Ran "rake rails:update" to update resources to latest rails 1.2.3 ones.

config/boot.rb

@@ -3,7 +3,7 @@
 unless defined?(RAILS_ROOT)
   root_path = File.join(File.dirname(__FILE__), '..')
 
-  unless RUBY_PLATFORM =~ /mswin32/
+  unless RUBY_PLATFORM =~ /(:?mswin|mingw)/
     require 'pathname'
     root_path = Pathname.new(root_path).cleanpath(true).to_s
   end
@@ -22,23 +22,24 @@ unless defined?(Rails::Initializer)
     rails_gem_version = $1
 
     if version = defined?(RAILS_GEM_VERSION) ? RAILS_GEM_VERSION : rails_gem_version
-      rails_gem = Gem.cache.search('rails', "=#{version}").first
+      # Asking for 1.1.6 will give you 1.1.6.5206, if available -- makes it easier to use beta gems
+      rails_gem = Gem.cache.search('rails', "~>#{version}.0").sort_by { |g| g.version.version }.last
 
       if rails_gem
-        require_gem "rails", "=#{version}"
+        gem "rails", "=#{rails_gem.version.version}"
         require rails_gem.full_gem_path + '/lib/initializer'
       else
-        STDERR.puts %(Cannot find gem for Rails =#{version}:
+        STDERR.puts %(Cannot find gem for Rails ~>#{version}.0:
     Install the missing gem with 'gem install -v=#{version} rails', or
     change environment.rb to define RAILS_GEM_VERSION with your desired version.
   )
         exit 1
       end
     else
-      require_gem "rails"
+      gem "rails"
       require 'initializer'
     end
   end
 
   Rails::Initializer.run(:set_load_path)
-end
+end

public/javascripts/controls.js

@@ -1,12 +1,13 @@
-// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
-//           (c) 2005 Ivan Krstic (http://blogs.law.harvard.edu/ivan)
+//           (c) 2005, 2006 Ivan Krstic (http://blogs.law.harvard.edu/ivan)
-//           (c) 2005 Jon Tirsen (http://www.tirsen.com)
+//           (c) 2005, 2006 Jon Tirsen (http://www.tirsen.com)
 // Contributors:
 //  Richard Livsey
 //  Rahul Bhargava
 //  Rob Wills
 // 
-// See scriptaculous.js for full license.
+// script.aculo.us is freely distributable under the terms of an MIT-style license.
+// For details, see the script.aculo.us web site: http://script.aculo.us/
 
 // Autocompleter.Base handles all the autocompletion functionality 
 // that's independent of the data source for autocompletion. This
@@ -33,6 +34,9 @@
 // useful when one of the tokens is \n (a newline), as it 
 // allows smart autocompletion after linebreaks.
 
+if(typeof Effect == 'undefined')
+  throw("controls.js requires including script.aculo.us' effects.js library");
+
 var Autocompleter = {}
 Autocompleter.Base = function() {};
 Autocompleter.Base.prototype = {
@@ -45,7 +49,7 @@ Autocompleter.Base.prototype = {
     this.index       = 0;     
     this.entryCount  = 0;
 
-    if (this.setOptions)
+    if(this.setOptions)
       this.setOptions(options);
     else
       this.options = options || {};
@@ -55,17 +59,20 @@ Autocompleter.Base.prototype = {
     this.options.frequency    = this.options.frequency || 0.4;
     this.options.minChars     = this.options.minChars || 1;
     this.options.onShow       = this.options.onShow || 
-    function(element, update){ 
+      function(element, update){ 
-      if(!update.style.position || update.style.position=='absolute') {
+        if(!update.style.position || update.style.position=='absolute') {
-        update.style.position = 'absolute';
+          update.style.position = 'absolute';
-        Position.clone(element, update, {setHeight: false, offsetTop: element.offsetHeight});
+          Position.clone(element, update, {
-      }
+            setHeight: false, 
-      Effect.Appear(update,{duration:0.15});
+            offsetTop: element.offsetHeight
-    };
+          });
+        }
+        Effect.Appear(update,{duration:0.15});
+      };
     this.options.onHide = this.options.onHide || 
-    function(element, update){ new Effect.Fade(update,{duration:0.15}) };
+      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);
 
     this.observer = null;
@@ -94,7 +101,7 @@ Autocompleter.Base.prototype = {
   },
   
   fixIEOverlapping: function() {
-    Position.clone(this.update, this.iefix);
+    Position.clone(this.update, this.iefix, {setTop:(!this.update.style.height)});
     this.iefix.style.zIndex = 1;
     this.update.style.zIndex = 2;
     Element.show(this.iefix);
@@ -202,11 +209,13 @@ Autocompleter.Base.prototype = {
   markPrevious: function() {
     if(this.index > 0) this.index--
       else this.index = this.entryCount-1;
+    this.getEntry(this.index).scrollIntoView(true);
   },
   
   markNext: function() {
     if(this.index < this.entryCount-1) this.index++
       else this.index = 0;
+    this.getEntry(this.index).scrollIntoView(false);
   },
   
   getEntry: function(index) {
@@ -254,11 +263,11 @@ Autocompleter.Base.prototype = {
     if(!this.changed && this.hasFocus) {
       this.update.innerHTML = choices;
       Element.cleanWhitespace(this.update);
-      Element.cleanWhitespace(this.update.firstChild);
+      Element.cleanWhitespace(this.update.down());
 
