commit d86eb8c1b8f6de3ee06ecf232f233b4f3e9d3af1
Author: Marc Dequènes (Duck) <Duck@DuckCorp.org>
Date:   Mon Mar 16 00:06:15 2009 +0100

    [evol] partial upgrade to rails 2.2.2 (config+js) (full upgrade cancelled due to incompatibility with current gettext)

diff --git a/config/boot.rb b/config/boot.rb
index cd21fb9..0a51688 100644
--- a/config/boot.rb
+++ b/config/boot.rb
@@ -67,7 +67,7 @@ module Rails
 
     class << self
       def rubygems_version
-        Gem::RubyGemsVersion if defined? Gem::RubyGemsVersion
+        Gem::RubyGemsVersion rescue nil
       end
 
       def gem_version
@@ -82,14 +82,14 @@ module Rails
 
       def load_rubygems
         require 'rubygems'
-
-        unless rubygems_version >= '0.9.4'
-          $stderr.puts %(Rails requires RubyGems >= 0.9.4 (you have #{rubygems_version}). Please `gem update --system` and try again.)
+        min_version = '1.3.1'
+        unless rubygems_version >= min_version
+          $stderr.puts %Q(Rails requires RubyGems >= #{min_version} (you have #{rubygems_version}). Please `gem update --system` and try again.)
           exit 1
         end
 
       rescue LoadError
-        $stderr.puts %(Rails requires RubyGems >= 0.9.4. Please install RubyGems and try again: http://rubygems.rubyforge.org)
+        $stderr.puts %Q(Rails requires RubyGems >= #{min_version}. Please install RubyGems and try again: http://rubygems.rubyforge.org)
         exit 1
       end
 
diff --git a/public/javascripts/controls.js b/public/javascripts/controls.js
index 5aaf0bb..ca29aef 100644
--- a/public/javascripts/controls.js
+++ b/public/javascripts/controls.js
@@ -1,22 +1,22 @@
 // Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
-//           (c) 2005-2007 Ivan Krstic (http://blogs.law.harvard.edu/ivan)
-//           (c) 2005-2007 Jon Tirsen (http://www.tirsen.com)
+//           (c) 2005-2008 Ivan Krstic (http://blogs.law.harvard.edu/ivan)
+//           (c) 2005-2008 Jon Tirsen (http://www.tirsen.com)
 // Contributors:
 //  Richard Livsey
 //  Rahul Bhargava
 //  Rob Wills
-// 
+//
 // script.aculo.us is freely distributable under the terms of an MIT-style license.
 // For details, see the script.aculo.us web site: http://script.aculo.us/
 
-// Autocompleter.Base handles all the autocompletion functionality 
+// Autocompleter.Base handles all the autocompletion functionality
 // that's independent of the data source for autocompletion. This
 // includes drawing the autocompletion menu, observing keyboard
 // and mouse events, and similar.
 //
-// Specific autocompleters need to provide, at the very least, 
+// Specific autocompleters need to provide, at the very least,
 // a getUpdatedChoices function that will be invoked every time
-// the text inside the monitored textbox changes. This method 
+// the text inside the monitored textbox changes. This method
 // should get the text for which to provide autocompletion by
 // invoking this.getToken(), NOT by directly accessing
 // this.element.value. This is to allow incremental tokenized
@@ -30,23 +30,23 @@
 // will incrementally autocomplete with a comma as the token.
 // Additionally, ',' in the above example can be replaced with
 // a token array, e.g. { tokens: [',', '\n'] } which
-// enables autocompletion on multiple tokens. This is most 
-// useful when one of the tokens is \n (a newline), as it 
+// enables autocompletion on multiple tokens. This is most
+// useful when one of the tokens is \n (a newline), as it
 // allows smart autocompletion after linebreaks.
 
 if(typeof Effect == 'undefined')
   throw("controls.js requires including script.aculo.us' effects.js library");
 
-var Autocompleter = { }
+var Autocompleter = { };
 Autocompleter.Base = Class.create({
   baseInitialize: function(element, update, options) {
-    element          = $(element)
-    this.element     = element; 
-    this.update      = $(update);  
-    this.hasFocus    = false; 
-    this.changed     = false; 
-    this.active      = false; 
-    this.index       = 0;     
+    element          = $(element);
+    this.element     = element;
+    this.update      = $(update);
+    this.hasFocus    = false;
+    this.changed     = false;
+    this.active      = false;
+    this.index       = 0;
     this.entryCount  = 0;
     this.oldElementValue = this.element.value;
 
@@ -59,28 +59,28 @@ Autocompleter.Base = Class.create({
     this.options.tokens       = this.options.tokens || [];
     this.options.frequency    = this.options.frequency || 0.4;
     this.options.minChars     = this.options.minChars || 1;
-    this.options.onShow       = this.options.onShow || 
-      function(element, update){ 
+    this.options.onShow       = this.options.onShow ||
+      function(element, update){
         if(!update.style.position || update.style.position=='absolute') {
           update.style.position = 'absolute';
           Position.clone(element, update, {
-            setHeight: false, 
+            setHeight: false,
             offsetTop: element.offsetHeight
           });
         }
         Effect.Appear(update,{duration:0.15});
       };
-    this.options.onHide = this.options.onHide || 
+    this.options.onHide = this.options.onHide ||
       function(element, update){ new Effect.Fade(update,{duration:0.15}) };
 
-    if(typeof(this.options.tokens) == 'string') 
+    if(typeof(this.options.tokens) == 'string')
       this.options.tokens = new Array(this.options.tokens);
     // Force carriage returns as token delimiters anyway
     if (!this.options.tokens.include('\n'))
       this.options.tokens.push('\n');
 
     this.observer = null;
-    
+
     this.element.setAttribute('autocomplete','off');
 
     Element.hide(this.update);
@@ -91,10 +91,10 @@ Autocompleter.Base = Class.create({
 
   show: function() {
     if(Element.getStyle(this.update, 'display')=='none') this.options.onShow(this.element, this.update);
-    if(!this.iefix && 
+    if(!this.iefix &&
       (Prototype.Browser.IE) &&
       (Element.getStyle(this.update, 'position')=='absolute')) {
-      new Insertion.After(this.update, 
+      new Insertion.After(this.update,
        '<iframe id="' + this.update.id + '_iefix" '+
        'style="display:none;position:absolute;filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);" ' +
        'src="javascript:false;" frameborder="0" scrolling="no"></iframe>');
@@ -102,7 +102,7 @@ Autocompleter.Base = Class.create({
     }
     if(this.iefix) setTimeout(this.fixIEOverlapping.bind(this), 50);
   },
-  
+
   fixIEOverlapping: function() {
     Position.clone(this.update, this.iefix, {setTop:(!this.update.style.height)});
     this.iefix.style.zIndex = 1;
@@ -150,15 +150,15 @@ Autocompleter.Base = Class.create({
          Event.stop(event);
          return;
       }
-     else 
-       if(event.keyCode==Event.KEY_TAB || event.keyCode==Event.KEY_RETURN || 
+     else
+       if(event.keyCode==Event.KEY_TAB || event.keyCode==Event.KEY_RETURN ||
          (Prototype.Browser.WebKit > 0 && event.keyCode == 0)) return;
 
     this.changed = true;
     this.hasFocus = true;
 
     if(this.observer) clearTimeout(this.observer);
-      this.observer = 
+      this.observer =
         setTimeout(this.onObserverEvent.bind(this), this.options.frequency*1000);
   },
 
@@ -170,35 +170,35 @@ Autocompleter.Base = Class.create({
 
   onHover: function(event) {
     var element = Event.findElement(event, 'LI');
-    if(this.index != element.autocompleteIndex) 
+    if(this.index != element.autocompleteIndex)
     {
         this.index = element.autocompleteIndex;
         this.render();
     }
     Event.stop(event);
   },
-  
+
   onClick: function(event) {
     var element = Event.findElement(event, 'LI');
     this.index = element.autocompleteIndex;
     this.selectEntry();
     this.hide();
   },
-  
+
   onBlur: function(event) {
     // needed to make click events working
     setTimeout(this.hide.bind(this), 250);
     this.hasFocus = false;
-    this.active = false;     
-  }, 
-  
+    this.active = false;
+  },
+
   render: function() {
     if(this.entryCount > 0) {
       for (var i = 0; i < this.entryCount; i++)
-        this.index==i ? 
-          Element.addClassName(this.getEntry(i),"selected") : 
+        this.index==i ?
+          Element.addClassName(this.getEntry(i),"selected") :
           Element.removeClassName(this.getEntry(i),"selected");
-      if(this.hasFocus) { 
+      if(this.hasFocus) {
         this.show();
         this.active = true;
       }
@@ -207,27 +207,27 @@ Autocompleter.Base = Class.create({
       this.hide();
     }
   },
-  
+
   markPrevious: function() {
-    if(this.index > 0) this.index--
+    if(this.index > 0) this.index--;
       else this.index = this.entryCount-1;
     this.getEntry(this.index).scrollIntoView(true);
   },
-  
+
   markNext: function() {
-    if(this.index < this.entryCount-1) this.index++
+    if(this.index < this.entryCount-1) this.index++;
       else this.index = 0;
     this.getEntry(this.index).scrollIntoView(false);
   },
-  
+
   getEntry: function(index) {
     return this.update.firstChild.childNodes[index];
   },
-  
+
   getCurrentEntry: function() {
     return this.getEntry(this.index);
   },
-  
+
   selectEntry: function() {
     this.active = false;
     this.updateElement(this.getCurrentEntry());
@@ -244,7 +244,7 @@ Autocompleter.Base = Class.create({
       if(nodes.length>0) value = Element.collectTextNodes(nodes[0], this.options.select);
     } else
       value = Element.collectTextNodesIgnoreClass(selectedElement, 'informal');
-    
+
     var bounds = this.getTokenBounds();
     if (bounds[0] != -1) {
       var newValue = this.element.value.substr(0, bounds[0]);
@@ -257,7 +257,7 @@ Autocompleter.Base = Class.create({
     }
     this.oldElementValue = this.element.value;
     this.element.focus();
-    
+
     if (this.options.afterUpdateElement)
       this.options.afterUpdateElement(this.element, selectedElement);
   },
@@ -269,20 +269,20 @@ Autocompleter.Base = Class.create({
       Element.cleanWhitespace(this.update.down());
 
       if(this.update.firstChild && this.update.down().childNodes) {
-        this.entryCount = 
+        this.entryCount =
           this.update.down().childNodes.length;
         for (var i = 0; i < this.entryCount; i++) {
           var entry = this.getEntry(i);
           entry.autocompleteIndex = i;
           this.addObservers(entry);
         }
-      } else { 
+      } else {
         this.entryCount = 0;
       }
 
       this.stopIndicator();
       this.index = 0;
-      
+
       if(this.entryCount==1 && this.options.autoSelect) {
         this.selectEntry();
         this.hide();
@@ -298,7 +298,7 @@ Autocompleter.Base = Class.create({
   },
 
   onObserverEvent: function() {
-    this.changed = false;   
+    this.changed = false;
     this.tokenBounds = null;
     if(this.getToken().length>=this.options.minChars) {
       this.getUpdatedChoices();
@@ -351,16 +351,16 @@ Ajax.Autocompleter = Class.create(Autocompleter.Base, {
 
   getUpdatedChoices: function() {
     this.startIndicator();
-    
-    var entry = encodeURIComponent(this.options.paramName) + '=' + 
+
+    var entry = encodeURIComponent(this.options.paramName) + '=' +
       encodeURIComponent(this.getToken());
 
     this.options.parameters = this.options.callback ?
       this.options.callback(this.element, entry) : entry;
 
-    if(this.options.defaultParams) 
+    if(this.options.defaultParams)
       this.options.parameters += '&' + this.options.defaultParams;
-    
+
     new Ajax.Request(this.url, this.options);
   },
 
@@ -382,7 +382,7 @@ Ajax.Autocompleter = Class.create(Autocompleter.Base, {
 // - choices - How many autocompletion choices to offer
 //
 // - partialSearch - If false, the autocompleter will match entered
-//                    text only at the beginning of strings in the 
+//                    text only at the beginning of strings in the
 //                    autocomplete array. Defaults to true, which will
 //                    match text at the beginning of any *word* in the
 //                    strings in the autocomplete array. If you want to
@@ -399,7 +399,7 @@ Ajax.Autocompleter = Class.create(Autocompleter.Base, {
 // - ignoreCase - Whether to ignore case when autocompleting.
 //                 Defaults to true.
 //
-// It's possible to pass in a custom function as the 'selector' 
+// It's possible to pass in a custom function as the 'selector'
 // option, if you prefer to write your own autocompletion logic.
 // In that case, the other options above will not apply unless
 // you support them.
@@ -427,20 +427,20 @@ Autocompleter.Local = Class.create(Autocompleter.Base, {
         var entry     = instance.getToken();
         var count     = 0;
 
