# HG changeset patch
# User Tero Marttila <terom@fixme.fi>
# Date 1244043386 -10800
# Node ID 64a0168a6f50138b0bf1bd9a6967e455726871ba
# Parent  73aef1124b67797076e6f069f6acb993e111d039
temporarily remove old taggr stuff that was never finished

diff -r 73aef1124b67 -r 64a0168a6f50 de-cgi-bin/taggr.py
--- a/de-cgi-bin/taggr.py	Wed Jun 03 18:36:17 2009 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,105 +0,0 @@
-#!/usr/bin/env python2.4
-#
-# DeGAL - A pretty simple web image gallery
-# Copyright (C) 2007 Tero Marttila
-# http://marttila.de/~terom/degal/
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the
-# Free Software Foundation, Inc.,
-# 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-#
-
-
-import cgi
-import shelve
-import os, os.path
-
-import degal
-
-images = shelve.open('images', 'c')
-tag_images = shelve.open('tag_images', 'c')
-tag_tags = shelve.open('tag_tags', 'c')
-
-# request params
-vars = cgi.FieldStorage()
-
-if 'path' in vars :
-    path = vars['path'].value
-else :
-    path = '.'
-
-image_list = []
-
-if 'bulk_tag' in vars :
-    bulk_tags = vars['bulk_tag'].value.split()
-else :
-    bulk_tags = None
-
-for fname in os.listdir(path) :
-    if degal.isImage(fname) :
-        image_path = os.path.join(path, fname)
-        thumb_path = os.path.join(path, degal.THUMB_DIR, fname)
-        html_path = image_path + '.html'
-
-        title, descr, tags = images.get(image_path, (None, None, []))
-        
-        if 'img_%s_title' % fname in vars :
-            title = vars['img_%s_title' % fname].value
-        
-        if 'img_%s_descr' % fname in vars :
-            descr = vars['img_%s_descr' % fname].value
-
-        if 'img_%s_tags' % fname in vars :
-            tags = vars['img_%s_tags' % fname].value.split()
-
-        if bulk_tags and 'img_%s_chk' % fname in vars :
-            tags.extend(bulk_tags)
-        
-        if title or descr or tags :
-           images[image_path] = (title, descr, tags)
-
-        html = """
-<li>
-    <span class="inputs">
-        <label for="img_%(fname)s_title">Title</label> <input type="text" name="img_%(fname)s_title" size="60" value="%(title)s" /> <br/>
-        <label for="img_%(fname)s_descr">Description</label> <input type="text" name="img_%(fname)s_descr" size="60" value="%(descr)s" /> <br/>
-        <label for="img_%(fname)s_tags">Tags</label> <input type="text" name="img_%(fname)s_tags" size="60" value="%(tags)s" /> <br/>
-    </span>
-    
-    <input type="checkbox" name="img_%(fname)s_chk" class="chk" />
-    
-    <span class="thumb"><a href="%(html_path)s"><img src="%(thumb_path)s" /></a></span>
-</li>
-        """ % dict(
-            html_path       = html_path,
-            thumb_path      = thumb_path,
-            fname           = fname,
-            title           = title and title or '',
-            descr           = descr and descr or '',
-            tags            = tags and ' '.join(tags) or '',
-        )
-
-        image_list.append((fname, html))
-
-image_list.sort()
-
-print "Content-Type: text/html"
-print
-print degal.Template('taggr').render(
-    TITLE       = "Taggr - %s" % path,
-    BREADCRUMB  = "TODO",
-    CONTENT     = "<ul>" + ''.join([h for fname, h in image_list]) + "</ul>",
-    PATH        = path,
-)
-
diff -r 73aef1124b67 -r 64a0168a6f50 de-cgi-bin/taggr2.py
--- a/de-cgi-bin/taggr2.py	Wed Jun 03 18:36:17 2009 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,112 +0,0 @@
-#!/usr/bin/env python2.5
-#
-# DeGAL - A pretty simple web image gallery
-# Copyright (C) 2007 Tero Marttila
-# http://marttila.de/~terom/degal/
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the
-# Free Software Foundation, Inc.,
-# 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-#
-
-import os, os.path
-
-import inc
-from lib import db, shorturl, settings, utils, template, req
-
-
-tpl = template.Template("taggr")
-
-act = req.get_str("act", None)
-path = req.get_str("path", None)
-
-print "Content-Type: text/html"
-print
-
-def dirlist (path) :
-    if '.' in path[1:] :
-        raise ValueError("invalid path")
-
-    dirs = []
-    imgs = []
-    
-    for fname in os.listdir(path) :
-        fpath = os.path.join(path, fname).lstrip('.').lstrip('/')
-
-        if fname.startswith('.') :
-            continue
-
-        if fname in (settings.THUMB_DIR, settings.PREVIEW_DIR) :
-            continue
-
-        if os.path.isdir(fpath) :
-            dirs.append((fname, fpath))
-
-        elif utils.isImage(fname) :
-            id = db.select("""SELECT id FROM images WHERE dirpath=? AND filename=?""", path, fname).fetchone()[0]
-
-            tags = [tag for type, tag in db.select("""SELECT type, tag FROM tags WHERE image=?""", id)]
-
-            imgs.append((id, os.path.join(path, settings.THUMB_DIR, fname), tags))
-
-    dirs.sort()
-    imgs.sort()
-
-    return dirs, imgs
-
-if act == "dirlist" :
-    dirs, imgs = dirlist(path)
-
-    print template.Template("taggr_dir").render(
-        subdirs                 = dirs,
-        images                  = imgs,
-    )
-
-elif act == "tag" :
-    img_list = req.get_int_list("img")
-    tag_list = req.get_str_list("tag")
-
-    db.insert_many("""INSERT INTO tags (image, tag) VALUES (?, ?)""", ((img, tag) for img in img_list for tag in tag_list))
-
-    print "OK"
-
-elif act == "untag" :
-    img = req.get_int("img")
-    tag = req.get_str("tag")
-
-    db.delete("""DELETE FROM tags WHERE image=? AND tag=?""", img, tag)
-
-    print "OK"
-
-elif act == None :
-    dirs, imgs = dirlist(".")
-
-    if path :
-        open_dir = path
-        open_dir_contents = dirlist(path)
-    else :
-        open_dir = open_dir_contents = None
-    
-    print template.Template("taggr").render(
-        stylesheet_url          = utils.url("style.css", up=1),
-        title                   = "Taggr",
-        breadcrumb              = [(utils.url(up=1), "Index"), (utils.url("."), "Taggr")],
-
-        subdirs                 = dirs,
-        images                  = imgs,
-
-        open_dir                = open_dir,
-        open_dir_contents       = open_dir_contents,
-    )
-
diff -r 73aef1124b67 -r 64a0168a6f50 de-cgi-bin/tags.py
--- a/de-cgi-bin/tags.py	Wed Jun 03 18:36:17 2009 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,93 +0,0 @@
-#!/usr/bin/env python2.4
-#
-# DeGAL - A pretty simple web image gallery
-# Copyright (C) 2007 Tero Marttila
-# http://marttila.de/~terom/degal/
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the
-# Free Software Foundation, Inc.,
-# 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-#
-
-import cgi
-
-import inc
-from lib import tags, template, req, shorturl, utils, settings
-
-tag_list = [tag for tag in req.get_str("tags", "").split("/") if tag]
-
-tag_db = tags.TagDB()
-shorturl_db = shorturl.DB()
-
-root = len(tag_list) + 1
-
-class Tag (object) :
-    def __init__ (self, name, count) :
-        self.title = "%s (%d)" % (name, count)
-        self.name = utils.url(name, trailing=True)
-
-class TagView (object) :
-    def __init__ (self, tag_list) :
-        img_codes = tag_db.imgs(tag_list)
-        more_tags = tag_db.tags(tag_list)
-
-        self.images = []
-
-        for index, key in enumerate(img_codes) :
-            dir, fname = shorturl_db.image_info(key)
-
-            img = Image(key, dir, fname, index)
-            self.images.append(img)
-
-        self.tags = [Tag(name, count) for (name, count) in more_tags]
-
-    def render (self) :
-        descr = ""
-        return template.gallery.render(
-            stylesheet_url      = utils.url("style.css", up=root),
-            
-            breadcrumb          = [(utils.url(up=root), "Index"), (utils.url(up=root-1), "Tags")] + [(utils.url(up=root-(n+1), trailing=True), tag) for n, tag in enumerate(tag_list)],
-
-            title               = "Tags :: %s" % (" &raquo; ".join(tag_list) or "All"),
-
-            num_pages           = 1,
-            cur_page            = 0,
-
-            dirs                = self.tags,
-            images              = self.images,
-
-            description         = descr,
-
-            shorturl            = None,
-            shorturl_code       = None,
-        )
-    
-class Image (object) :
-    def __init__ (self, key, dir, fname, index) :
-        self.fname = fname
-        self.name = utils.url_join(dir, fname, abs=True)
-        self.html_name = utils.url_join(dir, fname + ".html", abs=True)
-        self.thumb_name = utils.url_join(dir, settings.THUMB_DIR, fname, abs=True)
-        self.preview_name = utils.url_join(dir, settings.PREVIEW_DIR, fname, abs=True)
-
-        self.shorturl = key
-
-        self.prev = self.next = None
-
-tagview = TagView(tag_list)
-
-print "Content-Type: text/html"
-print
-print tagview.render()
-
diff -r 73aef1124b67 -r 64a0168a6f50 detag.py
--- a/detag.py	Wed Jun 03 18:36:17 2009 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,46 +0,0 @@
-#!/usr/bin/env python2.4
-#
-# DeGAL - A pretty simple web image gallery
-# Copyright (C) 2007 Tero Marttila
-# http://marttila.de/~terom/degal/
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the
-# Free Software Foundation, Inc.,
-# 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-#
-
-from lib import tags, shorturl
-
-from sys import argv
-
-argv.pop(0)
-
-pos = argv.index("--")
-
-image_list = argv[:pos]
-tag_list = argv[pos+1:]
-
-tag_db = tags.TagDB(read_only=False)
-shorturl_db = shorturl.DB()
-
-img_codes = shorturl_db.shorturls_for(image_list)
-
-print "Have %d images and %d tags" % (len(img_codes), len(tag_list))
-
-for img_code in img_codes :
-    for tag in tag_list :
-        tag_db.tag(img_code, tag)
-
-tag_db.close()
-
diff -r 73aef1124b67 -r 64a0168a6f50 javascript/effects.js
--- a/javascript/effects.js	Wed Jun 03 18:36:17 2009 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1122 +0,0 @@
-// script.aculo.us effects.js v1.8.1, Thu Jan 03 22:07:12 -0500 2008
-
-// Copyright (c) 2005-2007 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 (Prototype.Browser.WebKit) window.scrollBy(0,0);
-  return element;
-};
-
-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) { }
-};
-
-/*--------------------------------------------------------------------------*/
-
-var Effect = {
-  _elementDoesNotExistError: {
-    name: 'ElementDoesNotExistError',
-    message: 'The specified DOM element does not exist, but is required for this effect to operate'
-  },
-  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) {
-      var pos = ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
-      return pos > 1 ? 1 : pos;
-    },
-    wobble: function(pos) {
-      return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
-    },
-    pulse: function(pos, pulses) { 
-      pulses = pulses || 5; 
-      return (
-        ((pos % (1/pulses)) * pulses).round() == 0 ? 
-              ((pos * pulses * 2) - (pos * pulses * 2).floor()) : 
-          1 - ((pos * pulses * 2) - (pos * pulses * 2).floor())
-        );
-    },
-    spring: function(pos) { 
-      return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6)); 
-    },
-    none: function(pos) {
-      return 0;
-    },
-    full: function(pos) {
-      return 1;
-    }
-  },
-  DefaultOptions: {
-    duration:   1.0,   // seconds
-    fps:        100,   // 100= assume 66fps max.
-    sync:       false, // true for combining
-    from:       0.0,
-    to:         1.0,
-    delay:      0.0,
-    queue:      'parallel'
-  },
-  tagifyText: function(element) {
-    var tagifyStyle = 'position:relative';
-    if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';
-    
-    element = $(element);
-    $A(element.childNodes).each( function(child) {
-      if (child.nodeType==3) {
-        child.nodeValue.toArray().each( function(character) {
-          element.insertBefore(
-            new Element('span', {style: tagifyStyle}).update(
-              character == ' ' ? String.fromCharCode(160) : character), 
-              child);
-        });
-        Element.remove(child);
-      }
-    });
-  },
-  multiple: function(element, effect) {
-    var elements;
-    if (((typeof element == 'object') || 
-        Object.isFunction(element)) && 
-       (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);
-  }
-};
-
-Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;
-
-/* ------------- core effects ------------- */
-
-Effect.ScopedQueue = Class.create(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 = Object.isString(effect.options.queue) ? 
-      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++) 
-      this.effects[i] && this.effects[i].loop(timePos);
-  }
-});
-
-Effect.Queues = {
-  instances: $H(),
-  get: function(queueName) {
-    if (!Object.isString(queueName)) return queueName;
-    
-    return this.instances.get(queueName) ||
-      this.instances.set(queueName, new Effect.ScopedQueue());
-  }
-};
-Effect.Queue = Effect.Queues.get('global');
-
-Effect.Base = Class.create({
-  position: null,
-  start: function(options) {
-    function codeForEvent(options,eventName){
-      return (
-        (options[eventName+'Internal'] ? 'this.options.'+eventName+'Internal(this);' : '') +
-        (options[eventName] ? 'this.options.'+eventName+'(this);' : '')
-      );
-    }
-    if (options && options.transition === false) options.transition = Effect.Transitions.linear;
-    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.fromToDelta  = this.options.to-this.options.from;
-    this.totalTime    = this.finishOn-this.startOn;
-    this.totalFrames  = this.options.fps*this.options.duration;
-    
-    eval('this.render = function(pos){ '+
-      'if (this.state=="idle"){this.state="running";'+
-      codeForEvent(this.options,'beforeSetup')+
-      (this.setup ? 'this.setup();':'')+ 
-      codeForEvent(this.options,'afterSetup')+
-      '};if (this.state=="running"){'+
-      'pos=this.options.transition(pos)*'+this.fromToDelta+'+'+this.options.from+';'+
-      'this.position=pos;'+
-      codeForEvent(this.options,'beforeUpdate')+
-      (this.update ? 'this.update(pos);':'')+
-      codeForEvent(this.options,'afterUpdate')+
-      '}}');
-    
-    this.event('beforeStart');
-    if (!this.options.sync)
-      Effect.Queues.get(Object.isString(this.options.queue) ? 
-        '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.totalTime,
-          frame = (pos * this.totalFrames).round();
-      if (frame > this.currentFrame) {
-        this.render(pos);
-        this.currentFrame = frame;
-      }
-    }
-  },
-  cancel: function() {
-    if (!this.options.sync)
-      Effect.Queues.get(Object.isString(this.options.queue) ? 
