);
-                                $c += 2;
-                                break;
-
-                            case ($ord_chrs_c & 0xF8) == 0xF0:
-                                // characters U-00010000 - U-001FFFFF, mask 11110XXX
-                                // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                                $utf8 .= substr($chrs, $c, 4);
-                                $c += 3;
-                                break;
-
-                            case ($ord_chrs_c & 0xFC) == 0xF8:
-                                // characters U-00200000 - U-03FFFFFF, mask 111110XX
-                                // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                                $utf8 .= substr($chrs, $c, 5);
-                                $c += 4;
-                                break;
-
-                            case ($ord_chrs_c & 0xFE) == 0xFC:
-                                // characters U-04000000 - U-7FFFFFFF, mask 1111110X
-                                // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
-                                $utf8 .= substr($chrs, $c, 6);
-                                $c += 5;
-                                break;
-
-                        }
-
-                    }
-
-                    return $utf8;
-
-                } elseif (preg_match('/^\[.*\]$/s', $str) || preg_match('/^\{.*\}$/s', $str)) {
-                    // array, or object notation
-
-                    if ($str{0} == '[') {
-                        $stk = array(SERVICES_JSON_IN_ARR);
-                        $arr = array();
-                    } else {
-                        if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
-                            $stk = array(SERVICES_JSON_IN_OBJ);
-                            $obj = array();
-                        } else {
-                            $stk = array(SERVICES_JSON_IN_OBJ);
-                            $obj = new stdClass();
-                        }
-                    }
-
-                    array_push($stk, array('what'  => SERVICES_JSON_SLICE,
-                                           'where' => 0,
-                                           'delim' => false));
-
-                    $chrs = substr($str, 1, -1);
-                    $chrs = $this->reduce_string($chrs);
-
-                    if ($chrs == '') {
-                        if (reset($stk) == SERVICES_JSON_IN_ARR) {
-                            return $arr;
-
-                        } else {
-                            return $obj;
-
-                        }
-                    }
-
-                    //print("\nparsing {$chrs}\n");
-
-                    $strlen_chrs = strlen($chrs);
-
-                    for ($c = 0; $c <= $strlen_chrs; ++$c) {
-
-                        $top = end($stk);
-                        $substr_chrs_c_2 = substr($chrs, $c, 2);
-
-                        if (($c == $strlen_chrs) || (($chrs{$c} == ',') && ($top['what'] == SERVICES_JSON_SLICE))) {
-                            // found a comma that is not inside a string, array, etc.,
-                            // OR we've reached the end of the character list
-                            $slice = substr($chrs, $top['where'], ($c - $top['where']));
-                            array_push($stk, array('what' => SERVICES_JSON_SLICE, 'where' => ($c + 1), 'delim' => false));
-                            //print("Found split at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n");
-
-                            if (reset($stk) == SERVICES_JSON_IN_ARR) {
-                                // we are in an array, so just push an element onto the stack
-                                array_push($arr, $this->decode($slice));
-
-                            } elseif (reset($stk) == SERVICES_JSON_IN_OBJ) {
-                                // we are in an object, so figure
-                                // out the property name and set an
-                                // element in an associative array,
-                                // for now
-                                $parts = array();
-                                
-                                if (preg_match('/^\s*(["\'].*[^\\\]["\'])\s*:\s*(\S.*),?$/Uis', $slice, $parts)) {
-                                    // "name":value pair
-                                    $key = $this->decode($parts[1]);
-                                    $val = $this->decode($parts[2]);
-
-                                    if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
-                                        $obj[$key] = $val;
-                                    } else {
-                                        $obj->$key = $val;
-                                    }
-                                } elseif (preg_match('/^\s*(\w+)\s*:\s*(\S.*),?$/Uis', $slice, $parts)) {
-                                    // name:value pair, where name is unquoted
-                                    $key = $parts[1];
-                                    $val = $this->decode($parts[2]);
-
-                                    if ($this->use & SERVICES_JSON_LOOSE_TYPE) {
-                                        $obj[$key] = $val;
-                                    } else {
-                                        $obj->$key = $val;
-                                    }
-                                }
-
-                            }
-