-      if(this.update.firstChild && this.update.firstChild.childNodes) {
+      if(this.update.firstChild && this.update.down().childNodes) {
         this.entryCount = 
-          this.update.firstChild.childNodes.length;
+          this.update.down().childNodes.length;
         for (var i = 0; i < this.entryCount; i++) {
           var entry = this.getEntry(i);
           entry.autocompleteIndex = i;
@@ -269,9 +278,14 @@ Autocompleter.Base.prototype = {
       }
 
       this.stopIndicator();
-
       this.index = 0;
-      this.render();
+      
+      if(this.entryCount==1 && this.options.autoSelect) {
+        this.selectEntry();
+        this.hide();
+      } else {
+        this.render();
+      }
     }
   },
 
@@ -459,6 +473,7 @@ Ajax.InPlaceEditor.prototype = {
     this.element = $(element);
 
     this.options = Object.extend({
+      paramName: "value",
       okButton: true,
       okText: "ok",
       cancelLink: true,
@@ -531,7 +546,7 @@ Ajax.InPlaceEditor.prototype = {
     Element.hide(this.element);
     this.createForm();
     this.element.parentNode.insertBefore(this.form, this.element);
-    Field.scrollFreeActivate(this.editField);
+    if (!this.options.loadTextURL) Field.scrollFreeActivate(this.editField);
     // stop the event to avoid a page refresh in Safari
     if (evt) {
       Event.stop(evt);
@@ -590,7 +605,7 @@ Ajax.InPlaceEditor.prototype = {
       var textField = document.createElement("input");
       textField.obj = this;
       textField.type = "text";
-      textField.name = "value";
+      textField.name = this.options.paramName;
       textField.value = text;
       textField.style.backgroundColor = this.options.highlightcolor;
       textField.className = 'editor_field';
@@ -603,7 +618,7 @@ Ajax.InPlaceEditor.prototype = {
       this.options.textarea = true;
       var textArea = document.createElement("textarea");
       textArea.obj = this;
-      textArea.name = "value";
+      textArea.name = this.options.paramName;
       textArea.value = this.convertHTMLLineBreaks(text);
       textArea.rows = this.options.rows;
       textArea.cols = this.options.cols || 40;
@@ -636,6 +651,7 @@ Ajax.InPlaceEditor.prototype = {
     Element.removeClassName(this.form, this.options.loadingClassName);
     this.editField.disabled = false;
     this.editField.value = transport.responseText.stripTags();
+    Field.scrollFreeActivate(this.editField);
   },
   onclickCancel: function() {
     this.onComplete();
@@ -772,6 +788,8 @@ Object.extend(Ajax.InPlaceCollectionEditor.prototype, {
       collection.each(function(e,i) {
         optionTag = document.createElement("option");
         optionTag.value = (e instanceof Array) ? e[0] : e;
+        if((typeof this.options.value == 'undefined') && 
+          ((e instanceof Array) ? this.element.innerHTML == e[1] : e == optionTag.value)) optionTag.selected = true;
         if(this.options.value==optionTag.value) optionTag.selected = true;
         optionTag.appendChild(document.createTextNode((e instanceof Array) ? e[1] : e));
         selectTag.appendChild(optionTag);

public/javascripts/dragdrop.js

@@ -1,9 +1,11 @@
-// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
-//           (c) 2005 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz)
+//           (c) 2005, 2006 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz)
 // 
-// See scriptaculous.js for full license.
+// script.aculo.us is freely distributable under the terms of an MIT-style license.
+// For details, see the script.aculo.us web site: http://script.aculo.us/
 
-/*--------------------------------------------------------------------------*/
+if(typeof Effect == 'undefined')
+  throw("dragdrop.js requires including script.aculo.us' effects.js library");
 
 var Droppables = {
   drops: [],
@@ -145,8 +147,16 @@ var Draggables = {
   },
   
   activate: function(draggable) {
-    window.focus(); // allows keypress events if window isn't currently focused, fails for Safari
+    if(draggable.options.delay) { 
-    this.activeDraggable = draggable;
+      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() {
@@ -160,10 +170,15 @@ 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.activeDraggable) return;
     this._lastPointer = null;
     this.activeDraggable.endDrag(event);
@@ -190,6 +205,7 @@ var Draggables = {
       this.observers.each( function(o) {
         if(o[eventName]) o[eventName](eventName, draggable, event);
       });
+    if(draggable.options[eventName]) draggable.options[eventName](draggable, event);
   },
   