-        '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 (!Object.isFunction(this[property])) data.set(property, this[property]);
-    return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
-  }
-});
-
-Effect.Parallel = Class.create(Effect.Base, {
-  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.Tween = Class.create(Effect.Base, {
-  initialize: function(object, from, to) {
-    object = Object.isString(object) ? $(object) : object;
-    var args = $A(arguments), method = args.last(), 
-      options = args.length == 5 ? args[3] : null;
-    this.method = Object.isFunction(method) ? method.bind(object) :
-      Object.isFunction(object[method]) ? object[method].bind(object) : 
-      function(value) { object[method] = value };
-    this.start(Object.extend({ from: from, to: to }, options || { }));
-  },
-  update: function(position) {
-    this.method(position);
-  }
-});
-
-Effect.Event = Class.create(Effect.Base, {
-  initialize: function() {
-    this.start(Object.extend({ duration: 0 }, arguments[0] || { }));
-  },
-  update: Prototype.emptyFunction
-});
-
-Effect.Opacity = Class.create(Effect.Base, {
-  initialize: function(element) {
-    this.element = $(element);
-    if (!this.element) throw(Effect._elementDoesNotExistError);
-    // make this work on IE on elements without 'layout'
-    if (Prototype.Browser.IE && (!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(Effect.Base, {
-  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() {
-    this.element.makePositioned();
-    this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
-    this.originalTop  = parseFloat(this.element.getStyle('top')  || '0');
-    if (this.options.mode == 'absolute') {
-      this.options.x = this.options.x - this.originalLeft;
-      this.options.y = this.options.y - this.originalTop;
-    }
-  },
-  update: function(position) {
-    this.element.setStyle({
-      left: (this.options.x  * position + this.originalLeft).round() + 'px',
-      top:  (this.options.y  * position + this.originalTop).round()  + '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(Effect.Base, {
-  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 = width.round() + 'px';
-    if (this.options.scaleY) d.height = height.round() + '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(Effect.Base, {
-  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+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
-  },
-  finish: function() {
-    this.element.setStyle(Object.extend(this.oldStyle, {
-      backgroundColor: this.options.restorecolor
-    }));
-  }
-});
-
-Effect.ScrollTo = function(element) {
-  var options = arguments[1] || { },
-    scrollOffsets = document.viewport.getScrollOffsets(),
-    elementOffsets = $(element).cumulativeOffset(),
-    max = (window.height || document.body.scrollHeight) - document.viewport.getHeight();  
-
-  if (options.offset) elementOffsets[1] += options.offset;
-
-  return new Effect.Tween(null,
-    scrollOffsets.top,
-    elementOffsets[1] > max ? max : elementOffsets[1],
-    options,
-    function(p){ scrollTo(scrollOffsets.left, p.round()) }
-  );
-};
-
-/* ------------- 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 options = Object.extend({
-    distance: 20,
-    duration: 0.5
-  }, arguments[1] || {});
-  var distance = parseFloat(options.distance);
-  var split = parseFloat(options.duration) / 10.0;
-  var oldStyle = {
-    top: element.getStyle('top'),
-    left: element.getStyle('left') };
-    return new Effect.Move(element,
-      { x:  distance, y: 0, duration: split, afterFinishInternal: function(effect) {
-    new Effect.Move(effect.element,
-      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
-    new Effect.Move(effect.element,
-      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
-    new Effect.Move(effect.element,
-      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
-    new Effect.Move(effect.element,
-      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
-    new Effect.Move(effect.element,
-      { x: -distance, y: 0, duration: split, 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');
-  var elementDimensions = element.getDimensions();
-  return new Effect.Scale(element, window.opera ? 0 : 1,
-   Object.extend({ scaleContent: false, 
-    scaleX: false, 
-    scaleMode: 'box',
-    scaleFrom: 100,
-    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().show();
-    },  
-    afterUpdateInternal: function(effect) {
-      effect.element.down().setStyle({bottom:
-        (effect.dims[0] - effect.element.clientHeight) + 'px' });
-    },
-    afterFinishInternal: function(effect) {
-      effect.element.hide().undoClipping().undoPositioned();
-      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
-    }
-   }, 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(Effect.Base, {
-  initialize: function(element) {
-    this.element = $(element);
-    if (!this.element) throw(Effect._elementDoesNotExistError);
-    var options = Object.extend({
-      style: { }
-    }, arguments[1] || { });
-    
-    if (!Object.isString(options.style)) this.style = $H(options.style);
-    else {
-      if (options.style.include(':'))
-        this.style = options.style.parseStyle();
-      else {
-        this.element.addClassName(options.style);
-        this.style = $H(this.element.getStyles());
-        this.element.removeClassName(options.style);
-        var css = this.element.getStyles();
-        this.style = this.style.reject(function(style) {
-          return style.value == css[style.key];
-        });
-        options.afterFinishInternal = function(effect) {
-          effect.element.addClassName(effect.options.style);
-          effect.transforms.each(function(transform) {
-            effect.element.style[transform.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 $R(0,2).map(function(i){
-        return parseInt( color.slice(i*2+1,i*2+3), 16 ) 
-      });
-    }
-    this.transforms = this.style.map(function(pair){
-      var property = pair[0], value = pair[1], unit = null;
-
-      if (value.parseColor('#zzzzzz') != '#zzzzzz') {
-        value = value.parseColor();
-        unit  = 'color';
-      } else if (property == 'opacity') {
-        value = parseFloat(value);
-        if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
-          this.element.setStyle({zoom: 1});
-      } else if (Element.CSS_LENGTH.test(value)) {
-          var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
-          value = parseFloat(components[1]);
-          unit = (components.length == 3) ? components[2] : null;
-      }
-
-      var originalValue = this.element.getStyle(property);
-      return { 
-        style: property.camelize(), 
-        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 = { }, transform, i = this.transforms.length;
-    while(i--)
-      style[(transform = this.transforms[i]).style] = 
-        transform.unit=='color' ? '#'+
-          (Math.round(transform.originalValue[0]+
-            (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
-          (Math.round(transform.originalValue[1]+
-            (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
-          (Math.round(transform.originalValue[2]+
-            (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
-        (transform.originalValue +
-          (transform.targetValue - transform.originalValue) * position).toFixed(3) + 
-            (transform.unit === null ? '' : transform.unit);
-    this.element.setStyle(style, true);
-  }
-});
-
-Effect.Transform = Class.create({
-  initialize: function(tracks){
-    this.tracks  = [];
-    this.options = arguments[1] || { };
-    this.addTracks(tracks);
-  },
-  addTracks: function(tracks){
-    tracks.each(function(track){
-      track = $H(track);
-      var data = track.values().first();
-      this.tracks.push($H({
-        ids:     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 ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
-        var elements = [$(ids) || $$(ids)].flatten();
-        return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, 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.__parseStyleElement = document.createElement('div');
-String.prototype.parseStyle = function(){
-  var style, styleRules = $H();
-  if (Prototype.Browser.WebKit)
-    style = new Element('div',{style:this}).style;
-  else {
-    String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
-    style = String.__parseStyleElement.childNodes[0].style;
-  }
-  
-  Element.CSS_PROPERTIES.each(function(property){
-    if (style[property]) styleRules.set(property, style[property]); 
-  });
-  
-  if (Prototype.Browser.IE && this.include('opacity'))
-    styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);
-
-  return styleRules;
-};
-
-if (document.defaultView && document.defaultView.getComputedStyle) {
-  Element.getStyles = function(element) {
-    var css = document.defaultView.getComputedStyle($(element), null);
-    return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
-      styles[property] = css[property];
-      return styles;
-    });
-  };
-} else {
-  Element.getStyles = function(element) {
-    element = $(element);
-    var css = element.currentStyle, styles;
-    styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
-      results[property] = css[property];
-      return results;
-    });
-    if (!styles.opacity) styles.opacity = element.getOpacity();
-    return styles;
-  };
-};
-
-Effect.Methods = {
-  morph: function(element, style) {
-    element = $(element);
-    new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
-    return element;
-  },
-  visualEffect: function(element, effect, options) {
-    element = $(element)
-    var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
-    new Effect[klass](element, options);
-    return element;
-  },
-  highlight: function(element, options) {
-    element = $(element);
-    new Effect.Highlight(element, options);
-    return element;
-  }
-};
-
-$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
-  'pulsate shake puff squish switchOff dropOut').each(
-  function(effect) { 
-    Effect.Methods[effect] = function(element, options){
-      element = $(element);
-      Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
-      return element;
-    }
-  }
-);
-
-$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each( 
-  function(f) { Effect.Methods[f] = Element[f]; }
-);
-
-Element.addMethods(Effect.Methods);
diff -r 73aef1124b67 -r 64a0168a6f50 javascript/prototype.js
--- a/javascript/prototype.js	Wed Jun 03 18:36:17 2009 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,4170 +0,0 @@
-/*  Prototype JavaScript framework, version 1.6.0.1
- *  (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://www.prototypejs.org/
- *
- *--------------------------------------------------------------------------*/
-
-var Prototype = {
-  Version: '1.6.0.1',
-
-  Browser: {
-    IE:     !!(window.attachEvent && !window.opera),
-    Opera:  !!window.opera,
-    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
-    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1,
-    MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
-  },
-
-  BrowserFeatures: {
-    XPath: !!document.evaluate,
-    ElementExtensions: !!window.HTMLElement,
-    SpecificElementExtensions:
-      document.createElement('div').__proto__ &&
-      document.createElement('div').__proto__ !==
-        document.createElement('form').__proto__
-  },
-
-  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
-  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
-
-  emptyFunction: function() { },
-  K: function(x) { return x }
-};
-
-if (Prototype.Browser.MobileSafari)
-  Prototype.BrowserFeatures.SpecificElementExtensions = false;
-
-
-/* Based on Alex Arnell's inheritance implementation. */
-var Class = {
-  create: function() {
-    var parent = null, properties = $A(arguments);
-    if (Object.isFunction(properties[0]))
-      parent = properties.shift();
-
-    function klass() {
-      this.initialize.apply(this, arguments);
-    }
-
-    Object.extend(klass, Class.Methods);
-    klass.superclass = parent;
-    klass.subclasses = [];
-
-    if (parent) {
-      var subclass = function() { };
-      subclass.prototype = parent.prototype;
-      klass.prototype = new subclass;
-      parent.subclasses.push(klass);
-    }
-
-    for (var i = 0; i < properties.length; i++)
-      klass.addMethods(properties[i]);
-
-    if (!klass.prototype.initialize)
-      klass.prototype.initialize = Prototype.emptyFunction;
-
-    klass.prototype.constructor = klass;
-
-    return klass;
-  }
-};
-
-Class.Methods = {
-  addMethods: function(source) {
-    var ancestor   = this.superclass && this.superclass.prototype;
-    var properties = Object.keys(source);
-
-    if (!Object.keys({ toString: true }).length)
-      properties.push("toString", "valueOf");
-
-    for (var i = 0, length = properties.length; i < length; i++) {
-      var property = properties[i], value = source[property];
-      if (ancestor && Object.isFunction(value) &&
-          value.argumentNames().first() == "$super") {
-        var method = value, value = Object.extend((function(m) {
-          return function() { return ancestor[m].apply(this, arguments) };
-        })(property).wrap(method), {
-          valueOf:  function() { return method },
-          toString: function() { return method.toString() }
-        });
-      }
-      this.prototype[property] = value;
-    }
-
-    return this;
-  }
-};
-
-var Abstract = { };
-
-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.isUndefined(object)) return 'undefined';
-      if (object === null) return 'null';
-      return object.inspect ? object.inspect() : object.toString();
-    } catch (e) {
-      if (e instanceof RangeError) return '...';
-      throw e;
-    }
-  },
-
-  toJSON: function(object) {
-    var type = typeof object;
-    switch (type) {
-      case 'undefined':
-      case 'function':
-      case 'unknown': return;
-      case 'boolean': return object.toString();
-    }
-
-    if (object === null) return 'null';
-    if (object.toJSON) return object.toJSON();
-    if (Object.isElement(object)) return;
-
-    var results = [];
-    for (var property in object) {
-      var value = Object.toJSON(object[property]);
-      if (!Object.isUndefined(value))
-        results.push(property.toJSON() + ': ' + value);
-    }
-
-    return '{' + results.join(', ') + '}';
-  },
-
-  toQueryString: function(object) {
-    return $H(object).toQueryString();
-  },
-
-  toHTML: function(object) {
-    return object && object.toHTML ? object.toHTML() : String.interpret(object);
-  },
-
-  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);
-  },
-
-  isElement: function(object) {
-    return object && object.nodeType == 1;
-  },
-
-  isArray: function(object) {
-    return object && object.constructor === Array;
-  },
-
-  isHash: function(object) {
-    return object instanceof Hash;
-  },
-
-  isFunction: function(object) {
-    return typeof object == "function";
-  },
-
-  isString: function(object) {
-    return typeof object == "string";
-  },
-
-  isNumber: function(object) {
-    return typeof object == "number";
-  },
-
-  isUndefined: function(object) {
-    return typeof object == "undefined";
-  }
-});
-
-Object.extend(Function.prototype, {
-  argumentNames: function() {
-    var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");
-    return names.length == 1 && !names[0] ? [] : names;
-  },
-
-  bind: function() {
-    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
-    var __method = this, args = $A(arguments), object = args.shift();
-    return function() {
-      return __method.apply(object, args.concat($A(arguments)));
-    }
-  },
-
-  bindAsEventListener: function() {
-    var __method = this, args = $A(arguments), object = args.shift();
-    return function(event) {
-      return __method.apply(object, [event || window.event].concat(args));
-    }
-  },
-
-  curry: function() {
-    if (!arguments.length) return this;
-    var __method = this, args = $A(arguments);
-    return function() {
-      return __method.apply(this, args.concat($A(arguments)));
-    }
-  },
-
-  delay: function() {
-    var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
-    return window.setTimeout(function() {
-      return __method.apply(__method, args);
-    }, timeout);
-  },
-
-  wrap: function(wrapper) {
-    var __method = this;
-    return function() {
-      return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
-    }
-  },
-
-  methodize: function() {
-    if (this._methodized) return this._methodized;
-    var __method = this;
-    return this._methodized = function() {
-      return __method.apply(null, [this].concat($A(arguments)));
-    };
-  }
-});
-
-Function.prototype.defer = Function.prototype.delay.curry(0.01);
-
-Date.prototype.toJSON = function() {
-  return '"' + this.getUTCFullYear() + '-' +
-    (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
-    this.getUTCDate().toPaddedString(2) + 'T' +
-    this.getUTCHours().toPaddedString(2) + ':' +
-    this.getUTCMinutes().toPaddedString(2) + ':' +
-    this.getUTCSeconds().toPaddedString(2) + 'Z"';
-};
-
-var Try = {
-  these: function() {
-    var returnValue;
-
-    for (var i = 0, length = arguments.length; i < length; i++) {
-      var lambda = arguments[i];
-      try {
-        returnValue = lambda();
-        break;
-      } catch (e) { }
-    }
-
-    return returnValue;
-  }
-};
-
-RegExp.prototype.match = RegExp.prototype.test;
-
-RegExp.escape = function(str) {
-  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
-};
-
-/*--------------------------------------------------------------------------*/
-
-var PeriodicalExecuter = Class.create({
-  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);
-  },
-
-  execute: function() {
-    this.callback(this);
-  },
-
-  stop: function() {
-    if (!this.timer) return;
-    clearInterval(this.timer);
-    this.timer = null;
-  },
-
-  onTimerEvent: function() {
-    if (!this.currentlyExecuting) {
-      try {
-        this.currentlyExecuting = true;
-        this.execute();
-      } finally {
-        this.currentlyExecuting = false;
-      }
-    }
-  }
-});
-Object.extend(String, {
-  interpret: function(value) {
-    return value == null ? '' : String(value);
-  },
-  specialChar: {
-    '\b': '\\b',
-    '\t': '\\t',
-    '\n': '\\n',
-    '\f': '\\f',
-    '\r': '\\r',
-    '\\': '\\\\'
-  }
-});
-
-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 = Object.isUndefined(count) ? 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 String(this);
-  },
-
-  truncate: function(length, truncation) {
-    length = length || 30;
-    truncation = Object.isUndefined(truncation) ? '...' : truncation;
-    return this.length > length ?