-                        } elseif ((($chrs{$c} == '"') || ($chrs{$c} == "'")) && ($top['what'] != SERVICES_JSON_IN_STR)) {
-                            // found a quote, and we are not inside a string
-                            array_push($stk, array('what' => SERVICES_JSON_IN_STR, 'where' => $c, 'delim' => $chrs{$c}));
-                            //print("Found start of string at {$c}\n");
-
-                        } elseif (($chrs{$c} == $top['delim']) &&
-                                 ($top['what'] == SERVICES_JSON_IN_STR) &&
-                                 ((strlen(substr($chrs, 0, $c)) - strlen(rtrim(substr($chrs, 0, $c), '\\'))) % 2 != 1)) {
-                            // found a quote, we're in a string, and it's not escaped
-                            // we know that it's not escaped becase there is _not_ an
-                            // odd number of backslashes at the end of the string so far
-                            array_pop($stk);
-                            //print("Found end of string at {$c}: ".substr($chrs, $top['where'], (1 + 1 + $c - $top['where']))."\n");
-
-                        } elseif (($chrs{$c} == '[') &&
-                                 in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) {
-                            // found a left-bracket, and we are in an array, object, or slice
-                            array_push($stk, array('what' => SERVICES_JSON_IN_ARR, 'where' => $c, 'delim' => false));
-                            //print("Found start of array at {$c}\n");
-
-                        } elseif (($chrs{$c} == ']') && ($top['what'] == SERVICES_JSON_IN_ARR)) {
-                            // found a right-bracket, and we're in an array
-                            array_pop($stk);
-                            //print("Found end of array at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n");
-
-                        } elseif (($chrs{$c} == '{') &&
-                                 in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) {
-                            // found a left-brace, and we are in an array, object, or slice
-                            array_push($stk, array('what' => SERVICES_JSON_IN_OBJ, 'where' => $c, 'delim' => false));
-                            //print("Found start of object at {$c}\n");
-
-                        } elseif (($chrs{$c} == '}') && ($top['what'] == SERVICES_JSON_IN_OBJ)) {
-                            // found a right-brace, and we're in an object
-                            array_pop($stk);
-                            //print("Found end of object at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n");
-
-                        } elseif (($substr_chrs_c_2 == '/*') &&
-                                 in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) {
-                            // found a comment start, and we are in an array, object, or slice
-                            array_push($stk, array('what' => SERVICES_JSON_IN_CMT, 'where' => $c, 'delim' => false));
-                            $c++;
-                            //print("Found start of comment at {$c}\n");
-
-                        } elseif (($substr_chrs_c_2 == '*/') && ($top['what'] == SERVICES_JSON_IN_CMT)) {
-                            // found a comment end, and we're in one now
-                            array_pop($stk);
-                            $c++;
-
-                            for ($i = $top['where']; $i <= $c; ++$i)
-                                $chrs = substr_replace($chrs, ' ', $i, 1);
-
-                            //print("Found end of comment at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n");
-
-                        }
-
-                    }
-
-                    if (reset($stk) == SERVICES_JSON_IN_ARR) {
-                        return $arr;
-
-                    } elseif (reset($stk) == SERVICES_JSON_IN_OBJ) {
-                        return $obj;
-
-                    }
-
-                }
-        }
-    }
-
-    /**
-     * @todo Ultimately, this should just call PEAR::isError()
-     */
-    function isError($data, $code = null)
-    {
-        if (class_exists('pear')) {
-            return PEAR::isError($data, $code);
-        } elseif (is_object($data) && (get_class($data) == 'services_json_error' ||
-                                 is_subclass_of($data, 'services_json_error'))) {
-            return true;
-        }
-
-        return false;
-    }
-}
-
-if (class_exists('PEAR_Error')) {
-
-    class Services_JSON_Error extends PEAR_Error
-    {
-        function Services_JSON_Error($message = 'unknown error', $code = null,
-                                     $mode = null, $options = null, $userinfo = null)
-        {
-            parent::PEAR_Error($message, $code, $mode, $options, $userinfo);
-        }
-    }
-
-} else {
-
-    /**
-     * @todo Ultimately, this class shall be descended from PEAR_Error
-     */
-    class Services_JSON_Error
-    {
-        function Services_JSON_Error($message = 'unknown error', $code = null,
-                                     $mode = null, $options = null, $userinfo = null)
-        {
-
-        }
-    }
-
-}
-    
-?>
diff --git a/typo3/prototype.js b/typo3/prototype.js
deleted file mode 100644 (file)
index 96fe7cb..0000000
+++ /dev/null
@@ -1,2240 +0,0 @@
-/*  Prototype JavaScript framework, version 1.5.0_rc1
- *  (c) 2005 Sam Stephenson <sam@conio.net>
- *
- *  Prototype is freely distributable under the terms of an MIT-style license.