-        for (var i = 0; i < instance.options.array.length &&  
-          ret.length < instance.options.choices ; i++) { 
+        for (var i = 0; i < instance.options.array.length &&
+          ret.length < instance.options.choices ; i++) {
 
           var elem = instance.options.array[i];
-          var foundPos = instance.options.ignoreCase ? 
-            elem.toLowerCase().indexOf(entry.toLowerCase()) : 
+          var foundPos = instance.options.ignoreCase ?
+            elem.toLowerCase().indexOf(entry.toLowerCase()) :
             elem.indexOf(entry);
 
           while (foundPos != -1) {
-            if (foundPos == 0 && elem.length != entry.length) { 
-              ret.push("<li><strong>" + elem.substr(0, entry.length) + "</strong>" + 
+            if (foundPos == 0 && elem.length != entry.length) {
+              ret.push("<li><strong>" + elem.substr(0, entry.length) + "</strong>" +
                 elem.substr(entry.length) + "</li>");
               break;
-            } else if (entry.length >= instance.options.partialChars && 
+            } else if (entry.length >= instance.options.partialChars &&
               instance.options.partialSearch && foundPos != -1) {
               if (instance.options.fullSearch || /\s/.test(elem.substr(foundPos-1,1))) {
                 partial.push("<li>" + elem.substr(0, foundPos) + "<strong>" +
@@ -450,14 +450,14 @@ Autocompleter.Local = Class.create(Autocompleter.Base, {
               }
             }
 
-            foundPos = instance.options.ignoreCase ? 
-              elem.toLowerCase().indexOf(entry.toLowerCase(), foundPos + 1) : 
+            foundPos = instance.options.ignoreCase ?
+              elem.toLowerCase().indexOf(entry.toLowerCase(), foundPos + 1) :
               elem.indexOf(entry, foundPos + 1);
 
           }
         }
         if (partial.length)
-          ret = ret.concat(partial.slice(0, instance.options.choices - ret.length))
+          ret = ret.concat(partial.slice(0, instance.options.choices - ret.length));
         return "<ul>" + ret.join('') + "</ul>";
       }
     }, options || { });
@@ -474,7 +474,7 @@ Field.scrollFreeActivate = function(field) {
   setTimeout(function() {
     Field.activate(field);
   }, 1);
-}
+};
 
 Ajax.InPlaceEditor = Class.create({
   initialize: function(element, url, options) {
@@ -604,7 +604,7 @@ Ajax.InPlaceEditor = Class.create({
     this.triggerCallback('onEnterHover');
   },
   getText: function() {
-    return this.element.innerHTML;
+    return this.element.innerHTML.unescapeHTML();
   },
   handleAJAXFailure: function(transport) {
     this.triggerCallback('onFailure', transport);
@@ -780,7 +780,7 @@ Ajax.InPlaceCollectionEditor = Class.create(Ajax.InPlaceEditor, {
       onSuccess: function(transport) {
         var js = transport.responseText.strip();
         if (!/^\[.*\]$/.test(js)) // TODO: improve sanity check
-          throw 'Server returned an invalid collection representation.';
+          throw('Server returned an invalid collection representation.');
         this._collection = eval(js);
         this.checkForExternalText();
       }.bind(this),
@@ -937,7 +937,7 @@ Ajax.InPlaceCollectionEditor.DefaultOptions = {
   loadingCollectionText: 'Loading options...'
 };
 
-// Delayed observer, like Form.Element.Observer, 
+// Delayed observer, like Form.Element.Observer,
 // but waits for delay after last key input
 // Ideal for live-search fields
 
@@ -947,7 +947,7 @@ Form.Element.DelayedObserver = Class.create({
     this.element   = $(element);
     this.callback  = callback;
     this.timer     = null;
-    this.lastValue = $F(this.element); 
+    this.lastValue = $F(this.element);
     Event.observe(this.element,'keyup',this.delayedListener.bindAsEventListener(this));
   },
   delayedListener: function(event) {
@@ -960,4 +960,4 @@ Form.Element.DelayedObserver = Class.create({
     this.timer = null;
     this.callback(this.element, $F(this.element));
   }
-});
+});
\ No newline at end of file
diff --git a/public/javascripts/dragdrop.js b/public/javascripts/dragdrop.js
index bf5cfea..07229f9 100644
--- a/public/javascripts/dragdrop.js
+++ b/public/javascripts/dragdrop.js
@@ -1,6 +1,6 @@
 // Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
-//           (c) 2005-2007 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz)
-// 
+//           (c) 2005-2008 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz)
+//
 // script.aculo.us is freely distributable under the terms of an MIT-style license.
 // For details, see the script.aculo.us web site: http://script.aculo.us/
 
@@ -32,7 +32,7 @@ var Droppables = {
         options._containers.push($(containment));
       }
     }
-    
+
     if(options.accept) options.accept = [options.accept].flatten();
 
     Element.makePositioned(element); // fix IE
@@ -40,34 +40,34 @@ var Droppables = {
 
     this.drops.push(options);
   },
-  
+
   findDeepestChild: function(drops) {
     deepest = drops[0];
-      
+
     for (i = 1; i < drops.length; ++i)
       if (Element.isParent(drops[i].element, deepest.element))
         deepest = drops[i];
-    
+
     return deepest;
   },
 
   isContained: function(element, drop) {
     var containmentNode;
     if(drop.tree) {
-      containmentNode = element.treeNode; 
+      containmentNode = element.treeNode;
     } else {
       containmentNode = element.parentNode;
     }
     return drop._containers.detect(function(c) { return containmentNode == c });
   },
-  
+
   isAffected: function(point, element, drop) {
     return (
       (drop.element!=element) &&
       ((!drop._containers) ||
         this.isContained(element, drop)) &&
       ((!drop.accept) ||
-        (Element.classNames(element).detect( 
+        (Element.classNames(element).detect(
           function(v) { return drop.accept.include(v) } ) )) &&
       Position.within(drop.element, point[0], point[1]) );
   },
@@ -87,12 +87,12 @@ var Droppables = {
   show: function(point, element) {
     if(!this.drops.length) return;
     var drop, affected = [];
-    
+
     this.drops.each( function(drop) {
       if(Droppables.isAffected(point, element, drop))
         affected.push(drop);
     });
-        
+
     if(affected.length>0)
       drop = Droppables.findDeepestChild(affected);
 
@@ -101,7 +101,7 @@ var Droppables = {
       Position.within(drop.element, point[0], point[1]);
       if(drop.onHover)
         drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));
-      
+
       if (drop != this.last_active) Droppables.activate(drop);
     }
   },
@@ -112,8 +112,8 @@ var Droppables = {
 
     if (this.isAffected([Event.pointerX(event), Event.pointerY(event)], element, this.last_active))
       if (this.last_active.onDrop) {
-        this.last_active.onDrop(element, this.last_active.element, event); 
-        return true; 
+        this.last_active.onDrop(element, this.last_active.element, event);
+        return true;
       }
   },
 
@@ -121,25 +121,25 @@ var Droppables = {
     if(this.last_active)
       this.deactivate(this.last_active);
   }
-}
+};
 
 var Draggables = {
   drags: [],
   observers: [],
-  
+
   register: function(draggable) {
     if(this.drags.length == 0) {
       this.eventMouseUp   = this.endDrag.bindAsEventListener(this);
       this.eventMouseMove = this.updateDrag.bindAsEventListener(this);
       this.eventKeypress  = this.keyPress.bindAsEventListener(this);
-      
+
       Event.observe(document, "mouseup", this.eventMouseUp);
       Event.observe(document, "mousemove", this.eventMouseMove);
       Event.observe(document, "keypress", this.eventKeypress);
     }
     this.drags.push(draggable);
   },
-  
+
   unregister: function(draggable) {
     this.drags = this.drags.reject(function(d) { return d==draggable });
     if(this.drags.length == 0) {
@@ -148,24 +148,24 @@ var Draggables = {
       Event.stopObserving(document, "keypress", this.eventKeypress);
     }
   },
-  
+
   activate: function(draggable) {
-    if(draggable.options.delay) { 
-      this._timeout = setTimeout(function() { 
-        Draggables._timeout = null; 
-        window.focus(); 
-        Draggables.activeDraggable = draggable; 
-      }.bind(this), draggable.options.delay); 
+    if(draggable.options.delay) {
+      this._timeout = setTimeout(function() {
+        Draggables._timeout = null;
+        window.focus();
+        Draggables.activeDraggable = draggable;
+      }.bind(this), draggable.options.delay);
     } else {
       window.focus(); // allows keypress events if window isn't currently focused, fails for Safari
       this.activeDraggable = draggable;
     }
   },
-  
+
   deactivate: function() {
     this.activeDraggable = null;
   },
-  
+
   updateDrag: function(event) {
     if(!this.activeDraggable) return;
     var pointer = [Event.pointerX(event), Event.pointerY(event)];
@@ -173,36 +173,36 @@ var Draggables = {
     // the same coordinates, prevent needless redrawing (moz bug?)
     if(this._lastPointer && (this._lastPointer.inspect() == pointer.inspect())) return;
     this._lastPointer = pointer;
-    
+
     this.activeDraggable.updateDrag(event, pointer);
   },
-  
+
   endDrag: function(event) {
-    if(this._timeout) { 
-      clearTimeout(this._timeout); 
-      this._timeout = null; 
+    if(this._timeout) {
+      clearTimeout(this._timeout);
+      this._timeout = null;
     }
     if(!this.activeDraggable) return;
     this._lastPointer = null;
     this.activeDraggable.endDrag(event);
     this.activeDraggable = null;
   },
-  
+
   keyPress: function(event) {
     if(this.activeDraggable)
       this.activeDraggable.keyPress(event);
   },
-  
+
   addObserver: function(observer) {
     this.observers.push(observer);
     this._cacheObserverCallbacks();
   },
-  
+
   removeObserver: function(element) {  // element instead of observer fixes mem leaks
     this.observers = this.observers.reject( function(o) { return o.element==element });
     this._cacheObserverCallbacks();
   },
-  
+
   notify: function(eventName, draggable, event) {  // 'onStart', 'onEnd', 'onDrag'
     if(this[eventName+'Count'] > 0)
       this.observers.each( function(o) {
@@ -210,7 +210,7 @@ var Draggables = {
       });
     if(draggable.options[eventName]) draggable.options[eventName](draggable, event);
   },
-  
+
   _cacheObserverCallbacks: function() {
     ['onStart','onEnd','onDrag'].each( function(eventName) {
       Draggables[eventName+'Count'] = Draggables.observers.select(
@@ -218,7 +218,7 @@ var Draggables = {
       ).length;
     });
   }
-}
+};
 
 /*--------------------------------------------------------------------------*/
 
@@ -234,12 +234,12 @@ var Draggable = Class.create({
       },
       endeffect: function(element) {
         var toOpacity = Object.isNumber(element._opacity) ? element._opacity : 1.0;
-        new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity, 
+        new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity,
           queue: {scope:'_draggable', position:'end'},
-          afterFinish: function(){ 
-            Draggable._dragging[element] = false 
+          afterFinish: function(){
+            Draggable._dragging[element] = false
           }
-        }); 
+        });
       },
       zindex: 1000,
       revert: false,
@@ -250,57 +250,57 @@ var Draggable = Class.create({
       snap: false,  // false, or xy or [x,y] or function(x,y){ return [x,y] }
       delay: 0
     };
-    
+
     if(!arguments[1] || Object.isUndefined(arguments[1].endeffect))
       Object.extend(defaults, {
         starteffect: function(element) {
           element._opacity = Element.getOpacity(element);
           Draggable._dragging[element] = true;
-          new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7}); 
+          new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7});
         }
       });
-    
+
     var options = Object.extend(defaults, arguments[1] || { });
 
     this.element = $(element);
-    
+
     if(options.handle && Object.isString(options.handle))
       this.handle = this.element.down('.'+options.handle, 0);
-    
+
     if(!this.handle) this.handle = $(options.handle);
     if(!this.handle) this.handle = this.element;
-    
+
     if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) {
       options.scroll = $(options.scroll);
       this._isScrollChild = Element.childOf(this.element, options.scroll);
     }
 