-      this.slice(0, length - truncation.length) + truncation : String(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 self = arguments.callee;
-    self.text.data = this;
-    return self.div.innerHTML;
-  },
-
-  unescapeHTML: function() {
-    var div = new Element('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 key = decodeURIComponent(pair.shift());
-        var value = pair.length > 1 ? pair.join('=') : pair[0];
-        if (value != undefined) value = decodeURIComponent(value);
-
-        if (key in hash) {
-          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
-          hash[key].push(value);
-        }
-        else hash[key] = 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);
-  },
-
-  times: function(count) {
-    return count < 1 ? '' : new Array(count + 1).join(this);
-  },
-
-  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.gsub(/[\x00-\x1f\\]/, function(match) {
-      var character = String.specialChar[match[0]];
-      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
-    });
-    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
-    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
-  },
-
-  toJSON: function() {
-    return this.inspect(true);
-  },
-
-  unfilterJSON: function(filter) {
-    return this.sub(filter || Prototype.JSONFilter, '#{1}');
-  },
-
-  isJSON: function() {
-    var str = this;
-    if (str.blank()) return false;
-    str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
-    return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
-  },
-
-  evalJSON: function(sanitize) {
-    var json = this.unfilterJSON();
-    try {
-      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
-    } catch (e) { }
-    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
-  },
-
-  include: function(pattern) {
-    return this.indexOf(pattern) > -1;
-  },
-
-  startsWith: function(pattern) {
-    return this.indexOf(pattern) === 0;
-  },
-
-  endsWith: function(pattern) {
-    var d = this.length - pattern.length;
-    return d >= 0 && this.lastIndexOf(pattern) === d;
-  },
-
-  empty: function() {
-    return this == '';
-  },
-
-  blank: function() {
-    return /^\s*$/.test(this);
-  },
-
-  interpolate: function(object, pattern) {
-    return new Template(this, pattern).evaluate(object);
-  }
-});
-
-if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
-  escapeHTML: function() {
-    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
-  },
-  unescapeHTML: function() {
-    return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
-  }
-});
-
-String.prototype.gsub.prepareReplacement = function(replacement) {
-  if (Object.isFunction(replacement)) return replacement;
-  var template = new Template(replacement);
-  return function(match) { return template.evaluate(match) };
-};
-
-String.prototype.parseQuery = String.prototype.toQueryParams;
-
-Object.extend(String.prototype.escapeHTML, {
-  div:  document.createElement('div'),
-  text: document.createTextNode('')
-});
-
-with (String.prototype.escapeHTML) div.appendChild(text);
-
-var Template = Class.create({
-  initialize: function(template, pattern) {
-    this.template = template.toString();
-    this.pattern = pattern || Template.Pattern;
-  },
-
-  evaluate: function(object) {
-    if (Object.isFunction(object.toTemplateReplacements))
-      object = object.toTemplateReplacements();
-
-    return this.template.gsub(this.pattern, function(match) {
-      if (object == null) return '';
-
-      var before = match[1] || '';
-      if (before == '\\') return match[2];
-
-      var ctx = object, expr = match[3];
-      var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
-      match = pattern.exec(expr);
-      if (match == null) return before;
-
-      while (match != null) {
-        var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
-        ctx = ctx[comp];
-        if (null == ctx || '' == match[3]) break;
-        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
-        match = pattern.exec(expr);
-      }
-
-      return before + String.interpret(ctx);
-    }.bind(this));
-  }
-});
-Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
-
-var $break = { };
-
-var Enumerable = {
-  each: function(iterator, context) {
-    var index = 0;
-    iterator = iterator.bind(context);
-    try {
-      this._each(function(value) {
-        iterator(value, index++);
-      });
-    } catch (e) {
-      if (e != $break) throw e;
-    }
-    return this;
-  },
-
-  eachSlice: function(number, iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
-    var index = -number, slices = [], array = this.toArray();
-    while ((index += number) < array.length)
-      slices.push(array.slice(index, index+number));
-    return slices.collect(iterator, context);
-  },
-
-  all: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
-    var result = true;
-    this.each(function(value, index) {
-      result = result && !!iterator(value, index);
-      if (!result) throw $break;
-    });
-    return result;
-  },
-
-  any: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
-    var result = false;
-    this.each(function(value, index) {
-      if (result = !!iterator(value, index))
-        throw $break;
-    });
-    return result;
-  },
-
-  collect: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
-    var results = [];
-    this.each(function(value, index) {
-      results.push(iterator(value, index));
-    });
-    return results;
-  },
-
-  detect: function(iterator, context) {
-    iterator = iterator.bind(context);
-    var result;
-    this.each(function(value, index) {
-      if (iterator(value, index)) {
-        result = value;
-        throw $break;
-      }
-    });
-    return result;
-  },
-
-  findAll: function(iterator, context) {
-    iterator = iterator.bind(context);
-    var results = [];
-    this.each(function(value, index) {
-      if (iterator(value, index))
-        results.push(value);
-    });
-    return results;
-  },
-
-  grep: function(filter, iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
-    var results = [];
-
-    if (Object.isString(filter))
-      filter = new RegExp(filter);
-
-    this.each(function(value, index) {
-      if (filter.match(value))
-        results.push(iterator(value, index));
-    });
-    return results;
-  },
-
-  include: function(object) {
-    if (Object.isFunction(this.indexOf))
-      if (this.indexOf(object) != -1) return true;
-
-    var found = false;
-    this.each(function(value) {
-      if (value == object) {
-        found = true;
-        throw $break;
-      }
-    });
-    return found;
-  },
-
-  inGroupsOf: function(number, fillWith) {
-    fillWith = Object.isUndefined(fillWith) ? null : fillWith;
-    return this.eachSlice(number, function(slice) {
-      while(slice.length < number) slice.push(fillWith);
-      return slice;
-    });
-  },
-
-  inject: function(memo, iterator, context) {
-    iterator = iterator.bind(context);
-    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, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
-    var result;
-    this.each(function(value, index) {
-      value = iterator(value, index);
-      if (result == null || value >= result)
-        result = value;
-    });
-    return result;
-  },
-
-  min: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
-    var result;
-    this.each(function(value, index) {
-      value = iterator(value, index);
-      if (result == null || value < result)
-        result = value;
-    });
-    return result;
-  },
-
-  partition: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
-    var trues = [], falses = [];
-    this.each(function(value, index) {
-      (iterator(value, index) ?
-        trues : falses).push(value);
-    });
-    return [trues, falses];
-  },
-
-  pluck: function(property) {
-    var results = [];
-    this.each(function(value) {
-      results.push(value[property]);
-    });
-    return results;
-  },
-
-  reject: function(iterator, context) {
-    iterator = iterator.bind(context);
-    var results = [];
-    this.each(function(value, index) {
-      if (!iterator(value, index))
-        results.push(value);
-    });
-    return results;
-  },
-
-  sortBy: function(iterator, context) {
-    iterator = iterator.bind(context);
-    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 = $A(arguments);
-    if (Object.isFunction(args.last()))
-      iterator = args.pop();
-
-    var collections = [this].concat(args).map($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,
-  filter:  Enumerable.findAll,
-  member:  Enumerable.include,
-  entries: Enumerable.toArray,
-  every:   Enumerable.all,
-  some:    Enumerable.any
-});
-function $A(iterable) {
-  if (!iterable) return [];
-  if (iterable.toArray) return iterable.toArray();
-  var length = iterable.length || 0, results = new Array(length);
-  while (length--) results[length] = iterable[length];
-  return results;
-}
-
-if (Prototype.Browser.WebKit) {
-  function $A(iterable) {
-    if (!iterable) return [];
-    if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') &&
-        iterable.toArray) return iterable.toArray();
-    var length = iterable.length || 0, results = new Array(length);
-    while (length--) results[length] = iterable[length];
-    return results;
-  }
-}
-
-Array.from = $A;
-
-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(Object.isArray(value) ?
-        value.flatten() : [value]);
-    });
-  },
-
-  without: function() {
-    var values = $A(arguments);
-    return this.select(function(value) {
-      return !values.include(value);
-    });
-  },
-
-  reverse: function(inline) {
-    return (inline !== false ? this : this.toArray())._reverse();
-  },
-
-  reduce: function() {
-    return this.length > 1 ? this : this[0];
-  },
-
-  uniq: function(sorted) {
-    return this.inject([], function(array, value, index) {
-      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
-        array.push(value);
-      return array;
-    });
-  },
-
-  intersect: function(array) {
-    return this.uniq().findAll(function(item) {
-      return array.detect(function(value) { return item === value });
-    });
-  },
-
-  clone: function() {
-    return [].concat(this);
-  },
-
-  size: function() {
-    return this.length;
-  },
-
-  inspect: function() {
-    return '[' + this.map(Object.inspect).join(', ') + ']';
-  },
-
-  toJSON: function() {
-    var results = [];
-    this.each(function(object) {
-      var value = Object.toJSON(object);
-      if (!Object.isUndefined(value)) results.push(value);
-    });
-    return '[' + results.join(', ') + ']';
-  }
-});
-
-// use native browser JS 1.6 implementation if available
-if (Object.isFunction(Array.prototype.forEach))
-  Array.prototype._each = Array.prototype.forEach;
-
-if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
-  i || (i = 0);
-  var length = this.length;
-  if (i < 0) i = length + i;
-  for (; i < length; i++)
-    if (this[i] === item) return i;
-  return -1;
-};
-
-if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
-  i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
-  var n = this.slice(0, i).reverse().indexOf(item);
-  return (n < 0) ? n : i - n - 1;
-};
-
-Array.prototype.toArray = Array.prototype.clone;
-
-function $w(string) {
-  if (!Object.isString(string)) return [];
-  string = string.strip();
-  return string ? string.split(/\s+/) : [];
-}
-
-if (Prototype.Browser.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 (Object.isArray(arguments[i])) {
-        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
-          array.push(arguments[i][j]);
-      } else {
-        array.push(arguments[i]);
-      }
-    }
-    return array;
-  };
-}
-Object.extend(Number.prototype, {
-  toColorPart: function() {
-    return this.toPaddedString(2, 16);
-  },
-
-  succ: function() {
-    return this + 1;
-  },
-
-  times: function(iterator) {
-    $R(0, this, true).each(iterator);
-    return this;
-  },
-
-  toPaddedString: function(length, radix) {
-    var string = this.toString(radix || 10);
-    return '0'.times(length - string.length) + string;
-  },
-
-  toJSON: function() {
-    return isFinite(this) ? this.toString() : 'null';
-  }
-});
-
-$w('abs round ceil floor').each(function(method){
-  Number.prototype[method] = Math[method].methodize();
-});
-function $H(object) {
-  return new Hash(object);
-};
-
-var Hash = Class.create(Enumerable, (function() {
-
-  function toQueryPair(key, value) {
-    if (Object.isUndefined(value)) return key;
-    return key + '=' + encodeURIComponent(String.interpret(value));
-  }
-
-  return {
-    initialize: function(object) {
-      this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
-    },
-
-    _each: function(iterator) {
-      for (var key in this._object) {
-        var value = this._object[key], pair = [key, value];
-        pair.key = key;
-        pair.value = value;
-        iterator(pair);
-      }
-    },
-
-    set: function(key, value) {
-      return this._object[key] = value;
-    },
-
-    get: function(key) {
-      return this._object[key];
-    },
-
-    unset: function(key) {
-      var value = this._object[key];
-      delete this._object[key];
-      return value;
-    },
-
-    toObject: function() {
-      return Object.clone(this._object);
-    },
-
-    keys: function() {
-      return this.pluck('key');
-    },
-
-    values: function() {
-      return this.pluck('value');
-    },
-
-    index: function(value) {
-      var match = this.detect(function(pair) {
-        return pair.value === value;
-      });
-      return match && match.key;
-    },
-
-    merge: function(object) {
-      return this.clone().update(object);
-    },
-
-    update: function(object) {
-      return new Hash(object).inject(this, function(result, pair) {
-        result.set(pair.key, pair.value);
-        return result;
-      });
-    },
-
-    toQueryString: function() {
-      return this.map(function(pair) {
-        var key = encodeURIComponent(pair.key), values = pair.value;
-
-        if (values && typeof values == 'object') {
-          if (Object.isArray(values))
-            return values.map(toQueryPair.curry(key)).join('&');
-        }
-        return toQueryPair(key, values);
-      }).join('&');
-    },
-
-    inspect: function() {
-      return '#<Hash:{' + this.map(function(pair) {
-        return pair.map(Object.inspect).join(': ');
-      }).join(', ') + '}>';
-    },
-
-    toJSON: function() {
-      return Object.toJSON(this.toObject());
-    },
-
-    clone: function() {
-      return new Hash(this);
-    }
-  }
-})());
-
-Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
-Hash.from = $H;
-var ObjectRange = Class.create(Enumerable, {
-  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 (Object.isFunction(responder[callback])) {
-        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 = Class.create({
-  initialize: function(options) {
-    this.options = {
-      method:       'post',
-      asynchronous: true,
-      contentType:  'application/x-www-form-urlencoded',
-      encoding:     'UTF-8',
-      parameters:   '',
-      evalJSON:     true,
-      evalJS:       true
-    };
-    Object.extend(this.options, options || { });
-
-    this.options.method = this.options.method.toLowerCase();
-
-    if (Object.isString(this.options.parameters))
-      this.options.parameters = this.options.parameters.toQueryParams();
-    else if (Object.isHash(this.options.parameters))
-      this.options.parameters = this.options.parameters.toObject();
-  }
-});
-
-Ajax.Request = Class.create(Ajax.Base, {
-  _complete: false,
-
-  initialize: function($super, url, options) {
-    $super(options);
-    this.transport = Ajax.getTransport();
-    this.request(url);
-  },
-
-  request: function(url) {
-    this.url = url;
-    this.method = this.options.method;
-    var params = Object.clone(this.options.parameters);
-
-    if (!['get', 'post'].include(this.method)) {
-      // simulate other verbs over post
-      params['_method'] = this.method;
-      this.method = 'post';
-    }
-
-    this.parameters = params;
-
-    if (params = Object.toQueryString(params)) {
-      // when GET, append parameters to URL
-      if (this.method == 'get')
-        this.url += (this.url.include('?') ? '&' : '?') + params;
-      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
-        params += '&_=';
-    }
-
-    try {
-      var response = new Ajax.Response(this);
-      if (this.options.onCreate) this.options.onCreate(response);
-      Ajax.Responders.dispatch('onCreate', this, response);
-
-      this.transport.open(this.method.toUpperCase(), this.url,
-        this.options.asynchronous);
-
-      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
-
-      this.transport.onreadystatechange = this.onStateChange.bind(this);
-      this.setRequestHeaders();
-
-      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
-      this.transport.send(this.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 (Object.isFunction(extras.push))
-        for (var i = 0, length = extras.length; i < length; i += 2)
-          headers[extras[i]] = extras[i+1];
-      else
-        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
-    }
-
-    for (var name in headers)
-      this.transport.setRequestHeader(name, headers[name]);
-  },
-
-  success: function() {
-    var status = this.getStatus();
-    return !status || (status >= 200 && status < 300);
-  },
-
-  getStatus: function() {
-    try {
-      return this.transport.status || 0;
-    } catch (e) { return 0 }
-  },
-
-  respondToReadyState: function(readyState) {
-    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
-
-    if (state == 'Complete') {
-      try {
-        this._complete = true;
-        (this.options['on' + response.status]
-         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
-         || Prototype.emptyFunction)(response, response.headerJSON);
-      } catch (e) {
-        this.dispatchException(e);
-      }
-
-      var contentType = response.getHeader('Content-type');
-      if (this.options.evalJS == 'force'
-          || (this.options.evalJS && contentType
-          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
-        this.evalResponse();
-    }
-
-    try {
-      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
-      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
-    } 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) || null;
-    } catch (e) { return null }
-  },
-
-  evalResponse: function() {
-    try {
-      return eval((this.transport.responseText || '').unfilterJSON());
-    } catch (e) {
-      this.dispatchException(e);
-    }
-  },
-
-  dispatchException: function(exception) {
-    (this.options.onException || Prototype.emptyFunction)(this, exception);
-    Ajax.Responders.dispatch('onException', this, exception);
-  }
-});
-
-Ajax.Request.Events =
-  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
-
-Ajax.Response = Class.create({
-  initialize: function(request){
-    this.request = request;
-    var transport  = this.transport  = request.transport,
-        readyState = this.readyState = transport.readyState;
-
-    if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
-      this.status       = this.getStatus();
-      this.statusText   = this.getStatusText();
-      this.responseText = String.interpret(transport.responseText);
-      this.headerJSON   = this._getHeaderJSON();
-    }
-
-    if(readyState == 4) {
-      var xml = transport.responseXML;
-      this.responseXML  = Object.isUndefined(xml) ? null : xml;
-      this.responseJSON = this._getResponseJSON();
-    }
-  },
-
-  status:      0,
-  statusText: '',
-
-  getStatus: Ajax.Request.prototype.getStatus,
-
-  getStatusText: function() {
-    try {
-      return this.transport.statusText || '';
-    } catch (e) { return '' }
-  },
-
-  getHeader: Ajax.Request.prototype.getHeader,
-
-  getAllHeaders: function() {
-    try {
-      return this.getAllResponseHeaders();
-    } catch (e) { return null }
-  },
-
-  getResponseHeader: function(name) {
-    return this.transport.getResponseHeader(name);
-  },
-
-  getAllResponseHeaders: function() {
-    return this.transport.getAllResponseHeaders();
-  },
-
-  _getHeaderJSON: function() {
-    var json = this.getHeader('X-JSON');
-    if (!json) return null;
-    json = decodeURIComponent(escape(json));
-    try {
-      return json.evalJSON(this.request.options.sanitizeJSON);
-    } catch (e) {
-      this.request.dispatchException(e);
-    }
-  },
-
-  _getResponseJSON: function() {
-    var options = this.request.options;
-    if (!options.evalJSON || (options.evalJSON != 'force' &&
-      !(this.getHeader('Content-type') || '').include('application/json')) ||
-        this.responseText.blank())
-          return null;
-    try {
-      return this.responseText.evalJSON(options.sanitizeJSON);
-    } catch (e) {
-      this.request.dispatchException(e);
-    }
-  }
-});
-
-Ajax.Updater = Class.create(Ajax.Request, {
-  initialize: function($super, container, url, options) {
-    this.container = {
-      success: (container.success || container),
-      failure: (container.failure || (container.success ? null : container))
-    };
-
-    options = Object.clone(options);
-    var onComplete = options.onComplete;
-    options.onComplete = (function(response, json) {
-      this.updateContent(response.responseText);
-      if (Object.isFunction(onComplete)) onComplete(response, json);
-    }).bind(this);
-
-    $super(url, options);
-  },
-
-  updateContent: function(responseText) {
-    var receiver = this.container[this.success() ? 'success' : 'failure'],
-        options = this.options;
-
-    if (!options.evalScripts) responseText = responseText.stripScripts();
-
-    if (receiver = $(receiver)) {
-      if (options.insertion) {
-        if (Object.isString(options.insertion)) {
-          var insertion = { }; insertion[options.insertion] = responseText;
-          receiver.insert(insertion);
-        }
-        else options.insertion(receiver, responseText);
-      }
-      else receiver.update(responseText);
-    }
-  }
-});
-
-Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
-  initialize: function($super, container, url, options) {
-    $super(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(response) {
-    if (this.options.decay) {
-      this.decay = (response.responseText == this.lastText ?