- *  For details, see the Prototype web site: http://prototype.conio.net/
- *
-/*--------------------------------------------------------------------------*/
-
-var Prototype = {
-  Version: '1.5.0_rc1',
-  ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
-
-  emptyFunction: function() {},
-  K: function(x) {return x}
-}
-
-var Class = {
-  create: function() {
-    return function() {
-      this.initialize.apply(this, arguments);
-    }
-  }
-}
-
-var Abstract = new Object();
-
-Object.extend = function(destination, source) {
-  for (var property in source) {
-    destination[property] = source[property];
-  }
-  return destination;
-}
-
-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() {
-  var __method = this, args = $A(arguments), object = args.shift();
-  return function() {
-    return __method.apply(object, args.concat($A(arguments)));
-  }
-}
-
-Function.prototype.bindAsEventListener = function(object) {
-  var __method = this, args = $A(arguments), object = args.shift();
-  return function(event) {
-    return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments)));
-  }
-}
-
-Object.extend(Number.prototype, {
-  toColorPart: function() {
-    var digits = this.toString(16);
-    if (this < 16) return '0' + digits;
-    return digits;
-  },
-
-  succ: function() {
-    return this + 1;
-  },
-
-  times: function(iterator) {
-    $R(0, this, true).each(iterator);
-    return this;
-  }
-});
-
-var Try = {
-  these: function() {
-    var returnValue;
-
-    for (var i = 0; i < arguments.length; i++) {
-      var lambda = arguments[i];
-      try {
-        returnValue = lambda();
-        break;
-      } catch (e) {}
-    }
-
-    return returnValue;
-  }
-}
-
-/*--------------------------------------------------------------------------*/
-
-var PeriodicalExecuter = Class.create();
-PeriodicalExecuter.prototype = {
-  initialize: function(callback, frequency) {
-    this.callback = callback;
-    this.frequency = frequency;
-    this.currentlyExecuting = false;
-
-    this.registerCallback();
-  },
-
-  registerCallback: function() {
-    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
-  },
-
-  stop: function() {
-    if (!this.timer) return;
-    clearInterval(this.timer);
-    this.timer = null;
-  },
-
-  onTimerEvent: function() {
-    if (!this.currentlyExecuting) {
-      try {
-        this.currentlyExecuting = true;
-        this.callback(this);
-      } finally {
-        this.currentlyExecuting = false;
-      }
-    }
-  }
-}
-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 += (replacement(match) || '').toString();
-        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, '');
-  },
-
-  stripScripts: function() {
-    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
-  },
-
-  extractScripts: function() {
-    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
-    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
-    return (this.match(matchAll) || []).map(function(scriptTag) {
-      return (scriptTag.match(matchOne) || ['', ''])[1];
-    });
-  },
-
-  evalScripts: function() {
-    return this.extractScripts().map(function(script) { return eval(script) });
-  },
-
-  escapeHTML: function() {
-    var div = document.createElement('div');
-    var text = document.createTextNode(this);
-    div.appendChild(text);
-    return div.innerHTML;
-  },
-
-  unescapeHTML: function() {
-    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('=');
-      var value = pair[1] ? decodeURIComponent(pair[1]) : undefined;
-      params[decodeURIComponent(pair[0])] = value;
-      return params;
-    });
-  },
-
-  toArray: function() {
-    return this.split('');
-  },
-
-  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(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 + (object[match[3]] || '').toString();
-    });
-  }
-}
-
-var $break    = new Object();
-var $continue = new Object();
-
-var Enumerable = {
-  each: function(iterator) {
-    var index = 0;
-    try {
-      this._each(function(value) {
-        try {
-          iterator(value, index++);
-        } catch (e) {
-          if (e != $continue) throw e;
-        }
-      });
-    } catch (e) {
-      if (e != $break) throw e;
-    }
-  },
-
-  all: function(iterator) {
-    var result = true;
-    this.each(function(value, index) {
-      result = result && !!(iterator || Prototype.K)(value, index);
-      if (!result) throw $break;
-    });
-    return result;
-  },
-
-  any: function(iterator) {
-    var result = false;
-    this.each(function(value, index) {
-      if (result = !!(iterator || Prototype.K)(value, index))
-        throw $break;
-    });
-    return result;
-  },
-
-  collect: function(iterator) {
-    var results = [];
-    this.each(function(value, index) {
-      results.push(iterator(value, index));
-    });
-    return results;
-  },
-
-  detect: function (iterator) {
-    var result;
-    this.each(function(value, index) {
-      if (iterator(value, index)) {
-        result = value;
-        throw $break;
-      }
-    });
-    return result;
-  },
-
-  findAll: function(iterator) {
-    var results = [];
-    this.each(function(value, index) {
-      if (iterator(value, index))
-        results.push(value);
-    });
-    return results;
-  },
-
-  grep: function(pattern, iterator) {
-    var results = [];
-    this.each(function(value, index) {
-      var stringValue = value.toString();
-      if (stringValue.match(pattern))
-        results.push((iterator || Prototype.K)(value, index));
-    })
-    return results;
-  },
-
-  include: function(object) {
-    var found = false;
-    this.each(function(value) {
-      if (value == object) {
-        found = true;
-        throw $break;
-      }
-    });
-    return found;
-  },
-
-  inject: function(memo, iterator) {
-    this.each(function(value, index) {
-      memo = iterator(memo, value, index);
-    });
-    return memo;
-  },
-
-  invoke: function(method) {
-    var args = $A(arguments).slice(1);
-    return this.collect(function(value) {
-      return value[method].apply(value, args);
-    });
-  },
-
-  max: function(iterator) {
-    var result;
-    this.each(function(value, index) {
-      value = (iterator || Prototype.K)(value, index);
-      if (result == undefined || value >= result)
-        result = value;
-    });
-    return result;
-  },
-
-  min: function(iterator) {
-    var result;
-    this.each(function(value, index) {
-      value = (iterator || Prototype.K)(value, index);
-      if (result == undefined || value < result)
-        result = value;
-    });
-    return result;
-  },
-
-  partition: function(iterator) {
-    var trues = [], falses = [];
-    this.each(function(value, index) {
-      ((iterator || Prototype.K)(value, index) ?
