[Jifty-commit] r4459 - in jifty/trunk: . lib/Jifty/Test/WWW share/web/static/js share/web/static/js/scriptaculous t/TestApp-Plugin-OnClick/share/web/templates t/TestApp-Plugin-OnClick/t

jifty-commit at lists.jifty.org jifty-commit at lists.jifty.org
Fri Nov 16 18:39:05 EST 2007


Author: sartak
Date: Fri Nov 16 18:39:04 2007
New Revision: 4459

Modified:
   jifty/trunk/   (props changed)
   jifty/trunk/lib/Jifty/Test/WWW/Selenium.pm
   jifty/trunk/lib/Jifty/Web/Form/Element.pm
   jifty/trunk/share/web/static/js/jifty.js
   jifty/trunk/share/web/static/js/prototype.js
   jifty/trunk/share/web/static/js/scriptaculous/effects.js
   jifty/trunk/t/TestApp-Plugin-OnClick/share/web/templates/content.html
   jifty/trunk/t/TestApp-Plugin-OnClick/share/web/templates/onclick.html
   jifty/trunk/t/TestApp-Plugin-OnClick/t/onclick.t

Log:
 r45277 at onn:  sartak | 2007-11-16 18:38:57 -0500
 Revert r4435 because it breaks Safari 3.0.4


Modified: jifty/trunk/lib/Jifty/Test/WWW/Selenium.pm
==============================================================================
--- jifty/trunk/lib/Jifty/Test/WWW/Selenium.pm	(original)
+++ jifty/trunk/lib/Jifty/Test/WWW/Selenium.pm	Fri Nov 16 18:39:04 2007
@@ -114,7 +114,7 @@
 	    close *STDOUT;
 	}
 	$ENV{LANG} = $args{lang} || 'en_US.UTF-8';
-	$ENV{PATH} = "$ENV{PATH}:/usr/lib/firefox:/usr/lib/mozilla-firefox";
+	$ENV{PATH} = "$ENV{PATH}:/usr/lib/firefox";
 	Test::More::diag "start selenium rc [$$]";
 	local $SIG{CHLD} = \&_REAPER;
 	local $SIG{TERM} = sub { exit 0 };

Modified: jifty/trunk/lib/Jifty/Web/Form/Element.pm
==============================================================================
--- jifty/trunk/lib/Jifty/Web/Form/Element.pm	(original)
+++ jifty/trunk/lib/Jifty/Web/Form/Element.pm	Fri Nov 16 18:39:04 2007
@@ -560,7 +560,7 @@
         if ( @fragments or ( !$actions || %$actions ) ) {
 
             my $update = Jifty->web->escape(
-                "Jifty.update( "
+                "update( "
                     . Jifty::JSON::objToJson(
                     {   actions      => $actions,
                         action_arguments => $action_arguments,

Modified: jifty/trunk/share/web/static/js/jifty.js
==============================================================================
--- jifty/trunk/share/web/static/js/jifty.js	(original)
+++ jifty/trunk/share/web/static/js/jifty.js	Fri Nov 16 18:39:04 2007
@@ -24,7 +24,7 @@
 }
 
 function _get_onclick(action_hash, name, args, path) {
-    var onclick = 'if(event.ctrlKey||event.metaKey||event.altKey||event.shiftKey) return true; return Jifty.update('
+    var onclick = 'if(event.ctrlKey||event.metaKey||event.altKey||event.shiftKey) return true; return update('
     + JSON.stringify({'continuation': {},
                       'actions': action_hash,
                       'fragments': [{'mode': 'Replace', 'args': args, 'region': name, 'path': path}]})
@@ -519,9 +519,9 @@
     getAction: function (element) {
         element = $(element);    
         var moniker = Form.Element.getMoniker(element);
-        if (!current_actions.get(moniker))
-            current_actions.set(moniker, new Action(moniker));
-        return current_actions.get(moniker);
+        if (!current_actions[moniker])
+            current_actions[moniker] = new Action(moniker);
+        return current_actions[moniker];
     },
 
     // Returns the name of the field
@@ -609,14 +609,14 @@
         var pairs = element.getAttribute("name").split("|");
         for (var i = 0; i < pairs.length; i++) {
             var bits = pairs[i].split('=',2);
-            extras.set(bits[0], bits[1]);
+            extras[bits[0]] = bits[1];
         }
         return extras;
     },
 
     buttonActions: function(element) {
         element = $(element);
-        var actions = Form.Element.buttonArguments(element).get('J:ACTIONS');
+        var actions = Form.Element.buttonArguments(element)['J:ACTIONS'];
         if(actions) {
             return actions.split(",");
         } else {
@@ -634,7 +634,7 @@
             var e = document.createElement("input");
             e.setAttribute("type", "hidden");
             e.setAttribute("name", keys[i]);
-            e.setAttribute("value", args.get(keys[i]));
+            e.setAttribute("value", args[keys[i]]);
             e['virtualform'] = Form.Element.getForm(element);
             extras.push(e);
         }
@@ -737,8 +737,8 @@
         this.name = name;
         this.args = $H(args);
         this.path = path;
-        this.parent = parent ? fragments.get(parent) : null;
-        if (fragments.get(name)) {
+        this.parent = parent ? fragments[parent] : null;
+        if (fragments[name]) {
             // If this fragment already existed, we want to wipe out
             // whatever evil lies we might have said earlier; do this
             // by clearing out everything that looks relevant
@@ -747,12 +747,12 @@
                 var k = keys[i];
                 var parsed = k.match(/^(.*?)\.(.*)/);
                 if ((parsed != null) && (parsed.length == 3) && (parsed[1] == this.name)) {
-                    current_args.unset(k);
+                    delete current_args[k];
                 }
             }
         }
 
-        fragments.set(name, this);
+        fragments[name] = this;
     },
 
     setPath: function(supplied) {
@@ -761,7 +761,7 @@
         for (var i = 0; i < keys.length; i++) {
             var k = keys[i];
             if (k == this.name) {
-                this.path = current_args.get(k);
+                this.path = current_args[k];
             }
         }
 
@@ -771,7 +771,7 @@
         }
         
         // Propagate back to current args
-        current_args.set(this.name, this.path);
+        current_args[this.name] = this.path;
 
         // Return new value
         return this.path;
@@ -785,7 +785,7 @@
             var k = keys[i];
             var parsed = k.match(/^(.*?)\.(.*)/);
             if ((parsed != null) && (parsed.length == 3) && (parsed[1] == this.name)) {
-                this.args.set(parsed[2], current_args.get(k));
+                this.args[parsed[2]] = current_args[k];
             }
         }
 
@@ -796,7 +796,7 @@
         keys = supplied.keys();
         for (var i = 0; i < keys.length; i++) {
             var k = keys[i];
-            current_args.set(this.name+'.'+k, supplied.get(k));
+            current_args[this.name+'.'+k] = supplied[k];
         }
         
         // Return new values
@@ -854,12 +854,12 @@
         // If we're removing the element, do it now
         // XXX TODO: Effects on this?
         if (f['mode'] == "Delete") {
-            fragments.set(name, null);
+            fragments[name] = null;
             Element.remove(element);
             return;
         }
 
-        f['is_new'] = (fragments.get(name) ? false : true);
+        f['is_new'] = (fragments[name] ? false : true);
         // If it's new, we need to create it so we can dump it
         if (f['is_new']) {
             // Find what region we're inside
@@ -878,14 +878,14 @@
 
             // Make the region (for now)
             new Region(name, f['args'], f['path'], f['parent']);
-        } else if ((f['path'] != null) && f['toggle'] && (f['path'] == fragments.get(name).path)) {
+        } else if ((f['path'] != null) && f['toggle'] && (f['path'] == fragments[name].path)) {
             // If they set the 'toggle' flag, and clicking wouldn't change the path
             Element.update(element, '');
-            fragments.get(name).path = null;
+            fragments[name].path = null;
             return;
         } else if (f['path'] == null) {
             // If they didn't know the path, fill it in now
-            f['path'] == fragments.get(name).path;
+            f['path'] == fragments[name].path;
         }
 
     return f;    
@@ -931,7 +931,7 @@
 //   - f: fragment spec
 var apply_fragment_updates = function(fragment, f) {
     // We found the right fragment
-    var dom_fragment = fragments.get(f['region']);
+    var dom_fragment = fragments[f['region']];
     var new_dom_args = $H();
 
     var element = f['element'];
@@ -947,7 +947,7 @@
             } else if (fragment_bit.firstChild) {
                 textContent = fragment_bit.firstChild.nodeValue;
             }
-            new_dom_args.set(fragment_bit.getAttribute("name"), textContent);
+            new_dom_args[fragment_bit.getAttribute("name")] = textContent;
         },
       content: function(fragment_bit) {
             var textContent = '';
@@ -1001,7 +1001,7 @@
 //     - 'element' is the CSS selector of the element to update, if 'region' isn't supplied
 //     - 'mode' is one of 'Replace', or the name of a Prototype Insertion
 //     - 'effect' is the name of a Prototype Effect
-Jifty.update = function () {
+function update() {
     // loads
     if(!Ajax.getTransport()) return true;
     // XXX: prevent default behavior in IE
@@ -1019,7 +1019,7 @@
     var disabled_elements = $A();
 
     // Set request base path
-    request.set('path', '/__jifty/webservices/xml');
+    request['path'] = '/__jifty/webservices/xml';
 
     // Grab extra arguments (from a button)
     var button_args = Form.Element.buttonFormElements(trigger);
@@ -1039,11 +1039,11 @@
         optional_fragments = [ prepare_element_for_update({'mode':'Replace','args':{},'region':'__page','path': null}) ];
     // Build actions structure
     var has_request = 0;
-    request.set('actions', $H());
+    request['actions'] = $H();
     for (var moniker in named_args['actions']) {
         var disable = named_args['actions'][moniker];
         var a = new Action(moniker, button_args);
-            current_actions.set(moniker, a); // XXX: how do i make this bloody singleton?
+            current_actions[moniker] = a; // XXX: how do i make this bloody singleton?
         // Special case for Redirect, allow optional, implicit __page
         // from the response to be used.
         if (a.actionClass == 'Jifty::Action::Redirect')
@@ -1066,13 +1066,13 @@
                     fields[argname] = { value: override[argname] };
                 }
             }
-            request.get('actions').set(moniker, param);
+            request['actions'][moniker] = param;
             ++has_request;
         }
 
     }
 
-    request.set('fragments', $H());
+    request['fragments'] = $H();
     var update_from_cache = new Array;
 
     // Build fragments structure
@@ -1087,7 +1087,7 @@
             var content_node = document.createElement('content');
             var cached_result;
 
-            Jifty.Web.current_region = fragments.get(f['region']);
+            Jifty.Web.current_region = fragments[f['region']];
             try { cached_result = apply_cached_for_action(cached['content'], []) }
             catch (e) { alert(e) }
 
@@ -1107,7 +1107,7 @@
             my_fragment.setAttribute('id', f['region']);
             update_from_cache.push(function(){
                     var cached_result;
-                    Jifty.Web.current_region = fragments.get(f['region']);
+                    Jifty.Web.current_region = fragments[f['region']];
                     try {
                         cached_result = apply_cached_for_action(cached['content'], Form.getActions(form));
                     }
@@ -1134,14 +1134,14 @@
 