-    Element.makePositioned(this.element); // fix IE    
+    Element.makePositioned(this.element); // fix IE
 
     this.options  = options;
-    this.dragging = false;   
+    this.dragging = false;
 
     this.eventMouseDown = this.initDrag.bindAsEventListener(this);
     Event.observe(this.handle, "mousedown", this.eventMouseDown);
-    
+
     Draggables.register(this);
   },
-  
+
   destroy: function() {
     Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);
     Draggables.unregister(this);
   },
-  
+
   currentDelta: function() {
     return([
       parseInt(Element.getStyle(this.element,'left') || '0'),
       parseInt(Element.getStyle(this.element,'top') || '0')]);
   },
-  
+
   initDrag: function(event) {
     if(!Object.isUndefined(Draggable._dragging[this.element]) &&
       Draggable._dragging[this.element]) return;
-    if(Event.isLeftClick(event)) {    
+    if(Event.isLeftClick(event)) {
       // abort on form elements, fixes a Firefox issue
       var src = Event.element(event);
       if((tag_name = src.tagName.toUpperCase()) && (
@@ -309,34 +309,34 @@ var Draggable = Class.create({
         tag_name=='OPTION' ||
         tag_name=='BUTTON' ||
         tag_name=='TEXTAREA')) return;
-        
+
       var pointer = [Event.pointerX(event), Event.pointerY(event)];
       var pos     = Position.cumulativeOffset(this.element);
       this.offset = [0,1].map( function(i) { return (pointer[i] - pos[i]) });
-      
+
       Draggables.activate(this);
       Event.stop(event);
     }
   },
-  
+
   startDrag: function(event) {
     this.dragging = true;
     if(!this.delta)
       this.delta = this.currentDelta();
-    
+
     if(this.options.zindex) {
       this.originalZ = parseInt(Element.getStyle(this.element,'z-index') || 0);
       this.element.style.zIndex = this.options.zindex;
     }
-    
+
     if(this.options.ghosting) {
       this._clone = this.element.cloneNode(true);
-      this.element._originallyAbsolute = (this.element.getStyle('position') == 'absolute');
-      if (!this.element._originallyAbsolute)
+      this._originallyAbsolute = (this.element.getStyle('position') == 'absolute');
+      if (!this._originallyAbsolute)
         Position.absolutize(this.element);
       this.element.parentNode.insertBefore(this._clone, this.element);
     }
-    
+
     if(this.options.scroll) {
       if (this.options.scroll == window) {
         var where = this._getWindowScroll(this.options.scroll);
@@ -347,28 +347,28 @@ var Draggable = Class.create({
         this.originalScrollTop = this.options.scroll.scrollTop;
       }
     }
-    
+
     Draggables.notify('onStart', this, event);
-        
+
     if(this.options.starteffect) this.options.starteffect(this.element);
   },
-  
+
   updateDrag: function(event, pointer) {
     if(!this.dragging) this.startDrag(event);
-    
+
     if(!this.options.quiet){
       Position.prepare();
       Droppables.show(pointer, this.element);
     }
-    
+
     Draggables.notify('onDrag', this, event);
-    
+
     this.draw(pointer);
     if(this.options.change) this.options.change(this);
-    
+
     if(this.options.scroll) {
       this.stopScrolling();
-      
+
       var p;
       if (this.options.scroll == window) {
         with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; }
@@ -386,16 +386,16 @@ var Draggable = Class.create({
       if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.scrollSensitivity);
       this.startScrolling(speed);
     }
-    
+
     // fix AppleWebKit rendering
     if(Prototype.Browser.WebKit) window.scrollBy(0,0);
-    
+
     Event.stop(event);
   },
-  
+
   finishDrag: function(event, success) {
     this.dragging = false;
-    
+
     if(this.options.quiet){
       Position.prepare();
       var pointer = [Event.pointerX(event), Event.pointerY(event)];
@@ -403,24 +403,24 @@ var Draggable = Class.create({
     }
 
     if(this.options.ghosting) {
-      if (!this.element._originallyAbsolute)
+      if (!this._originallyAbsolute)
         Position.relativize(this.element);
-      delete this.element._originallyAbsolute;
+      delete this._originallyAbsolute;
       Element.remove(this._clone);
       this._clone = null;
     }
 
-    var dropped = false; 
-    if(success) { 
-      dropped = Droppables.fire(event, this.element); 
-      if (!dropped) dropped = false; 
+    var dropped = false;
+    if(success) {
+      dropped = Droppables.fire(event, this.element);
+      if (!dropped) dropped = false;
     }
     if(dropped && this.options.onDropped) this.options.onDropped(this.element);
     Draggables.notify('onEnd', this, event);
 
     var revert = this.options.revert;
     if(revert && Object.isFunction(revert)) revert = revert(this.element);
-    
+
     var d = this.currentDelta();
     if(revert && this.options.reverteffect) {
       if (dropped == 0 || revert != 'failure')
@@ -433,67 +433,67 @@ var Draggable = Class.create({
     if(this.options.zindex)
       this.element.style.zIndex = this.originalZ;
 
-    if(this.options.endeffect) 
+    if(this.options.endeffect)
       this.options.endeffect(this.element);
-      
+
     Draggables.deactivate(this);
     Droppables.reset();
   },
-  
+
   keyPress: function(event) {
     if(event.keyCode!=Event.KEY_ESC) return;
     this.finishDrag(event, false);
     Event.stop(event);
   },
-  
+
   endDrag: function(event) {
     if(!this.dragging) return;
     this.stopScrolling();
     this.finishDrag(event, true);
     Event.stop(event);
   },
-  
+
   draw: function(point) {
     var pos = Position.cumulativeOffset(this.element);
     if(this.options.ghosting) {
       var r   = Position.realOffset(this.element);
       pos[0] += r[0] - Position.deltaX; pos[1] += r[1] - Position.deltaY;
     }
-    
+
     var d = this.currentDelta();
     pos[0] -= d[0]; pos[1] -= d[1];
-    
+
     if(this.options.scroll && (this.options.scroll != window && this._isScrollChild)) {
       pos[0] -= this.options.scroll.scrollLeft-this.originalScrollLeft;
       pos[1] -= this.options.scroll.scrollTop-this.originalScrollTop;
     }
-    
-    var p = [0,1].map(function(i){ 
-      return (point[i]-pos[i]-this.offset[i]) 
+
+    var p = [0,1].map(function(i){
+      return (point[i]-pos[i]-this.offset[i])
     }.bind(this));
-    
+
     if(this.options.snap) {
       if(Object.isFunction(this.options.snap)) {
         p = this.options.snap(p[0],p[1],this);
       } else {
       if(Object.isArray(this.options.snap)) {
         p = p.map( function(v, i) {
-          return (v/this.options.snap[i]).round()*this.options.snap[i] }.bind(this))
+          return (v/this.options.snap[i]).round()*this.options.snap[i] }.bind(this));
       } else {
         p = p.map( function(v) {
-          return (v/this.options.snap).round()*this.options.snap }.bind(this))
+          return (v/this.options.snap).round()*this.options.snap }.bind(this));
       }
     }}
-    
+
     var style = this.element.style;
     if((!this.options.constraint) || (this.options.constraint=='horizontal'))
       style.left = p[0] + "px";
     if((!this.options.constraint) || (this.options.constraint=='vertical'))
       style.top  = p[1] + "px";
-    
+
     if(style.visibility=="hidden") style.visibility = ""; // fix gecko rendering
   },
-  
+
   stopScrolling: function() {
     if(this.scrollInterval) {
       clearInterval(this.scrollInterval);
@@ -501,14 +501,14 @@ var Draggable = Class.create({
       Draggables._lastScrollPointer = null;
     }
   },
-  
+
   startScrolling: function(speed) {
     if(!(speed[0] || speed[1])) return;
     this.scrollSpeed = [speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed];
     this.lastScrolled = new Date();
     this.scrollInterval = setInterval(this.scroll.bind(this), 10);
   },
-  
+
   scroll: function() {
     var current = new Date();
     var delta = current - this.lastScrolled;
@@ -524,7 +524,7 @@ var Draggable = Class.create({
       this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;
       this.options.scroll.scrollTop  += this.scrollSpeed[1] * delta / 1000;
     }
-    
+
     Position.prepare();
     Droppables.show(Draggables._lastPointer, this.element);
     Draggables.notify('onDrag', this);
@@ -538,10 +538,10 @@ var Draggable = Class.create({
         Draggables._lastScrollPointer[1] = 0;
       this.draw(Draggables._lastScrollPointer);
     }
-    
+
     if(this.options.change) this.options.change(this);
   },
-  
+
   _getWindowScroll: function(w) {
     var T, L, W, H;
     with (w.document) {
@@ -560,7 +560,7 @@ var Draggable = Class.create({
         H = documentElement.clientHeight;
       } else {
         W = body.offsetWidth;
-        H = body.offsetHeight
+        H = body.offsetHeight;
       }
     }
     return { top: T, left: L, width: W, height: H };
@@ -577,11 +577,11 @@ var SortableObserver = Class.create({
     this.observer  = observer;
     this.lastValue = Sortable.serialize(this.element);
   },
-  
+
   onStart: function() {
     this.lastValue = Sortable.serialize(this.element);
   },
-  
+
   onEnd: function() {
     Sortable.unmark();
     if(this.lastValue != Sortable.serialize(this.element))
@@ -591,11 +591,11 @@ var SortableObserver = Class.create({
 
 var Sortable = {
   SERIALIZE_RULE: /^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,
-  
+
   sortables: { },
-  
+
   _findRootElement: function(element) {
-    while (element.tagName.toUpperCase() != "BODY") {  
+    while (element.tagName.toUpperCase() != "BODY") {
       if(element.id && Sortable.sortables[element.id]) return element;
       element = element.parentNode;
     }
@@ -606,22 +606,23 @@ var Sortable = {
     if(!element) return;
     return Sortable.sortables[element.id];
   },
-  
+
   destroy: function(element){
-    var s = Sortable.options(element);
-    
+    element = $(element);
+    var s = Sortable.sortables[element.id];
+
     if(s) {
       Draggables.removeObserver(s.element);
       s.droppables.each(function(d){ Droppables.remove(d) });
       s.draggables.invoke('destroy');
-      
+
       delete Sortable.sortables[s.element.id];
     }
   },
 
   create: function(element) {
     element = $(element);
-    var options = Object.extend({ 
+    var options = Object.extend({
       element:     element,
       tag:         'li',       // assumes li children, override with tag: 'tagname'
       dropOnEmpty: false,
@@ -635,17 +636,17 @@ var Sortable = {
       delay:       0,
       hoverclass:  null,
       ghosting:    false,
-      quiet:       false, 
+      quiet:       false,
       scroll:      false,
       scrollSensitivity: 20,
       scrollSpeed: 15,
       format:      this.SERIALIZE_RULE,
-      
-      // these take arrays of elements or ids and can be 
+
+      // these take arrays of elements or ids and can be
       // used for better initialization performance
       elements:    false,
       handles:     false,
-      
+
       onChange:    Prototype.emptyFunction,
       onUpdate:    Prototype.emptyFunction
     }, arguments[1] || { });
@@ -682,24 +683,24 @@ var Sortable = {
     if(options.zindex)
       options_for_draggable.zindex = options.zindex;
 
-    // build options for the droppables  
+    // build options for the droppables
     var options_for_droppable = {
       overlap:     options.overlap,
       containment: options.containment,
       tree:        options.tree,
       hoverclass:  options.hoverclass,
       onHover:     Sortable.onHover
-    }
-    
+    };
+
     var options_for_tree = {
       onHover:      Sortable.onEmptyHover,
       overlap:      options.overlap,
       containment:  options.containment,
       hoverclass:   options.hoverclass
-    }
+    };
 
     // fix for gecko engine
-    Element.cleanWhitespace(element); 
+    Element.cleanWhitespace(element);
 
     options.draggables = [];
     options.droppables = [];
@@ -712,14 +713,14 @@ var Sortable = {
 