-        trues : falses).push(value);
-    });
-    return [trues, falses];
-  },
-
-  pluck: function(property) {
-    var results = [];
-    this.each(function(value, index) {
-      results.push(value[property]);
-    });
-    return results;
-  },
-
-  reject: function(iterator) {
-    var results = [];
-    this.each(function(value, index) {
-      if (!iterator(value, index))
-        results.push(value);
-    });
-    return results;
-  },
-
-  sortBy: function(iterator) {
-    return this.collect(function(value, index) {
-      return {value: value, criteria: iterator(value, index)};
-    }).sort(function(left, right) {
-      var a = left.criteria, b = right.criteria;
-      return a < b ? -1 : a > b ? 1 : 0;
-    }).pluck('value');
-  },
-
-  toArray: function() {
-    return this.collect(Prototype.K);
-  },
-
-  zip: function() {
-    var iterator = Prototype.K, args = $A(arguments);
-    if (typeof args.last() == 'function')
-      iterator = args.pop();
-
-    var collections = [this].concat(args).map($A);
-    return this.map(function(value, index) {
-      return iterator(collections.pluck(index));
-    });
-  },
-
-  inspect: function() {
-    return '#<Enumerable:' + this.toArray().inspect() + '>';
-  }
-}
-
-Object.extend(Enumerable, {
-  map:     Enumerable.collect,
-  find:    Enumerable.detect,
-  select:  Enumerable.findAll,
-  member:  Enumerable.include,
-  entries: Enumerable.toArray
-});
-var $A = Array.from = function(iterable) {
-  if (!iterable) return [];
-  if (iterable.toArray) {
-    return iterable.toArray();
-  } else {
-    var results = [];
-    for (var i = 0; i < iterable.length; i++)
-      results.push(iterable[i]);
-    return results;
-  }
-}
-
-Object.extend(Array.prototype, Enumerable);
-
-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++)
-      iterator(this[i]);
-  },
-
-  clear: function() {
-    this.length = 0;
-    return this;
-  },
-
-  first: function() {
-    return this[0];
-  },
-
-  last: function() {
-    return this[this.length - 1];
-  },
-
-  compact: function() {
-    return this.select(function(value) {
-      return value != undefined || value != null;
-    });
-  },
-
-  flatten: function() {
-    return this.inject([], function(array, value) {
-      return array.concat(value && value.constructor == Array ?
-        value.flatten() : [value]);
-    });
-  },
-
-  without: function() {
-    var values = $A(arguments);
-    return this.select(function(value) {
-      return !values.include(value);
-    });
-  },
-
-  indexOf: function(object) {
-    for (var i = 0; i < this.length; i++)
-      if (this[i] == object) return i;
-    return -1;
-  },
-
-  reverse: function(inline) {
-    return (inline !== false ? this : this.toArray())._reverse();
-  },
-
-  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]);
-    });
-  },
-
-  inspect: function() {
-    return '[' + this.map(Object.inspect).join(', ') + ']';
-  }
-});
-var Hash = {
-  _each: function(iterator) {
-    for (var key in this) {
-      var value = this[key];
-      if (typeof value == 'function') continue;
-
-      var pair = [key, value];
-      pair.key = key;
-      pair.value = value;
-      iterator(pair);
-    }
-  },
-
-  keys: function() {
-    return this.pluck('key');
-  },
-
-  values: function() {
-    return this.pluck('value');
-  },
-
-  merge: function(hash) {
-    return $H(hash).inject($H(this), function(mergedHash, pair) {
-      mergedHash[pair.key] = pair.value;
-      return mergedHash;
-    });
-  },
-
-  toQueryString: function() {
-    return this.map(function(pair) {
-      return pair.map(encodeURIComponent).join('=');
-    }).join('&');
-  },
-
-  inspect: function() {
-    return '#<Hash:{' + this.map(function(pair) {
-      return pair.map(Object.inspect).join(': ');
-    }).join(', ') + '}>';
-  }
-}
-
-function $H(object) {
-  var hash = Object.extend({}, object || {});
-  Object.extend(hash, Enumerable);
-  Object.extend(hash, Hash);
-  return hash;
-}
-ObjectRange = Class.create();
-Object.extend(ObjectRange.prototype, Enumerable);
-Object.extend(ObjectRange.prototype, {
-  initialize: function(start, end, exclusive) {
-    this.start = start;
-    this.end = end;
-    this.exclusive = exclusive;
-  },
-
-  _each: function(iterator) {
-    var value = this.start;
-    while (this.include(value)) {
-      iterator(value);
-      value = value.succ();
-    }
-  },
-
-  include: function(value) {
-    if (value < this.start)
-      return false;
-    if (this.exclusive)