-        this.decay * this.options.decay : 1);
-
-      this.lastText = response.responseText;
-    }
-    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
-  },
-
-  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 (Object.isString(element))
-    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(Element.extend(query.snapshotItem(i)));
-    return results;
-  };
-}
-
-/*--------------------------------------------------------------------------*/
-
-if (!window.Node) var Node = { };
-
-if (!Node.ELEMENT_NODE) {
-  // DOM level 2 ECMAScript Language Binding
-  Object.extend(Node, {
-    ELEMENT_NODE: 1,
-    ATTRIBUTE_NODE: 2,
-    TEXT_NODE: 3,
-    CDATA_SECTION_NODE: 4,
-    ENTITY_REFERENCE_NODE: 5,
-    ENTITY_NODE: 6,
-    PROCESSING_INSTRUCTION_NODE: 7,
-    COMMENT_NODE: 8,
-    DOCUMENT_NODE: 9,
-    DOCUMENT_TYPE_NODE: 10,
-    DOCUMENT_FRAGMENT_NODE: 11,
-    NOTATION_NODE: 12
-  });
-}
-
-(function() {
-  var element = this.Element;
-  this.Element = function(tagName, attributes) {
-    attributes = attributes || { };
-    tagName = tagName.toLowerCase();
-    var cache = Element.cache;
-    if (Prototype.Browser.IE && attributes.name) {
-      tagName = '<' + tagName + ' name="' + attributes.name + '">';
-      delete attributes.name;
-      return Element.writeAttribute(document.createElement(tagName), attributes);
-    }
-    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
-    return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
-  };
-  Object.extend(this.Element, element || { });
-}).call(window);
-
-Element.cache = { };
-
-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, content) {
-    element = $(element);
-    if (content && content.toElement) content = content.toElement();
-    if (Object.isElement(content)) return element.update().insert(content);
-    content = Object.toHTML(content);
-    element.innerHTML = content.stripScripts();
-    content.evalScripts.bind(content).defer();
-    return element;
-  },
-
-  replace: function(element, content) {
-    element = $(element);
-    if (content && content.toElement) content = content.toElement();
-    else if (!Object.isElement(content)) {
-      content = Object.toHTML(content);
-      var range = element.ownerDocument.createRange();
-      range.selectNode(element);
-      content.evalScripts.bind(content).defer();
-      content = range.createContextualFragment(content.stripScripts());
-    }
-    element.parentNode.replaceChild(content, element);
-    return element;
-  },
-
-  insert: function(element, insertions) {
-    element = $(element);
-
-    if (Object.isString(insertions) || Object.isNumber(insertions) ||
-        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
-          insertions = {bottom:insertions};
-
-    var content, insert, tagName, childNodes;
-
-    for (position in insertions) {
-      content  = insertions[position];
-      position = position.toLowerCase();
-      insert = Element._insertionTranslations[position];
-
-      if (content && content.toElement) content = content.toElement();
-      if (Object.isElement(content)) {
-        insert(element, content);
-        continue;
-      }
-
-      content = Object.toHTML(content);
-
-      tagName = ((position == 'before' || position == 'after')
-        ? element.parentNode : element).tagName.toUpperCase();
-
-      childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
-
-      if (position == 'top' || position == 'after') childNodes.reverse();
-      childNodes.each(insert.curry(element));
-
-      content.evalScripts.bind(content).defer();
-    }
-
-    return element;
-  },
-
-  wrap: function(element, wrapper, attributes) {
-    element = $(element);
-    if (Object.isElement(wrapper))
-      $(wrapper).writeAttribute(attributes || { });
-    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
-    else wrapper = new Element('div', wrapper);
-    if (element.parentNode)
-      element.parentNode.replaceChild(wrapper, element);
-    wrapper.appendChild(element);
-    return wrapper;
-  },
-
-  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 $(element).getElementsBySelector("*");
-  },
-
-  firstDescendant: function(element) {
-    element = $(element).firstChild;
-    while (element && element.nodeType != 1) element = element.nextSibling;
-    return $(element);
-  },
-
-  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 = $(element);
-    return element.previousSiblings().reverse().concat(element.nextSiblings());
-  },
-
-  match: function(element, selector) {
-    if (Object.isString(selector))
-      selector = new Selector(selector);
-    return selector.match($(element));
-  },
-
-  up: function(element, expression, index) {
-    element = $(element);
-    if (arguments.length == 1) return $(element.parentNode);
-    var ancestors = element.ancestors();
-    return Object.isNumber(expression) ? ancestors[expression] :
-      Selector.findElement(ancestors, expression, index);
-  },
-
-  down: function(element, expression, index) {
-    element = $(element);
-    if (arguments.length == 1) return element.firstDescendant();
-    return Object.isNumber(expression) ? element.descendants()[expression] :
-      element.select(expression)[index || 0];
-  },
-
-  previous: function(element, expression, index) {
-    element = $(element);
-    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
-    var previousSiblings = element.previousSiblings();
-    return Object.isNumber(expression) ? previousSiblings[expression] :
-      Selector.findElement(previousSiblings, expression, index);
-  },
-
-  next: function(element, expression, index) {
-    element = $(element);
-    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
-    var nextSiblings = element.nextSiblings();
-    return Object.isNumber(expression) ? nextSiblings[expression] :
-      Selector.findElement(nextSiblings, expression, index);
-  },
-
-  select: function() {
-    var args = $A(arguments), element = $(args.shift());
-    return Selector.findChildElements(element, args);
-  },
-
-  adjacent: function() {
-    var args = $A(arguments), element = $(args.shift());
-    return Selector.findChildElements(element.parentNode, args).without(element);
-  },
-
-  identify: function(element) {
-    element = $(element);
-    var id = element.readAttribute('id'), self = arguments.callee;
-    if (id) return id;
-    do { id = 'anonymous_element_' + self.counter++ } while ($(id));
-    element.writeAttribute('id', id);
-    return id;
-  },
-
-  readAttribute: function(element, name) {
-    element = $(element);
-    if (Prototype.Browser.IE) {
-      var t = Element._attributeTranslations.read;
-      if (t.values[name]) return t.values[name](element, name);
-      if (t.names[name]) name = t.names[name];
-      if (name.include(':')) {
-        return (!element.attributes || !element.attributes[name]) ? null :
-         element.attributes[name].value;
-      }
-    }
-    return element.getAttribute(name);
-  },
-
-  writeAttribute: function(element, name, value) {
-    element = $(element);
-    var attributes = { }, t = Element._attributeTranslations.write;
-
-    if (typeof name == 'object') attributes = name;
-    else attributes[name] = Object.isUndefined(value) ? true : value;
-
-    for (var attr in attributes) {
-      name = t.names[attr] || attr;
-      value = attributes[attr];
-      if (t.values[attr]) name = t.values[attr](element, value);
-      if (value === false || value === null)
-        element.removeAttribute(name);
-      else if (value === true)
-        element.setAttribute(name, name);
-      else element.setAttribute(name, value);
-    }
-    return element;
-  },
-
-  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 = $(element))) return;
-    var elementClassName = element.className;
-    return (elementClassName.length > 0 && (elementClassName == className ||
-      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
-  },
-
-  addClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    if (!element.hasClassName(className))
-      element.className += (element.className ? ' ' : '') + className;
-    return element;
-  },
-
-  removeClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    element.className = element.className.replace(
-      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
-    return element;
-  },
-
-  toggleClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    return element[element.hasClassName(className) ?
-      'removeClassName' : 'addClassName'](className);
-  },
-
-  // 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.blank();
-  },
-
-  descendantOf: function(element, ancestor) {
-    element = $(element), ancestor = $(ancestor);
-    var originalAncestor = ancestor;
-
-    if (element.compareDocumentPosition)
-      return (element.compareDocumentPosition(ancestor) & 8) === 8;
-
-    if (element.sourceIndex && !Prototype.Browser.Opera) {
-      var e = element.sourceIndex, a = ancestor.sourceIndex,
-       nextAncestor = ancestor.nextSibling;
-      if (!nextAncestor) {
-        do { ancestor = ancestor.parentNode; }
-        while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode);
-      }
-      if (nextAncestor) return (e > a && e < nextAncestor.sourceIndex);
-    }
-
-    while (element = element.parentNode)
-      if (element == originalAncestor) return true;
-    return false;
-  },
-
-  scrollTo: function(element) {
-    element = $(element);
-    var pos = element.cumulativeOffset();
-    window.scrollTo(pos[0], pos[1]);
-    return element;
-  },
-
-  getStyle: function(element, style) {
-    element = $(element);
-    style = style == 'float' ? 'cssFloat' : style.camelize();
-    var value = element.style[style];
-    if (!value) {
-      var css = document.defaultView.getComputedStyle(element, null);
-      value = css ? css[style] : null;
-    }
-    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
-    return value == 'auto' ? null : value;
-  },
-
-  getOpacity: function(element) {
-    return $(element).getStyle('opacity');
-  },
-
-  setStyle: function(element, styles) {
-    element = $(element);
-    var elementStyle = element.style, match;
-    if (Object.isString(styles)) {
-      element.style.cssText += ';' + styles;
-      return styles.include('opacity') ?
-        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
-    }
-    for (var property in styles)
-      if (property == 'opacity') element.setOpacity(styles[property]);
-      else
-        elementStyle[(property == 'float' || property == 'cssFloat') ?
-          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
-            property] = styles[property];
-
-    return element;
-  },
-
-  setOpacity: function(element, value) {
-    element = $(element);
-    element.style.opacity = (value == 1 || value === '') ? '' :
-      (value < 0.00001) ? 0 : 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.getStyle(element, 'overflow') || 'auto';
-    if (element._overflow !== '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;
-  },
-
-  cumulativeOffset: function(element) {
-    var valueT = 0, valueL = 0;
-    do {
-      valueT += element.offsetTop  || 0;
-      valueL += element.offsetLeft || 0;
-      element = element.offsetParent;
-    } while (element);
-    return Element._returnOffset(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 Element._returnOffset(valueL, valueT);
-  },
-
-  absolutize: function(element) {
-    element = $(element);
-    if (element.getStyle('position') == 'absolute') return;
-    // Position.prepare(); // To be done manually by Scripty when it needs it.
-
-    var offsets = element.positionedOffset();
-    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';
-    return element;
-  },
-
-  relativize: function(element) {
-    element = $(element);
-    if (element.getStyle('position') == 'relative') return;
-    // Position.prepare(); // To be done manually by Scripty when it needs it.
-
-    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;
-    return element;
-  },
-
-  cumulativeScrollOffset: function(element) {
-    var valueT = 0, valueL = 0;
-    do {
-      valueT += element.scrollTop  || 0;
-      valueL += element.scrollLeft || 0;
-      element = element.parentNode;
-    } while (element);
-    return Element._returnOffset(valueL, valueT);
-  },
-
-  getOffsetParent: 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);
-  },
-
-  viewportOffset: 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 &&
-        Element.getStyle(element, 'position') == 'absolute') break;
-
-    } while (element = element.offsetParent);
-
-    element = forElement;
-    do {
-      if (!Prototype.Browser.Opera || element.tagName == 'BODY') {
-        valueT -= element.scrollTop  || 0;
-        valueL -= element.scrollLeft || 0;
-      }
-    } while (element = element.parentNode);
-
-    return Element._returnOffset(valueL, valueT);
-  },
-
-  clonePosition: function(element, source) {
-    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 = source.viewportOffset();
-
-    // find coordinate system to use
-    element = $(element);
-    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(element, 'position') == 'absolute') {
-      parent = element.getOffsetParent();
-      delta = parent.viewportOffset();
-    }
-
-    // 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)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
-    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
-    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
-    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
-    return element;
-  }
-};
-
-Element.Methods.identify.counter = 1;
-
-Object.extend(Element.Methods, {
-  getElementsBySelector: Element.Methods.select,
-  childElements: Element.Methods.immediateDescendants
-});
-
-Element._attributeTranslations = {
-  write: {
-    names: {
-      className: 'class',
-      htmlFor:   'for'
-    },
-    values: { }
-  }
-};
-
-if (Prototype.Browser.Opera) {
-  Element.Methods.getStyle = Element.Methods.getStyle.wrap(
-    function(proceed, element, style) {
-      switch (style) {
-        case 'left': case 'top': case 'right': case 'bottom':
-          if (proceed(element, 'position') === 'static') return null;
-        case 'height': case 'width':
-          // returns '0px' for hidden elements; we want it to return null
-          if (!Element.visible(element)) return null;
-
-          // returns the border-box dimensions rather than the content-box
-          // dimensions, so we subtract padding and borders from the value
-          var dim = parseInt(proceed(element, style), 10);
-
-          if (dim !== element['offset' + style.capitalize()])
-            return dim + 'px';
-
-          var properties;
-          if (style === 'height') {
-            properties = ['border-top-width', 'padding-top',
-             'padding-bottom', 'border-bottom-width'];
-          }
-          else {
-            properties = ['border-left-width', 'padding-left',
-             'padding-right', 'border-right-width'];
-          }
-          return properties.inject(dim, function(memo, property) {
-            var val = proceed(element, property);
-            return val === null ? memo : memo - parseInt(val, 10);
-          }) + 'px';
-        default: return proceed(element, style);
-      }
-    }
-  );
-
-  Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
-    function(proceed, element, attribute) {
-      if (attribute === 'title') return element.title;
-      return proceed(element, attribute);
-    }
-  );
-}
-
-else if (Prototype.Browser.IE) {
-  $w('positionedOffset getOffsetParent viewportOffset').each(function(method) {
-    Element.Methods[method] = Element.Methods[method].wrap(
-      function(proceed, element) {
-        element = $(element);
-        var position = element.getStyle('position');
-        if (position != 'static') return proceed(element);
-        element.setStyle({ position: 'relative' });
-        var value = proceed(element);
-        element.setStyle({ position: position });
-        return value;
-      }
-    );
-  });
-
-  Element.Methods.getStyle = function(element, style) {
-    element = $(element);
-    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
-    var value = element.style[style];
-    if (!value && element.currentStyle) value = element.currentStyle[style];
-
-    if (style == 'opacity') {
-      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
-        if (value[1]) return parseFloat(value[1]) / 100;
-      return 1.0;
-    }
-
-    if (value == 'auto') {
-      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
-        return element['offset' + style.capitalize()] + 'px';
-      return null;
-    }
-    return value;
-  };
-
-  Element.Methods.setOpacity = function(element, value) {
-    function stripAlpha(filter){
-      return filter.replace(/alpha\([^\)]*\)/gi,'');
-    }
-    element = $(element);
-    var currentStyle = element.currentStyle;
-    if ((currentStyle && !currentStyle.hasLayout) ||
-      (!currentStyle && element.style.zoom == 'normal'))
-        element.style.zoom = 1;
-
-    var filter = element.getStyle('filter'), style = element.style;
-    if (value == 1 || value === '') {
-      (filter = stripAlpha(filter)) ?
-        style.filter = filter : style.removeAttribute('filter');
-      return element;
-    } else if (value < 0.00001) value = 0;
-    style.filter = stripAlpha(filter) +
-      'alpha(opacity=' + (value * 100) + ')';
-    return element;
-  };
-
-  Element._attributeTranslations = {
-    read: {
-      names: {
-        'class': 'className',
-        'for':   'htmlFor'
-      },
-      values: {
-        _getAttr: function(element, attribute) {
-          return element.getAttribute(attribute, 2);
-        },
-        _getAttrNode: function(element, attribute) {
-          var node = element.getAttributeNode(attribute);
-          return node ? node.value : "";
-        },
-        _getEv: function(element, attribute) {
-          attribute = element.getAttribute(attribute);
-          return attribute ? attribute.toString().slice(23, -2) : null;
-        },
-        _flag: function(element, attribute) {
-          return $(element).hasAttribute(attribute) ? attribute : null;
-        },
-        style: function(element) {
-          return element.style.cssText.toLowerCase();
-        },
-        title: function(element) {
-          return element.title;
-        }
-      }
-    }
-  };
-
-  Element._attributeTranslations.write = {
-    names: Object.clone(Element._attributeTranslations.read.names),
-    values: {
-      checked: function(element, value) {
-        element.checked = !!value;
-      },
-
-      style: function(element, value) {
-        element.style.cssText = value ? value : '';
-      }
-    }
-  };
-
-  Element._attributeTranslations.has = {};
-
-  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
-      'encType maxLength readOnly longDesc').each(function(attr) {
-    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
-    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
-  });
-
-  (function(v) {
-    Object.extend(v, {
-      href:        v._getAttr,
-      src:         v._getAttr,
-      type:        v._getAttr,
-      action:      v._getAttrNode,
-      disabled:    v._flag,
-      checked:     v._flag,
-      readonly:    v._flag,
-      multiple:    v._flag,
-      onload:      v._getEv,
-      onunload:    v._getEv,
-      onclick:     v._getEv,
-      ondblclick:  v._getEv,
-      onmousedown: v._getEv,
-      onmouseup:   v._getEv,
-      onmouseover: v._getEv,
-      onmousemove: v._getEv,
-      onmouseout:  v._getEv,
-      onfocus:     v._getEv,
-      onblur:      v._getEv,
-      onkeypress:  v._getEv,
-      onkeydown:   v._getEv,
-      onkeyup:     v._getEv,
-      onsubmit:    v._getEv,
-      onreset:     v._getEv,
-      onselect:    v._getEv,
-      onchange:    v._getEv
-    });
-  })(Element._attributeTranslations.read.values);
-}
-
-else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
-  Element.Methods.setOpacity = function(element, value) {
-    element = $(element);
-    element.style.opacity = (value == 1) ? 0.999999 :
-      (value === '') ? '' : (value < 0.00001) ? 0 : value;
-    return element;
-  };
-}
-
-else if (Prototype.Browser.WebKit) {
-  Element.Methods.setOpacity = function(element, value) {
-    element = $(element);
-    element.style.opacity = (value == 1 || value === '') ? '' :
-      (value < 0.00001) ? 0 : value;
-
-    if (value == 1)
-      if(element.tagName == 'IMG' && element.width) {
-        element.width++; element.width--;
-      } else try {
-        var n = document.createTextNode(' ');
-        element.appendChild(n);
-        element.removeChild(n);
-      } catch (e) { }
-
-    return element;
-  };
-
-  // Safari returns margins on body which is incorrect if the child is absolutely
-  // positioned.  For performance reasons, redefine Element#cumulativeOffset for
-  // KHTML/WebKit only.