         // Update with all new values
         var name = f['region'];
-        var fragment_request = fragments.get(name).data_structure(f['path'], f['args']);
+        var fragment_request = fragments[name].data_structure(f['path'], f['args']);
 
         if (f['is_new'])
             // Ask for the wrapper if we are making a new region
             fragment_request['wrapper'] = 1;
 
         // Push it onto the request stack
-        request.get('fragments').set(name, fragment_request);
+        request['fragments'][name] = fragment_request;
         ++has_request;
     }
 
@@ -1169,7 +1169,7 @@
                                       var text = error.textContent
                                           ? error.textContent
                                           : (error.firstChild ? error.firstChild.nodeValue : '');
-                                      var action = current_actions.get(moniker);
+                                      var action = current_actions[moniker];
                                       action.result.field_error[field.getAttribute("name")] = text;
                                       }
                               }});
@@ -1226,15 +1226,15 @@
     };
 
     // Build variable structure
-    request.set('variables', $H());
+    request['variables'] = $H();
     var keys = current_args.keys();
     for (var i = 0; i < keys.length; i++) {
         var k = keys[i];
-        request.get('variables').set('region-'+k, current_args.get(k));
+        request['variables']['region-'+k] = current_args[k];
     }
 
     // Build continuation structure
-    request.set('continuation', named_args['continuation']);
+    request['continuation'] = named_args['continuation'];
 
     // Push any state variables which we set into the forms
     for (var i = 0; i < document.forms.length; i++) {
@@ -1243,20 +1243,20 @@
         for (var j = 0; j < keys.length; j++) {
             var n = keys[j];
             if (form['J:V-region-'+n]) {
-                form['J:V-region-'+n].value = current_args.get(n);
+                form['J:V-region-'+n].value = current_args[n];
             } else {
                 var hidden = document.createElement('input');
                 hidden.setAttribute('type',  'hidden');
                 hidden.setAttribute('name',  'J:V-region-'+n);
                 hidden.setAttribute('id',    'J:V-region-'+n);
-                hidden.setAttribute('value', current_args.get(n));
+                hidden.setAttribute('value', current_args[n]);
                 form.appendChild(hidden);
             }
         }
     }
 
     // Set up our options
-    var options = { postBody: request.toJSON(), //JSON.stringify(request.toObject),
+    var options = { postBody: JSON.stringify(request),
                     onSuccess: onSuccess,
                     onException: onFailure,
                     onFailure: onFailure,
@@ -1271,11 +1271,6 @@
     return false;
 }
 
-function update ( named_args, trigger ) {
-    alert( 'please use Jifty.update instead of update.' );
-    return Jifty.update( named_args, trigger );
-}
-
 function trace( msg ){
   if( typeof( jsTrace ) != 'undefined' ){
     jsTrace.send( msg );
@@ -1416,10 +1411,10 @@
   getUpdatedChoices: function() {
       var request = { path: this.url, actions: {} };
 
-      var a = {}; //$H();
+      var a = $H();
       a['moniker'] = 'autocomplete';
       a['class']   = 'Jifty::Action::Autocomplete';
-      a['fields']  = {}; //$H();
+      a['fields']  = $H();
       a['fields']['moniker']  = this.action.moniker;
       a['fields']['argument'] = Form.Element.getField(this.field);
       request['actions']['autocomplete'] = a;
@@ -1520,39 +1515,33 @@
     // and then merge them.
     var hiddens = $H();
     var buttons = $H();
-    var inputs = $H();
+    var inputs = $H()
     for (var i = 0; i < elements.length; i++) {
         var e = elements[i];
         var parsed = e.getAttribute("name").match(/^J:V-region-__page\.(.*)/);
         var extras = Form.Element.buttonArguments(e);
-        if (extras.keys().length > 1) {
+        if (extras.keys().length > 0) {
             // Button with values
             for (var j = 0; j < extras.keys().length; j++) {
-                if ( extras.keys()[j] == 'extend' ) continue;
                 // Might also have J:V mappings on it
                 parsed = extras.keys()[j].match(/^J:V-region-__page\.(.*)/);
                 if ((parsed != null) && (parsed.length == 2)) {
-                    buttons.set(parsed[1], extras.values()[j]);
+                    buttons[parsed[1]] = extras.values()[j];
                 } else if (extras.keys()[j].length > 0) {
-                    inputs.set(extras.keys()[j], extras.values()[j]);
+                    inputs[extras.keys()[j]] = extras.values()[j];
                 }
                 
             }
         } else if ((parsed != null) && (parsed.length == 2)) {
             // Hidden default
-            hiddens.set(parsed[1], $F(e));
+            hiddens[parsed[1]] = $F(e);
         } else if (e.name.length > 0) {
             // Straight up values
-            inputs.set(e.name, $F(e));
+            inputs[e.name] = $F(e);
         }
     }
 
     var args = hiddens.merge(buttons.merge(inputs));
-
-    /* we want to feed a common object instead of a Hash to Jifty.update */ 
-    var args_object = {};
-    args.each( function( pair ) { args_object[pair.key] = pair.value; } );
-
     if(event.ctrlKey||event.metaKey||event.altKey||event.shiftKey) return true;
-    return Jifty.update( {'continuation':{},'actions':null,'fragments':[{'mode':'Replace','args':args_object,'region':'__page','path': submit_to}]}, elt );
+    return update( {'continuation':{},'actions':null,'fragments':[{'mode':'Replace','args':args,'region':'__page','path': submit_to}]}, elt );
 }

Modified: jifty/trunk/share/web/static/js/prototype.js
==============================================================================
--- jifty/trunk/share/web/static/js/prototype.js	(original)
+++ jifty/trunk/share/web/static/js/prototype.js	Fri Nov 16 18:39:04 2007
@@ -1,290 +1,102 @@
-/*  Prototype JavaScript framework, version 1.6.0
- *  (c) 2005-2007 Sam Stephenson
+/*  Prototype JavaScript framework, version 1.4.0
+ *  (c) 2005 Sam Stephenson <sam at conio.net>
+ *
+ *  THIS FILE IS AUTOMATICALLY GENERATED. When sending patches, please diff
+ *  against the source tree, available from the Prototype darcs repository.
  *
  *  Prototype is freely distributable under the terms of an MIT-style license.
- *  For details, see the Prototype web site: http://www.prototypejs.org/
  *
- *--------------------------------------------------------------------------*/
+ *  For details, see the Prototype web site: http://prototype.conio.net/
+ *
+/*--------------------------------------------------------------------------*/
 
 var Prototype = {
-  Version: '1.6.0',
-
-  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 }
-};
+  Version: '1.4.0',
+  ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
 
-if (Prototype.Browser.MobileSafari)
-  Prototype.BrowserFeatures.SpecificElementExtensions = false;
-
-if (Prototype.Browser.WebKit)
-  Prototype.BrowserFeatures.XPath = false;
+  emptyFunction: function() {},
+  K: function(x) {return x}
+}
 
-/* Based on Alex Arnell's inheritance implementation. */
 var Class = {
   create: function() {
-    var parent = null, properties = $A(arguments);
-    if (Object.isFunction(properties[0]))
-      parent = properties.shift();
-
-    function klass() {
+    return function() {
       this.initialize.apply(this, arguments);
     }
-
-    Object.extend(klass, Class.Methods);
-    klass.superclass = parent;
-    klass.subclasses = [];
-
-    if (parent) {
-      var subclass = function() { };
-      subclass.prototype = parent.prototype;
-      klass.prototype = new subclass;
-      parent.subclasses.push(klass);
-    }
-
-    for (var i = 0; i < properties.length; i++)
-      klass.addMethods(properties[i]);
-
-    if (!klass.prototype.initialize)
-      klass.prototype.initialize = Prototype.emptyFunction;
-
-    klass.prototype.constructor = klass;
-
-    return klass;
-  }
-};
-
-Class.Methods = {
-  addMethods: function(source) {
-    var ancestor   = this.superclass && this.superclass.prototype;
-    var properties = Object.keys(source);
-
-    if (!Object.keys({ toString: true }).length)
-      properties.push("toString", "valueOf");
-
-    for (var i = 0, length = properties.length; i < length; i++) {
-      var property = properties[i], value = source[property];
-      if (ancestor && Object.isFunction(value) &&
-          value.argumentNames().first() == "$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 = { };
+var Abstract = new Object();
 
 Object.extend = function(destination, source) {
-  for (var property in source)
+  for (property in source) {
     destination[property] = source[property];
+  }
   return destination;
-};
-
-Object.extend(Object, {
-  inspect: function(object) {
-    try {
-      if (object === undefined) return 'undefined';
-      if (object === null) return 'null';
-      return object.inspect ? object.inspect() : object.toString();
-    } catch (e) {
-      if (e instanceof RangeError) return '...';
-      throw e;
-    }
-  },
-
-  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 (value !== undefined)
-        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.inspect = function(object) {
+  try {
+    if (object == undefined) return 'undefined';
+    if (object == null) return 'null';
+    return object.inspect ? object.inspect() : object.toString();
+  } catch (e) {
+    if (e instanceof RangeError) return '...';
+    throw e;
   }
-});
-
-Object.extend(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 && arguments[0] === undefined) 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));
-    }
-  },
+Function.prototype.bind = function() {
+  var __method = this, args = $A(arguments), object = args.shift();
+  return function() {
+    return __method.apply(object, args.concat($A(arguments)));
+  }
+}
 
-  curry: function() {
-    if (!arguments.length) return this;
-    var __method = this, args = $A(arguments);
-    return function() {
-      return __method.apply(this, args.concat($A(arguments)));
-    }
-  },
+Function.prototype.bindAsEventListener = function(object) {
+  var __method = this;
+  return function(event) {
+    return __method.call(object, event || window.event);
+  }
+}
 
-  delay: function() {
-    var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
-    return window.setTimeout(function() {
-      return __method.apply(__method, args);
-    }, timeout);
+Object.extend(Number.prototype, {
+  toColorPart: function() {
+    var digits = this.toString(16);
+    if (this < 16) return '0' + digits;
+    return digits;
   },
 
-  wrap: function(wrapper) {
-    var __method = this;
-    return function() {
-      return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
-    }
+  succ: function() {
+    return this + 1;
   },
 
-  methodize: function() {
-    if (this._methodized) return this._methodized;
-    var __method = this;
-    return this._methodized = function() {
-      return __method.apply(null, [this].concat($A(arguments)));
-    };
+  times: function(iterator) {
+    $R(0, this, true).each(iterator);
+    return this;
   }
 });
 
-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++) {
+    for (var i = 0; i < arguments.length; i++) {
       var lambda = arguments[i];
       try {
         returnValue = lambda();
         break;
-      } catch (e) { }
+      } catch (e) {}
     }
 
     return returnValue;
   }
-};
-
-RegExp.prototype.match = RegExp.prototype.test;
-
-RegExp.escape = function(str) {
-  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
-};
+}
 
 /*--------------------------------------------------------------------------*/
 
-var PeriodicalExecuter = Class.create({
+var PeriodicalExecuter = Class.create();
+PeriodicalExecuter.prototype = {
   initialize: function(callback, frequency) {
     this.callback = callback;
     this.frequency = frequency;
@@ -294,87 +106,40 @@
   },
 