-      return value < this.end;
-    return value <= this.end;
-  }
-});
-
-var $R = function(start, end, exclusive) {
-  return new ObjectRange(start, end, exclusive);
-}
-
-var Ajax = {
-  getTransport: function() {
-    return Try.these(
-      function() {return new XMLHttpRequest()},
-      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
-      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
-    ) || false;
-  },
-
-  activeRequestCount: 0
-}
-
-Ajax.Responders = {
-  responders: [],
-
-  _each: function(iterator) {
-    this.responders._each(iterator);
-  },
-
-  register: function(responderToAdd) {
-    if (!this.include(responderToAdd))
-      this.responders.push(responderToAdd);
-  },
-
-  unregister: function(responderToRemove) {
-    this.responders = this.responders.without(responderToRemove);
-  },
-
-  dispatch: function(callback, request, transport, json) {
-    this.each(function(responder) {
-      if (responder[callback] && typeof responder[callback] == 'function') {
-        try {
-          responder[callback].apply(responder, [request, transport, json]);
-        } catch (e) {}
-      }
-    });
-  }
-};
-
-Object.extend(Ajax.Responders, Enumerable);
-
-Ajax.Responders.register({
-  onCreate: function() {
-    Ajax.activeRequestCount++;
-  },
-
-  onComplete: function() {
-    Ajax.activeRequestCount--;
-  }
-});
-
-Ajax.Base = function() {};
-Ajax.Base.prototype = {
-  setOptions: function(options) {
-    this.options = {
-      method:       'post',
-      asynchronous: true,
-      contentType:  'application/x-www-form-urlencoded',
-      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();
-  }
-}
-
-Ajax.Request = Class.create();
-Ajax.Request.Events =
-  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
-
-Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
-  initialize: function(url, options) {
-    this.transport = Ajax.getTransport();
-    this.setOptions(options);
-    this.request(url);
-  },
-
-  request: function(url) {
-    var parameters = this.options.parameters || '';
-    if (parameters.length > 0) parameters += '&_=';
-
-    /* Simulate other verbs over post */
-    if (this.options.method != 'get' && this.options.method != 'post') {
-      parameters += (parameters.length > 0 ? '&' : '') + '_method=' + this.options.method;
-      this.options.method = 'post';
-    }
-
-    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.options.asynchronous);
-
-      if (this.options.asynchronous)
-        setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10);
-
-      this.transport.onreadystatechange = this.onStateChange.bind(this);
-      this.setRequestHeaders();
-
-      var body = this.options.postBody ? this.options.postBody : parameters;
-      this.transport.send(this.options.method == 'post' ? body : null);
-
-      /* Force Firefox to handle ready state 4 for synchronous requests */
-      if (!this.options.asynchronous && this.transport.overrideMimeType)
-        this.onStateChange();
-
-    } catch (e) {
-      this.dispatchException(e);
-    }
-  },
-
-  setRequestHeaders: function() {
-    var requestHeaders =
-      ['X-Requested-With', 'XMLHttpRequest',
-       'X-Prototype-Version', Prototype.Version,
-       'Accept', 'text/javascript, text/html, application/xml, text/xml, */*'];
-
-    if (this.options.method == 'post') {
-      requestHeaders.push('Content-type', this.options.contentType);
-
-      /* 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) {
-    try {
-      return this.transport.getResponseHeader(name);
-    } catch (e) {}
-  },
-
-  evalJSON: function() {
-    try {
-      return eval('(' + this.header('X-JSON') + ')');
-    } catch (e) {}
-  },
-
-  evalResponse: function() {
-    try {
-      return eval(this.transport.responseText);
-    } catch (e) {
-      this.dispatchException(e);
-    }
-  },
-
-  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);
-    Ajax.Responders.dispatch('onException', this, exception);
-  }
-});
-
-Ajax.Updater = Class.create();
-
-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.transport = Ajax.getTransport();
-    this.setOptions(options);
-
-    var onComplete = this.options.onComplete || Prototype.emptyFunction;
-    this.options.onComplete = (function(transport, object) {
-      this.updateContent();
-      onComplete(transport, object);
-    }).bind(this);
-
-    this.request(url);
-  },
-
-  updateContent: function() {
-    var receiver = this.responseIsSuccess() ?