     (options.elements || this.findElements(element, options) || []).each( function(e,i) {
       var handle = options.handles ? $(options.handles[i]) :
-        (options.handle ? $(e).select('.' + options.handle)[0] : e); 
+        (options.handle ? $(e).select('.' + options.handle)[0] : e);
       options.draggables.push(
         new Draggable(e, Object.extend(options_for_draggable, { handle: handle })));
       Droppables.add(e, options_for_droppable);
       if(options.tree) e.treeNode = element;
-      options.droppables.push(e);      
+      options.droppables.push(e);
     });
-    
+
     if(options.tree) {
       (Sortable.findTreeElements(element, options) || []).each( function(e) {
         Droppables.add(e, options_for_tree);
@@ -741,7 +742,7 @@ var Sortable = {
     return Element.findChildren(
       element, options.only, options.tree ? true : false, options.tag);
   },
-  
+
   findTreeElements: function(element, options) {
     return Element.findChildren(
       element, options.only, options.tree ? true : false, options.treeTag);
@@ -758,7 +759,7 @@ var Sortable = {
         var oldParentNode = element.parentNode;
         element.style.visibility = "hidden"; // fix gecko rendering
         dropon.parentNode.insertBefore(element, dropon);
-        if(dropon.parentNode!=oldParentNode) 
+        if(dropon.parentNode!=oldParentNode)
           Sortable.options(oldParentNode).onChange(element);
         Sortable.options(dropon.parentNode).onChange(element);
       }
@@ -769,26 +770,26 @@ var Sortable = {
         var oldParentNode = element.parentNode;
         element.style.visibility = "hidden"; // fix gecko rendering
         dropon.parentNode.insertBefore(element, nextElement);
-        if(dropon.parentNode!=oldParentNode) 
+        if(dropon.parentNode!=oldParentNode)
           Sortable.options(oldParentNode).onChange(element);
         Sortable.options(dropon.parentNode).onChange(element);
       }
     }
   },
-  
+
   onEmptyHover: function(element, dropon, overlap) {
     var oldParentNode = element.parentNode;
     var droponOptions = Sortable.options(dropon);
-        
+
     if(!Element.isParent(dropon, element)) {
       var index;
-      
+
       var children = Sortable.findElements(dropon, {tag: droponOptions.tag, only: droponOptions.only});
       var child = null;
-            
+
       if(children) {
         var offset = Element.offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap);
-        
+
         for (index = 0; index < children.length; index += 1) {
           if (offset - Element.offsetSize (children[index], droponOptions.overlap) >= 0) {
             offset -= Element.offsetSize (children[index], droponOptions.overlap);
@@ -801,9 +802,9 @@ var Sortable = {
           }
         }
       }
-      
+
       dropon.insertBefore(element, child);
-      
+
       Sortable.options(oldParentNode).onChange(element);
       droponOptions.onChange(element);
     }
@@ -816,34 +817,34 @@ var Sortable = {
   mark: function(dropon, position) {
     // mark on ghosting only
     var sortable = Sortable.options(dropon.parentNode);
-    if(sortable && !sortable.ghosting) return; 
+    if(sortable && !sortable.ghosting) return;
 
     if(!Sortable._marker) {
-      Sortable._marker = 
+      Sortable._marker =
         ($('dropmarker') || Element.extend(document.createElement('DIV'))).
           hide().addClassName('dropmarker').setStyle({position:'absolute'});
       document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);
-    }    
+    }
     var offsets = Position.cumulativeOffset(dropon);
     Sortable._marker.setStyle({left: offsets[0]+'px', top: offsets[1] + 'px'});
-    
+
     if(position=='after')
-      if(sortable.overlap == 'horizontal') 
+      if(sortable.overlap == 'horizontal')
         Sortable._marker.setStyle({left: (offsets[0]+dropon.clientWidth) + 'px'});
       else
         Sortable._marker.setStyle({top: (offsets[1]+dropon.clientHeight) + 'px'});
-    
+
     Sortable._marker.show();
   },
-  
+
   _tree: function(element, options, parent) {
     var children = Sortable.findElements(element, options) || [];
-  
+
     for (var i = 0; i < children.length; ++i) {
       var match = children[i].id.match(options.format);
 
       if (!match) continue;
-      
+
       var child = {
         id: encodeURIComponent(match ? match[1] : null),
         element: element,
@@ -851,16 +852,16 @@ var Sortable = {
         children: [],
         position: parent.children.length,
         container: $(children[i]).down(options.treeTag)
-      }
-      
+      };
+
       /* Get the element containing the children and recurse over it */
       if (child.container)
-        this._tree(child.container, options, child)
-      
+        this._tree(child.container, options, child);
+
       parent.children.push (child);
     }
 
-    return parent; 
+    return parent;
   },
 
   tree: function(element) {
@@ -873,15 +874,15 @@ var Sortable = {
       name: element.id,
       format: sortableOptions.format
     }, arguments[1] || { });
-    
+
     var root = {
       id: null,
       parent: null,
       children: [],
       container: element,
       position: 0
-    }
-    
+    };
+
     return Sortable._tree(element, options, root);
   },
 
@@ -897,7 +898,7 @@ var Sortable = {
   sequence: function(element) {
     element = $(element);
     var options = Object.extend(this.options(element), arguments[1] || { });
-    
+
     return $(this.findElements(element, options) || []).map( function(item) {
       return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
     });
@@ -906,14 +907,14 @@ var Sortable = {
   setSequence: function(element, new_sequence) {
     element = $(element);
     var options = Object.extend(this.options(element), arguments[2] || { });
-    
+
     var nodeMap = { };
     this.findElements(element, options).each( function(n) {
         if (n.id.match(options.format))
             nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode];
         n.parentNode.removeChild(n);
     });
-   
+
     new_sequence.each(function(ident) {
       var n = nodeMap[ident];
       if (n) {
@@ -922,16 +923,16 @@ var Sortable = {
       }
     });
   },
-  
+
   serialize: function(element) {
     element = $(element);
     var options = Object.extend(Sortable.options(element), arguments[1] || { });
     var name = encodeURIComponent(
       (arguments[1] && arguments[1].name) ? arguments[1].name : element.id);
-    
+
     if (options.tree) {
       return Sortable.tree(element, arguments[1]).children.map( function (item) {
-        return [name + Sortable._constructIndex(item) + "[id]=" + 
+        return [name + Sortable._constructIndex(item) + "[id]=" +
                 encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
       }).flatten().join('&');
     } else {
@@ -940,16 +941,16 @@ var Sortable = {
       }).join('&');
     }
   }
-}
+};
 
 // Returns true if child is contained within element
 Element.isParent = function(child, element) {
   if (!child.parentNode || child == element) return false;
   if (child.parentNode == element) return true;
   return Element.isParent(child.parentNode, element);
-}
+};
 
-Element.findChildren = function(element, only, recursive, tagName) {   
+Element.findChildren = function(element, only, recursive, tagName) {
   if(!element.hasChildNodes()) return null;
   tagName = tagName.toUpperCase();
   if(only) only = [only].flatten();
@@ -965,8 +966,8 @@ Element.findChildren = function(element, only, recursive, tagName) {
   });
 
   return (elements.length>0 ? elements.flatten() : []);
-}
+};
 
 Element.offsetSize = function (element, type) {
   return element['offset' + ((type=='vertical' || type=='height') ? 'Height' : 'Width')];
-}
+};
\ No newline at end of file
diff --git a/public/javascripts/effects.js b/public/javascripts/effects.js
index f030b5d..5a639d2 100644
--- a/public/javascripts/effects.js
+++ b/public/javascripts/effects.js
@@ -3,46 +3,46 @@
 //  Justin Palmer (http://encytemedia.com/)
 //  Mark Pilgrim (http://diveintomark.org/)
 //  Martin Bialasinki
-// 
+//
 // script.aculo.us is freely distributable under the terms of an MIT-style license.
-// For details, see the script.aculo.us web site: http://script.aculo.us/ 
+// For details, see the script.aculo.us web site: http://script.aculo.us/
 
-// converts rgb() and #xxx to #xxxxxx format,  
-// returns self (or first argument) if not convertable  
-String.prototype.parseColor = function() {  
+// converts rgb() and #xxx to #xxxxxx format,
+// returns self (or first argument) if not convertable
+String.prototype.parseColor = function() {
   var color = '#';
-  if (this.slice(0,4) == 'rgb(') {  
-    var cols = this.slice(4,this.length-1).split(',');  
-    var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);  
-  } else {  
-    if (this.slice(0,1) == '#') {  
-      if (this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();  
-      if (this.length==7) color = this.toLowerCase();  
-    }  
-  }  
-  return (color.length==7 ? color : (arguments[0] || this));  
+  if (this.slice(0,4) == 'rgb(') {
+    var cols = this.slice(4,this.length-1).split(',');
+    var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
+  } else {
+    if (this.slice(0,1) == '#') {
+      if (this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
+      if (this.length==7) color = this.toLowerCase();
+    }
+  }
+  return (color.length==7 ? color : (arguments[0] || this));
 };
 
 /*--------------------------------------------------------------------------*/
 
-Element.collectTextNodes = function(element) {  
+Element.collectTextNodes = function(element) {
   return $A($(element).childNodes).collect( function(node) {
-    return (node.nodeType==3 ? node.nodeValue : 
+    return (node.nodeType==3 ? node.nodeValue :
       (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
   }).flatten().join('');
 };
 
-Element.collectTextNodesIgnoreClass = function(element, className) {  
+Element.collectTextNodesIgnoreClass = function(element, className) {
   return $A($(element).childNodes).collect( function(node) {
-    return (node.nodeType==3 ? node.nodeValue : 
-      ((node.hasChildNodes() && !Element.hasClassName(node,className)) ? 
+    return (node.nodeType==3 ? node.nodeValue :
+      ((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
         Element.collectTextNodesIgnoreClass(node, className) : ''));
   }).flatten().join('');
 };
 
 Element.setContentZoom = function(element, percent) {
-  element = $(element);  
-  element.setStyle({fontSize: (percent/100) + 'em'});   
+  element = $(element);
+  element.setStyle({fontSize: (percent/100) + 'em'});
   if (Prototype.Browser.WebKit) window.scrollBy(0,0);
   return element;
 };
@@ -70,28 +70,23 @@ var Effect = {
   Transitions: {
     linear: Prototype.K,
     sinoidal: function(pos) {
-      return (-Math.cos(pos*Math.PI)/2) + 0.5;
+      return (-Math.cos(pos*Math.PI)/2) + .5;
     },
     reverse: function(pos) {
       return 1-pos;
     },
     flicker: function(pos) {
-      var pos = ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
+      var pos = ((-Math.cos(pos*Math.PI)/4) + .75) + Math.random()/4;
       return pos > 1 ? 1 : pos;
     },
     wobble: function(pos) {
-      return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
+      return (-Math.cos(pos*Math.PI*(9*pos))/2) + .5;
     },
-    pulse: function(pos, pulses) { 
-      pulses = pulses || 5; 
-      return (
-        ((pos % (1/pulses)) * pulses).round() == 0 ? 
-              ((pos * pulses * 2) - (pos * pulses * 2).floor()) : 
-          1 - ((pos * pulses * 2) - (pos * pulses * 2).floor())
-        );
+    pulse: function(pos, pulses) {
+      return (-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2) + .5;
     },
-    spring: function(pos) { 
-      return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6)); 
+    spring: function(pos) {
+      return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6));
     },
     none: function(pos) {
       return 0;
@@ -112,14 +107,14 @@ var Effect = {
   tagifyText: function(element) {
     var tagifyStyle = 'position:relative';
     if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';
-    
+
     element = $(element);
     $A(element.childNodes).each( function(child) {
       if (child.nodeType==3) {
         child.nodeValue.toArray().each( function(character) {
           element.insertBefore(
             new Element('span', {style: tagifyStyle}).update(
-              character == ' ' ? String.fromCharCode(160) : character), 
+              character == ' ' ? String.fromCharCode(160) : character),
               child);
         });
         Element.remove(child);
@@ -128,13 +123,13 @@ var Effect = {
   },
   multiple: function(element, effect) {
     var elements;
-    if (((typeof element == 'object') || 
-        Object.isFunction(element)) && 
+    if (((typeof element == 'object') ||
+        Object.isFunction(element)) &&
        (element.length))
       elements = element;
     else
       elements = $(element).childNodes;
-      
+
     var options = Object.extend({
       speed: 0.1,
       delay: 0.0
@@ -156,7 +151,7 @@ var Effect = {
     var options = Object.extend({
       queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
     }, arguments[2] || { });
-    Effect[element.visible() ? 
+    Effect[element.visible() ?
       Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
   }
 };
@@ -168,20 +163,20 @@ Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;
 Effect.ScopedQueue = Class.create(Enumerable, {
   initialize: function() {
     this.effects  = [];
-    this.interval = null;    
+    this.interval = null;
   },
   _each: function(iterator) {
     this.effects._each(iterator);
   },
   add: function(effect) {
     var timestamp = new Date().getTime();
-    
-    var position = Object.isString(effect.options.queue) ? 
+
+    var position = Object.isString(effect.options.queue) ?
       effect.options.queue : effect.options.queue.position;
-    
+
     switch(position) {
       case 'front':
-        // move unstarted effects after this effect  
+        // move unstarted effects after this effect
         this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
             e.startOn  += effect.finishOn;
             e.finishOn += effect.finishOn;
@@ -195,13 +190,13 @@ Effect.ScopedQueue = Class.create(Enumerable, {
         timestamp = this.effects.pluck('finishOn').max() || timestamp;
         break;
     }
-    
+
     effect.startOn  += timestamp;
     effect.finishOn += timestamp;
 