   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;
+    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
   },
 
   onTimerEvent: function() {
     if (!this.currentlyExecuting) {
       try {
         this.currentlyExecuting = true;
-        this.execute();
+        this.callback();
       } 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 = count === undefined ? 1 : count;
-
-    return this.gsub(pattern, function(match) {
-      if (--count < 0) return match[0];
-      return replacement(match);
-    });
-  },
+function $() {
+  var elements = new Array();
 
-  scan: function(pattern, iterator) {
-    this.gsub(pattern, iterator);
-    return String(this);
-  },
+  for (var i = 0; i < arguments.length; i++) {
+    var element = arguments[i];
+    if (typeof element == 'string')
+      element = document.getElementById(element);
 
-  truncate: function(length, truncation) {
-    length = length || 30;
-    truncation = truncation === undefined ? '...' : truncation;
-    return this.length > length ?
-      this.slice(0, length - truncation.length) + truncation : String(this);
-  },
+    if (arguments.length == 1)
+      return element;
 
-  strip: function() {
-    return this.replace(/^\s+/, '').replace(/\s+$/, '');
-  },
+    elements.push(element);
+  }
 
+  return elements;
+}
+Object.extend(String.prototype, {
   stripTags: function() {
     return this.replace(/<\/?[^>]+>/gi, '');
   },
@@ -392,40 +157,28 @@
   },
 
   evalScripts: function() {
-    return this.extractScripts().map(function(script) { return eval(script) });
+    return this.extractScripts().map(eval);
   },
 
   escapeHTML: function() {
-    var self = arguments.callee;
-    self.text.data = this;
-    return self.div.innerHTML;
+    var div = document.createElement('div');
+    var text = document.createTextNode(this);
+    div.appendChild(text);
+    return div.innerHTML;
   },
 
   unescapeHTML: function() {
-    var div = new Element('div');
+    var div = document.createElement('div');
     div.innerHTML = this.stripTags();
-    return div.childNodes[0] ? (div.childNodes.length > 1 ?
-      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
-      div.childNodes[0].nodeValue) : '';
-  },
-
-  toQueryParams: function(separator) {
-    var match = this.strip().match(/([^?#]*)(#.*)?$/);
-    if (!match) return { };
-
-    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
-      if ((pair = pair.split('='))[0]) {
-        var 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;
+    return div.childNodes[0] ? div.childNodes[0].nodeValue : '';
+  },
+
+  toQueryParams: function() {
+    var pairs = this.match(/^\??(.*)$/)[1].split('&');
+    return pairs.inject({}, function(params, pairString) {
+      var pair = pairString.split('=');
+      params[pair[0]] = pair[1];
+      return params;
     });
   },
 
@@ -433,201 +186,67 @@
     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.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;
-  },
+    var oStringList = this.split('-');
+    if (oStringList.length == 1) return oStringList[0];
 
-  endsWith: function(pattern) {
-    var d = this.length - pattern.length;
-    return d >= 0 && this.lastIndexOf(pattern) === d;
-  },
+    var camelizedString = this.indexOf('-') == 0
+      ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1)
+      : oStringList[0];
 
-  empty: function() {
-    return this == '';
-  },
+    for (var i = 1, len = oStringList.length; i < len; i++) {
+      var s = oStringList[i];
+      camelizedString += s.charAt(0).toUpperCase() + s.substring(1);
+    }
 
-  blank: function() {
-    return /^\s*$/.test(this);
+    return camelizedString;
   },
 
-  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,'>');
+  inspect: function() {
+    return "'" + this.replace('\\', '\\\\').replace("'", '\\\'') + "'";
   }
 });
 
-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 $break    = new Object();
+var $continue = new Object();
 
 var Enumerable = {
-  each: function(iterator, context) {
+  each: function(iterator) {
     var index = 0;
-    iterator = iterator.bind(context);
     try {
       this._each(function(value) {
-        iterator(value, index++);
+        try {
+          iterator(value, index++);
+        } catch (e) {
+          if (e != $continue) throw e;
+        }
       });
     } 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;
+  all: function(iterator) {
     var result = true;
     this.each(function(value, index) {
-      result = result && !!iterator(value, index);
+      result = result && !!(iterator || Prototype.K)(value, index);
       if (!result) throw $break;
     });
     return result;
   },
 
-  any: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
-    var result = false;
+  any: function(iterator) {
+    var result = true;
     this.each(function(value, index) {
-      if (result = !!iterator(value, index))
+      if (result = !!(iterator || Prototype.K)(value, index))
         throw $break;
     });
     return result;
   },
 
-  collect: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+  collect: function(iterator) {
     var results = [];
     this.each(function(value, index) {
       results.push(iterator(value, index));
@@ -635,8 +254,7 @@
     return results;
   },
 
-  detect: function(iterator, context) {
-    iterator = iterator.bind(context);
+  detect: function (iterator) {
     var result;
     this.each(function(value, index) {
       if (iterator(value, index)) {
@@ -647,8 +265,7 @@
     return result;
   },
 
-  findAll: function(iterator, context) {
-    iterator = iterator.bind(context);
+  findAll: function(iterator) {
     var results = [];
     this.each(function(value, index) {
       if (iterator(value, index))
@@ -657,24 +274,17 @@
     return results;
   },
 
-  grep: function(filter, iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+  grep: function(pattern, iterator) {
     var results = [];
-
-    if (Object.isString(filter))
-      filter = new RegExp(filter);
-
     this.each(function(value, index) {
-      if (filter.match(value))
-        results.push(iterator(value, index));
-    });
+      var stringValue = value.toString();
+      if (stringValue.match(pattern))
+        results.push((iterator || Prototype.K)(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) {
@@ -685,16 +295,7 @@
     return found;
   },
 
-  inGroupsOf: function(number, fillWith) {
-    fillWith = fillWith === undefined ? null : fillWith;
-    return this.eachSlice(number, function(slice) {
-      while(slice.length < number) slice.push(fillWith);
-      return slice;
-    });
-  },
-
-  inject: function(memo, iterator, context) {
-    iterator = iterator.bind(context);
+  inject: function(memo, iterator) {
     this.each(function(value, index) {
       memo = iterator(memo, value, index);
     });
@@ -703,38 +304,35 @@
 
   invoke: function(method) {
     var args = $A(arguments).slice(1);
-    return this.map(function(value) {
+    return this.collect(function(value) {
       return value[method].apply(value, args);
     });
   },
 
-  max: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+  max: function(iterator) {
     var result;
     this.each(function(value, index) {
-      value = iterator(value, index);
-      if (result == undefined || value >= result)
+      value = (iterator || Prototype.K)(value, index);
+      if (value >= (result || value))
         result = value;
     });
     return result;
   },
 
-  min: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+  min: function(iterator) {
     var result;
     this.each(function(value, index) {
-      value = iterator(value, index);
-      if (result == undefined || value < result)
+      value = (iterator || Prototype.K)(value, index);
+      if (value <= (result || value))
         result = value;
     });
     return result;
   },
 
-  partition: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+  partition: function(iterator) {
     var trues = [], falses = [];
     this.each(function(value, index) {
-      (iterator(value, index) ?
+      ((iterator || Prototype.K)(value, index) ?
         trues : falses).push(value);
     });
     return [trues, falses];
@@ -742,14 +340,13 @@
 
   pluck: function(property) {
     var results = [];
-    this.each(function(value) {
+    this.each(function(value, index) {
       results.push(value[property]);
     });
     return results;
   },
 
-  reject: function(iterator, context) {
-    iterator = iterator.bind(context);
+  reject: function(iterator) {
     var results = [];
     this.each(function(value, index) {
       if (!iterator(value, index))
@@ -758,9 +355,8 @@
     return results;
   },
 
-  sortBy: function(iterator, context) {
-    iterator = iterator.bind(context);
-    return this.map(function(value, index) {
+  sortBy: function(iterator) {
+    return this.collect(function(value, index) {
       return {value: value, criteria: iterator(value, index)};
     }).sort(function(left, right) {
       var a = left.criteria, b = right.criteria;
@@ -769,67 +365,52 @@
   },
 
   toArray: function() {
-    return this.map();
+    return this.collect(Prototype.K);
   },
 
   zip: function() {
     var iterator = Prototype.K, args = $A(arguments);
-    if (Object.isFunction(args.last()))
+    if (typeof args.last() == 'function')
       iterator = args.pop();
 
     var collections = [this].concat(args).map($A);
     return this.map(function(value, index) {
-      return iterator(collections.pluck(index));
+      iterator(value = collections.pluck(index));
+      return value;
     });
   },
 
-  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
+  entries: Enumerable.toArray
 });
-function $A(iterable) {
+var $A = Array.from = function(iterable) {
   if (!iterable) return [];
-  if (iterable.toArray) return iterable.toArray();
-  var length = iterable.length, 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, results = new Array(length);
-    while (length--) results[length] = iterable[length];
+  if (iterable.toArray) {
+    return iterable.toArray();
+  } else {
+    var results = [];
+    for (var i = 0; i < iterable.length; i++)
+      results.push(iterable[i]);
     return results;
   }
 }
 
-Array.from = $A;
-
 Object.extend(Array.prototype, Enumerable);
 
-if (!Array.prototype._reverse) Array.prototype._reverse = 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++)
+    for (var i = 0; i < this.length; i++)
       iterator(this[i]);
   },
 
@@ -848,13 +429,13 @@
 
   compact: function() {
     return this.select(function(value) {
-      return value != null;
+      return value != undefined || value != null;
     });
   },
 
   flatten: function() {
     return this.inject([], function(array, value) {
-      return array.concat(Object.isArray(value) ?
+      return array.concat(value.constructor == Array ?
         value.flatten() : [value]);
     });
   },
@@ -866,252 +447,90 @@
     });
   },
 
-  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 });
-    });
+  indexOf: function(object) {
+    for (var i = 0; i < this.length; i++)
+      if (this[i] == object) return i;
+    return -1;
   },
 
-  clone: function() {
-    return [].concat(this);
+  reverse: function(inline) {
+    return (inline !== false ? this : this.toArray())._reverse();
   },
 
-  size: function() {
-    return this.length;
+  shift: function() {
+    var result = this[0];
+    for (var i = 0; i < this.length - 1; i++)
+      this[i] = this[i + 1];
+    this.length--;
+    return result;
   },
 
   inspect: function() {
     return '[' + this.map(Object.inspect).join(', ') + ']';
-  },
-
-  toJSON: function() {
-    var results = [];
-    this.each(function(object) {
-      var value = Object.toJSON(object);
-      if (value !== undefined) results.push(value);
-    });
-    return '[' + results.join(', ') + ']';
   }
 });
+var Hash = {
+  _each: function(iterator) {
+    for (key in this) {
+      var value = this[key];
+      if (typeof value == 'function') continue;
 
-// 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]);
-      }
+      var pair = [key, value];
+      pair.key = key;
+      pair.value = value;
+      iterator(pair);
     }
-    return array;
-  };
-}
-Object.extend(Number.prototype, {
-  toColorPart: function() {
-    return this.toPaddedString(2, 16);
   },
 
-  succ: function() {
-    return this + 1;
+  keys: function() {
+    return this.pluck('key');
   },
 
-  times: function(iterator) {
-    $R(0, this, true).each(iterator);
-    return this;
+  values: function() {
+    return this.pluck('value');
+  },
+
+  merge: function(hash) {
+    return $H(hash).inject($H(this), function(mergedHash, pair) {
+      mergedHash[pair.key] = pair.value;
+      return mergedHash;
+    });
   },
 