-      this.containers.success : this.containers.failure;
-    var response = this.transport.responseText;
-
-    if (!this.options.evalScripts)
-      response = response.stripScripts();
-
-    if (receiver) {
-      if (this.options.insertion) {
-        new this.options.insertion(receiver, response);
-      } else {
-        Element.update(receiver, response);
-      }
-    }
-
-    if (this.responseIsSuccess()) {
-      if (this.onComplete)
-        setTimeout(this.onComplete.bind(this), 10);
-    }
-  }
-});
-
-Ajax.PeriodicalUpdater = Class.create();
-Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
-  initialize: function(container, url, options) {
-    this.setOptions(options);
-    this.onComplete = this.options.onComplete;
-
-    this.frequency = (this.options.frequency || 2);
-    this.decay = (this.options.decay || 1);
-
-    this.updater = {};
-    this.container = container;
-    this.url = url;
-
-    this.start();
-  },
-
-  start: function() {
-    this.options.onComplete = this.updateComplete.bind(this);
-    this.onTimerEvent();
-  },
-
-  stop: function() {
-    this.updater.options.onComplete = undefined;
-    clearTimeout(this.timer);
-    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
-  },
-
-  updateComplete: function(request) {
-    if (this.options.decay) {
-      this.decay = (request.responseText == this.lastText ?
-        this.decay * this.options.decay : 1);
-
-      this.lastText = request.responseText;
-    }
-    this.timer = setTimeout(this.onTimerEvent.bind(this),
-      this.decay * this.frequency * 1000);
-  },
-
-  onTimerEvent: function() {
-    this.updater = new Ajax.Updater(this.container, this.url, this.options);
-  }
-});
-function $() {
-  var results = [], element;
-  for (var i = 0; i < arguments.length; i++) {
-    element = arguments[i];
-    if (typeof element == 'string')
-      element = document.getElementById(element);
-    results.push(Element.extend(element));
-  }
-  return results.reduce();
-}
-
-document.getElementsByClassName = function(className, parentElement) {
-  var children = ($(parentElement) || document.body).getElementsByTagName('*');
-  return $A(children).inject([], function(elements, child) {
-    if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
-      elements.push(Element.extend(child));
-    return elements;
-  });
-}
-
-/*--------------------------------------------------------------------------*/
-
-if (!window.Element)
-  var Element = new Object();
-
-Element.extend = function(element) {
-  if (!element) return;
-  if (_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);
-
-    for (var property in methods) {
-      var value = methods[property];
-      if (typeof value == 'function')
-        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(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;
-  },
-
-  remove: function(element) {
-    element = $(element);
-    element.parentNode.removeChild(element);
-    return element;
-  },
-
-  update: function(element, html) {
-    $(element).innerHTML = html.stripScripts();
-    setTimeout(function() {html.evalScripts()}, 10);
-    return element;
-  },
-
-  replace: function(element, html) {
-    element = $(element);
-    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) {
-    element = $(element);
-    return $A(element.getElementsByTagName('*'));
-  },
-
-  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) {
-    element = $(element);
-    if (typeof selector == 'string')
-      selector = new Selector(selector);
-    return selector.match(element);
-  },
-
-  up: function(element, expression, index) {
-    return Selector.findElement($(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) {
-    element = $(element);
-    return document.getElementsByClassName(className, element);
-  },
-
-  getHeight: function(element) {
-    element = $(element);
-    return element.offsetHeight;
-  },
-
-  classNames: function(element) {
-    return new Element.ClassNames(element);
-  },
-
-  hasClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    return Element.classNames(element).include(className);
-  },
-
-  addClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    Element.classNames(element).add(className);
-    return element;
-  },
-
-  removeClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    Element.classNames(element).remove(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();
-  },
-
-  // removes whitespace-only text node children
-  cleanWhitespace: function(element) {
-    element = $(element);
-    var node = element.firstChild;
-    while (node) {
-      var nextNode = node.nextSibling;
-      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
-        element.removeChild(node);
-      node = nextNode;
-    }
-    return element;
-  },
-
-  empty: function(element) {
-    return $(element).innerHTML.match(/^\s*$/);
-  },
-
-  childOf: function(element, ancestor) {
-    element = $(element), ancestor = $(ancestor);
-    while (element = element.parentNode)
-      if (element == ancestor) return true;
-    return false;
-  },
-
-  scrollTo: function(element) {
-    element = $(element);
-    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 (!value) {
-      if (document.defaultView && document.defaultView.getComputedStyle) {
-        var css = document.defaultView.getComputedStyle(element, null);
-        value = css ? css.getPropertyValue(style) : null;
-      } else if (element.currentStyle) {
-        value = element.currentStyle[style.camelize()];
-      }
-    }
-
-    if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