     if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
       this.effects.push(effect);
-    
+
     if (!this.interval)
       this.interval = setInterval(this.loop.bind(this), 15);
   },
@@ -214,7 +209,7 @@ Effect.ScopedQueue = Class.create(Enumerable, {
   },
   loop: function() {
     var timePos = new Date().getTime();
-    for(var i=0, len=this.effects.length;i<len;i++) 
+    for(var i=0, len=this.effects.length;i<len;i++)
       this.effects[i] && this.effects[i].loop(timePos);
   }
 });
@@ -223,7 +218,7 @@ Effect.Queues = {
   instances: $H(),
   get: function(queueName) {
     if (!Object.isString(queueName)) return queueName;
-    
+
     return this.instances.get(queueName) ||
       this.instances.set(queueName, new Effect.ScopedQueue());
   }
@@ -248,23 +243,35 @@ Effect.Base = Class.create({
     this.fromToDelta  = this.options.to-this.options.from;
     this.totalTime    = this.finishOn-this.startOn;
     this.totalFrames  = this.options.fps*this.options.duration;
-    
-    eval('this.render = function(pos){ '+
-      'if (this.state=="idle"){this.state="running";'+
-      codeForEvent(this.options,'beforeSetup')+
-      (this.setup ? 'this.setup();':'')+ 
-      codeForEvent(this.options,'afterSetup')+
-      '};if (this.state=="running"){'+
-      'pos=this.options.transition(pos)*'+this.fromToDelta+'+'+this.options.from+';'+
-      'this.position=pos;'+
-      codeForEvent(this.options,'beforeUpdate')+
-      (this.update ? 'this.update(pos);':'')+
-      codeForEvent(this.options,'afterUpdate')+
-      '}}');
-    
+
+    this.render = (function() {
+      function dispatch(effect, eventName) {
+        if (effect.options[eventName + 'Internal'])
+          effect.options[eventName + 'Internal'](effect);
+        if (effect.options[eventName])
+          effect.options[eventName](effect);
+      }
+
+      return function(pos) {
+        if (this.state === "idle") {
+          this.state = "running";
+          dispatch(this, 'beforeSetup');
+          if (this.setup) this.setup();
+          dispatch(this, 'afterSetup');
+        }
+        if (this.state === "running") {
+          pos = (this.options.transition(pos) * this.fromToDelta) + this.options.from;
+          this.position = pos;
+          dispatch(this, 'beforeUpdate');
+          if (this.update) this.update(pos);
+          dispatch(this, 'afterUpdate');
+        }
+      };
+    })();
+
     this.event('beforeStart');
     if (!this.options.sync)
-      Effect.Queues.get(Object.isString(this.options.queue) ? 
+      Effect.Queues.get(Object.isString(this.options.queue) ?
         'global' : this.options.queue.scope).add(this);
   },
   loop: function(timePos) {
@@ -273,9 +280,9 @@ Effect.Base = Class.create({
         this.render(1.0);
         this.cancel();
         this.event('beforeFinish');
-        if (this.finish) this.finish(); 
+        if (this.finish) this.finish();
         this.event('afterFinish');
-        return;  
+        return;
       }
       var pos   = (timePos - this.startOn) / this.totalTime,
           frame = (pos * this.totalFrames).round();
@@ -287,7 +294,7 @@ Effect.Base = Class.create({
   },
   cancel: function() {
     if (!this.options.sync)
-      Effect.Queues.get(Object.isString(this.options.queue) ? 
+      Effect.Queues.get(Object.isString(this.options.queue) ?
         'global' : this.options.queue.scope).remove(this);
     this.state = 'finished';
   },
@@ -325,10 +332,10 @@ Effect.Parallel = Class.create(Effect.Base, {
 Effect.Tween = Class.create(Effect.Base, {
   initialize: function(object, from, to) {
     object = Object.isString(object) ? $(object) : object;
-    var args = $A(arguments), method = args.last(), 
+    var args = $A(arguments), method = args.last(),
       options = args.length == 5 ? args[3] : null;
     this.method = Object.isFunction(method) ? method.bind(object) :
-      Object.isFunction(object[method]) ? object[method].bind(object) : 
+      Object.isFunction(object[method]) ? object[method].bind(object) :
       function(value) { object[method] = value };
     this.start(Object.extend({ from: from, to: to }, options || { }));
   },
@@ -392,7 +399,7 @@ Effect.Move = Class.create(Effect.Base, {
 
 // for backwards compatibility
 Effect.MoveBy = function(element, toTop, toLeft) {
-  return new Effect.Move(element, 
+  return new Effect.Move(element,
     Object.extend({ x: toLeft, y: toTop }, arguments[3] || { }));
 };
 
@@ -414,15 +421,15 @@ Effect.Scale = Class.create(Effect.Base, {
   setup: function() {
     this.restoreAfterFinish = this.options.restoreAfterFinish || false;
     this.elementPositioning = this.element.getStyle('position');
-    
+
     this.originalStyle = { };
     ['top','left','width','height','fontSize'].each( function(k) {
       this.originalStyle[k] = this.element.style[k];
     }.bind(this));
-      
+
     this.originalTop  = this.element.offsetTop;
     this.originalLeft = this.element.offsetLeft;
-    
+
     var fontSize = this.element.getStyle('font-size') || '100%';
     ['em','px','%','pt'].each( function(fontSizeType) {
       if (fontSize.indexOf(fontSizeType)>0) {
@@ -430,9 +437,9 @@ Effect.Scale = Class.create(Effect.Base, {
         this.fontSizeType = fontSizeType;
       }
     }.bind(this));
-    
+
     this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
-    
+
     this.dims = null;
     if (this.options.scaleMode=='box')
       this.dims = [this.element.offsetHeight, this.element.offsetWidth];
@@ -507,17 +514,16 @@ Effect.Highlight = Class.create(Effect.Base, {
 
 Effect.ScrollTo = function(element) {
   var options = arguments[1] || { },
-    scrollOffsets = document.viewport.getScrollOffsets(),
-    elementOffsets = $(element).cumulativeOffset(),
-    max = (window.height || document.body.scrollHeight) - document.viewport.getHeight();  
+  scrollOffsets = document.viewport.getScrollOffsets(),
+  elementOffsets = $(element).cumulativeOffset();
 
   if (options.offset) elementOffsets[1] += options.offset;
 
   return new Effect.Tween(null,
     scrollOffsets.top,
-    elementOffsets[1] > max ? max : elementOffsets[1],
+    elementOffsets[1],
     options,
-    function(p){ scrollTo(scrollOffsets.left, p.round()) }
+    function(p){ scrollTo(scrollOffsets.left, p.round()); }
   );
 };
 
@@ -529,9 +535,9 @@ Effect.Fade = function(element) {
   var options = Object.extend({
     from: element.getOpacity() || 1.0,
     to:   0.0,
-    afterFinishInternal: function(effect) { 
+    afterFinishInternal: function(effect) {
       if (effect.options.to!=0) return;
-      effect.element.hide().setStyle({opacity: oldOpacity}); 
+      effect.element.hide().setStyle({opacity: oldOpacity});
     }
   }, arguments[1] || { });
   return new Effect.Opacity(element,options);
@@ -547,15 +553,15 @@ Effect.Appear = function(element) {
     effect.element.forceRerendering();
   },
   beforeSetup: function(effect) {
-    effect.element.setOpacity(effect.options.from).show(); 
+    effect.element.setOpacity(effect.options.from).show();
   }}, arguments[1] || { });
   return new Effect.Opacity(element,options);
 };
 
 Effect.Puff = function(element) {
   element = $(element);
-  var oldStyle = { 
-    opacity: element.getInlineOpacity(), 
+  var oldStyle = {
+    opacity: element.getInlineOpacity(),
     position: element.getStyle('position'),
     top:  element.style.top,
     left: element.style.left,
@@ -563,12 +569,12 @@ Effect.Puff = function(element) {
     height: element.style.height
   };
   return new Effect.Parallel(
-   [ new Effect.Scale(element, 200, 
-      { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }), 
-     new Effect.Opacity(element, { sync: true, to: 0.0 } ) ], 
-     Object.extend({ duration: 1.0, 
+   [ new Effect.Scale(element, 200,
+      { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
+     new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
+     Object.extend({ duration: 1.0,
       beforeSetupInternal: function(effect) {
-        Position.absolutize(effect.effects[0].element)
+        Position.absolutize(effect.effects[0].element);
       },
       afterFinishInternal: function(effect) {
          effect.effects[0].element.hide().setStyle(oldStyle); }
@@ -580,12 +586,12 @@ Effect.BlindUp = function(element) {
   element = $(element);
   element.makeClipping();
   return new Effect.Scale(element, 0,
-    Object.extend({ scaleContent: false, 
-      scaleX: false, 
+    Object.extend({ scaleContent: false,
+      scaleX: false,
       restoreAfterFinish: true,
       afterFinishInternal: function(effect) {
         effect.element.hide().undoClipping();
-      } 
+      }
     }, arguments[1] || { })
   );
 };
@@ -593,15 +599,15 @@ Effect.BlindUp = function(element) {
 Effect.BlindDown = function(element) {
   element = $(element);
   var elementDimensions = element.getDimensions();
-  return new Effect.Scale(element, 100, Object.extend({ 
-    scaleContent: false, 
+  return new Effect.Scale(element, 100, Object.extend({
+    scaleContent: false,
     scaleX: false,
     scaleFrom: 0,
     scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
     restoreAfterFinish: true,
     afterSetup: function(effect) {
-      effect.element.makeClipping().setStyle({height: '0px'}).show(); 
-    },  
+      effect.element.makeClipping().setStyle({height: '0px'}).show();
+    },
     afterFinishInternal: function(effect) {
       effect.element.undoClipping();
     }
@@ -616,16 +622,16 @@ Effect.SwitchOff = function(element) {
     from: 0,
     transition: Effect.Transitions.flicker,
     afterFinishInternal: function(effect) {
-      new Effect.Scale(effect.element, 1, { 
+      new Effect.Scale(effect.element, 1, {
         duration: 0.3, scaleFromCenter: true,
         scaleX: false, scaleContent: false, restoreAfterFinish: true,
-        beforeSetup: function(effect) { 
+        beforeSetup: function(effect) {
           effect.element.makePositioned().makeClipping();
         },
         afterFinishInternal: function(effect) {
           effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
         }
-      })
+      });
     }
   }, arguments[1] || { }));
 };
@@ -637,16 +643,16 @@ Effect.DropOut = function(element) {
     left: element.getStyle('left'),
     opacity: element.getInlineOpacity() };
   return new Effect.Parallel(
-    [ new Effect.Move(element, {x: 0, y: 100, sync: true }), 
+    [ new Effect.Move(element, {x: 0, y: 100, sync: true }),
       new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
     Object.extend(
       { duration: 0.5,
         beforeSetup: function(effect) {
-          effect.effects[0].element.makePositioned(); 
+          effect.effects[0].element.makePositioned();
         },
         afterFinishInternal: function(effect) {
           effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
-        } 
+        }
       }, arguments[1] || { }));
 };
 
@@ -674,7 +680,7 @@ Effect.Shake = function(element) {
     new Effect.Move(effect.element,
       { x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) {
         effect.element.undoPositioned().setStyle(oldStyle);
-  }}) }}) }}) }}) }}) }});
+  }}); }}); }}); }}); }}); }});
 };
 