-  toPaddedString: function(length, radix) {
-    var string = this.toString(radix || 10);
-    return '0'.times(length - string.length) + string;
+  toQueryString: function() {
+    return this.map(function(pair) {
+      return pair.map(encodeURIComponent).join('=');
+    }).join('&');
   },
 
-  toJSON: function() {
-    return isFinite(this) ? this.toString() : 'null';
+  inspect: function() {
+    return '#<Hash:{' + this.map(function(pair) {
+      return pair.map(Object.inspect).join(': ');
+    }).join(', ') + '}>';
   }
-});
+}
 
-$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() {
-  if (function() {
-    var i = 0, Test = function(value) { this.key = value };
-    Test.prototype.key = 'foo';
-    for (var property in new Test('bar')) i++;
-    return i > 1;
-  }()) {
-    function each(iterator) {
-      var cache = [];
-      for (var key in this._object) {
-        var value = this._object[key];
-        if (cache.include(key)) continue;
-        cache.push(key);
-        var pair = [key, value];
-        pair.key = key;
-        pair.value = value;
-        iterator(pair);
-      }
-    }
-  } else {
-    function each(iterator) {
-      for (var key in this._object) {
-        var value = this._object[key], pair = [key, value];
-        pair.key = key;
-        pair.value = value;
-        iterator(pair);
-      }
-    }
-  }
-
-  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: each,
-
-    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;
-  },
+  var hash = Object.extend({}, object || {});
+  Object.extend(hash, Enumerable);
+  Object.extend(hash, Hash);
+  return hash;
+}
+ObjectRange = Class.create();
+Object.extend(ObjectRange.prototype, Enumerable);
+Object.extend(ObjectRange.prototype, {
+  initialize: function(start, end, exclusive) {
+    this.start = start;
+    this.end = end;
+    this.exclusive = exclusive;
+  },
 
   _each: function(iterator) {
     var value = this.start;
-    while (this.include(value)) {
+    do {
       iterator(value);
       value = value.succ();
-    }
+    } while (this.include(value));
   },
 
   include: function(value) {
@@ -1125,19 +544,19 @@
 
 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')}
+      function() {return new ActiveXObject('Microsoft.XMLHTTP')},
+      function() {return new XMLHttpRequest()}
     ) || false;
   },
 
   activeRequestCount: 0
-};
+}
 
 Ajax.Responders = {
   responders: [],
@@ -1146,21 +565,21 @@
     this.responders._each(iterator);
   },
 
-  register: function(responder) {
-    if (!this.include(responder))
-      this.responders.push(responder);
+  register: function(responderToAdd) {
+    if (!this.include(responderToAdd))
+      this.responders.push(responderToAdd);
   },
 
-  unregister: function(responder) {
-    this.responders = this.responders.without(responder);
+  unregister: function(responderToRemove) {
+    this.responders = this.responders.without(responderToRemove);
   },
 
   dispatch: function(callback, request, transport, json) {
     this.each(function(responder) {
-      if (Object.isFunction(responder[callback])) {
+      if (responder[callback] && typeof responder[callback] == 'function') {
         try {
           responder[callback].apply(responder, [request, transport, json]);
-        } catch (e) { }
+        } catch (e) {}
       }
     });
   }
@@ -1169,194 +588,159 @@
 Object.extend(Ajax.Responders, Enumerable);
 
 Ajax.Responders.register({
-  onCreate:   function() { Ajax.activeRequestCount++ },
-  onComplete: function() { Ajax.activeRequestCount-- }
+  onCreate: function() {
+    Ajax.activeRequestCount++;
+  },
+
+  onComplete: function() {
+    Ajax.activeRequestCount--;
+  }
 });
 
-Ajax.Base = Class.create({
-  initialize: function(options) {
+Ajax.Base = function() {};
+Ajax.Base.prototype = {
+  setOptions: function(options) {
     this.options = {
       method:       'post',
       asynchronous: true,
-      contentType:  'application/x-www-form-urlencoded',
-      encoding:     'UTF-8',
-      parameters:   '',
-      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();
+      parameters:   ''
+    }
+    Object.extend(this.options, options || {});
+  },
+
+  responseIsSuccess: function() {
+    return this.transport.status == undefined
+        || this.transport.status == 0
+        || (this.transport.status >= 200 && this.transport.status < 300);
+  },
+
+  responseIsFailure: function() {
+    return !this.responseIsSuccess();
   }
-});
+}
 
-Ajax.Request = Class.create(Ajax.Base, {
-  _complete: false,
+Ajax.Request = Class.create();
+Ajax.Request.Events =
+  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
 
-  initialize: function($super, url, options) {
-    $super(options);
+Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
+  initialize: function(url, options) {
     this.transport = Ajax.getTransport();
+    this.setOptions(options);
     this.request(url);
   },
 
   request: function(url) {
-    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 += '&_=';
-    }
+    var parameters = this.options.parameters || '';
+    if (parameters.length > 0) parameters += '&_=';
 
     try {
-      var response = new Ajax.Response(this);
-      if (this.options.onCreate) this.options.onCreate(response);
-      Ajax.Responders.dispatch('onCreate', this, response);
+      this.url = url;
+      if (this.options.method == 'get' && parameters.length > 0)
+        this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;
 
-      this.transport.open(this.method.toUpperCase(), this.url,
-        this.options.asynchronous);
+      Ajax.Responders.dispatch('onCreate', this, this.transport);
 
-      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
+      this.transport.open(this.options.method, this.url,
+        this.options.asynchronous);
 
+      if (this.options.asynchronous) {
+        setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
+      }
       this.transport.onreadystatechange = this.onStateChange.bind(this);
-      this.setRequestHeaders();
 
-      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
-      this.transport.send(this.body);
+      this.setRequestHeaders();
 
-      /* Force Firefox to handle ready state 4 for synchronous requests */
-      if (!this.options.asynchronous && this.transport.overrideMimeType)
-        this.onStateChange();
+      var body = this.options.postBody ? this.options.postBody : parameters;
+      this.transport.send(this.options.method == 'post' ? body : null);
 
-    }
-    catch (e) {
+    } 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, */*'
-    };
-
-    var headerNames = [ 'X-Requested-With', 'X-Prototype-Version', 'Accept' ];
-
-    if (this.method == 'post') {
-          headers['Content-Type'] = this.options.contentType +
-            (this.options.encoding ? '; charset=' + this.options.encoding : '');
-          headerNames.push('Content-Type');
-
-      /* Force "Connection: close" for older Mozilla browsers to work
-       * around a bug where XMLHttpRequest sends an incorrect
-       * Content-length header. See Mozilla Bugzilla #246651.
+    var requestHeaders =
+      ['X-Requested-With', 'XMLHttpRequest',
+       'X-Prototype-Version', Prototype.Version];
+
+    if (this.options.method == 'post') {
+      var hasContentType = 0;
+      if (this.options.requestHeaders)
+          for (var i = 0; i < this.options.requestHeaders.length; i += 2) 
+              if (this.options.requestHeaders[i] == 'Content-Type')
+                  hasContentType = 1;
+      if (hasContentType == 0)
+          requestHeaders.push('Content-Type', 'application/x-www-form-urlencoded');
+
+      /* Force "Connection: close" for Mozilla browsers to work around
+       * a bug where XMLHttpReqeuest sends an incorrect Content-length
+       * header. See Mozilla Bugzilla #246651.
        */
-      if (this.transport.overrideMimeType &&
-          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) {
-            headers['Connection'] = 'close';
-            headerNames.push('Connection');
-          }
+      if (this.transport.overrideMimeType)
+        requestHeaders.push('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];
-          headerNames.push(extras[i]);
-        }
-      else
-        $H(extras).each(function(pair) {
-            headers[pair.key] = pair.value 
-            headerNames.push(pair.key);
-        });
-    }
+    if (this.options.requestHeaders)
+      requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);
 
-    for (var i=0; i<headerNames.length; i++) {
-        this.transport.setRequestHeader(headerNames[i], headers[headerNames[i]]);
-    }
+    for (var i = 0; i < requestHeaders.length; i += 2)
+      this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
+  },
+
+  onStateChange: function() {
+    var readyState = this.transport.readyState;
+    if (readyState != 1)
+      this.respondToReadyState(this.transport.readyState);
+  },
 
+  header: function(name) {
+    try {
+      return this.transport.getResponseHeader(name);
+    } catch (e) {}
   },
 
-  success: function() {
-    var status = this.getStatus();
-    return !status || (status >= 200 && status < 300);
+  evalJSON: function() {
+    try {
+      return eval(this.header('X-JSON'));
+    } catch (e) {}
   },
 
-  getStatus: function() {
+  evalResponse: function() {
     try {
-      return this.transport.status || 0;
-    } catch (e) { return 0 }
+      return eval(this.transport.responseText);
+    } catch (e) {
+      this.dispatchException(e);
+    }
   },
 
   respondToReadyState: function(readyState) {
-    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
+    var event = Ajax.Request.Events[readyState];
+    var transport = this.transport, json = this.evalJSON();
 
-    if (state == 'Complete') {
+    if (event == 'Complete') {
       try {
-        this._complete = true;
-        (this.options['on' + response.status]
-         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
-         || Prototype.emptyFunction)(response, response.headerJSON);
+        (this.options['on' + this.transport.status]
+         || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
+         || Prototype.emptyFunction)(transport, json);
       } 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)))
+      if ((this.header('Content-type') || '').match(/^text\/javascript/i))
         this.evalResponse();
     }
 
     try {
-      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
-      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
+      (this.options['on' + event] || Prototype.emptyFunction)(transport, json);
+      Ajax.Responders.dispatch('on' + event, this, transport, json);
     } catch (e) {
       this.dispatchException(e);
     }
 
-    if (state == 'Complete') {
-      // avoid memory leak in MSIE: clean up
+    /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
+    if (event == 'Complete')
       this.transport.onreadystatechange = Prototype.emptyFunction;
-    }
-  },
-
-  getHeader: function(name) {
-    try {
-      return this.transport.getResponseHeader(name);
-    } catch (e) { return null }
-  },
-
-  evalResponse: function() {
-    try {
-      return eval((this.transport.responseText || '').unfilterJSON());
-    } catch (e) {
-      this.dispatchException(e);
-    }
   },
 
   dispatchException: function(exception) {
@@ -1365,129 +749,61 @@
   }
 });
 
-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;
+Ajax.Updater = Class.create();
 
-    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();
+Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
+  initialize: function(container, url, options) {
+    this.containers = {
+      success: container.success ? $(container.success) : $(container),
+      failure: container.failure ? $(container.failure) :
+        (container.success ? null : $(container))
     }
 
-    if(readyState == 4) {
-      var xml = transport.responseXML;
-      this.responseXML  = xml === undefined ? 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')))
-        return null;
-    try {
-      return this.transport.responseText.evalJSON(options.sanitizeJSON);
-    } catch (e) {
-      this.request.dispatchException(e);
-    }
-  }
-});
+    this.transport = Ajax.getTransport();
+    this.setOptions(options);
 