-  Element.Methods.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 Element._returnOffset(valueL, valueT);
-  };
-}
-
-if (Prototype.Browser.IE || Prototype.Browser.Opera) {
-  // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
-  Element.Methods.update = function(element, content) {
-    element = $(element);
-
-    if (content && content.toElement) content = content.toElement();
-    if (Object.isElement(content)) return element.update().insert(content);
-
-    content = Object.toHTML(content);
-    var tagName = element.tagName.toUpperCase();
-
-    if (tagName in Element._insertionTranslations.tags) {
-      $A(element.childNodes).each(function(node) { element.removeChild(node) });
-      Element._getContentFromAnonymousElement(tagName, content.stripScripts())
-        .each(function(node) { element.appendChild(node) });
-    }
-    else element.innerHTML = content.stripScripts();
-
-    content.evalScripts.bind(content).defer();
-    return element;
-  };
-}
-
-if (document.createElement('div').outerHTML) {
-  Element.Methods.replace = function(element, content) {
-    element = $(element);
-
-    if (content && content.toElement) content = content.toElement();
-    if (Object.isElement(content)) {
-      element.parentNode.replaceChild(content, element);
-      return element;
-    }
-
-    content = Object.toHTML(content);
-    var parent = element.parentNode, tagName = parent.tagName.toUpperCase();
-
-    if (Element._insertionTranslations.tags[tagName]) {
-      var nextSibling = element.next();
-      var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
-      parent.removeChild(element);
-      if (nextSibling)
-        fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
-      else
-        fragments.each(function(node) { parent.appendChild(node) });
-    }
-    else element.outerHTML = content.stripScripts();
-
-    content.evalScripts.bind(content).defer();
-    return element;
-  };
-}
-
-Element._returnOffset = function(l, t) {
-  var result = [l, t];
-  result.left = l;
-  result.top = t;
-  return result;
-};
-
-Element._getContentFromAnonymousElement = function(tagName, html) {
-  var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
-  if (t) {
-    div.innerHTML = t[0] + html + t[1];
-    t[2].times(function() { div = div.firstChild });
-  } else div.innerHTML = html;
-  return $A(div.childNodes);
-};
-
-Element._insertionTranslations = {
-  before: function(element, node) {
-    element.parentNode.insertBefore(node, element);
-  },
-  top: function(element, node) {
-    element.insertBefore(node, element.firstChild);
-  },
-  bottom: function(element, node) {
-    element.appendChild(node);
-  },
-  after: function(element, node) {
-    element.parentNode.insertBefore(node, element.nextSibling);
-  },
-  tags: {
-    TABLE:  ['<table>',                '</table>',                   1],
-    TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
-    TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
-    TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
-    SELECT: ['<select>',               '</select>',                  1]
-  }
-};
-
-(function() {
-  Object.extend(this.tags, {
-    THEAD: this.tags.TBODY,
-    TFOOT: this.tags.TBODY,
-    TH:    this.tags.TD
-  });
-}).call(Element._insertionTranslations);
-
-Element.Methods.Simulated = {
-  hasAttribute: function(element, attribute) {
-    attribute = Element._attributeTranslations.has[attribute] || attribute;
-    var node = $(element).getAttributeNode(attribute);
-    return node && node.specified;
-  }
-};
-
-Element.Methods.ByTag = { };
-
-Object.extend(Element, Element.Methods);
-
-if (!Prototype.BrowserFeatures.ElementExtensions &&
-    document.createElement('div').__proto__) {
-  window.HTMLElement = { };
-  window.HTMLElement.prototype = document.createElement('div').__proto__;
-  Prototype.BrowserFeatures.ElementExtensions = true;
-}
-
-Element.extend = (function() {
-  if (Prototype.BrowserFeatures.SpecificElementExtensions)
-    return Prototype.K;
-
-  var Methods = { }, ByTag = Element.Methods.ByTag;
-
-  var extend = Object.extend(function(element) {
-    if (!element || element._extendedByPrototype ||
-        element.nodeType != 1 || element == window) return element;
-
-    var methods = Object.clone(Methods),
-      tagName = element.tagName, property, value;
-
-    // extend methods for specific tags
-    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
-
-    for (property in methods) {
-      value = methods[property];
-      if (Object.isFunction(value) && !(property in element))
-        element[property] = value.methodize();
-    }
-
-    element._extendedByPrototype = Prototype.emptyFunction;
-    return element;
-
-  }, {
-    refresh: function() {
-      // extend methods for all tags (Safari doesn't need this)
-      if (!Prototype.BrowserFeatures.ElementExtensions) {
-        Object.extend(Methods, Element.Methods);
-        Object.extend(Methods, Element.Methods.Simulated);
-      }
-    }
-  });
-
-  extend.refresh();
-  return extend;
-})();
-
-Element.hasAttribute = function(element, attribute) {
-  if (element.hasAttribute) return element.hasAttribute(attribute);
-  return Element.Methods.Simulated.hasAttribute(element, attribute);
-};
-
-Element.addMethods = function(methods) {
-  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
-
-  if (!methods) {
-    Object.extend(Form, Form.Methods);
-    Object.extend(Form.Element, Form.Element.Methods);
-    Object.extend(Element.Methods.ByTag, {
-      "FORM":     Object.clone(Form.Methods),
-      "INPUT":    Object.clone(Form.Element.Methods),
-      "SELECT":   Object.clone(Form.Element.Methods),
-      "TEXTAREA": Object.clone(Form.Element.Methods)
-    });
-  }
-
-  if (arguments.length == 2) {
-    var tagName = methods;
-    methods = arguments[1];
-  }
-
-  if (!tagName) Object.extend(Element.Methods, methods || { });
-  else {
-    if (Object.isArray(tagName)) tagName.each(extend);
-    else extend(tagName);
-  }
-
-  function extend(tagName) {
-    tagName = tagName.toUpperCase();
-    if (!Element.Methods.ByTag[tagName])
-      Element.Methods.ByTag[tagName] = { };
-    Object.extend(Element.Methods.ByTag[tagName], methods);
-  }
-
-  function copy(methods, destination, onlyIfAbsent) {
-    onlyIfAbsent = onlyIfAbsent || false;
-    for (var property in methods) {
-      var value = methods[property];
-      if (!Object.isFunction(value)) continue;
-      if (!onlyIfAbsent || !(property in destination))
-        destination[property] = value.methodize();
-    }
-  }
-
-  function findDOMClass(tagName) {
-    var klass;
-    var trans = {
-      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
-      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
-      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
-      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
-      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
-      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
-      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
-      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
-      "FrameSet", "IFRAME": "IFrame"
-    };
-    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
-    if (window[klass]) return window[klass];
-    klass = 'HTML' + tagName + 'Element';
-    if (window[klass]) return window[klass];
-    klass = 'HTML' + tagName.capitalize() + 'Element';
-    if (window[klass]) return window[klass];
-
-    window[klass] = { };
-    window[klass].prototype = document.createElement(tagName).__proto__;
-    return window[klass];
-  }
-
-  if (F.ElementExtensions) {
-    copy(Element.Methods, HTMLElement.prototype);
-    copy(Element.Methods.Simulated, HTMLElement.prototype, true);
-  }
-
-  if (F.SpecificElementExtensions) {
-    for (var tag in Element.Methods.ByTag) {
-      var klass = findDOMClass(tag);
-      if (Object.isUndefined(klass)) continue;
-      copy(T[tag], klass.prototype);
-    }
-  }
-
-  Object.extend(Element, Element.Methods);
-  delete Element.ByTag;
-
-  if (Element.extend.refresh) Element.extend.refresh();
-  Element.cache = { };
-};
-
-document.viewport = {
-  getDimensions: function() {
-    var dimensions = { };
-    var B = Prototype.Browser;
-    $w('width height').each(function(d) {
-      var D = d.capitalize();
-      dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] :
-        (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D];
-    });
-    return dimensions;
-  },
-
-  getWidth: function() {
-    return this.getDimensions().width;
-  },
-
-  getHeight: function() {
-    return this.getDimensions().height;
-  },
-
-  getScrollOffsets: function() {
-    return Element._returnOffset(
-      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
-      window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
-  }
-};
-/* Portions of the Selector class are derived from Jack Slocum’s DomQuery,
- * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
- * license.  Please see http://www.yui-ext.com/ for more information. */
-
-var Selector = Class.create({
-  initialize: function(expression) {
-    this.expression = expression.strip();
-    this.compileMatcher();
-  },
-
-  shouldUseXPath: function() {
-    if (!Prototype.BrowserFeatures.XPath) return false;
-
-    var e = this.expression;
-
-    // Safari 3 chokes on :*-of-type and :empty
-    if (Prototype.Browser.WebKit &&
-     (e.include("-of-type") || e.include(":empty")))
-      return false;
-
-    // XPath can't do namespaced attributes, nor can it read
-    // the "checked" property from DOM nodes
-    if ((/(\[[\w-]*?:|:checked)/).test(this.expression))
-      return false;
-
-    return true;
-  },
-
-  compileMatcher: function() {
-    if (this.shouldUseXPath())
-      return this.compileXPathMatcher();
-
-    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
-        c = Selector.criteria, le, p, m;
-
-    if (Selector._cache[e]) {
-      this.matcher = Selector._cache[e];
-      return;
-    }
-
-    this.matcher = ["this.matcher = function(root) {",
-                    "var r = root, h = Selector.handlers, c = false, n;"];
-
-    while (e && le != e && (/\S/).test(e)) {
-      le = e;
-      for (var i in ps) {
-        p = ps[i];
-        if (m = e.match(p)) {
-          this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
-    	      new Template(c[i]).evaluate(m));
-          e = e.replace(m[0], '');
-          break;
-        }
-      }
-    }
-
-    this.matcher.push("return h.unique(n);\n}");
-    eval(this.matcher.join('\n'));
-    Selector._cache[this.expression] = this.matcher;
-  },
-
-  compileXPathMatcher: function() {
-    var e = this.expression, ps = Selector.patterns,
-        x = Selector.xpath, le, m;
-
-    if (Selector._cache[e]) {
-      this.xpath = Selector._cache[e]; return;
-    }
-
-    this.matcher = ['.//*'];
-    while (e && le != e && (/\S/).test(e)) {
-      le = e;
-      for (var i in ps) {
-        if (m = e.match(ps[i])) {
-          this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
-            new Template(x[i]).evaluate(m));
-          e = e.replace(m[0], '');
-          break;
-        }
-      }
-    }
-
-    this.xpath = this.matcher.join('');
-    Selector._cache[this.expression] = this.xpath;
-  },
-
-  findElements: function(root) {
-    root = root || document;
-    if (this.xpath) return document._getElementsByXPath(this.xpath, root);
-    return this.matcher(root);
-  },
-
-  match: function(element) {
-    this.tokens = [];
-
-    var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
-    var le, p, m;
-
-    while (e && le !== e && (/\S/).test(e)) {
-      le = e;
-      for (var i in ps) {
-        p = ps[i];
-        if (m = e.match(p)) {
-          // use the Selector.assertions methods unless the selector
-          // is too complex.