-      if (Element.getStyle(element, 'position') == 'static') value = 'auto';
-
-    return value == 'auto' ? null : value;
-  },
-
-  setStyle: function(element, style) {
-    element = $(element);
-    for (var name in style)
-      element.style[name.camelize()] = style[name];
-    return element;
-  },
-
-  getDimensions: function(element) {
-    element = $(element);
-    if (Element.getStyle(element, 'display') != 'none')
-      return {width: element.offsetWidth, height: element.offsetHeight};
-
-    // All *Width and *Height properties give 0 on elements with display none,
-    // so enable the element temporarily
-    var els = element.style;
-    var originalVisibility = els.visibility;
-    var originalPosition = els.position;
-    els.visibility = 'hidden';
-    els.position = 'absolute';
-    els.display = '';
-    var originalWidth = element.clientWidth;
-    var originalHeight = element.clientHeight;
-    els.display = 'none';
-    els.position = originalPosition;
-    els.visibility = originalVisibility;
-    return {width: originalWidth, height: originalHeight};
-  },
-
-  makePositioned: function(element) {
-    element = $(element);
-    var pos = Element.getStyle(element, 'position');
-    if (pos == 'static' || !pos) {
-      element._madePositioned = true;
-      element.style.position = 'relative';
-      // Opera returns the offset relative to the positioning context, when an
-      // element is position relative but top and left have not been defined
-      if (window.opera) {
-        element.style.top = 0;
-        element.style.left = 0;
-      }
-    }
-    return element;
-  },
-
-  undoPositioned: function(element) {
-    element = $(element);
-    if (element._madePositioned) {
-      element._madePositioned = undefined;
-      element.style.position =
-        element.style.top =
-        element.style.left =
-        element.style.bottom =
-        element.style.right = '';
-    }
-    return element;
-  },
-
-  makeClipping: function(element) {
-    element = $(element);
-    if (element._overflow) return;
-    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 == 'auto' ? '' : element._overflow;
-    element._overflow = null;
-    return element;
-  }
-}
-
-// IE is missing .innerHTML support for TABLE-related elements
-if(document.all){
-  Element.Methods.update = function(element, html) {
-    element = $(element);
-    var tagName = element.tagName.toUpperCase();
-    if (['THEAD','TBODY','TR','TD'].indexOf(tagName) > -1) {
-      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 (!window.HTMLElement && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
-  /* Emulate HTMLElement, HTMLFormElement, HTMLInputElement, HTMLTextAreaElement,
-     and HTMLSelectElement in Safari */
-  ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) {
-    var klass = window['HTML' + tag + 'Element'] = {};
-    klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__;
-  });
-}
-
-Element.addMethods = function(methods) {
-  Object.extend(Element.Methods, methods || {});
-
-  function copy(methods, destination) {
-    var cache = Element.extend.cache;
-    for (var property in methods) {
-      var value = methods[property];
-      destination[property] = cache.findOrStore(value);
-    }
-  }
-
-  if (typeof HTMLElement != 'undefined') {
-    copy(Element.Methods, HTMLElement.prototype);
-    copy(Form.Methods, HTMLFormElement.prototype);
-    [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) {
-      copy(Form.Element.Methods, klass.prototype);
-    });
-    _nativeExtensions = true;
-  }
-}
-
-var Toggle = new Object();
-Toggle.display = Element.toggle;
-
-/*--------------------------------------------------------------------------*/
-
-Abstract.Insertion = function(adjacency) {
-  this.adjacency = adjacency;
-}
-
-Abstract.Insertion.prototype = {
-  initialize: function(element, content) {
-    this.element = $(element);
-    this.content = content.stripScripts();
-
-    if (this.adjacency && this.element.insertAdjacentHTML) {
-      try {
-        this.element.insertAdjacentHTML(this.adjacency, this.content);
-      } catch (e) {
-        var tagName = this.element.tagName.toLowerCase();
-        if (tagName == 'tbody' || tagName == 'tr') {
-          this.insertContent(this.contentFromAnonymousTable());
-        } else {
-          throw e;
-        }
-      }
-    } else {
-      this.range = this.element.ownerDocument.createRange();
-      if (this.initializeRange) this.initializeRange();
-      this.insertContent([this.range.createContextualFragment(this.content)]);
-    }
-
-    setTimeout(function() {content.evalScripts()}, 10);
-  },
-
-  contentFromAnonymousTable: function() {
-    var div = document.createElement('div');
-    div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
-    return $A(div.childNodes[0].childNodes[0].childNodes);
-  }
-}
-
-var Insertion = new Object();
-
-Insertion.Before = Class.create();
-Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
-  initializeRange: function() {
-    this.range.setStartBefore(this.element);
-  },
-
-  insertContent: function(fragments) {
-    fragments.each((function(fragment) {
-      this.element.parentNode.insertBefore(fragment, this.element);
-    }).bind(this));
-  }
-});
-
-Insertion.Top = Class.create();
-Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
-  initializeRange: function() {
-    this.range.selectNodeContents(this.element);
-    this.range.collapse(true);
-  },
-
-  insertContent: function(fragments) {
-    fragments.reverse(false).each((function(fragment) {