-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 = options || { };
-    var onComplete = options.onComplete;
-    options.onComplete = (function(response, param) {
-      this.updateContent(response.responseText);
-      if (Object.isFunction(onComplete)) onComplete(response, param);
+    var onComplete = this.options.onComplete || Prototype.emptyFunction;
+    this.options.onComplete = (function(transport, object) {
+      this.updateContent();
+      onComplete(transport, object);
     }).bind(this);
 
-    $super(url, options);
+    this.request(url);
   },
 
-  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);
+  updateContent: function() {
+    var receiver = this.responseIsSuccess() ?
+      this.containers.success : this.containers.failure;
+    var response = this.transport.responseText;
+
+    if (!this.options.evalScripts)
+      response = response.stripScripts();
+
+    if (receiver) {
+      if (this.options.insertion) {
+        new this.options.insertion(receiver, response);
+      } else {
+        Element.update(receiver, response);
       }
-      else receiver.update(responseText);
     }
 
-    if (this.success()) {
-      if (this.onComplete) this.onComplete.bind(this).defer();
+    if (this.responseIsSuccess()) {
+      if (this.onComplete)
+        setTimeout(this.onComplete.bind(this), 10);
     }
   }
 });
 
-Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
-  initialize: function($super, container, url, options) {
-    $super(options);
+Ajax.PeriodicalUpdater = Class.create();
+Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
+  initialize: function(container, url, options) {
+    this.setOptions(options);
     this.onComplete = this.options.onComplete;
 
     this.frequency = (this.options.frequency || 2);
     this.decay = (this.options.decay || 1);
 
-    this.updater = { };
+    this.updater = {};
     this.container = container;
     this.url = url;
 
@@ -1500,334 +816,80 @@
   },
 
   stop: function() {
-    this.updater.options.onComplete = undefined;
+    this.updater.onComplete = undefined;
     clearTimeout(this.timer);
     (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
   },
 
-  updateComplete: function(response) {
+  updateComplete: function(request) {
     if (this.options.decay) {
-      this.decay = (response.responseText == this.lastText ?
+      this.decay = (request.responseText == this.lastText ?
         this.decay * this.options.decay : 1);
 
-      this.lastText = response.responseText;
+      this.lastText = request.responseText;
     }
-    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
+    this.timer = setTimeout(this.onTimerEvent.bind(this),
+      this.decay * this.frequency * 1000);
   },
 
   onTimerEvent: function() {
     this.updater = new Ajax.Updater(this.container, this.url, this.options);
   }
 });
-function $(element) {
-  if (arguments.length > 1) {
-    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
-      elements.push($(arguments[i]));
+document.getElementsByClassName = function(className, parentElement) {
+  var children = ($(parentElement) || document.body).getElementsByTagName('*');
+  return $A(children).inject([], function(elements, child) {
+    if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
+      elements.push(child);
     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
-  });
+if (!window.Element) {
+  var Element = new Object();
 }
 
-(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 = {
+Object.extend(Element, {
   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());
+  toggle: function() {
+    for (var i = 0; i < arguments.length; i++) {
+      var element = $(arguments[i]);
+      Element[Element.visible(element) ? 'hide' : 'show'](element);
     }
-    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, t, range;
-
-    for (position in insertions) {
-      if ( position == 'extend' ) continue;
-      content  = insertions[position];
-      position = position.toLowerCase();
-      t = Element._insertionTranslations[position];
-
-      if (content && content.toElement) content = content.toElement();
-      if (Object.isElement(content)) {
-        t.insert(element, content);
-        continue;
-      }
-
-      content = Object.toHTML(content);
-
-      range = element.ownerDocument.createRange();
-      t.initializeRange(element, range);
-      t.insert(element, range.createContextualFragment(content.stripScripts()));
-
-      content.evalScripts.bind(content).defer();
+  hide: function() {
+    for (var i = 0; i < arguments.length; i++) {
+      var element = $(arguments[i]);
+      element.style.display = 'none';
     }
-
-    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 $A($(element).getElementsByTagName('*')).each(Element.extend);
-  },
-
-  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 expression ? Selector.findElement(ancestors, expression, index) :
-      ancestors[index || 0];
-  },
-
-  down: function(element, expression, index) {
-    element = $(element);
-    if (arguments.length == 1) return element.firstDescendant();
-    var descendants = element.descendants();
-    return expression ? Selector.findElement(descendants, expression, index) :
-      descendants[index || 0];
-  },
-
-  previous: function(element, expression, index) {
-    element = $(element);
-    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
-    var previousSiblings = element.previousSiblings();
-    return expression ? Selector.findElement(previousSiblings, expression, index) :
-      previousSiblings[index || 0];
-  },
-
-  next: function(element, expression, index) {
-    element = $(element);
-    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
-    var nextSiblings = element.nextSiblings();
-    return expression ? Selector.findElement(nextSiblings, expression, index) :
-      nextSiblings[index || 0];
-  },
-
-  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;
-      }
+  show: function() {
+    for (var i = 0; i < arguments.length; i++) {
+      var element = $(arguments[i]);
+      element.style.display = '';
     }
-    return element.getAttribute(name);
   },
 
-  writeAttribute: function(element, name, value) {
+  remove: function(element) {
     element = $(element);
-    var attributes = { }, t = Element._attributeTranslations.write;
-
-    if (typeof name == 'object') attributes = name;
-    else attributes[name] = value === undefined ? true : value;
-
-    for (var attr in attributes) {
-      var 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;
+    element.parentNode.removeChild(element);
   },
 
-  getHeight: function(element) {
-    return $(element).getDimensions().height;
+  update: function(element, html) {
+    $(element).innerHTML = html.stripScripts();
+    setTimeout(function() {html.evalScripts()}, 10);
   },
 
-  getWidth: function(element) {
-    return $(element).getDimensions().width;
+  getHeight: function(element) {
+    element = $(element);
+    return element.offsetHeight;
   },
 
   classNames: function(element) {
@@ -1836,121 +898,67 @@
 
   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)));
+    return Element.classNames(element).include(className);
   },
 
   addClassName: function(element, className) {
     if (!(element = $(element))) return;
-    if (!element.hasClassName(className))
-      element.className += (element.className ? ' ' : '') + className;
-    return element;
+    return Element.classNames(element).add(className);
   },
 
   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);
+    return Element.classNames(element).remove(className);
   },
 
   // removes whitespace-only text node children
   cleanWhitespace: function(element) {
     element = $(element);
-    var node = element.firstChild;
-    while (node) {
-      var nextNode = node.nextSibling;
+    for (var i = 0; i < element.childNodes.length; i++) {
+      var node = element.childNodes[i];
       if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
-        element.removeChild(node);
-      node = nextNode;
+        Element.remove(node);
     }
-    return element;
   },
 
   empty: function(element) {
-    return $(element).innerHTML.blank();
-  },
-
-  descendantOf: function(element, ancestor) {
-    element = $(element), ancestor = $(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 == ancestor) return true;
-    return false;
+    return $(element).innerHTML.match(/^\s*$/);
   },
 
   scrollTo: function(element) {
     element = $(element);
-    var pos = element.cumulativeOffset();
-    window.scrollTo(pos[0], pos[1]);
-    return element;
+    var x = element.x ? element.x : element.offsetLeft,
+        y = element.y ? element.y : element.offsetTop;
+    window.scrollTo(x, y);
   },
 
   getStyle: function(element, style) {
     element = $(element);
-    style = style == 'float' ? 'cssFloat' : style.camelize();
-    var value = element.style[style];
+    var value = element.style[style.camelize()];
     if (!value) {
-      var css = document.defaultView.getComputedStyle(element, null);
-      value = css ? css[style] : null;
+      if (document.defaultView && document.defaultView.getComputedStyle) {
+        var css = document.defaultView.getComputedStyle(element, null);
+        value = css ? css.getPropertyValue(style) : null;
+      } else if (element.currentStyle) {
+        value = element.currentStyle[style.camelize()];
+      }
     }
-    if (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') ?
-          (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') :
-            property] = styles[property];
+    if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
+      if (Element.getStyle(element, 'position') == 'static') value = 'auto';
 
-    return element;
+    return value == 'auto' ? null : value;
   },
 
-  setOpacity: function(element, value) {
+  setStyle: function(element, style) {
     element = $(element);
-    element.style.opacity = (value == 1 || value === '') ? '' :
-      (value < 0.00001) ? 0 : value;
-    return element;
+    for (name in style)
+      element.style[name.camelize()] = style[name];
   },
 
   getDimensions: function(element) {
     element = $(element);
-    var display = $(element).getStyle('display');
-    if (display != 'none' && display != null) // Safari bug
+    if (Element.getStyle(element, 'display') != 'none')
       return {width: element.offsetWidth, height: element.offsetHeight};
 
     // All *Width and *Height properties give 0 on elements with display none,
@@ -1958,13 +966,12 @@
     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';
+    els.display = '';
     var originalWidth = element.clientWidth;
     var originalHeight = element.clientHeight;
-    els.display = originalDisplay;
+    els.display = 'none';
     els.position = originalPosition;
     els.visibility = originalVisibility;
     return {width: originalWidth, height: originalHeight};
@@ -1983,7 +990,6 @@
         element.style.left = 0;
       }
     }
-    return element;
   },
 
   undoPositioned: function(element) {
@@ -1996,1646 +1002,388 @@
         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')
+    if (element._overflow) return;
+    element._overflow = element.style.overflow;
+    if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
       element.style.overflow = 'hidden';
-    return element;
   },
 
   undoClipping: function(element) {
     element = $(element);
-    if (!element._overflow) return element;
-    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
-    element._overflow = null;
-    return element;
-  },
-
-  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;
+    if (element._overflow) return;
+    element.style.overflow = element._overflow;
+    element._overflow = undefined;
   }
-};
-
-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 (!document.createRange || Prototype.Browser.Opera) {
-  Element.Methods.insert = function(element, insertions) {
-    element = $(element);
+var Toggle = new Object();
+Toggle.display = Element.toggle;
 
-    if (Object.isString(insertions) || Object.isNumber(insertions) ||
-        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
-          insertions = { bottom: insertions };
-
-    var t = Element._insertionTranslations, content, position, pos, tagName;
-
-    for (position in insertions) {
-      content  = insertions[position];
-      position = position.toLowerCase();
-      pos      = t[position];
-
-      if (content && content.toElement) content = content.toElement();
-      if (Object.isElement(content)) {
-        pos.insert(element, content);
-        continue;
-      }
-
-      content = Object.toHTML(content);
-      tagName = ((position == 'before' || position == 'after')
-        ? element.parentNode : element).tagName.toUpperCase();
-
-      if (t.tags[tagName]) {
-        var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
-        if (position == 'top' || position == 'after') fragments.reverse();
-        fragments.each(pos.insert.curry(element));
-      }
-      else element.insertAdjacentHTML(pos.adjacency, content.stripScripts());
-
-      content.evalScripts.bind(content).defer();
-    }
-
-    return element;
-  };
-}
+/*--------------------------------------------------------------------------*/
 
-if (Prototype.Browser.Opera) {
-  Element.Methods._getStyle = Element.Methods.getStyle;
-  Element.Methods.getStyle = function(element, style) {
-    switch(style) {
-      case 'left':
-      case 'top':
-      case 'right':
-      case 'bottom':
-        if (Element._getStyle(element, 'position') == 'static') return null;
-      default: return Element._getStyle(element, style);
-    }
-  };
-  Element.Methods._readAttribute = Element.Methods.readAttribute;
-  Element.Methods.readAttribute = function(element, attribute) {
-    if (attribute == 'title') return element.title;
-    return Element._readAttribute(element, attribute);
-  };
+Abstract.Insertion = function(adjacency) {
+  this.adjacency = adjacency;
 }
 