 Effect.SlideDown = function(element) {
@@ -682,9 +688,9 @@ Effect.SlideDown = function(element) {
   // SlideDown need to have the content of the element wrapped in a container element with fixed height!
   var oldInnerBottom = element.down().getStyle('bottom');
   var elementDimensions = element.getDimensions();
-  return new Effect.Scale(element, 100, Object.extend({ 
-    scaleContent: false, 
-    scaleX: false, 
+  return new Effect.Scale(element, 100, Object.extend({
+    scaleContent: false,
+    scaleX: false,
     scaleFrom: window.opera ? 0 : 1,
     scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
     restoreAfterFinish: true,
@@ -692,11 +698,11 @@ Effect.SlideDown = function(element) {
       effect.element.makePositioned();
       effect.element.down().makePositioned();
       if (window.opera) effect.element.setStyle({top: ''});
-      effect.element.makeClipping().setStyle({height: '0px'}).show(); 
+      effect.element.makeClipping().setStyle({height: '0px'}).show();
     },
     afterUpdateInternal: function(effect) {
       effect.element.down().setStyle({bottom:
-        (effect.dims[0] - effect.element.clientHeight) + 'px' }); 
+        (effect.dims[0] - effect.element.clientHeight) + 'px' });
     },
     afterFinishInternal: function(effect) {
       effect.element.undoClipping().undoPositioned();
@@ -710,8 +716,8 @@ Effect.SlideUp = function(element) {
   var oldInnerBottom = element.down().getStyle('bottom');
   var elementDimensions = element.getDimensions();
   return new Effect.Scale(element, window.opera ? 0 : 1,
-   Object.extend({ scaleContent: false, 
-    scaleX: false, 
+   Object.extend({ scaleContent: false,
+    scaleX: false,
     scaleMode: 'box',
     scaleFrom: 100,
     scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
@@ -721,7 +727,7 @@ Effect.SlideUp = function(element) {
       effect.element.down().makePositioned();
       if (window.opera) effect.element.setStyle({top: ''});
       effect.element.makeClipping().show();
-    },  
+    },
     afterUpdateInternal: function(effect) {
       effect.element.down().setStyle({bottom:
         (effect.dims[0] - effect.element.clientHeight) + 'px' });
@@ -734,15 +740,15 @@ Effect.SlideUp = function(element) {
   );
 };
 
-// Bug in opera makes the TD containing this element expand for a instance after finish 
+// Bug in opera makes the TD containing this element expand for a instance after finish
 Effect.Squish = function(element) {
-  return new Effect.Scale(element, window.opera ? 1 : 0, { 
+  return new Effect.Scale(element, window.opera ? 1 : 0, {
     restoreAfterFinish: true,
     beforeSetup: function(effect) {
-      effect.element.makeClipping(); 
-    },  
+      effect.element.makeClipping();
+    },
     afterFinishInternal: function(effect) {
-      effect.element.hide().undoClipping(); 
+      effect.element.hide().undoClipping();
     }
   });
 };
@@ -762,13 +768,13 @@ Effect.Grow = function(element) {
     width: element.style.width,
     opacity: element.getInlineOpacity() };
 
-  var dims = element.getDimensions();    
+  var dims = element.getDimensions();
   var initialMoveX, initialMoveY;
   var moveX, moveY;
-  
+
   switch (options.direction) {
     case 'top-left':
-      initialMoveX = initialMoveY = moveX = moveY = 0; 
+      initialMoveX = initialMoveY = moveX = moveY = 0;
       break;
     case 'top-right':
       initialMoveX = dims.width;
@@ -793,11 +799,11 @@ Effect.Grow = function(element) {
       moveY = -dims.height / 2;
       break;
   }
-  
+
   return new Effect.Move(element, {
     x: initialMoveX,
     y: initialMoveY,
-    duration: 0.01, 
+    duration: 0.01,
     beforeSetup: function(effect) {
       effect.element.hide().makeClipping().makePositioned();
     },
@@ -806,17 +812,17 @@ Effect.Grow = function(element) {
         [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
           new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
           new Effect.Scale(effect.element, 100, {
-            scaleMode: { originalHeight: dims.height, originalWidth: dims.width }, 
+            scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
             sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
         ], Object.extend({
              beforeSetup: function(effect) {
-               effect.effects[0].element.setStyle({height: '0px'}).show(); 
+               effect.effects[0].element.setStyle({height: '0px'}).show();
              },
              afterFinishInternal: function(effect) {
-               effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle); 
+               effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
              }
            }, options)
-      )
+      );
     }
   });
 };
@@ -838,7 +844,7 @@ Effect.Shrink = function(element) {
 
   var dims = element.getDimensions();
   var moveX, moveY;
-  
+
   switch (options.direction) {
     case 'top-left':
       moveX = moveY = 0;
@@ -855,19 +861,19 @@ Effect.Shrink = function(element) {
       moveX = dims.width;
       moveY = dims.height;
       break;
-    case 'center':  
+    case 'center':
       moveX = dims.width / 2;
       moveY = dims.height / 2;
       break;
   }
-  
+
   return new Effect.Parallel(
     [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
       new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
       new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
-    ], Object.extend({            
+    ], Object.extend({
          beforeStartInternal: function(effect) {
-           effect.effects[0].element.makePositioned().makeClipping(); 
+           effect.effects[0].element.makePositioned().makeClipping();
          },
          afterFinishInternal: function(effect) {
            effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
@@ -877,12 +883,14 @@ Effect.Shrink = function(element) {
 
 Effect.Pulsate = function(element) {
   element = $(element);
-  var options    = arguments[1] || { };
-  var oldOpacity = element.getInlineOpacity();
-  var transition = options.transition || Effect.Transitions.sinoidal;
-  var reverser   = function(pos){ return transition(1-Effect.Transitions.pulse(pos, options.pulses)) };
-  reverser.bind(transition);
-  return new Effect.Opacity(element, 
+  var options    = arguments[1] || { },
+    oldOpacity = element.getInlineOpacity(),
+    transition = options.transition || Effect.Transitions.linear,
+    reverser   = function(pos){
+      return 1 - transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2) + .5);
+    };
+
+  return new Effect.Opacity(element,
     Object.extend(Object.extend({  duration: 2.0, from: 0,
       afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
     }, options), {transition: reverser}));
@@ -896,12 +904,12 @@ Effect.Fold = function(element) {
     width: element.style.width,
     height: element.style.height };
   element.makeClipping();
-  return new Effect.Scale(element, 5, Object.extend({   
+  return new Effect.Scale(element, 5, Object.extend({
     scaleContent: false,
     scaleX: false,
     afterFinishInternal: function(effect) {
-    new Effect.Scale(element, 1, { 
-      scaleContent: false, 
+    new Effect.Scale(element, 1, {
+      scaleContent: false,
       scaleY: false,
       afterFinishInternal: function(effect) {
         effect.element.hide().undoClipping().setStyle(oldStyle);
@@ -916,7 +924,7 @@ Effect.Morph = Class.create(Effect.Base, {
     var options = Object.extend({
       style: { }
     }, arguments[1] || { });
-    
+
     if (!Object.isString(options.style)) this.style = $H(options.style);
     else {
       if (options.style.include(':'))
@@ -934,18 +942,18 @@ Effect.Morph = Class.create(Effect.Base, {
           effect.transforms.each(function(transform) {
             effect.element.style[transform.style] = '';
           });
-        }
+        };
       }
     }
     this.start(options);
   },
-  
+
   setup: function(){
     function parseColor(color){
       if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
       color = color.parseColor();
       return $R(0,2).map(function(i){
-        return parseInt( color.slice(i*2+1,i*2+3), 16 ) 
+        return parseInt( color.slice(i*2+1,i*2+3), 16 );
       });
     }
     this.transforms = this.style.map(function(pair){
@@ -965,9 +973,9 @@ Effect.Morph = Class.create(Effect.Base, {
       }
 
       var originalValue = this.element.getStyle(property);
-      return { 
-        style: property.camelize(), 
-        originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0), 
+      return {
+        style: property.camelize(),
+        originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
         targetValue: unit=='color' ? parseColor(value) : value,
         unit: unit
       };
@@ -978,13 +986,13 @@ Effect.Morph = Class.create(Effect.Base, {
           transform.unit != 'color' &&
           (isNaN(transform.originalValue) || isNaN(transform.targetValue))
         )
-      )
+      );
     });
   },
   update: function(position) {
     var style = { }, transform, i = this.transforms.length;
     while(i--)
-      style[(transform = this.transforms[i]).style] = 
+      style[(transform = this.transforms[i]).style] =
         transform.unit=='color' ? '#'+
           (Math.round(transform.originalValue[0]+
             (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
@@ -993,7 +1001,7 @@ Effect.Morph = Class.create(Effect.Base, {
           (Math.round(transform.originalValue[2]+
             (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
         (transform.originalValue +
-          (transform.targetValue - transform.originalValue) * position).toFixed(3) + 
+          (transform.targetValue - transform.originalValue) * position).toFixed(3) +
             (transform.unit === null ? '' : transform.unit);
     this.element.setStyle(style, true);
   }
@@ -1030,7 +1038,7 @@ Effect.Transform = Class.create({
 });
 
 Element.CSS_PROPERTIES = $w(
-  'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' + 
+  'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
   'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
   'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
   'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
@@ -1039,7 +1047,7 @@ Element.CSS_PROPERTIES = $w(
   'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
   'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
   'right textIndent top width wordSpacing zIndex');
-  
+
 Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
 
 String.__parseStyleElement = document.createElement('div');
@@ -1051,11 +1059,11 @@ String.prototype.parseStyle = function(){
     String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
     style = String.__parseStyleElement.childNodes[0].style;
   }
-  
+
   Element.CSS_PROPERTIES.each(function(property){
-    if (style[property]) styleRules.set(property, style[property]); 
+    if (style[property]) styleRules.set(property, style[property]);
   });
-  
+
   if (Prototype.Browser.IE && this.include('opacity'))
     styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);
 
@@ -1074,14 +1082,14 @@ if (document.defaultView && document.defaultView.getComputedStyle) {
   Element.getStyles = function(element) {
     element = $(element);
     var css = element.currentStyle, styles;
-    styles = Element.CSS_PROPERTIES.inject({ }, function(hash, property) {
-      hash.set(property, css[property]);
-      return hash;
+    styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
+      results[property] = css[property];
+      return results;
     });
-    if (!styles.opacity) styles.set('opacity', element.getOpacity());
+    if (!styles.opacity) styles.opacity = element.getOpacity();
     return styles;
   };
-};
+}
 
 Effect.Methods = {
   morph: function(element, style) {
@@ -1090,7 +1098,7 @@ Effect.Methods = {
     return element;
   },
   visualEffect: function(element, effect, options) {
-    element = $(element)
+    element = $(element);
     var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
     new Effect[klass](element, options);
     return element;
@@ -1104,17 +1112,17 @@ Effect.Methods = {
 
 $w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
   'pulsate shake puff squish switchOff dropOut').each(
-  function(effect) { 
+  function(effect) {
     Effect.Methods[effect] = function(element, options){
       element = $(element);
       Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
       return element;
-    }
+    };
   }
 );
 
-$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each( 
+$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
   function(f) { Effect.Methods[f] = Element[f]; }
 );
 
-Element.addMethods(Effect.Methods);
+Element.addMethods(Effect.Methods);
\ No newline at end of file
diff --git a/public/javascripts/prototype.js b/public/javascripts/prototype.js
index 6385503..dfe8ab4 100644
--- a/public/javascripts/prototype.js
+++ b/public/javascripts/prototype.js
@@ -1,4 +1,4 @@
-/*  Prototype JavaScript framework, version 1.6.0.2
+/*  Prototype JavaScript framework, version 1.6.0.3
  *  (c) 2005-2008 Sam Stephenson
  *
  *  Prototype is freely distributable under the terms of an MIT-style license.
@@ -7,23 +7,26 @@
  *--------------------------------------------------------------------------*/
 
 var Prototype = {
-  Version: '1.6.0.2',
+  Version: '1.6.0.3',
 
   Browser: {
-    IE:     !!(window.attachEvent && !window.opera),
-    Opera:  !!window.opera,
+    IE:     !!(window.attachEvent &&
+      navigator.userAgent.indexOf('Opera') === -1),
+    Opera:  navigator.userAgent.indexOf('Opera') > -1,
     WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
-    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1,
+    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 &&
+      navigator.userAgent.indexOf('KHTML') === -1,
     MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
   },
 
   BrowserFeatures: {
     XPath: !!document.evaluate,
+    SelectorsAPI: !!document.querySelector,
     ElementExtensions: !!window.HTMLElement,
     SpecificElementExtensions:
-      document.createElement('div').__proto__ &&
-      document.createElement('div').__proto__ !==
-        document.createElement('form').__proto__
+      document.createElement('div')['__proto__'] &&
+      document.createElement('div')['__proto__'] !==
+        document.createElement('form')['__proto__']
   },
 
   ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
@@ -83,12 +86,13 @@ Class.Methods = {
       var property = properties[i], value = source[property];
       if (ancestor && Object.isFunction(value) &&
           value.argumentNames().first() == "$super") {
-        var method = value, value = Object.extend((function(m) {
+        var method = value;
+        value = (function(m) {
           return function() { return ancestor[m].apply(this, arguments) };
-        })(property).wrap(method), {
-          valueOf:  function() { return method },
-          toString: function() { return method.toString() }
-        });
+        })(property).wrap(method);
+
+        value.valueOf = method.valueOf.bind(method);
+        value.toString = method.toString.bind(method);
       }
       this.prototype[property] = value;
     }
@@ -167,7 +171,7 @@ Object.extend(Object, {
   },
 
   isElement: function(object) {
-    return object && object.nodeType == 1;
+    return !!(object && object.nodeType == 1);
   },
 
   isArray: function(object) {
@@ -198,7 +202,8 @@ Object.extend(Object, {
 
 Object.extend(Function.prototype, {
   argumentNames: function() {
-    var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");
+    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1]
+      .replace(/\s+/g, '').split(',');
     return names.length == 1 && !names[0] ? [] : names;
   },
 
@@ -232,6 +237,11 @@ Object.extend(Function.prototype, {
     }, timeout);
   },
 
+  defer: function() {
+    var args = [0.01].concat($A(arguments));
+    return this.delay.apply(this, args);
+  },
+
   wrap: function(wrapper) {
     var __method = this;
     return function() {
@@ -248,8 +258,6 @@ Object.extend(Function.prototype, {
   }
 });
 
-Function.prototype.defer = Function.prototype.delay.curry(0.01);
-
 Date.prototype.toJSON = function() {
   return '"' + this.getUTCFullYear() + '-' +
     (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
@@ -530,7 +538,7 @@ if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.proto
     return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
   },
   unescapeHTML: function() {
-    return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
+    return this.stripTags().replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
   }
 });
 
@@ -547,7 +555,7 @@ Object.extend(String.prototype.escapeHTML, {
   text: document.createTextNode('')
 });
 
-with (String.prototype.escapeHTML) div.appendChild(text);
+String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text);
 
 var Template = Class.create({
   initialize: function(template, pattern) {
@@ -589,10 +597,9 @@ var $break = { };
 var Enumerable = {
   each: function(iterator, context) {
     var index = 0;
-    iterator = iterator.bind(context);
     try {
       this._each(function(value) {
-        iterator(value, index++);
+        iterator.call(context, value, index++);
       });
     } catch (e) {
       if (e != $break) throw e;
@@ -601,47 +608,46 @@ var Enumerable = {
   },
 
   eachSlice: function(number, iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
     var index = -number, slices = [], array = this.toArray();
+    if (number < 1) return array;
     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;
+    iterator = iterator || Prototype.K;
     var result = true;
     this.each(function(value, index) {
-      result = result && !!iterator(value, index);
+      result = result && !!iterator.call(context, value, index);
       if (!result) throw $break;
     });
     return result;
   },
 
   any: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+    iterator = iterator || Prototype.K;
     var result = false;
     this.each(function(value, index) {
-      if (result = !!iterator(value, index))
+      if (result = !!iterator.call(context, value, index))
         throw $break;
     });
     return result;
   },
 
   collect: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+    iterator = iterator || Prototype.K;
     var results = [];
     this.each(function(value, index) {
-      results.push(iterator(value, index));
+      results.push(iterator.call(context, value, index));
     });
     return results;
   },
 
   detect: function(iterator, context) {
-    iterator = iterator.bind(context);
     var result;
     this.each(function(value, index) {
-      if (iterator(value, index)) {
+      if (iterator.call(context, value, index)) {
         result = value;
         throw $break;
       }
@@ -650,17 +656,16 @@ var Enumerable = {
   },
 
   findAll: function(iterator, context) {
-    iterator = iterator.bind(context);
     var results = [];
     this.each(function(value, index) {
-      if (iterator(value, index))
+      if (iterator.call(context, value, index))
         results.push(value);
     });
     return results;
   },
 
   grep: function(filter, iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+    iterator = iterator || Prototype.K;
     var results = [];
 
     if (Object.isString(filter))
@@ -668,7 +673,7 @@ var Enumerable = {
 
     this.each(function(value, index) {
       if (filter.match(value))
-        results.push(iterator(value, index));
+        results.push(iterator.call(context, value, index));
     });
     return results;
   },
@@ -696,9 +701,8 @@ var Enumerable = {
   },
 
   inject: function(memo, iterator, context) {
-    iterator = iterator.bind(context);
     this.each(function(value, index) {
-      memo = iterator(memo, value, index);
+      memo = iterator.call(context, memo, value, index);
     });
     return memo;
   },
@@ -711,10 +715,10 @@ var Enumerable = {
   },
 
   max: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+    iterator = iterator || Prototype.K;
     var result;
     this.each(function(value, index) {
-      value = iterator(value, index);
+      value = iterator.call(context, value, index);
       if (result == null || value >= result)
         result = value;
     });
@@ -722,10 +726,10 @@ var Enumerable = {
   },
 
   min: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+    iterator = iterator || Prototype.K;
     var result;
     this.each(function(value, index) {
-      value = iterator(value, index);
+      value = iterator.call(context, value, index);
       if (result == null || value < result)
         result = value;
     });
@@ -733,10 +737,10 @@ var Enumerable = {
   },
 
   partition: function(iterator, context) {
-    iterator = iterator ? iterator.bind(context) : Prototype.K;
+    iterator = iterator || Prototype.K;
     var trues = [], falses = [];
     this.each(function(value, index) {
-      (iterator(value, index) ?
+      (iterator.call(context, value, index) ?
         trues : falses).push(value);
     });
     return [trues, falses];
@@ -751,19 +755,20 @@ var Enumerable = {
   },
 
   reject: function(iterator, context) {
-    iterator = iterator.bind(context);
     var results = [];
     this.each(function(value, index) {
-      if (!iterator(value, index))
+      if (!iterator.call(context, value, index))
         results.push(value);
     });
     return results;
   },
 
   sortBy: function(iterator, context) {
-    iterator = iterator.bind(context);
     return this.map(function(value, index) {
-      return {value: value, criteria: iterator(value, index)};
+      return {
+        value: value,
+        criteria: iterator.call(context, value, index)
+      };
     }).sort(function(left, right) {
       var a = left.criteria, b = right.criteria;
       return a < b ? -1 : a > b ? 1 : 0;
@@ -815,8 +820,12 @@ function $A(iterable) {
 if (Prototype.Browser.WebKit) {
   $A = function(iterable) {
     if (!iterable) return [];
-    if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') &&
-        iterable.toArray) return iterable.toArray();
+    // In Safari, only use the `toArray` method if it's not a NodeList.
+    // A NodeList is a function, has an function `item` property, and a numeric
+    // `length` property. Adapted from Google Doctype.
+    if (!(typeof iterable === 'function' && typeof iterable.length ===
+        'number' && typeof iterable.item === 'function') && iterable.toArray)
+      return iterable.toArray();
     var length = iterable.length || 0, results = new Array(length);
     while (length--) results[length] = iterable[length];
     return results;
@@ -963,8 +972,8 @@ Object.extend(Number.prototype, {
     return this + 1;
   },
 
-  times: function(iterator) {
-    $R(0, this, true).each(iterator);
+  times: function(iterator, context) {
+    $R(0, this, true).each(iterator, context);
     return this;
   },
 
@@ -1011,7 +1020,9 @@ var Hash = Class.create(Enumerable, (function() {
     },
 
     get: function(key) {
-      return this._object[key];
+      // simulating poorly supported hasOwnProperty
+      if (this._object[key] !== Object.prototype[key])
+        return this._object[key];
     },
 
     unset: function(key) {
@@ -1051,14 +1062,14 @@ var Hash = Class.create(Enumerable, (function() {
     },
 
     toQueryString: function() {
-      return this.map(function(pair) {
+      return this.inject([], function(results, 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);
+            return results.concat(values.map(toQueryPair.curry(key)));
+        } else results.push(toQueryPair(key, values));
+        return results;
       }).join('&');
     },
 
@@ -1558,6 +1569,7 @@ if (!Node.ELEMENT_NODE) {
     return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
   };
   Object.extend(this.Element, element || { });
+  if (element) this.Element.prototype = element.prototype;
 }).call(window);
 
 Element.cache = { };
@@ -1574,12 +1586,14 @@ Element.Methods = {
   },
 
   hide: function(element) {
-    $(element).style.display = 'none';
+    element = $(element);
+    element.style.display = 'none';
     return element;
   },
 
   show: function(element) {
-    $(element).style.display = '';
+    element = $(element);
+    element.style.display = '';
     return element;
   },
 
@@ -1733,7 +1747,7 @@ Element.Methods = {
     element = $(element);
     if (arguments.length == 1) return element.firstDescendant();
     return Object.isNumber(expression) ? element.descendants()[expression] :
-      element.select(expression)[index || 0];
+      Element.select(element, expression)[index || 0];
   },
 
   previous: function(element, expression, index) {
@@ -1863,24 +1877,16 @@ Element.Methods = {
 
   descendantOf: function(element, ancestor) {
     element = $(element), ancestor = $(ancestor);
-    var originalAncestor = ancestor;
 
     if (element.compareDocumentPosition)
       return (element.compareDocumentPosition(ancestor) & 8) === 8;
 
-    if (element.sourceIndex && !Prototype.Browser.Opera) {
-      var e = element.sourceIndex, a = ancestor.sourceIndex,
-       nextAncestor = ancestor.nextSibling;
-      if (!nextAncestor) {
-        do { ancestor = ancestor.parentNode; }
-        while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode);
-      }
-      if (nextAncestor && nextAncestor.sourceIndex)
-       return (e > a && e < nextAncestor.sourceIndex);
-    }
+    if (ancestor.contains)
+      return ancestor.contains(element) && ancestor !== element;
 
     while (element = element.parentNode)
-      if (element == originalAncestor) return true;
+      if (element == ancestor) return true;
+
     return false;
   },
 
@@ -1895,7 +1901,7 @@ Element.Methods = {
     element = $(element);
     style = style == 'float' ? 'cssFloat' : style.camelize();
     var value = element.style[style];
-    if (!value) {
+    if (!value || value == 'auto') {
       var css = document.defaultView.getComputedStyle(element, null);
       value = css ? css[style] : null;
     }
@@ -1934,7 +1940,7 @@ Element.Methods = {
 
   getDimensions: function(element) {
     element = $(element);
-    var display = $(element).getStyle('display');
+    var display = element.getStyle('display');
     if (display != 'none' && display != null) // Safari bug
       return {width: element.offsetWidth, height: element.offsetHeight};
 
@@ -1963,7 +1969,7 @@ Element.Methods = {
       element.style.position = 'relative';
       // Opera returns the offset relative to the positioning context, when an
       // element is position relative but top and left have not been defined
-      if (window.opera) {
+      if (Prototype.Browser.Opera) {
         element.style.top = 0;
         element.style.left = 0;
       }
@@ -2018,7 +2024,7 @@ Element.Methods = {
       valueL += element.offsetLeft || 0;
       element = element.offsetParent;
       if (element) {
-        if (element.tagName == 'BODY') break;
+        if (element.tagName.toUpperCase() == 'BODY') break;
         var p = Element.getStyle(element, 'position');
         if (p !== 'static') break;
       }
@@ -2028,7 +2034,7 @@ Element.Methods = {
 
   absolutize: function(element) {
     element = $(element);
-    if (element.getStyle('position') == 'absolute') return;
+    if (element.getStyle('position') == 'absolute') return element;
     // Position.prepare(); // To be done manually by Scripty when it needs it.
 
     var offsets = element.positionedOffset();
@@ -2052,7 +2058,7 @@ Element.Methods = {
 
   relativize: function(element) {
     element = $(element);
-    if (element.getStyle('position') == 'relative') return;
+    if (element.getStyle('position') == 'relative') return element;
     // Position.prepare(); // To be done manually by Scripty when it needs it.
 