-          if (as[i]) {
-            this.tokens.push([i, Object.clone(m)]);
-            e = e.replace(m[0], '');
-          } else {
-            // reluctantly do a document-wide search
-            // and look for a match in the array
-            return this.findElements(document).include(element);
-          }
-        }
-      }
-    }
-
-    var match = true, name, matches;
-    for (var i = 0, token; token = this.tokens[i]; i++) {
-      name = token[0], matches = token[1];
-      if (!Selector.assertions[name](element, matches)) {
-        match = false; break;
-      }
-    }
-
-    return match;
-  },
-
-  toString: function() {
-    return this.expression;
-  },
-
-  inspect: function() {
-    return "#<Selector:" + this.expression.inspect() + ">";
-  }
-});
-
-Object.extend(Selector, {
-  _cache: { },
-
-  xpath: {
-    descendant:   "//*",
-    child:        "/*",
-    adjacent:     "/following-sibling::*[1]",
-    laterSibling: '/following-sibling::*',
-    tagName:      function(m) {
-      if (m[1] == '*') return '';
-      return "[local-name()='" + m[1].toLowerCase() +
-             "' or local-name()='" + m[1].toUpperCase() + "']";
-    },
-    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
-    id:           "[@id='#{1}']",
-    attrPresence: function(m) {
-      m[1] = m[1].toLowerCase();
-      return new Template("[@#{1}]").evaluate(m);
-    },
-    attr: function(m) {
-      m[1] = m[1].toLowerCase();
-      m[3] = m[5] || m[6];
-      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
-    },
-    pseudo: function(m) {
-      var h = Selector.xpath.pseudos[m[1]];
-      if (!h) return '';
-      if (Object.isFunction(h)) return h(m);
-      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
-    },
-    operators: {
-      '=':  "[@#{1}='#{3}']",
-      '!=': "[@#{1}!='#{3}']",
-      '^=': "[starts-with(@#{1}, '#{3}')]",
-      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
-      '*=': "[contains(@#{1}, '#{3}')]",
-      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
-      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
-    },
-    pseudos: {
-      'first-child': '[not(preceding-sibling::*)]',
-      'last-child':  '[not(following-sibling::*)]',
-      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
-      'empty':       "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
-      'checked':     "[@checked]",
-      'disabled':    "[@disabled]",
-      'enabled':     "[not(@disabled)]",
-      'not': function(m) {
-        var e = m[6], p = Selector.patterns,
-            x = Selector.xpath, le, v;
-
-        var exclusion = [];
-        while (e && le != e && (/\S/).test(e)) {
-          le = e;
-          for (var i in p) {
-            if (m = e.match(p[i])) {
-              v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
-              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
-              e = e.replace(m[0], '');
-              break;
-            }
-          }
-        }
-        return "[not(" + exclusion.join(" and ") + ")]";
-      },
-      'nth-child':      function(m) {
-        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
-      },
-      'nth-last-child': function(m) {
-        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
-      },
-      'nth-of-type':    function(m) {
-        return Selector.xpath.pseudos.nth("position() ", m);
-      },
-      'nth-last-of-type': function(m) {
-        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
-      },
-      'first-of-type':  function(m) {
-        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
-      },
-      'last-of-type':   function(m) {
-        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
-      },
-      'only-of-type':   function(m) {
-        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
-      },
-      nth: function(fragment, m) {
-        var mm, formula = m[6], predicate;
-        if (formula == 'even') formula = '2n+0';
-        if (formula == 'odd')  formula = '2n+1';
-        if (mm = formula.match(/^(\d+)$/)) // digit only
-          return '[' + fragment + "= " + mm[1] + ']';
-        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
-          if (mm[1] == "-") mm[1] = -1;
-          var a = mm[1] ? Number(mm[1]) : 1;
-          var b = mm[2] ? Number(mm[2]) : 0;
-          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
-          "((#{fragment} - #{b}) div #{a} >= 0)]";
-          return new Template(predicate).evaluate({
-            fragment: fragment, a: a, b: b });
-        }
-      }
-    }
-  },
-
-  criteria: {
-    tagName:      'n = h.tagName(n, r, "#{1}", c);   c = false;',
-    className:    'n = h.className(n, r, "#{1}", c); c = false;',
-    id:           'n = h.id(n, r, "#{1}", c);        c = false;',
-    attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;',
-    attr: function(m) {
-      m[3] = (m[5] || m[6]);
-      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m);
-    },
-    pseudo: function(m) {
-      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
-      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
-    },
-    descendant:   'c = "descendant";',
-    child:        'c = "child";',
-    adjacent:     'c = "adjacent";',
-    laterSibling: 'c = "laterSibling";'
-  },
-
-  patterns: {
-    // combinators must be listed first
-    // (and descendant needs to be last combinator)
-    laterSibling: /^\s*~\s*/,
-    child:        /^\s*>\s*/,
-    adjacent:     /^\s*\+\s*/,
-    descendant:   /^\s/,
-
-    // selectors follow
-    tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
-    id:           /^#([\w\-\*]+)(\b|$)/,
-    className:    /^\.([\w\-\*]+)(\b|$)/,
-    pseudo:
-/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
-    attrPresence: /^\[([\w]+)\]/,
-    attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
-  },
-
-  // for Selector.match and Element#match
-  assertions: {
-    tagName: function(element, matches) {
-      return matches[1].toUpperCase() == element.tagName.toUpperCase();
-    },
-
-    className: function(element, matches) {
-      return Element.hasClassName(element, matches[1]);
-    },
-
-    id: function(element, matches) {
-      return element.id === matches[1];
-    },
-
-    attrPresence: function(element, matches) {
-      return Element.hasAttribute(element, matches[1]);
-    },
-
-    attr: function(element, matches) {
-      var nodeValue = Element.readAttribute(element, matches[1]);
-      return Selector.operators[matches[2]](nodeValue, matches[3]);
-    }
-  },
-
-  handlers: {
-    // UTILITY FUNCTIONS
-    // joins two collections
-    concat: function(a, b) {
-      for (var i = 0, node; node = b[i]; i++)
-        a.push(node);
-      return a;
-    },
-
-    // marks an array of nodes for counting
-    mark: function(nodes) {
-      for (var i = 0, node; node = nodes[i]; i++)
-        node._counted = true;
-      return nodes;
-    },
-
-    unmark: function(nodes) {
-      for (var i = 0, node; node = nodes[i]; i++)
-        node._counted = undefined;
-      return nodes;
-    },
-
-    // mark each child node with its position (for nth calls)
-    // "ofType" flag indicates whether we're indexing for nth-of-type
-    // rather than nth-child
-    index: function(parentNode, reverse, ofType) {
-      parentNode._counted = true;
-      if (reverse) {
-        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
-          var node = nodes[i];
-          if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
-        }
-      } else {
-        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
-          if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
-      }
-    },
-
-    // filters out duplicates and extends all nodes
-    unique: function(nodes) {
-      if (nodes.length == 0) return nodes;
-      var results = [], n;
-      for (var i = 0, l = nodes.length; i < l; i++)
-        if (!(n = nodes[i])._counted) {
-          n._counted = true;
-          results.push(Element.extend(n));
-        }
-      return Selector.handlers.unmark(results);
-    },
-
-    // COMBINATOR FUNCTIONS
-    descendant: function(nodes) {
-      var h = Selector.handlers;
-      for (var i = 0, results = [], node; node = nodes[i]; i++)
-        h.concat(results, node.getElementsByTagName('*'));
-      return results;
-    },
-
-    child: function(nodes) {
-      var h = Selector.handlers;
-      for (var i = 0, results = [], node; node = nodes[i]; i++) {
-        for (var j = 0, child; child = node.childNodes[j]; j++)
-          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
-      }
-      return results;
-    },
-
-    adjacent: function(nodes) {
-      for (var i = 0, results = [], node; node = nodes[i]; i++) {
-        var next = this.nextElementSibling(node);
-        if (next) results.push(next);
-      }
-      return results;
-    },
-
-    laterSibling: function(nodes) {
-      var h = Selector.handlers;
-      for (var i = 0, results = [], node; node = nodes[i]; i++)
-        h.concat(results, Element.nextSiblings(node));
-      return results;
-    },
-
-    nextElementSibling: function(node) {
-      while (node = node.nextSibling)
-	      if (node.nodeType == 1) return node;
-      return null;
-    },
-
-    previousElementSibling: function(node) {
-      while (node = node.previousSibling)
-        if (node.nodeType == 1) return node;
-      return null;
-    },
-
-    // TOKEN FUNCTIONS
-    tagName: function(nodes, root, tagName, combinator) {
-      var uTagName = tagName.toUpperCase();
-      var results = [], h = Selector.handlers;
-      if (nodes) {
-        if (combinator) {
-          // fastlane for ordinary descendant combinators
-          if (combinator == "descendant") {
-            for (var i = 0, node; node = nodes[i]; i++)
-              h.concat(results, node.getElementsByTagName(tagName));
-            return results;
-          } else nodes = this[combinator](nodes);
-          if (tagName == "*") return nodes;
-        }
-        for (var i = 0, node; node = nodes[i]; i++)
-          if (node.tagName.toUpperCase() === uTagName) results.push(node);
-        return results;
-      } else return root.getElementsByTagName(tagName);
-    },
-
-    id: function(nodes, root, id, combinator) {
-      var targetNode = $(id), h = Selector.handlers;
-      if (!targetNode) return [];
-      if (!nodes && root == document) return [targetNode];
-      if (nodes) {
-        if (combinator) {
-          if (combinator == 'child') {
-            for (var i = 0, node; node = nodes[i]; i++)
-              if (targetNode.parentNode == node) return [targetNode];
-          } else if (combinator == 'descendant') {
-            for (var i = 0, node; node = nodes[i]; i++)
-              if (Element.descendantOf(targetNode, node)) return [targetNode];
-          } else if (combinator == 'adjacent') {
-            for (var i = 0, node; node = nodes[i]; i++)
-              if (Selector.handlers.previousElementSibling(targetNode) == node)
-                return [targetNode];
-          } else nodes = h[combinator](nodes);
-        }
-        for (var i = 0, node; node = nodes[i]; i++)
-          if (node == targetNode) return [targetNode];
-        return [];
-      }
-      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
-    },
-
-    className: function(nodes, root, className, combinator) {
-      if (nodes && combinator) nodes = this[combinator](nodes);
-      return Selector.handlers.byClassName(nodes, root, className);
-    },
-
-    byClassName: function(nodes, root, className) {
-      if (!nodes) nodes = Selector.handlers.descendant([root]);
-      var needle = ' ' + className + ' ';
-      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
-        nodeClassName = node.className;
-        if (nodeClassName.length == 0) continue;
-        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
-          results.push(node);
-      }
-      return results;
-    },
-
-    attrPresence: function(nodes, root, attr) {
-      if (!nodes) nodes = root.getElementsByTagName("*");
-      var results = [];
-      for (var i = 0, node; node = nodes[i]; i++)
-        if (Element.hasAttribute(node, attr)) results.push(node);
-      return results;
-    },
-
-    attr: function(nodes, root, attr, value, operator) {
-      if (!nodes) nodes = root.getElementsByTagName("*");
-      var handler = Selector.operators[operator], results = [];
-      for (var i = 0, node; node = nodes[i]; i++) {
-        var nodeValue = Element.readAttribute(node, attr);
-        if (nodeValue === null) continue;
-        if (handler(nodeValue, value)) results.push(node);
-      }
-      return results;
-    },
-
-    pseudo: function(nodes, name, value, root, combinator) {
-      if (nodes && combinator) nodes = this[combinator](nodes);
-      if (!nodes) nodes = root.getElementsByTagName("*");
-      return Selector.pseudos[name](nodes, value, root);
-    }
-  },
-
-  pseudos: {
-    'first-child': function(nodes, value, root) {
-      for (var i = 0, results = [], node; node = nodes[i]; i++) {
-        if (Selector.handlers.previousElementSibling(node)) continue;
-          results.push(node);
-      }
-      return results;
-    },
-    'last-child': function(nodes, value, root) {
-      for (var i = 0, results = [], node; node = nodes[i]; i++) {
-        if (Selector.handlers.nextElementSibling(node)) continue;
-          results.push(node);
-      }
-      return results;
-    },
-    'only-child': function(nodes, value, root) {
-      var h = Selector.handlers;
-      for (var i = 0, results = [], node; node = nodes[i]; i++)
-        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
-          results.push(node);
-      return results;
-    },
-    'nth-child':        function(nodes, formula, root) {
-      return Selector.pseudos.nth(nodes, formula, root);
-    },
-    'nth-last-child':   function(nodes, formula, root) {
-      return Selector.pseudos.nth(nodes, formula, root, true);
-    },
-    'nth-of-type':      function(nodes, formula, root) {
-      return Selector.pseudos.nth(nodes, formula, root, false, true);
-    },
-    'nth-last-of-type': function(nodes, formula, root) {
-      return Selector.pseudos.nth(nodes, formula, root, true, true);
-    },
-    'first-of-type':    function(nodes, formula, root) {
-      return Selector.pseudos.nth(nodes, "1", root, false, true);
-    },
-    'last-of-type':     function(nodes, formula, root) {
-      return Selector.pseudos.nth(nodes, "1", root, true, true);
-    },
-    'only-of-type':     function(nodes, formula, root) {
-      var p = Selector.pseudos;
-      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
-    },
-
-    // handles the an+b logic
-    getIndices: function(a, b, total) {
-      if (a == 0) return b > 0 ? [b] : [];
-      return $R(1, total).inject([], function(memo, i) {
-        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
-        return memo;
-      });
-    },
-
-    // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
-    nth: function(nodes, formula, root, reverse, ofType) {
-      if (nodes.length == 0) return [];
-      if (formula == 'even') formula = '2n+0';
-      if (formula == 'odd')  formula = '2n+1';
-      var h = Selector.handlers, results = [], indexed = [], m;
-      h.mark(nodes);
-      for (var i = 0, node; node = nodes[i]; i++) {
-        if (!node.parentNode._counted) {
-          h.index(node.parentNode, reverse, ofType);
-          indexed.push(node.parentNode);
-        }
-      }
-      if (formula.match(/^\d+$/)) { // just a number
-        formula = Number(formula);
-        for (var i = 0, node; node = nodes[i]; i++)
-          if (node.nodeIndex == formula) results.push(node);
-      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
-        if (m[1] == "-") m[1] = -1;
-        var a = m[1] ? Number(m[1]) : 1;
-        var b = m[2] ? Number(m[2]) : 0;
-        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
-        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
-          for (var j = 0; j < l; j++)
-            if (node.nodeIndex == indices[j]) results.push(node);
-        }
-      }
-      h.unmark(nodes);
-      h.unmark(indexed);
-      return results;
-    },
-
-    'empty': function(nodes, value, root) {
-      for (var i = 0, results = [], node; node = nodes[i]; i++) {
-        // IE treats comments as element nodes
-        if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
-        results.push(node);
-      }
-      return results;
-    },
-
-    'not': function(nodes, selector, root) {
-      var h = Selector.handlers, selectorType, m;
-      var exclusions = new Selector(selector).findElements(root);
-      h.mark(exclusions);
-      for (var i = 0, results = [], node; node = nodes[i]; i++)
-        if (!node._counted) results.push(node);
-      h.unmark(exclusions);
-      return results;
-    },
-
-    'enabled': function(nodes, value, root) {
-      for (var i = 0, results = [], node; node = nodes[i]; i++)
-        if (!node.disabled) results.push(node);
-      return results;
-    },
-
-    'disabled': function(nodes, value, root) {
-      for (var i = 0, results = [], node; node = nodes[i]; i++)
-        if (node.disabled) results.push(node);
-      return results;
-    },
-
-    'checked': function(nodes, value, root) {
-      for (var i = 0, results = [], node; node = nodes[i]; i++)
-        if (node.checked) results.push(node);
-      return results;
-    }
-  },
-
-  operators: {
-    '=':  function(nv, v) { return nv == v; },
-    '!=': function(nv, v) { return nv != v; },
-    '^=': function(nv, v) { return nv.startsWith(v); },
-    '$=': function(nv, v) { return nv.endsWith(v); },
-    '*=': function(nv, v) { return nv.include(v); },
-    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
-    '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
-  },
-
-  matchElements: function(elements, expression) {
-    var matches = new Selector(expression).findElements(), h = Selector.handlers;
-    h.mark(matches);
-    for (var i = 0, results = [], element; element = elements[i]; i++)
-      if (element._counted) results.push(element);
-    h.unmark(matches);
-    return results;
-  },
-
-  findElement: function(elements, expression, index) {
-    if (Object.isNumber(expression)) {
-      index = expression; expression = false;
-    }
-    return Selector.matchElements(elements, expression || '*')[index || 0];
-  },
-
-  findChildElements: function(element, expressions) {
-    var exprs = expressions.join(',');
-    expressions = [];
-    exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
-      expressions.push(m[1].strip());
-    });
-    var results = [], h = Selector.handlers;
-    for (var i = 0, l = expressions.length, selector; i < l; i++) {
-      selector = new Selector(expressions[i].strip());
-      h.concat(results, selector.findElements(element));
-    }
-    return (l > 1) ? h.unique(results) : results;
-  }
-});
-
-if (Prototype.Browser.IE) {
-  // IE returns comment nodes on getElementsByTagName("*").
-  // Filter them out.
-  Selector.handlers.concat = function(a, b) {
-    for (var i = 0, node; node = b[i]; i++)
-      if (node.tagName !== "!") a.push(node);
-    return a;
-  };
-}
-
-function $$() {
-  return Selector.findChildElements(document, $A(arguments));
-}
-var Form = {
-  reset: function(form) {
-    $(form).reset();
-    return form;
-  },
-
-  serializeElements: function(elements, options) {
-    if (typeof options != 'object') options = { hash: !!options };
-    else if (Object.isUndefined(options.hash)) options.hash = true;
-    var key, value, submitted = false, submit = options.submit;
-
-    var data = elements.inject({ }, function(result, element) {
-      if (!element.disabled && element.name) {
-        key = element.name; value = $(element).getValue();
-        if (value != null && (element.type != 'submit' || (!submitted &&
-            submit !== false && (!submit || key == submit) && (submitted = true)))) {
-          if (key in result) {
-            // a key is already present; construct an array of values
-            if (!Object.isArray(result[key])) result[key] = [result[key]];
-            result[key].push(value);
-          }
-          else result[key] = value;
-        }
-      }
-      return result;
-    });
-
-    return options.hash ? data : Object.toQueryString(data);
-  }
-};
-
-Form.Methods = {
-  serialize: function(form, options) {
-    return Form.serializeElements(Form.getElements(form), options);
-  },
-
-  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(form).invoke('disable');
-    return form;
-  },
-
-  enable: function(form) {
-    form = $(form);
-    Form.getElements(form).invoke('enable');
-    return form;
-  },
-
-  findFirstElement: function(form) {
-    var elements = $(form).getElements().findAll(function(element) {
-      return 'hidden' != element.type && !element.disabled;
-    });
-    var firstByIndex = elements.findAll(function(element) {
-      return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
-    }).sortBy(function(element) { return element.tabIndex }).first();
-
-    return firstByIndex ? firstByIndex : elements.find(function(element) {
-      return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
-    });
-  },
-
-  focusFirstElement: function(form) {
-    form = $(form);
-    form.findFirstElement().activate();
-    return form;
-  },
-
-  request: function(form, options) {
-    form = $(form), options = Object.clone(options || { });
-
-    var params = options.parameters, action = form.readAttribute('action') || '';
-    if (action.blank()) action = window.location.href;
-    options.parameters = form.serialize(true);
-
-    if (params) {
-      if (Object.isString(params)) params = params.toQueryParams();
-      Object.extend(options.parameters, params);
-    }
-
-    if (form.hasAttribute('method') && !options.method)
-      options.method = form.method;
-
-    return new Ajax.Request(action, options);
-  }
-};
-
-/*--------------------------------------------------------------------------*/
-
-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 Object.toQueryString(pair);
-      }
-    }
-    return '';
-  },
-
-  getValue: function(element) {
-    element = $(element);
-    var method = element.tagName.toLowerCase();
-    return Form.Element.Serializers[method](element);
-  },
-
-  setValue: function(element, value) {
-    element = $(element);
-    var method = element.tagName.toLowerCase();
-    Form.Element.Serializers[method](element, value);
-    return element;
-  },
-
-  clear: function(element) {
-    $(element).value = '';
-    return element;
-  },
-
-  present: function(element) {
-    return $(element).value != '';
-  },
-
-  activate: function(element) {
-    element = $(element);
-    try {
-      element.focus();
-      if (element.select && (element.tagName.toLowerCase() != 'input' ||
-          !['button', 'reset', 'submit'].include(element.type)))
-        element.select();
-    } catch (e) { }
-    return element;
-  },
-
-  disable: function(element) {
-    element = $(element);
-    element.blur();
-    element.disabled = true;
-    return element;
-  },
-
-  enable: function(element) {
-    element = $(element);
-    element.disabled = false;
-    return element;
-  }
-};
-
-/*--------------------------------------------------------------------------*/
-
-var Field = Form.Element;
-var $F = Form.Element.Methods.getValue;
-
-/*--------------------------------------------------------------------------*/
-
-Form.Element.Serializers = {
-  input: function(element, value) {
-    switch (element.type.toLowerCase()) {
-      case 'checkbox':
-      case 'radio':
-        return Form.Element.Serializers.inputSelector(element, value);
-      default:
-        return Form.Element.Serializers.textarea(element, value);
-    }
-  },
-
-  inputSelector: function(element, value) {
-    if (Object.isUndefined(value)) return element.checked ? element.value : null;
-    else element.checked = !!value;
-  },
-
-  textarea: function(element, value) {
-    if (Object.isUndefined(value)) return element.value;
-    else element.value = value;
-  },
-
-  select: function(element, index) {
-    if (Object.isUndefined(index))
-      return this[element.type == 'select-one' ?