-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;
-  };
+Abstract.Insertion.prototype = {
+  initialize: function(element, content) {
+    this.element = $(element);
+    this.content = content.stripScripts();
 
-  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) {
-          var 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;
+    if (this.adjacency && this.element.insertAdjacentHTML) {
+      try {
+        this.element.insertAdjacentHTML(this.adjacency, this.content);
+      } catch (e) {
+        if (this.element.tagName.toLowerCase() == 'tbody') {
+          this.insertContent(this.contentFromAnonymousTable());
+        } else {
+          throw e;
         }
       }
+    } else {
+      this.range = this.element.ownerDocument.createRange();
+      if (this.initializeRange) this.initializeRange();
+      this.insertContent([this.range.createContextualFragment(this.content)]);
     }
-  };
-
-  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 Position.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();
+    setTimeout(function() {content.evalScripts()}, 10);
+  },
 
-    content.evalScripts.bind(content).defer();
-    return element;
-  };
+  contentFromAnonymousTable: function() {
+    var div = document.createElement('div');
+    div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
+    return $A(div.childNodes[0].childNodes[0].childNodes);
+  }
 }
 
-Element._returnOffset = function(l, t) {
-  var result = [l, t];
-  result.left = l;
-  result.top = t;
-  return result;
-};
+var Insertion = new Object();
 
-Element._getContentFromAnonymousElement = function(tagName, html) {
-  var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
-  div.innerHTML = t[0] + html + t[1];
-  t[2].times(function() { div = div.firstChild });
-  return $A(div.childNodes);
-};
+Insertion.Before = Class.create();
+Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
+  initializeRange: function() {
+    this.range.setStartBefore(this.element);
+  },
 
-Element._insertionTranslations = {
-  before: {
-    adjacency: 'beforeBegin',
-    insert: function(element, node) {
-      element.parentNode.insertBefore(node, element);
-    },
-    initializeRange: function(element, range) {
-      range.setStartBefore(element);
-    }
-  },
-  top: {
-    adjacency: 'afterBegin',
-    insert: function(element, node) {
-      element.insertBefore(node, element.firstChild);
-    },
-    initializeRange: function(element, range) {
-      range.selectNodeContents(element);
-      range.collapse(true);
-    }
-  },
-  bottom: {
-    adjacency: 'beforeEnd',
-    insert: function(element, node) {
-      element.appendChild(node);
-    }
-  },
-  after: {
-    adjacency: 'afterEnd',
-    insert: function(element, node) {
-      element.parentNode.insertBefore(node, element.nextSibling);
-    },
-    initializeRange: function(element, range) {
-      range.setStartAfter(element);
-    }
-  },
-  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]
+  insertContent: function(fragments) {
+    fragments.each((function(fragment) {
+      this.element.parentNode.insertBefore(fragment, this.element);
+    }).bind(this));
   }
-};
+});
 
-(function() {
-  this.bottom.initializeRange = this.top.initializeRange;
-  Object.extend(this.tags, {
-    THEAD: this.tags.TBODY,
-    TFOOT: this.tags.TBODY,
-    TH:    this.tags.TD
-  });
-}).call(Element._insertionTranslations);
+Insertion.Top = Class.create();
+Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
+  initializeRange: function() {
+    this.range.selectNodeContents(this.element);
+    this.range.collapse(true);
+  },
 
-Element.Methods.Simulated = {
-  hasAttribute: function(element, attribute) {
-    attribute = Element._attributeTranslations.has[attribute] || attribute;
-    var node = $(element).getAttributeNode(attribute);
-    return node && node.specified;
+  insertContent: function(fragments) {
+    fragments.reverse(false).each((function(fragment) {
+      this.element.insertBefore(fragment, this.element.firstChild);
+    }).bind(this));
   }
-};
-
-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;
+Insertion.Bottom = Class.create();
+Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
+  initializeRange: function() {
+    this.range.selectNodeContents(this.element);
+    this.range.collapse(this.element);
+  },
 
-  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)
-    });
+  insertContent: function(fragments) {
+    fragments.each((function(fragment) {
+      this.element.appendChild(fragment);
+    }).bind(this));
   }
+});
 
-  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];
-      // don't copy update, temporarily 
-      if (!Object.isFunction(value) || property == 'update') 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);
-    }
-  }
+Insertion.After = Class.create();
+Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
+  initializeRange: function() {
+    this.range.setStartAfter(this.element);
+  },
 
-  Object.extend(Element, Element.Methods);
-  delete Element.ByTag;
+  insertContent: function(fragments) {
+    fragments.each((function(fragment) {
+      this.element.parentNode.insertBefore(fragment,
+        this.element.nextSibling);
+    }).bind(this));
+  }
+});
 
-  if (Element.extend.refresh) Element.extend.refresh();
-  Element.cache = { };
-};
+/*--------------------------------------------------------------------------*/
 
-document.viewport = {
-  getDimensions: function() {
-    var dimensions = { };
-    $w('width height').each(function(d) {
-      var D = d.capitalize();
-      dimensions[d] = self['inner' + D] ||
-       (document.documentElement['client' + D] || document.body['client' + D]);
-    });
-    return dimensions;
+Element.ClassNames = Class.create();
+Element.ClassNames.prototype = {
+  initialize: function(element) {
+    this.element = $(element);
   },
 
-  getWidth: function() {
-    return this.getDimensions().width;
+  _each: function(iterator) {
+    this.element.className.split(/\s+/).select(function(name) {
+      return name.length > 0;
+    })._each(iterator);
   },
 
-  getHeight: function() {
-    return this.getDimensions().height;
+  set: function(className) {
+    this.element.className = className;
   },
 
-  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();
-  },
-
-  compileMatcher: function() {
-    // Selectors with namespaced attributes can't use the XPath version
-    if (Prototype.BrowserFeatures.XPath && !(/(\[[\w-]*?:|:checked)/).test(this.expression))
-      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;
+  add: function(classNameToAdd) {
+    if (this.include(classNameToAdd)) return;
+    this.set(this.toArray().concat(classNameToAdd).join(' '));
   },
 
-  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;
+  remove: function(classNameToRemove) {
+    if (!this.include(classNameToRemove)) return;
+    this.set(this.select(function(className) {
+      return className != classNameToRemove;
+    }).join(' '));
   },
 
   toString: function() {
-    return this.expression;
-  },
-
-  inspect: function() {
-    return "#<Selector:" + this.expression.inspect() + ">";
+    return this.toArray().join(' ');
   }
-});
-
-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: "[@#{1}]",
-    attr: function(m) {
-      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, m, 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, children = [], 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) {
-      tagName = 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() == tagName) 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);
-    }
+Object.extend(Element.ClassNames.prototype, Enumerable);
+var Field = {
+  clear: function() {
+    for (var i = 0; i < arguments.length; i++)
+      $(arguments[i]).value = '';
   },
 
-  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;
-    }
+  focus: function(element) {
+    $(element).focus();
   },
 
-  operators: {
-    '=':  function(nv, v) { return nv == v; },
-    '!=': function(nv, v) { return nv != v; },
-    '^=': function(nv, v) { return nv.startsWith(v); },
-    '$=': function(nv, v) { return nv.endsWith(v); },
-    '*=': function(nv, v) { return nv.include(v); },
-    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
-    '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
-  },
-
-  matchElements: function(elements, expression) {
-    var matches = new Selector(expression).findElements(), h = Selector.handlers;
-    h.mark(matches);
-    for (var i = 0, results = [], element; element = elements[i]; i++)
-      if (element._counted) results.push(element);
-    h.unmark(matches);
-    return results;
+  present: function() {
+    for (var i = 0; i < arguments.length; i++)
+      if ($(arguments[i]).value == '') return false;
+    return true;
   },
 
-  findElement: function(elements, expression, index) {
-    if (Object.isNumber(expression)) {
-      index = expression; expression = false;
-    }
-    return Selector.matchElements(elements, expression || '*')[index || 0];
+  select: function(element) {
+    $(element).select();
   },
 
-  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;
+  activate: function(element) {
+    element = $(element);
+    element.focus();
+    if (element.select)
+      element.select();
   }
-});
-
-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 (options.hash === undefined) 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);
-  }
-};
+var Form = {
+  serialize: function(form) {
+    var elements = Form.getElements($(form));
+    var queryComponents = new Array();
 
-Form.Methods = {
-  serialize: function(form, options) {
-    return Form.serializeElements(Form.getElements(form), options);
+    for (var i = 0; i < elements.length; i++) {
+      var queryComponent = Form.Element.serialize(elements[i]);
+      if (queryComponent)
+        queryComponents.push(queryComponent);
+    }
+
+    return queryComponents.join('&');
   },
 
   getElements: function(form) {
-    return $A($(form).getElementsByTagName('*')).inject([],
-      function(elements, child) {
-        if (Form.Element.Serializers[child.tagName.toLowerCase()])
-          elements.push(Element.extend(child));
-        return elements;
-      }
-    );
+    form = $(form);
+    var elements = new Array();
+
+    for (tagName in Form.Element.Serializers) {
+      var tagElements = form.getElementsByTagName(tagName);
+      for (var j = 0; j < tagElements.length; j++)
+        elements.push(tagElements[j]);
+    }
+    return elements;
   },
 
   getInputs: function(form, typeName, name) {
     form = $(form);
     var inputs = form.getElementsByTagName('input');
 
-    if (!typeName && !name) return $A(inputs).map(Element.extend);
+    if (!typeName && !name)
+      return inputs;
 
-    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
+    var matchingInputs = new Array();
+    for (var i = 0; i < inputs.length; i++) {
       var input = inputs[i];
-      if ((typeName && input.type != typeName) || (name && input.name != name))
+      if ((typeName && input.type != typeName) ||
+          (name && input.name != name))
         continue;
-      matchingInputs.push(Element.extend(input));
+      matchingInputs.push(input);
     }
 
     return matchingInputs;
   },
 
   disable: function(form) {
-    form = $(form);
-    Form.getElements(form).invoke('disable');
-    return form;
+    var elements = Form.getElements(form);
+    for (var i = 0; i < elements.length; i++) {
+      var element = elements[i];
+      element.blur();
+      element.disabled = 'true';
+    }
   },
 
   enable: function(form) {
-    form = $(form);
-    Form.getElements(form).invoke('enable');
-    return form;
+    var elements = Form.getElements(form);
+    for (var i = 0; i < elements.length; i++) {
+      var element = elements[i];
+      element.disabled = '';
+    }
   },
 
   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());
+    return Form.getElements(form).find(function(element) {
+      return element.type != 'hidden' && !element.disabled &&
+        ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
     });
   },
 
   focusFirstElement: function(form) {
-    form = $(form);
-    form.findFirstElement().activate();
-    return form;
+    Field.activate(Form.findFirstElement(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);
+  reset: function(form) {
+    $(form).reset();
   }
-};
-
-/*--------------------------------------------------------------------------*/
+}
 
 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;
-  },
+    var parameter = Form.Element.Serializers[method](element);
 