     element.style.position = 'relative';
@@ -2103,7 +2109,7 @@ Element.Methods = {
 
     element = forElement;
     do {
-      if (!Prototype.Browser.Opera || element.tagName == 'BODY') {
+      if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) {
         valueT -= element.scrollTop  || 0;
         valueL -= element.scrollLeft || 0;
       }
@@ -2218,6 +2224,9 @@ else if (Prototype.Browser.IE) {
   Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
     function(proceed, element) {
       element = $(element);
+      // IE throws an error if element is not in document
+      try { element.offsetParent }
+      catch(e) { return $(document.body) }
       var position = element.getStyle('position');
       if (position !== 'static') return proceed(element);
       element.setStyle({ position: 'relative' });
@@ -2231,6 +2240,8 @@ else if (Prototype.Browser.IE) {
     Element.Methods[method] = Element.Methods[method].wrap(
       function(proceed, element) {
         element = $(element);
+        try { element.offsetParent }
+        catch(e) { return Element._returnOffset(0,0) }
         var position = element.getStyle('position');
         if (position !== 'static') return proceed(element);
         // Trigger hasLayout on the offset parent so that IE6 reports
@@ -2246,6 +2257,14 @@ else if (Prototype.Browser.IE) {
     );
   });
 
+  Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
+    function(proceed, element) {
+      try { element.offsetParent }
+      catch(e) { return Element._returnOffset(0,0) }
+      return proceed(element);
+    }
+  );
+
   Element.Methods.getStyle = function(element, style) {
     element = $(element);
     style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
@@ -2337,7 +2356,7 @@ else if (Prototype.Browser.IE) {
   Element._attributeTranslations.has = {};
 
   $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
-      'encType maxLength readOnly longDesc').each(function(attr) {
+      'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
     Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
     Element._attributeTranslations.has[attr.toLowerCase()] = attr;
   });
@@ -2390,7 +2409,7 @@ else if (Prototype.Browser.WebKit) {
       (value < 0.00001) ? 0 : value;
 
     if (value == 1)
-      if(element.tagName == 'IMG' && element.width) {
+      if(element.tagName.toUpperCase() == 'IMG' && element.width) {
         element.width++; element.width--;
       } else try {
         var n = document.createTextNode(' ');
@@ -2521,7 +2540,7 @@ Element.Methods.Simulated = {
   hasAttribute: function(element, attribute) {
     attribute = Element._attributeTranslations.has[attribute] || attribute;
     var node = $(element).getAttributeNode(attribute);
-    return node && node.specified;
+    return !!(node && node.specified);
   }
 };
 
@@ -2530,9 +2549,9 @@ Element.Methods.ByTag = { };
 Object.extend(Element, Element.Methods);
 
 if (!Prototype.BrowserFeatures.ElementExtensions &&
-    document.createElement('div').__proto__) {
+    document.createElement('div')['__proto__']) {
   window.HTMLElement = { };
-  window.HTMLElement.prototype = document.createElement('div').__proto__;
+  window.HTMLElement.prototype = document.createElement('div')['__proto__'];
   Prototype.BrowserFeatures.ElementExtensions = true;
 }
 
@@ -2547,7 +2566,7 @@ Element.extend = (function() {
         element.nodeType != 1 || element == window) return element;
 
     var methods = Object.clone(Methods),
-      tagName = element.tagName, property, value;
+      tagName = element.tagName.toUpperCase(), property, value;
 
     // extend methods for specific tags
     if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
@@ -2643,7 +2662,7 @@ Element.addMethods = function(methods) {
     if (window[klass]) return window[klass];
 
     window[klass] = { };
-    window[klass].prototype = document.createElement(tagName).__proto__;
+    window[klass].prototype = document.createElement(tagName)['__proto__'];
     return window[klass];
   }
 
@@ -2669,12 +2688,18 @@ Element.addMethods = function(methods) {
 
 document.viewport = {
   getDimensions: function() {
-    var dimensions = { };
-    var B = Prototype.Browser;
+    var dimensions = { }, B = Prototype.Browser;
     $w('width height').each(function(d) {
       var D = d.capitalize();
-      dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] :
-        (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D];
+      if (B.WebKit && !document.evaluate) {
+        // Safari <3.0 needs self.innerWidth/Height
+        dimensions[d] = self['inner' + D];
+      } else if (B.Opera && parseFloat(window.opera.version()) < 9.5) {
+        // Opera <9.5 needs document.body.clientWidth/Height
+        dimensions[d] = document.body['client' + D]
+      } else {
+        dimensions[d] = document.documentElement['client' + D];
+      }
     });
     return dimensions;
   },
@@ -2693,14 +2718,24 @@ document.viewport = {
       window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
   }
 };
-/* Portions of the Selector class are derived from Jack Slocum’s DomQuery,
+/* 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();
+
+    if (this.shouldUseSelectorsAPI()) {
+      this.mode = 'selectorsAPI';
+    } else if (this.shouldUseXPath()) {
+      this.mode = 'xpath';
+      this.compileXPathMatcher();
+    } else {
+      this.mode = "normal";
+      this.compileMatcher();
+    }
+
   },
 
   shouldUseXPath: function() {
@@ -2715,16 +2750,29 @@ var Selector = Class.create({
 
     // XPath can't do namespaced attributes, nor can it read
     // the "checked" property from DOM nodes
-    if ((/(\[[\w-]*?:|:checked)/).test(this.expression))
+    if ((/(\[[\w-]*?:|:checked)/).test(e))
       return false;
 
     return true;
   },
 
-  compileMatcher: function() {
-    if (this.shouldUseXPath())
-      return this.compileXPathMatcher();
+  shouldUseSelectorsAPI: function() {
+    if (!Prototype.BrowserFeatures.SelectorsAPI) return false;
+
+    if (!Selector._div) Selector._div = new Element('div');
+
+    // Make sure the browser treats the selector as valid. Test on an
+    // isolated element to minimize cost of this check.
+    try {
+      Selector._div.querySelector(this.expression);
+    } catch(e) {
+      return false;
+    }
+
+    return true;
+  },
 
+  compileMatcher: function() {
     var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
         c = Selector.criteria, le, p, m;
 
@@ -2742,7 +2790,7 @@ var Selector = Class.create({
         p = ps[i];
         if (m = e.match(p)) {
           this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
-    	      new Template(c[i]).evaluate(m));
+            new Template(c[i]).evaluate(m));
           e = e.replace(m[0], '');
           break;
         }
@@ -2781,8 +2829,27 @@ var Selector = Class.create({
 
   findElements: function(root) {
     root = root || document;
-    if (this.xpath) return document._getElementsByXPath(this.xpath, root);
-    return this.matcher(root);
+    var e = this.expression, results;
+
+    switch (this.mode) {
+      case 'selectorsAPI':
+        // querySelectorAll queries document-wide, then filters to descendants
+        // of the context element. That's not what we want.
+        // Add an explicit context to the selector if necessary.
+        if (root !== document) {
+          var oldId = root.id, id = $(root).identify();
+          e = "#" + id + " " + e;
+        }
+
+        results = $A(root.querySelectorAll(e)).map(Element.extend);
+        root.id = oldId;
+
+        return results;
+      case 'xpath':
+        return document._getElementsByXPath(this.xpath, root);
+      default:
+       return this.matcher(root);
+    }
   },
 
   match: function(element) {
@@ -2873,10 +2940,10 @@ Object.extend(Selector, {
       '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', '') = '')]",
+      'empty':       "[count(*) = 0 and (count(text()) = 0)]",
       'checked':     "[@checked]",
-      'disabled':    "[@disabled]",
-      'enabled':     "[not(@disabled)]",
+      'disabled':    "[(@disabled) and (@type!='hidden')]",
+      'enabled':     "[not(@disabled) and (@type!='hidden')]",
       'not': function(m) {
         var e = m[6], p = Selector.patterns,
             x = Selector.xpath, le, v;
@@ -2968,7 +3035,7 @@ Object.extend(Selector, {
     className:    /^\.([\w\-\*]+)(\b|$)/,
     pseudo:
 /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
-    attrPresence: /^\[([\w]+)\]/,
+    attrPresence: /^\[((?:[\w]+:)?[\w]+)\]/,
     attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
   },
 
@@ -3081,7 +3148,7 @@ Object.extend(Selector, {
 
     nextElementSibling: function(node) {
       while (node = node.nextSibling)
-	      if (node.nodeType == 1) return node;
+        if (node.nodeType == 1) return node;
       return null;
     },
 
@@ -3270,7 +3337,7 @@ Object.extend(Selector, {
     '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;
+        if (node.tagName == '!' || node.firstChild) continue;
         results.push(node);
       }
       return results;
@@ -3288,7 +3355,8 @@ Object.extend(Selector, {
 
     'enabled': function(nodes, value, root) {
       for (var i = 0, results = [], node; node = nodes[i]; i++)
-        if (!node.disabled) results.push(node);
+        if (!node.disabled && (!node.type || node.type !== 'hidden'))
+          results.push(node);
       return results;
     },
 
@@ -3308,11 +3376,14 @@ Object.extend(Selector, {
   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 == v || nv && nv.startsWith(v); },
+    '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
+    '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
     '$=': 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() + '-'); }
+    '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
+     '-').include('-' + (v || "").toUpperCase() + '-'); }
   },
 
   split: function(expression) {
@@ -3386,7 +3457,7 @@ var Form = {
     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 &&
+        if (value != null && element.type != 'file' && (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
@@ -3547,7 +3618,6 @@ Form.Element.Methods = {
 
   disable: function(element) {
     element = $(element);
-    element.blur();
     element.disabled = true;
     return element;
   },
@@ -3587,22 +3657,22 @@ Form.Element.Serializers = {
     else element.value = value;
   },
 
-  select: function(element, index) {
-    if (Object.isUndefined(index))
+  select: function(element, value) {
+    if (Object.isUndefined(value))
       return this[element.type == 'select-one' ?
         'selectOne' : 'selectMany'](element);
     else {
-      var opt, value, single = !Object.isArray(index);
+      var opt, currentValue, single = !Object.isArray(value);
       for (var i = 0, length = element.length; i < length; i++) {
         opt = element.options[i];
-        value = this.optionValue(opt);
+        currentValue = this.optionValue(opt);
         if (single) {
-          if (value == index) {
+          if (currentValue == value) {
             opt.selected = true;
             return;
           }
         }
-        else opt.selected = index.include(value);
+        else opt.selected = value.include(currentValue);
       }
     }
   },
@@ -3773,8 +3843,23 @@ Event.Methods = (function() {
     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);
+      event = Event.extend(event);
+
+      var node          = event.target,
+          type          = event.type,
+          currentTarget = event.currentTarget;
+
+      if (currentTarget && currentTarget.tagName) {
+        // Firefox screws up the "click" event when moving between radio buttons
+        // via arrow keys. It also screws up the "load" and "error" events on images,
+        // reporting the document as the target instead of the original image.
+        if (type === 'load' || type === 'error' ||
+          (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
+            && currentTarget.type === 'radio'))
+              node = currentTarget;
+      }
+      if (node.nodeType == Node.TEXT_NODE) node = node.parentNode;
+      return Element.extend(node);
     },
 
     findElement: function(event, expression) {
@@ -3785,11 +3870,15 @@ Event.Methods = (function() {
     },
 
     pointer: function(event) {
+      var docElement = document.documentElement,
+      body = document.body || { scrollLeft: 0, scrollTop: 0 };
       return {
         x: event.pageX || (event.clientX +
-          (document.documentElement.scrollLeft || document.body.scrollLeft)),
+          (docElement.scrollLeft || body.scrollLeft) -
+          (docElement.clientLeft || 0)),
         y: event.pageY || (event.clientY +
-          (document.documentElement.scrollTop || document.body.scrollTop))
+          (docElement.scrollTop || body.scrollTop) -
+          (docElement.clientTop || 0))
       };
     },
 
@@ -3834,7 +3923,7 @@ Event.extend = (function() {
     };
 
   } else {
-    Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__;
+    Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__'];
     Object.extend(Event.prototype, methods);
     return Prototype.K;
   }
@@ -3899,10 +3988,20 @@ Object.extend(Event, (function() {
         cache[id][eventName] = null;
   }
 
+
+  // Internet Explorer needs to remove event handlers on page unload
+  // in order to avoid memory leaks.
   if (window.attachEvent) {
     window.attachEvent("onunload", destroyCache);
   }
 
+  // Safari has a dummy event handler on page unload so that it won't
+  // use its bfcache. Safari <= 3.1 has an issue with restoring the "document"
+  // object when page is returned to via the back button using its bfcache.
+  if (Prototype.Browser.WebKit) {
+    window.addEventListener('unload', Prototype.emptyFunction, false);
+  }
+
   return {
     observe: function(element, eventName, handler) {
       element = $(element);