-      this.element.insertBefore(fragment, this.element.firstChild);
-    }).bind(this));
-  }
-});
-
-Insertion.Bottom = Class.create();
-Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
-  initializeRange: function() {
-    this.range.selectNodeContents(this.element);
-    this.range.collapse(this.element);
-  },
-
-  insertContent: function(fragments) {
-    fragments.each((function(fragment) {
-      this.element.appendChild(fragment);
-    }).bind(this));
-  }
-});
-
-Insertion.After = Class.create();
-Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
-  initializeRange: function() {
-    this.range.setStartAfter(this.element);
-  },
-
-  insertContent: function(fragments) {
-    fragments.each((function(fragment) {
-      this.element.parentNode.insertBefore(fragment,
-        this.element.nextSibling);
-    }).bind(this));
-  }
-});
-
-/*--------------------------------------------------------------------------*/
-
-Element.ClassNames = Class.create();
-Element.ClassNames.prototype = {
-  initialize: function(element) {
-    this.element = $(element);
-  },
-
-  _each: function(iterator) {
-    this.element.className.split(/\s+/).select(function(name) {
-      return name.length > 0;
-    })._each(iterator);
-  },
-
-  set: function(className) {
-    this.element.className = className;
-  },
-
-  add: function(classNameToAdd) {
-    if (this.include(classNameToAdd)) return;
-    this.set(this.toArray().concat(classNameToAdd).join(' '));
-  },
-
-  remove: function(classNameToRemove) {
-    if (!this.include(classNameToRemove)) return;
-    this.set(this.select(function(className) {
-      return className != classNameToRemove;
-    }).join(' '));
-  },
-
-  toString: function() {
-    return this.toArray().join(' ');
-  }
-}
-
-Object.extend(Element.ClassNames.prototype, Enumerable);
-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.id == ' + clause.inspect());
-    if (clause = params.tagName)
-      conditions.push('element.tagName.toUpperCase() == ' + clause.inspect());
-    if ((clause = params.classNames).length > 0)
-      for (var i = 0; i < clause.length; i++)
-        conditions.push('Element.hasClassName(element, ' + clause[i].inspect() + ')');
-    if (clause = params.attributes) {
-      clause.each(function(attribute) {
-        var value = 'element.getAttribute(' + 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(value + ' != null'); break;
-          default:        throw 'Unknown operator ' + attribute.operator + ' in selector';
-        }
-      });
-    }
-
-    return conditions.join(' && ');
-  },
-
-  compileMatcher: function() {
-    this.match = new Function('element', 'if (!element.tagName) return false; \
-      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; i < scope.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));
-  },
-
-  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.strip().split(/\s+/).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) {
-    $(form).reset();
-    return form;
-  }
-};
-
-Form.Methods = {
-  serialize: function(form) {
-    var elements = Form.getElements($(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 (var 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) {
-    form = $(form);
-    var elements = Form.getElements(form);
-    for (var i = 0; i < elements.length; i++) {
-      var element = elements[i];
-      element.blur();
-      element.disabled = 'true';
-    }
-    return form;
-  },
-
-  enable: function(form) {
-    form = $(form);
-    var elements = Form.getElements(form);
-    for (var i = 0; i < elements.length; i++) {
-      var element = elements[i];
-      element.disabled = '';
-    }
-    return form;
-  },
-
-  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) {
-    form = $(form);
-    Field.activate(Form.findFirstElement(form));
-    return form;
-  }
-}
-
-Object.extend(Form, Form.Methods);
-
-/*--------------------------------------------------------------------------*/
-
-Form.Element = {
-  focus: function(element) {
-    $(element).focus();
-    return element;
-  },
-
-  select: function(element) {
-    $(element).select();
-    return element;
-  }
-}
-
-Form.Element.Methods = {
-  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];
-  },
-
-  clear: function(element) {
-    $(element).value = '';
-    return element;
-  },
-
-  present: function(element) {
-    return $(element).value != '';
-  },
-
-  activate: function(element) {
-    element = $(element);
-    element.focus();
-    if (element.select)
-      element.select();
-    return element;
-  },
-
-  disable: function(element) {
-    element = $(element);
-    element.disabled = '';
-    return element;
-  },
-
-  enable: function(element) {
-    element = $(element);
-    element.blur();
-    element.disabled = 'true';
-    return element;
-  }
-}
-
-Object.extend(Form.Element, Form.Element.Methods);
-var Field = Form.Element;
-
-/*--------------------------------------------------------------------------*/
-
-Form.Element.Serializers = {
-  input: function(element) {
-    switch (element.type.toLowerCase()) {
-      case 'checkbox':
-      case 'radio':
-        return Form.Element.Serializers.inputSelector(element);
-      default:
-        return Form.Element.Serializers.textarea(element);
-    }
-    return false;
-  },
-
-  inputSelector: function(element) {
-    if (element.checked)
-      return [element.name, element.value];
-  },
-
-  textarea: function(element) {
-    return [element.name, element.value];
-  },
-
-  select: function(element) {
-    return Form.Element.Serializers[element.type == 'select-one' ?
-&nb