-  clear: function(element) {
-    $(element).value = '';
-    return element;
-  },
+    if (parameter) {
+      var key = encodeURIComponent(parameter[0]);
+      if (key.length == 0) return;
 
-  present: function(element) {
-    return $(element).value != '';
-  },
+      if (parameter[1].constructor != Array)
+        parameter[1] = [parameter[1]];
 
-  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;
+      return parameter[1].map(function(value) {
+        return key + '=' + encodeURIComponent(value);
+      }).join('&');
+    }
   },
 
-  disable: function(element) {
+  getValue: function(element) {
     element = $(element);
-    element.blur();
-    element.disabled = true;
-    return element;
-  },
+    var method = element.tagName.toLowerCase();
+    var parameter = Form.Element.Serializers[method](element);
 
-  enable: function(element) {
-    element = $(element);
-    element.disabled = false;
-    return element;
+    if (parameter)
+      return parameter[1];
   }
-};
-
-/*--------------------------------------------------------------------------*/
-
-var Field = Form.Element;
-var $F = Form.Element.Methods.getValue;
-
-/*--------------------------------------------------------------------------*/
+}
 
 Form.Element.Serializers = {
-  input: function(element, value) {
+  input: function(element) {
     switch (element.type.toLowerCase()) {
+      case 'submit':
+      case 'hidden':
+      case 'password':
+      case 'text':
+        return Form.Element.Serializers.textarea(element);
       case 'checkbox':
       case 'radio':
-        return Form.Element.Serializers.inputSelector(element, value);
-      default:
-        return Form.Element.Serializers.textarea(element, value);
+        return Form.Element.Serializers.inputSelector(element);
     }
+    return false;
+  },
+
+  inputSelector: function(element) {
+    if (element.checked)
+      return [element.name, element.value];
   },
 
-  inputSelector: function(element, value) {
-    if (value === undefined) return element.checked ? element.value : null;
-    else element.checked = !!value;
-  },
-
-  textarea: function(element, value) {
-    if (value === undefined) return element.value;
-    else element.value = value;
-  },
-
-  select: function(element, index) {
-    if (index === undefined)
-      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);
-      }
-    }
+  textarea: function(element) {
+    return [element.name, element.value];
+  },
+
+  select: function(element) {
+    return Form.Element.Serializers[element.type == 'select-one' ?
+      'selectOne' : 'selectMany'](element);
   },
 
   selectOne: function(element) {
-    var index = element.selectedIndex;
-    return index >= 0 ? this.optionValue(element.options[index]) : null;
+    var value = '', opt, index = element.selectedIndex;
+    if (index >= 0) {
+      opt = element.options[index];
+      value = opt.value;
+      if (!value && !('value' in opt))
+        value = opt.text;
+    }
+    return [element.name, value];
   },
 
   selectMany: function(element) {
-    var values, length = element.length;
-    if (!length) return null;
-
-    for (var i = 0, values = []; i < length; i++) {
+    var value = new Array();
+    for (var i = 0; i < element.length; i++) {
       var opt = element.options[i];
-      if (opt.selected) values.push(this.optionValue(opt));
+      if (opt.selected) {
+        var optValue = opt.value;
+        if (!optValue && !('value' in opt))
+          optValue = opt.text;
+        value.push(optValue);
+      }
     }
-    return values;
-  },
-
-  optionValue: function(opt) {
-    // extend element because hasAttribute may not be native
-    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
+    return [element.name, value];
   }
-};
+}
+
+/*--------------------------------------------------------------------------*/
+
+var $F = Form.Element.getValue;
 
 /*--------------------------------------------------------------------------*/
 
-Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
-  initialize: function($super, element, frequency, callback) {
-    $super(callback, frequency);
+Abstract.TimedObserver = function() {}
+Abstract.TimedObserver.prototype = {
+  initialize: function(element, frequency, callback) {
+    this.frequency = frequency;
     this.element   = $(element);
+    this.callback  = callback;
+
     this.lastValue = this.getValue();
+    this.registerCallback();
   },
 
-  execute: function() {
+  registerCallback: function() {
+    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
+  },
+
+  onTimerEvent: function() {
     var value = this.getValue();
-    if (Object.isString(this.lastValue) && Object.isString(value) ?
-        this.lastValue != value : String(this.lastValue) != String(value)) {
+    if (this.lastValue != value) {
       this.callback(this.element, value);
       this.lastValue = value;
     }
   }
-});
+}
 
-Form.Element.Observer = Class.create(Abstract.TimedObserver, {
+Form.Element.Observer = Class.create();
+Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
   getValue: function() {
     return Form.Element.getValue(this.element);
   }
 });
 
-Form.Observer = Class.create(Abstract.TimedObserver, {
+Form.Observer = Class.create();
+Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
   getValue: function() {
     return Form.serialize(this.element);
   }
@@ -3643,7 +1391,8 @@
 
 /*--------------------------------------------------------------------------*/
 
-Abstract.EventObserver = Class.create({
+Abstract.EventObserver = function() {}
+Abstract.EventObserver.prototype = {
   initialize: function(element, callback) {
     this.element  = $(element);
     this.callback = callback;
@@ -3664,7 +1413,9 @@
   },
 
   registerFormCallbacks: function() {
-    Form.getElements(this.element).each(this.registerCallback, this);
+    var elements = Form.getElements(this.element);
+    for (var i = 0; i < elements.length; i++)
+      this.registerCallback(elements[i]);
   },
 
   registerCallback: function(element) {
@@ -3674,26 +1425,34 @@
         case 'radio':
           Event.observe(element, 'click', this.onElementEvent.bind(this));
           break;
-        default:
+        case 'password':
+        case 'text':
+        case 'textarea':
+        case 'select-one':
+        case 'select-multiple':
           Event.observe(element, 'change', this.onElementEvent.bind(this));
           break;
       }
     }
   }
-});
+}
 
-Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
+Form.Element.EventObserver = Class.create();
+Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
   getValue: function() {
     return Form.Element.getValue(this.element);
   }
 });
 
-Form.EventObserver = Class.create(Abstract.EventObserver, {
+Form.EventObserver = Class.create();
+Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
   getValue: function() {
     return Form.serialize(this.element);
   }
 });
-if (!window.Event) var Event = { };
+if (!window.Event) {
+  var Event = new Object();
+}
 
 Object.extend(Event, {
   KEY_BACKSPACE: 8,
@@ -3705,339 +1464,99 @@
   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;
+  element: function(event) {
+    return event.target || event.srcElement;
+  },
 
-  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;
-      }
-    };
+  isLeftClick: function(event) {
+    return (((event.which) && (event.which == 1)) ||
+            ((event.button) && (event.button == 1)));
+  },
 
-  } 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);
-      return element.match(expression) ? element : element.up(expression);
-    },
-
-    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.pageX || (event.clientX +
+      (document.documentElement.scrollLeft || document.body.scrollLeft));
+  },
 
-    pointerX: function(event) { return Event.pointer(event).x },
-    pointerY: function(event) { return Event.pointer(event).y },
+  pointerY: function(event) {
+    return event.pageY || (event.clientY +
+      (document.documentElement.scrollTop || document.body.scrollTop));
+  },
 
-    stop: function(event) {
-      Event.extend(event);
+  stop: function(event) {
+    if (event.preventDefault) {
       event.preventDefault();
       event.stopPropagation();
-      event.stopped = true;
+    } else {
+      event.returnValue = false;
+      event.cancelBubble = 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;
-
-      if (document.createEvent) {
-        var event = document.createEvent("HTMLEvents");
-        event.initEvent("dataavailable", true, true);
-      } else {
-        var event = document.createEventObject();
-        event.eventType = "ondataavailable";
-      }
+  },
 
-      event.eventName = eventName;
-      event.memo = memo || { };
+  // find the first node with the given tagName, starting from the
+  // node the event was triggered on; traverses the DOM upwards
+  findElement: function(event, tagName) {
+    var element = Event.element(event);
+    while (element.parentNode && (!element.tagName ||
+        (element.tagName.toUpperCase() != tagName.toUpperCase())))
+      element = element.parentNode;
+    return element;
+  },
 
-      if (document.createEvent) {
-        element.dispatchEvent(event);
-      } else {
-        element.fireEvent(event.eventType, event);
-      }
+  observers: false,
 
-      return event;
+  _observeAndCache: function(element, name, observer, useCapture) {
+    if (!this.observers) this.observers = [];
+    if (element.addEventListener) {
+      this.observers.push([element, name, observer, useCapture]);
+      element.addEventListener(name, observer, useCapture);
+    } else if (element.attachEvent) {
+      this.observers.push([element, name, observer, useCapture]);
+      element.attachEvent('on' + name, observer);
     }
-  };
-})());
-
-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()
-});
-
-(function() {
-  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
-     Matthias Miller, Dean Edwards and John Resig. */
-
-  var timer, fired = false;
-
-  function fireContentLoadedEvent() {
-    if (fired) return;
-    if (timer) window.clearInterval(timer);
-    document.fire("dom:loaded");
-    fired = 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);
+  unloadCache: function() {
+    if (!Event.observers) return;
+    for (var i = 0; i < Event.observers.length; i++) {
+      Event.stopObserving.apply(this, Event.observers[i]);
+      Event.observers[i][0] = null;
     }
+    Event.observers = 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 };
+  observe: function(element, name, observer, useCapture) {
+    var element = $(element);
+    useCapture = useCapture || false;
 
-Element.Methods.childOf = Element.Methods.descendantOf;
+    if (name == 'keypress' &&
+        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
+        || element.attachEvent))
+      name = 'keydown';
 
-var Insertion = {
-  Before: function(element, content) {
-    return Element.insert(element, {before:content});
+    this._observeAndCache(element, name, observer, useCapture);
   },
 
-  Top: function(element, content) {
-    return Element.insert(element, {top:content});
-  },
+  stopObserving: function(element, name, observer, useCapture) {
+    var element = $(element);
+    useCapture = useCapture || false;
 
-  Bottom: function(element, content) {
-    return Element.insert(element, {bottom:content});
-  },
+    if (name == 'keypress' &&
+        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
+        || element.detachEvent))
+      name = 'keydown';
 
-  After: function(element, content) {
-    return Element.insert(element, {after:content});
+    if (element.removeEventListener) {
+      element.removeEventListener(name, observer, useCapture);
+    } else if (element.detachEvent) {
+      element.detachEvent('on' + name, observer);
+    }
   }
-};
-
-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.
+/* prevent memory leaks in IE */
+Event.observe(window, 'unload', Event.unloadCache, false);
 var Position = {
   // set to true if needed, warning: firefox performance problems
   // NOT neeeded for page scrolling, only if draggable contained in
@@ -4057,13 +1576,58 @@
                 || 0;
   },
 