-        'selectOne' : 'selectMany'](element);
-    else {
-      var opt, value, single = !Object.isArray(index);
-      for (var i = 0, length = element.length; i < length; i++) {
-        opt = element.options[i];
-        value = this.optionValue(opt);
-        if (single) {
-          if (value == index) {
-            opt.selected = true;
-            return;
-          }
-        }
-        else opt.selected = index.include(value);
-      }
-    }
-  },
-
-  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 = Class.create(PeriodicalExecuter, {
-  initialize: function($super, element, frequency, callback) {
-    $super(callback, frequency);
-    this.element   = $(element);
-    this.lastValue = this.getValue();
-  },
-
-  execute: function() {
-    var value = this.getValue();
-    if (Object.isString(this.lastValue) && Object.isString(value) ?
-        this.lastValue != value : String(this.lastValue) != String(value)) {
-      this.callback(this.element, value);
-      this.lastValue = value;
-    }
-  }
-});
-
-Form.Element.Observer = Class.create(Abstract.TimedObserver, {
-  getValue: function() {
-    return Form.Element.getValue(this.element);
-  }
-});
-
-Form.Observer = Class.create(Abstract.TimedObserver, {
-  getValue: function() {
-    return Form.serialize(this.element);
-  }
-});
-
-/*--------------------------------------------------------------------------*/
-
-Abstract.EventObserver = Class.create({
-  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, 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(Abstract.EventObserver, {
-  getValue: function() {
-    return Form.Element.getValue(this.element);
-  }
-});
-
-Form.EventObserver = Class.create(Abstract.EventObserver, {
-  getValue: function() {
-    return Form.serialize(this.element);
-  }
-});
-if (!window.Event) var Event = { };
-
-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,
-  KEY_INSERT:   45,
-
-  cache: { },
-
-  relatedTarget: function(event) {
-    var element;
-    switch(event.type) {
-      case 'mouseover': element = event.fromElement; break;
-      case 'mouseout':  element = event.toElement;   break;
-      default: return null;
-    }
-    return Element.extend(element);
-  }
-});
-
-Event.Methods = (function() {
-  var isButton;
-
-  if (Prototype.Browser.IE) {
-    var buttonMap = { 0: 1, 1: 4, 2: 2 };
-    isButton = function(event, code) {
-      return event.button == buttonMap[code];
-    };
-
-  } else if (Prototype.Browser.WebKit) {
-    isButton = function(event, code) {
-      switch (code) {
-        case 0: return event.which == 1 && !event.metaKey;
-        case 1: return event.which == 1 && event.metaKey;
-        default: return false;
-      }
-    };
-
-  } else {
-    isButton = function(event, code) {
-      return event.which ? (event.which === code + 1) : (event.button === code);
-    };
-  }
-
-  return {
-    isLeftClick:   function(event) { return isButton(event, 0) },
-    isMiddleClick: function(event) { return isButton(event, 1) },
-    isRightClick:  function(event) { return isButton(event, 2) },
-
-    element: function(event) {
-      var node = Event.extend(event).target;
-      return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node);
-    },
-
-    findElement: function(event, expression) {
-      var element = Event.element(event);
-      if (!expression) return element;
-      var elements = [element].concat(element.ancestors());
-      return Selector.findElement(elements, expression, 0);
-    },
-
-    pointer: function(event) {
-      return {
-        x: event.pageX || (event.clientX +
-          (document.documentElement.scrollLeft || document.body.scrollLeft)),
-        y: event.pageY || (event.clientY +
-          (document.documentElement.scrollTop || document.body.scrollTop))
-      };
-    },
-
-    pointerX: function(event) { return Event.pointer(event).x },
-    pointerY: function(event) { return Event.pointer(event).y },
-
-    stop: function(event) {
-      Event.extend(event);
-      event.preventDefault();
-      event.stopPropagation();
-      event.stopped = true;
-    }
-  };
-})();
-
-Event.extend = (function() {
-  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
-    m[name] = Event.Methods[name].methodize();
-    return m;
-  });
-
-  if (Prototype.Browser.IE) {
-    Object.extend(methods, {
-      stopPropagation: function() { this.cancelBubble = true },
-      preventDefault:  function() { this.returnValue = false },
-      inspect: function() { return "[object Event]" }
-    });
-
-    return function(event) {
-      if (!event) return false;
-      if (event._extendedByPrototype) return event;
-
-      event._extendedByPrototype = Prototype.emptyFunction;
-      var pointer = Event.pointer(event);
-      Object.extend(event, {
-        target: event.srcElement,
-        relatedTarget: Event.relatedTarget(event),
-        pageX:  pointer.x,
-        pageY:  pointer.y
-      });
-      return Object.extend(event, methods);
-    };
-
-  } else {
-    Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__;
-    Object.extend(Event.prototype, methods);
-    return Prototype.K;
-  }
-})();
-
-Object.extend(Event, (function() {
-  var cache = Event.cache;
-
-  function getEventID(element) {
-    if (element._eventID) return element._eventID;
-    arguments.callee.id = arguments.callee.id || 1;
-    return element._eventID = ++arguments.callee.id;
-  }
-
-  function getDOMEventName(eventName) {
-    if (eventName && eventName.include(':')) return "dataavailable";
-    return eventName;
-  }
-
-  function getCacheForID(id) {
-    return cache[id] = cache[id] || { };
-  }
-
-  function getWrappersForEventName(id, eventName) {
-    var c = getCacheForID(id);
-    return c[eventName] = c[eventName] || [];
-  }
-
-  function createWrapper(element, eventName, handler) {
-    var id = getEventID(element);
-    var c = getWrappersForEventName(id, eventName);
-    if (c.pluck("handler").include(handler)) return false;
-
-    var wrapper = function(event) {
-      if (!Event || !Event.extend ||
-        (event.eventName && event.eventName != eventName))
-          return false;
-
-      Event.extend(event);
-      handler.call(element, event);
-    };
-
-    wrapper.handler = handler;
-    c.push(wrapper);
-    return wrapper;
-  }
-
-  function findWrapper(id, eventName, handler) {
-    var c = getWrappersForEventName(id, eventName);
-    return c.find(function(wrapper) { return wrapper.handler == handler });
-  }
-
-  function destroyWrapper(id, eventName, handler) {
-    var c = getCacheForID(id);
-    if (!c[eventName]) return false;
-    c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
-  }
-
-  function destroyCache() {
-    for (var id in cache)
-      for (var eventName in cache[id])
-        cache[id][eventName] = null;
-  }
-
-  if (window.attachEvent) {
-    window.attachEvent("onunload", destroyCache);
-  }
-
-  return {
-    observe: function(element, eventName, handler) {
-      element = $(element);
-      var name = getDOMEventName(eventName);
-
-      var wrapper = createWrapper(element, eventName, handler);
-      if (!wrapper) return element;
-
-      if (element.addEventListener) {
-        element.addEventListener(name, wrapper, false);
-      } else {
-        element.attachEvent("on" + name, wrapper);
-      }
-
-      return element;
-    },
-
-    stopObserving: function(element, eventName, handler) {
-      element = $(element);
-      var id = getEventID(element), name = getDOMEventName(eventName);
-
-      if (!handler && eventName) {
-        getWrappersForEventName(id, eventName).each(function(wrapper) {
-          element.stopObserving(eventName, wrapper.handler);
-        });
-        return element;
-
-      } else if (!eventName) {
-        Object.keys(getCacheForID(id)).each(function(eventName) {
-          element.stopObserving(eventName);
-        });
-        return element;
-      }
-
-      var wrapper = findWrapper(id, eventName, handler);
-      if (!wrapper) return element;
-
-      if (element.removeEventListener) {
-        element.removeEventListener(name, wrapper, false);
-      } else {
-        element.detachEvent("on" + name, wrapper);
-      }
-
-      destroyWrapper(id, eventName, handler);
-
-      return element;
-    },
-
-    fire: function(element, eventName, memo) {
-      element = $(element);
-      if (element == document && document.createEvent && !element.dispatchEvent)
-        element = document.documentElement;
-
-      var event;
-      if (document.createEvent) {
-        event = document.createEvent("HTMLEvents");
-        event.initEvent("dataavailable", true, true);
-      } else {
-        event = document.createEventObject();
-        event.eventType = "ondataavailable";
-      }
-
-      event.eventName = eventName;
-      event.memo = memo || { };
-
-      if (document.createEvent) {
-        element.dispatchEvent(event);
-      } else {
-        element.fireEvent(event.eventType, event);
-      }
-
-      return Event.extend(event);
-    }
-  };
-})());
-
-Object.extend(Event, Event.Methods);
-
-Element.addMethods({
-  fire:          Event.fire,
-  observe:       Event.observe,
-  stopObserving: Event.stopObserving
-});
-
-Object.extend(document, {
-  fire:          Element.Methods.fire.methodize(),
-  observe:       Element.Methods.observe.methodize(),
-  stopObserving: Element.Methods.stopObserving.methodize(),
-  loaded:        false
-});
-
-(function() {
-  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
-     Matthias Miller, Dean Edwards and John Resig. */
-
-  var timer;
-
-  function fireContentLoadedEvent() {
-    if (document.loaded) return;
-    if (timer) window.clearInterval(timer);
-    document.fire("dom:loaded");
-    document.loaded = true;
-  }
-
-  if (document.addEventListener) {
-    if (Prototype.Browser.WebKit) {
-      timer = window.setInterval(function() {
-        if (/loaded|complete/.test(document.readyState))
-          fireContentLoadedEvent();
-      }, 0);
-
-      Event.observe(window, "load", fireContentLoadedEvent);
-
-    } else {
-      document.addEventListener("DOMContentLoaded",
-        fireContentLoadedEvent, false);
-    }
-
-  } else {
-    document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
-    $("__onDOMContentLoaded").onreadystatechange = function() {
-      if (this.readyState == "complete") {
-        this.onreadystatechange = null;
-        fireContentLoadedEvent();
-      }
-    };
-  }
-})();
-/*------------------------------- DEPRECATED -------------------------------*/
-
-Hash.toQueryString = Object.toQueryString;
-
-var Toggle = { display: Element.toggle };
-
-Element.Methods.childOf = Element.Methods.descendantOf;
-
-var Insertion = {
-  Before: function(element, content) {
-    return Element.insert(element, {before:content});
-  },
-
-  Top: function(element, content) {
-    return Element.insert(element, {top:content});
-  },
-
-  Bottom: function(element, content) {
-    return Element.insert(element, {bottom:content});
-  },
-
-  After: function(element, content) {
-    return Element.insert(element, {after:content});
-  }
-};
-
-var $continue = new Error('"throw $continue" is deprecated, use "return" instead');
-
-// This should be moved to script.aculo.us; notice the deprecated methods
-// further below, that map to the newer Element methods.
-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;
-  },
-
-  // 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 = Element.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 = Element.cumulativeScrollOffset(element);
-
-    this.xcomp = x + offsetcache[0] - this.deltaX;
-    this.ycomp = y + offsetcache[1] - this.deltaY;
-    this.offset = Element.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;
-  },
-
-  // Deprecation layer -- use newer Element methods now (1.5.2).
-
-  cumulativeOffset: Element.Methods.cumulativeOffset,
-
-  positionedOffset: Element.Methods.positionedOffset,
-
-  absolutize: function(element) {
-    Position.prepare();
-    return Element.absolutize(element);
-  },
-
-  relativize: function(element) {
-    Position.prepare();
-    return Element.relativize(element);
-  },
-
-  realOffset: Element.Methods.cumulativeScrollOffset,
-
-  offsetParent: Element.Methods.getOffsetParent,
-
-  page: Element.Methods.viewportOffset,
-
-  clone: function(source, target, options) {
-    options = options || { };
-    return Element.clonePosition(target, source, options);
-  }
-};
-
-/*--------------------------------------------------------------------------*/
-
-if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
-  function iter(name) {
-    return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
-  }
-
-  instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
-  function(element, className) {
-    className = className.toString().strip();
-    var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
-    return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
-  } : function(element, className) {
-    className = className.toString().strip();
-    var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
-    if (!classNames && !className) return elements;
-
-    var nodes = $(element).getElementsByTagName('*');
-    className = ' ' + className + ' ';
-
-    for (var i = 0, child, cn; child = nodes[i]; i++) {
-      if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
-          (classNames && classNames.all(function(name) {
-            return !name.toString().blank() && cn.include(' ' + name + ' ');
-          }))))
-        elements.push(Element.extend(child));
-    }
-    return elements;
-  };
-
-  return function(className, parentElement) {
-    return $(parentElement || document.body).getElementsByClassName(className);
-  };
-}(Element.Methods);
-
-/*--------------------------------------------------------------------------*/
-
-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);
-
-/*--------------------------------------------------------------------------*/
-
-Element.addMethods();
diff -r 73aef1124b67 -r 64a0168a6f50 javascript/scriptaculous.js
--- a/javascript/scriptaculous.js	Wed Jun 03 18:36:17 2009 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,58 +0,0 @@
-// script.aculo.us scriptaculous.js v1.8.1, Thu Jan 03 22:07:12 -0500 2008
-
-// Copyright (c) 2005-2007 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: '1.8.1',
-  require: function(libraryName) {
-    // inserting via DOM fails in Safari 2.0, so brute force approach
-    document.write('<script type="text/javascript" src="'+libraryName+'"><\/script>');
-  },
-  REQUIRED_PROTOTYPE: '1.6.0',
-  load: function() {
-    function convertVersionString(versionString){
-      var r = versionString.split('.');
-      return parseInt(r[0])*100000 + parseInt(r[1])*1000 + parseInt(r[2]);
-    }
- 
-    if((typeof Prototype=='undefined') || 
-       (typeof Element == 'undefined') || 
-       (typeof Element.Methods=='undefined') ||
-       (convertVersionString(Prototype.Version) < 
-        convertVersionString(Scriptaculous.REQUIRED_PROTOTYPE)))
-       throw("script.aculo.us requires the Prototype JavaScript framework >= " +
-        Scriptaculous.REQUIRED_PROTOTYPE);
-    
-    $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,sound').split(',').each(
-       function(include) { Scriptaculous.require(path+include+'.js') });
-    });
-  }
-}
-
-Scriptaculous.load();
\ No newline at end of file
diff -r 73aef1124b67 -r 64a0168a6f50 javascript/taggr.js
--- a/javascript/taggr.js	Wed Jun 03 18:36:17 2009 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,470 +0,0 @@
-/*
- * dir-list manipulation
- */
-function toggle_dir (header_a_tag) {
-    var div = Element.next(header_a_tag);
-    
-    if (div._have_contents) {
-        if (div.visible()) {
-            Effect.BlindUp(div, {duration: 0.5});
-            func = hide_tag_image;
-        } else {
-            Effect.BlindDown(div, {duration: 0.5});
-            func = show_tag_image;
-        }
-        
-        Element.up(header_a_tag)._images.each(function(key){
-            $("img_" + key)._tags.each(function(tag){
-                func(tag, key);
-            });
-        });
-
-    } else {
-
-        new Ajax.Updater(div, "taggr2.py", {
-            parameters: {
-                act: "dirlist",
-                path: div.id,
-            },
-            method: 'get',
-            onSuccess: function () {
-                Effect.BlindDown(div, {duration: 0.5});
-                div._have_contents = true;
-            }
-        });
-    }
-}
-
-var g_last_select;
-function image_click (img, ev) {
-    var updiv = img.up(2);
-