+  realOffset: function(element) {
+    var valueT = 0, valueL = 0;
+    do {
+      valueT += element.scrollTop  || 0;
+      valueL += element.scrollLeft || 0;
+      element = element.parentNode;
+    } while (element);
+    return [valueL, valueT];
+  },
+
+  cumulativeOffset: function(element) {
+    var valueT = 0, valueL = 0;
+    do {
+      valueT += element.offsetTop  || 0;
+      valueL += element.offsetLeft || 0;
+      element = element.offsetParent;
+    } while (element);
+    return [valueL, valueT];
+  },
+
+  positionedOffset: function(element) {
+    var valueT = 0, valueL = 0;
+    do {
+      valueT += element.offsetTop  || 0;
+      valueL += element.offsetLeft || 0;
+      element = element.offsetParent;
+      if (element) {
+        p = Element.getStyle(element, 'position');
+        if (p == 'relative' || p == 'absolute') break;
+      }
+    } while (element);
+    return [valueL, valueT];
+  },
+
+  offsetParent: function(element) {
+    if (element.offsetParent) return element.offsetParent;
+    if (element == document.body) return element;
+
+    while ((element = element.parentNode) && element != document.body)
+      if (Element.getStyle(element, 'position') != 'static')
+        return element;
+
+    return document.body;
+  },
+
   // caches x/y coordinate pair to use with overlap
   within: function(element, x, y) {
     if (this.includeScrollOffsets)
       return this.withinIncludingScrolloffsets(element, x, y);
     this.xcomp = x;
     this.ycomp = y;
-    this.offset = Element.cumulativeOffset(element);
+    this.offset = this.cumulativeOffset(element);
 
     return (y >= this.offset[1] &&
             y <  this.offset[1] + element.offsetHeight &&
@@ -4072,11 +1636,11 @@
   },
 
   withinIncludingScrolloffsets: function(element, x, y) {
-    var offsetcache = Element.cumulativeScrollOffset(element);
+    var offsetcache = this.realOffset(element);
 
     this.xcomp = x + offsetcache[0] - this.deltaX;
     this.ycomp = y + offsetcache[1] - this.deltaY;
-    this.offset = Element.cumulativeOffset(element);
+    this.offset = this.cumulativeOffset(element);
 
     return (this.ycomp >= this.offset[1] &&
             this.ycomp <  this.offset[1] + element.offsetHeight &&
@@ -4095,104 +1659,132 @@
         element.offsetWidth;
   },
 
-  // Deprecation layer -- use newer Element methods now (1.5.2).
+  clone: function(source, target) {
+    source = $(source);
+    target = $(target);
+    target.style.position = 'absolute';
+    var offsets = this.cumulativeOffset(source);
+    target.style.top    = offsets[1] + 'px';
+    target.style.left   = offsets[0] + 'px';
+    target.style.width  = source.offsetWidth + 'px';
+    target.style.height = source.offsetHeight + 'px';
+  },
 
-  cumulativeOffset: Element.Methods.cumulativeOffset,
+  page: function(forElement) {
+    var valueT = 0, valueL = 0;
 
-  positionedOffset: Element.Methods.positionedOffset,
+    var element = forElement;
+    do {
+      valueT += element.offsetTop  || 0;
+      valueL += element.offsetLeft || 0;
 
-  absolutize: function(element) {
-    Position.prepare();
-    return Element.absolutize(element);
-  },
+      // Safari fix
+      if (element.offsetParent==document.body)
+        if (Element.getStyle(element,'position')=='absolute') break;
 
-  relativize: function(element) {
-    Position.prepare();
-    return Element.relativize(element);
-  },
+    } while (element = element.offsetParent);
 
-  realOffset: Element.Methods.cumulativeScrollOffset,
+    element = forElement;
+    do {
+      valueT -= element.scrollTop  || 0;
+      valueL -= element.scrollLeft || 0;
+    } while (element = element.parentNode);
 
-  offsetParent: Element.Methods.getOffsetParent,
+    return [valueL, valueT];
+  },
 
-  page: Element.Methods.viewportOffset,
+  clone: function(source, target) {
+    var options = Object.extend({
+      setLeft:    true,
+      setTop:     true,
+      setWidth:   true,
+      setHeight:  true,
+      offsetTop:  0,
+      offsetLeft: 0
+    }, arguments[2] || {})
 
-  clone: function(source, target, options) {
-    options = options || { };
-    return Element.clonePosition(target, source, options);
-  }
-};
+    // find page position of source
+    source = $(source);
+    var p = Position.page(source);
 
-/*--------------------------------------------------------------------------*/
+    // find coordinate system to use
+    target = $(target);
+    var delta = [0, 0];
+    var parent = null;
+    // delta [0,0] will do fine with position: fixed elements,
+    // position:absolute needs offsetParent deltas
+    if (Element.getStyle(target,'position') == 'absolute') {
+      parent = Position.offsetParent(target);
+      delta = Position.page(parent);
+    }
 
-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));
+    // correct by body offsets (fixes Safari)
+    if (parent == document.body) {
+      delta[0] -= document.body.offsetLeft;
+      delta[1] -= document.body.offsetTop;
     }
-    return elements;
-  };
 
-  return function(className, parentElement) {
-    return $(parentElement || document.body).getElementsByClassName(className);
-  };
-}(Element.Methods);
+    // set position
+    if(options.setLeft)   target.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
+    if(options.setTop)    target.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
+    if(options.setWidth)  target.style.width = source.offsetWidth + 'px';
+    if(options.setHeight) target.style.height = source.offsetHeight + 'px';
+  },
 
-/*--------------------------------------------------------------------------*/
+  absolutize: function(element) {
+    element = $(element);
+    if (element.style.position == 'absolute') return;
+    Position.prepare();
 
-Element.ClassNames = Class.create();
-Element.ClassNames.prototype = {
-  initialize: function(element) {
-    this.element = $(element);
-  },
+    var offsets = Position.positionedOffset(element);
+    var top     = offsets[1];
+    var left    = offsets[0];
+    var width   = element.clientWidth;
+    var height  = element.clientHeight;
 
-  _each: function(iterator) {
-    this.element.className.split(/\s+/).select(function(name) {
-      return name.length > 0;
-    })._each(iterator);
-  },
+    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;
 
-  set: function(className) {
-    this.element.className = className;
+    element.style.position = 'absolute';
+    element.style.top    = top + 'px';;
+    element.style.left   = left + 'px';;
+    element.style.width  = width + 'px';;
+    element.style.height = height + 'px';;
   },
 
-  add: function(classNameToAdd) {
-    if (this.include(classNameToAdd)) return;
-    this.set($A(this).concat(classNameToAdd).join(' '));
-  },
+  relativize: function(element) {
+    element = $(element);
+    if (element.style.position == 'relative') return;
+    Position.prepare();
 
-  remove: function(classNameToRemove) {
-    if (!this.include(classNameToRemove)) return;
-    this.set($A(this).without(classNameToRemove).join(' '));
-  },
+    element.style.position = 'relative';
+    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
+    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
 
-  toString: function() {
-    return $A(this).join(' ');
+    element.style.top    = top + 'px';
+    element.style.left   = left + 'px';
+    element.style.height = element._originalHeight;
+    element.style.width  = element._originalWidth;
   }
-};
+}
 
-Object.extend(Element.ClassNames.prototype, Enumerable);
+// Safari returns margins on body which is incorrect if the child is absolutely
+// positioned.  For performance reasons, redefine Position.cumulativeOffset for
+// KHTML/WebKit only.
+if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
+  Position.cumulativeOffset = function(element) {
+    var valueT = 0, valueL = 0;
+    do {
+      valueT += element.offsetTop  || 0;
+      valueL += element.offsetLeft || 0;
+      if (element.offsetParent == document.body)
+        if (Element.getStyle(element, 'position') == 'absolute') break;
 
-/*--------------------------------------------------------------------------*/
+      element = element.offsetParent;
+    } while (element);
 
-Element.addMethods();
+    return [valueL, valueT];
+  }
+}

Modified: jifty/trunk/share/web/static/js/scriptaculous/effects.js
==============================================================================
--- jifty/trunk/share/web/static/js/scriptaculous/effects.js	(original)
+++ jifty/trunk/share/web/static/js/scriptaculous/effects.js	Fri Nov 16 18:39:04 2007
@@ -231,10 +231,10 @@
   get: function(queueName) {
     if(typeof queueName != 'string') return queueName;
     
-    if(!this.instances.get(queueName))
-      this.instances.set(queueName, new Effect.ScopedQueue());
+    if(!this.instances[queueName])
+      this.instances[queueName] = new Effect.ScopedQueue();
       
-    return this.instances.get(queueName);
+    return this.instances[queueName];
   }
 }
 Effect.Queue = Effect.Queues.get('global');

Modified: jifty/trunk/t/TestApp-Plugin-OnClick/share/web/templates/content.html
==============================================================================
--- jifty/trunk/t/TestApp-Plugin-OnClick/share/web/templates/content.html	(original)
+++ jifty/trunk/t/TestApp-Plugin-OnClick/share/web/templates/content.html	Fri Nov 16 18:39:04 2007
@@ -1 +1 @@
-original content
+content

Modified: jifty/trunk/t/TestApp-Plugin-OnClick/share/web/templates/onclick.html
==============================================================================
--- jifty/trunk/t/TestApp-Plugin-OnClick/share/web/templates/onclick.html	(original)
+++ jifty/trunk/t/TestApp-Plugin-OnClick/share/web/templates/onclick.html	Fri Nov 16 18:39:04 2007
@@ -3,7 +3,7 @@
 args:<% Jifty->web->request->arguments->{'J:V-region-content'} || ''%>
 
 <% Jifty->web->link(
-               label   => 'replace content',
+               label   => 'content',
                id => 'replace_content',
                onclick => {
                    replace_with => '/content1.html',
@@ -17,10 +17,4 @@
 ) %>
 
 
-<a id="original_content" 
-href="/onclick.html?J:V-region-content=%2Fcontent.html"
-onclick="return update(
-{'continuation':{},'actions':{},'fragments':[{'mode':'Replace','args':{},'region':'content','path':'/content.html'}],'action_arguments':{}},
-this );">revert content</a>
-
 </&>

Modified: jifty/trunk/t/TestApp-Plugin-OnClick/t/onclick.t
==============================================================================
--- jifty/trunk/t/TestApp-Plugin-OnClick/t/onclick.t	(original)
+++ jifty/trunk/t/TestApp-Plugin-OnClick/t/onclick.t	Fri Nov 16 18:39:04 2007
@@ -2,33 +2,21 @@
 use warnings;
 use lib 't/lib';
 use Jifty::SubTest;
-use Jifty::Test tests => 10;
+use Jifty::Test tests => 6;
 use Jifty::Test::WWW::Selenium;
 use utf8;
 
-my $server = Jifty::Test->make_server;
-my $sel    = Jifty::Test::WWW::Selenium->rc_ok($server);
-my $URL    = $server->started_ok;
+my $server  = Jifty::Test->make_server;
+my $sel = Jifty::Test::WWW::Selenium->rc_ok( $server );
+my $URL = $server->started_ok;
 
 $sel->open_ok("/onclick.html");
 $sel->click_ok("//a[\@id='replace_content']");
 
-sleep 2; # in case the click returning slowly
-
 my $html = $sel->get_html_source;
 
-
 like( $html, qr/yatta/, 'replace content correctly' );
 unlike( $html, qr{args:/content1\.html}, 'replaced by javascript' );
 
-$sel->click_ok("//a[\@id='original_content']");
-is( $sel->get_alert,
-    'please use Jifty.update instead of update.',
-    'bare update is deprecated'
-);
-$html = $sel->get_html_source;
-like( $html, qr/original content/, 'replace content correctly' );
-unlike( $html, qr{args:/content\.html}, 'replaced by javascript' );
-
 $sel->stop;
 


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