-    if (img.hasClassName("selection")) {
-        img.removeClassName("selection");
-
-    } else if (ev.shiftKey && g_last_select && g_last_select.up(2) == updiv) {
-        var from = Math.min(img._offset, g_last_select._offset);
-        var to = Math.max(img._offset, g_last_select._offset);
-
-        for (var i = from; i <= to; i++) {
-            $("img_" + updiv._images[i]).addClassName("selection");
-        }
-
-        g_last_select = img;
-    } else {
-        
-        g_last_select = img;
-        img.addClassName("selection");
-    }
-}
-
-function selection_clear () {
-    $$(".selection").each(function(e){
-        e.removeClassName("selection");
-    });
-}
-
-/*
- * image-loading callback
- */
-function image_info (img, offset, key, tags) {
-    img._key = key;
-    img._tags = $A(tags);
-    img._offset = offset;
-    
-    img._tags.each(function(tag){
-        if (!$('tag_' + tag + '_images'))
-            new_tag(tag);
-
-        tag_add_image(img, null, tag, false);
-    });
-
-    var dir = img.up(2);
-
-    if (!dir._images)
-        dir._images = new Array();
-
-    dir._images.push(img._key);
-}
-
-/*
- * tag list manipulation code
- */
-function _tag_name (tag_name) {
-    var tag_name_p = Builder.node("p", {id:"tag_" + tag_name + "_name", className: "draggable tag_name"}, [tag_name]);
-
-    tag_name_p._tag = tag_name;
-
-    return tag_name_p;
-}
-
-function new_tag (tag_name) {
-    if ($("tag_" + tag_name)) {
-        $("tag_" + tag_name).show().scrollTo();
-    }
-
-    var tag_images = Builder.node("td", {className:"tag_images", id:"tag_" + tag_name + "_images"});
-
-    tag_images._tag = tag_name;
-    tag_images._visibleCount = 0;
-    tag_images._images = new Array();
-
-    var tag_row = Builder.node("tr", {className:"tag_row", id:"tag_" + tag_name}, [
-        Builder.node("td", {className:"tag", id:"tag_" + tag_name + "_tags"}, [
-            _tag_name(tag_name)
-        ]),
-        tag_images
-    ]);
-
-    tag_row._tag = tag_name;
-    tag_row._tags = new Array(tag_name);
-
-    $("tag_table").appendChild(tag_row);
-
-    return true;
-}
-
-function tag_add_tag (new_tag, tag) {
-    var tag_row = $("tag_" + tag);
-
-    if (tag_row._tags.indexOf(new_tag) != -1)
-        return false;
-    
-    tag_row._tags.push(new_tag);
-
-    $("tag_" + tag + "_tags").appendChild(_tag_name(new_tag));
-
-/*
-    new Ajax.Request("taggr2.py", {
-        parameters: {
-            act: 'tag',
-            tag: new_tag,
-            img: $("tag_" + tag + "_images")._images,
-        },
-        method: 'get'
-    });
-*/
-}
-
-function tag_remove_tag (tag_name) {
-    var tag_row = $("tag_" + tag_name + "_name").up(1);
-    array_remove(tag_row._tags, tag_name);
-    
-    $("tag_" + tag_row._tag + "_tags").removeChild($("tag_" + tag_name + "_name"));
-
-    if (tag_row._tags.length == 0)
-        $("tag_table").removeChild(tag_row);
-}
-
-function get_tag (tag_name, postfix) {
-    return $("tag_" + $("tag_" + tag_name).up(1)._tag + "_" + postfix);
-}
-
-function tag_add_image (orig_img, copy_img, tag, saveToDB) {
-    var tag_images = $('tag_' + tag + '_images');
-
-    if (tag_images._images.indexOf(orig_img._key) != -1)
-        return false;
-
-    if (!copy_img)
-        copy_img = image_copy(orig_img);
-
-    tag_images._images.push(orig_img._key)
-    orig_img._tags.push(tag);
-
-    copy_img.id = "tag_" + tag + "_img_" + orig_img._key
-    copy_img._tag = tag;
-
-    tag_images.appendChild(copy_img);
-    tag_images._visibleCount++;
-    
-    if (saveToDB) {
-        new Ajax.Request("taggr2.py", {
-            parameters: {
-                act: 'tag',
-                img: orig_img._key,
-                tag: $("tag_" + tag)._tags,
-            },
-            method: 'get'
-
-        });
-    }
-}
-
-function tag_add_images (images, tag_name) {
-    var tag_images = $('tag_' + tag_name + '_images');
-    var copy_img, img_keys = new Array();
-
-    images.each(function(orig_img){
-        tag_add_image(orig_img, null, tag_name, false);
-        img_keys.push(orig_img._key);
-    });
-
-    new Ajax.Request("taggr2.py", {
-        parameters: {
-            act: 'tag',
-            img: img_keys,
-            tag: $("tag_" + tag_name)._tags,
-        },
-        method: 'get'
-
-    });
-}
-
-function tag_remove_image (img_key, tag_name) {
-    var tag_images = $("tag_" + tag_name + "_images");
-
-    tag_images.removeChild($("tag_" + tag_name + "_img_" + img_key));
-    array_remove(tag_images._images, img_key);
-
-    if (tag_images._images.length == 0)
-        $("tag_" + tag_name).hide();
-
-    new Ajax.Request("taggr2.py", {
-        parameters: {
-            act: 'untag',
-            img: img_key,
-            tag: $("tag_" + tag_name)._tags,
-        },
-        method: 'get',
-    });
-}
-
-function hide_tag_image (tag, img) {
-    $("tag_" + tag + "_img_" + img).hide();
-
-    if (--$("tag_" + tag + "_images")._visibleCount == 0)
-        $("tag_" + tag).hide();
-}
-
-function show_tag_image (tag, img) {
-    $("tag_" + tag + "_img_" + img).show();
-
-    if ($("tag_" + tag + "_images")._visibleCount++ == 0)
-         $("tag_" + tag).show();
-}
-
-/*
- * Frontend image drag code
- */
-var g_ghost;
-function drag_start (e) {
-    if (e.hasClassName("image") || e.hasClassName("tag_image"))
-        g_ghost = image_copy(e);
-    else {
-        var name;
-
-        if (e.hasClassName("tag_name"))
-            name = e._tag;
-        else
-            name = $F($('new_tag'));
-
-        g_ghost = Builder.node("span", {className: 'dragged'}, [name]);
-    }
-
-    $('taggr').appendChild(g_ghost);
-
-    g_ghost.style.position = "absolute";
-}
-
-function drag_move (e, ev) {
-    g_ghost.style.left = ev.pointerX() - g_offset.left + "px";
-    g_ghost.style.top = ev.pointerY() - g_offset.top + "px";
-}
-
-function drag_end_drop (e, s, ev) {
-    g_ghost.style.position = "static";
-    $('taggr').removeChild(g_ghost);
-    
-    if (e.hasClassName("image") || e.hasClassName("tag_image")) {
-        var selection = $$(".selection");
-
-        if (selection.length)
-            tag_add_images($$(".selection"), s._tag);
-        else
-            tag_add_image(e, g_ghost, s._tag, true);
-            
-/*
-        if (!tag_add_image(e, g_ghost, s._tag, true))
-            // it was already in there
-            Effect.Shake("tagimg_" + s._tag + "_" + g_ghost._key);
-*/            
-    } else if (e.hasClassName("tag_name")) {
-        null;   // breakpoint
-    } else {
-        tag_add_tag($F($('new_tag')), s._tag);
-    }
-}
-
-function drag_end_fail (e, ev) {
-    if (e.hasClassName("tag_image")) {
-        tag_remove_image(e._key, e._tag);
-        $('taggr').removeChild(g_ghost);
-    } else if (e.hasClassName("tag_name")) {
-        tag_remove_tag(e._tag);
-    } else {
-        $('taggr').removeChild(g_ghost);
-    }
-}
-
-function drag_cleanup (e, ev) {
-    g_ghost = null;
-}
-
-function drag_hover (e, s, ev) {
-    s.addClassName("hover");
-}
-
-function drag_unhover (e, s, ev) {
-    s.removeClassName("hover");
-}
-
-/*
- * Backend image click/drag code
- */
-
-var g_drag, g_hover, g_start, g_offset, g_targets;
-function check_mouse_down (ev) {
-    var e = ev.element();
-    
-    if (!ev.isLeftClick())
-        return true;
-
-    if (e.hasClassName("image") || e.hasClassName("draggable") || e.hasClassName("tag_image")) {
-        g_drag = e;
-        g_start = false;
-        
-        var offset = e.cumulativeOffset();
-
-        g_offset = {
-            'left': ev.pointerX() - offset.left,
-            'top': ev.pointerY() - offset.top
-        };
-
-        g_hover = null;
-
-        g_targets = $$(".tag_row");
-
-    } else if (e.hasClassName("directory_link")) {
-        toggle_dir(e);
-
-    } else {
-        return true;
-    }
-    
-    ev.stop();
-    return false;
-}
-
-function check_mouse_up (ev) {
-    if (g_drag) {
-        if (g_start) {
-            if (g_hover) {
-                drag_unhover(g_drag, g_hover, ev);
-                drag_end_drop(g_drag, g_hover, ev);
-            } else
-                drag_end_fail(g_drag, ev);
-            
-            drag_cleanup(g_drag);
-        } else if (g_drag.hasClassName("image") || g_drag.hasClassName("tag_image")) {
-            // in case image_click blocks and we get a mouse_move during it
-            var tmp = g_drag;
-            g_drag = null;
-
-            image_click(tmp, ev);
-        }
-
-        g_start = null;
-        g_drag = null;
-        g_hover = null;
-
-        ev.stop();
-        return false;
-    }   
-}
-
-function check_mouse_move (ev) {
-    if (g_drag) {
-        if (!g_start) {
-            drag_start(g_drag);
-            g_start = true;
-        }
-
-        drag_move(g_drag, ev);
-        
-        Position.prepare();
-
-        var px = ev.pointerX();
-        var py = ev.pointerY();
-
-        if (g_hover) {
-            if (!Position.withinIncludingScrolloffsets(g_hover, px, py)) {
-                drag_unhover(g_drag, g_hover, ev);
-                g_hover = null;
-            }
-        } else {
-            for (var i=0;i<g_targets.length;i++)
-                if (Position.withinIncludingScrolloffsets(g_targets[i], px, py)) {
-                    drag_hover(g_drag, g_targets[i], ev);
-                    g_hover = g_targets[i];
-                    break;
-                }
-        }
-
-        ev.stop();
-        return false;
-    }
-}
-
-function check_drag_hover (ev) {
-    if (g_start) {
-        var e = ev.element();
-
-        if (e.hasClassName("tag_row")) {
-            drag_hover(g_drag, e, ev);
-            g_hover = e;
-        }
-    }
-}
-
-function check_drag_nohover (ev) {
-    if (g_start) {
-        var e = ev.element();
-
-        if (g_hover && e == g_hover) {
-            drag_unhover(g_drag, g_hover, ev);
-            g_hover = null;
-        }
-    }
-}
-
-/* 
- * utility code
- */
-function image_copy (img) {
-    copy = Builder.node("img", {
-        src: img.src,
-        className: "tag_image",
-    });
-
-    copy._key = img._key;
-    copy._tags = img._tags;
-    
-    return copy;
-}
-
-function array_remove (a, i) {
-    a.splice(a.indexOf(i), 1);
-}
-
-/*
- * events
- */
-Event.observe(document, "mousedown", check_mouse_down);
-Event.observe(document, "mouseup", check_mouse_up);
-Event.observe(document, "mousemove", check_mouse_move);
-Event.observe(document, "mouseover", check_drag_hover);
-Event.observe(document, "mouseout", check_drag_nohover);
-Event.observe(document, "dragenter", check_drag_hover);     // worth a try...
-Event.observe(document, "dragexit", check_drag_nohover);
-
diff -r 73aef1124b67 -r 64a0168a6f50 lib/tags.py
--- a/lib/tags.py	Wed Jun 03 18:36:17 2009 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,89 +0,0 @@
-import shelve
-
-class TagDB (object) :
-    _imgs_cache = {}
-
-    def __init__ (self, read_only=True) :
-        self.img_tags = shelve.open("img_tags", read_only and 'r' or 'c')
-        self.tag_imgs = shelve.open("tag_imgs", read_only and 'r' or 'c')
-
-    def tag (self, img, tag) :
-        """
-            Associate the given image with the given tag
-        """
-
-        if img not in self.img_tags :
-            self.img_tags[img] = set([tag])
-        else :
-            s = self.img_tags[img]
-            s.add(tag)
-            self.img_tags[img] = s
-
-
-        if tag not in self.tag_imgs :
-            self.tag_imgs[tag] = set([img])
-        else :
-            s = self.tag_imgs[tag]
-            s.add(img)
-            self.tag_imgs[tag] = s
-
-        print "%s <-> %s" % (img, tag)
-    
-    def imgs (self, tags) :
-        """
-            Get the set of images that have the given set of tags
-        """
-
-        cache_key = "/".join(tags)
-        
-        if cache_key in self._imgs_cache :
-            return self._imgs_cache[cache_key]
-
-        if not tags :
-            return set(self.img_tags.keys())
-
-        img_sets = [self.tag_imgs[tag] for tag in tags]
-        
-        res = None
-
-        for img_set in img_sets :
-            if res :
-                res = res & img_set
-            else :
-                res = img_set
-
-        self._imgs_cache[cache_key] = res
-        
-        return res
-    
-    def tags (self, tags) :
-        """
-            Get the set of tags that are present in the set of images specified by these tags, sorted by count
-
-            This is currently implemented quite inefficiently... giev SQL db?
-        """
-        
-        imgs = self.imgs(tags)
-        
-        ret = []
-        
-        for tag in self.tag_imgs.keys() :
-            if tag in tags :
-                continue
-
-            count = len(self.tag_imgs[tag] & imgs)
-
-            if count :
-                ret.append((tag, count))
-
-        def my_cmp ((at, ac), (bt, bc)) :
-            return cmp((ac, at), (bc, bt))
-
-        ret.sort(reverse=True)
-
-        return ret
-    
-    def close (self) :
-        self.img_tags.close()
-        self.tag_imgs.close()
-
diff -r 73aef1124b67 -r 64a0168a6f50 templates/taggr.html
--- a/templates/taggr.html	Wed Jun 03 18:36:17 2009 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,19 +0,0 @@
-<%! use_javascript = True %>
-<%inherit file="master.html" /> <!-- %> -->
-
-    <div id="taggr">
-        <div id="tags">
-            <table cellpadding="0" cellspacing="0" id="tag_table">
-            </table>
-        </div>
-        <div id="toolbar">
-            <ul>
-                <li><a href="#" onclick="selection_clear()">Clear selection</a></li>
-                <li><input type="text" name="new_tag" id="new_tag" /><a href="#" onclick="new_tag($F($('new_tag')))" class="draggable">Create Tag</a></li>
-            </ul>
-        </div>
-        <div id="images">
-            <%include file="taggr_dir.html" />
-        </div>
-    </div>
-
diff -r 73aef1124b67 -r 64a0168a6f50 templates/taggr_dir.html
--- a/templates/taggr_dir.html	Wed Jun 03 18:36:17 2009 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,19 +0,0 @@
-% if subdirs :
-<ul>
-%   for name, path in subdirs :
-    <li>
-        <a href="#" class="directory_link">${name}</a>
-        <div id="${path}" style="display: none" >
-
-        </div>
-    </li>
-%   endfor                    
-</ul>
-% endif
-
-<div class="images">
-% for i, (id, image, tags) in enumerate(images) :
-    <img src="../${image}" onload="image_info(this, ${i}, ${id}, [${",".join(("'%s'" % tag for tag in tags))}])" class="image" id="img_${id}" />
-% endfor
-</div>
-
diff -r 73aef1124b67 -r 64a0168a6f50 www/style.css
--- a/www/style.css	Wed Jun 03 18:36:17 2009 +0300
+++ b/www/style.css	Wed Jun 03 18:36:26 2009 +0300
@@ -90,135 +90,3 @@
     background-color: #666666;
 }
 
-/* taggr */
-
-#taggr div#tags,
-#taggr div#images {
-	border: 1px solid #666666;
-    padding: 5px;
-}
-
-#taggr ul {
-    margin: 0px;
-    padding: 0px;
-}
-
-#taggr li {
-    padding: 10px;
-
-    list-style-type: none;
-}
-
-#taggr div#tags {
-    max-height: 300px;
-
-    overflow: auto;
-}
-
-
-#taggr div#tags table {
-    width: 100%;
-
-    border: none;
-    border-collapse: collapse;
-}
-
-#taggr div#tags tr {
-    height: 140px;
-}
-
-#taggr div#tags td {
-    border-top: 1px solid #444444;
-    border-bottom: 1px solid #444444;
-    padding: 3px;
-}
-
-#taggr div#tags td.tag {
-    width: 20%;
-
-    vertical-align: center;
-    text-align: center
-}
-
-#taggr div#tags td.tag ul {
-    margin: 0px;
-    padding: 0px;
-}
-
-#taggr div#tags td.tag li {
-    padding: 0px;
-    list-style-type: none;
-}
-
-#taggr div#tags td.tag_images {
-
-    text-align: left;
-    
-    height: 135px;
-    overflow: auto;
-}
-
-#taggr div#tags tr.hover {
-	background-color: #222222;
-}
-
-#taggr div#images {
-    max-height: 450px;
-    overflow: auto;
-
-    text-align: center;
-    font-weight: bold;
-}
-
-#taggr div#images ul {
-}
-
-#taggr div#images li {
-    padding: 0px;
-    margin-left: 10px;
-}
-
-#taggr div#images a {
-    display: block;
-    border: 1px solid #444444;
-
-    padding: 3px;
-}
-
-#taggr div#images div {
-    margin: 0px;
-    border: 1px solid #444444;
-}
-
-#taggr div#images div.images {
-//    max-height: 255px;
-    overflow: auto;
-    padding-top: 5px;
-    border: none;
-}
-
-img.image {
-    z-index: 800;
-}
-
-img.selection {
-	border: 1px solid #ffbb00;
-}
-
-#taggr div#toolbar ul {
-    margin: 0px;
-    padding: 0px;
-
-    line-height: 30px;
-    white-space: nowrap;
-}
-
-#taggr div#toolbar li {
-    list-style-type: none;
-    display: inline;
-}
-
-#taggr div#toolbar input {
-    background-color: #444444;
-    border: 1px solid #333333;
-}