   _cacheObserverCallbacks: function() {
@@ -204,39 +220,59 @@ var Draggables = {
 /*--------------------------------------------------------------------------*/
 
 var Draggable = Class.create();
+Draggable._dragging    = {};
+
 Draggable.prototype = {
   initialize: function(element) {
-    var options = Object.extend({
+    var defaults = {
       handle: false,
-      starteffect: function(element) { 
-        new Effect.Opacity(element, {duration:0.2, from:1.0, to:0.7}); 
-      },
       reverteffect: function(element, top_offset, left_offset) {
         var dur = Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02;
-        element._revert = new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur});
+        new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur,
+          queue: {scope:'_draggable', position:'end'}
+        });
       },
-      endeffect: function(element) { 
+      endeffect: function(element) {
-        new Effect.Opacity(element, {duration:0.2, from:0.7, to:1.0}); 
+        var toOpacity = typeof element._opacity == 'number' ? element._opacity : 1.0;
+        new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity, 
+          queue: {scope:'_draggable', position:'end'},
+          afterFinish: function(){ 
+            Draggable._dragging[element] = false 
+          }
+        }); 
       },
       zindex: 1000,
       revert: false,
       scroll: false,
       scrollSensitivity: 20,
       scrollSpeed: 15,
-      snap: false   // false, or xy or [x,y] or function(x,y){ return [x,y] }
+      snap: false,  // false, or xy or [x,y] or function(x,y){ return [x,y] }
-    }, arguments[1] || {});
+      delay: 0
+    };
+    
+    if(!arguments[1] || typeof arguments[1].endeffect == 'undefined')
+      Object.extend(defaults, {
+        starteffect: function(element) {
+          element._opacity = Element.getOpacity(element);
+          Draggable._dragging[element] = true;
+          new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7}); 
+        }
+      });
+    
+    var options = Object.extend(defaults, arguments[1] || {});
 
     this.element = $(element);
     
-    if(options.handle && (typeof options.handle == 'string')) {
+    if(options.handle && (typeof options.handle == 'string'))
-      var h = Element.childrenWithClassName(this.element, options.handle, true);
+      this.handle = this.element.down('.'+options.handle, 0);
-      if(h.length>0) this.handle = h[0];
+    
-    }
     if(!this.handle) this.handle = $(options.handle);
     if(!this.handle) this.handle = this.element;
     
-    if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML)
+    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    
 
@@ -262,6 +298,8 @@ Draggable.prototype = {
   },
   
   initDrag: function(event) {
+    if(typeof Draggable._dragging[this.element] != 'undefined' &&
+      Draggable._dragging[this.element]) return;
     if(Event.isLeftClick(event)) {    
       // abort on form elements, fixes a Firefox issue
       var src = Event.element(event);
@@ -272,11 +310,6 @@ Draggable.prototype = {
         src.tagName=='BUTTON' ||
         src.tagName=='TEXTAREA')) return;
         
-      if(this.element._revert) {
-        this.element._revert.cancel();
-        this.element._revert = null;
-      }
-      
       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]) });
@@ -312,6 +345,7 @@ Draggable.prototype = {
     }
     
     Draggables.notify('onStart', this, event);
+        
     if(this.options.starteffect) this.options.starteffect(this.element);
   },
   
@@ -320,6 +354,7 @@ Draggable.prototype = {
     Position.prepare();
     Droppables.show(pointer, this.element);
     Draggables.notify('onDrag', this, event);
+    
     this.draw(pointer);
     if(this.options.change) this.options.change(this);
     
@@ -331,8 +366,8 @@ Draggable.prototype = {
         with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; }
       } else {
         p = Position.page(this.options.scroll);
-        p[0] += this.options.scroll.scrollLeft;
+        p[0] += this.options.scroll.scrollLeft + Position.deltaX;
-        p[1] += this.options.scroll.scrollTop;
+        p[1] += this.options.scroll.scrollTop + Position.deltaY;
         p.push(p[0]+this.options.scroll.offsetWidth);
         p.push(p[1]+this.options.scroll.offsetHeight);
       }
@@ -378,7 +413,7 @@ Draggable.prototype = {
 
     if(this.options.endeffect) 
       this.options.endeffect(this.element);
-
+      
     Draggables.deactivate(this);
     Droppables.reset();
   },
@@ -398,10 +433,15 @@ Draggable.prototype = {
   
   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)) {
+    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;
     }
@@ -412,7 +452,7 @@ Draggable.prototype = {
     
     if(this.options.snap) {
       if(typeof this.options.snap == 'function') {
-        p = this.options.snap(p[0],p[1]);
+        p = this.options.snap(p[0],p[1],this);
       } else {
       if(this.options.snap instanceof Array) {
         p = p.map( function(v, i) {
@@ -428,6 +468,7 @@ Draggable.prototype = {
       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
   },
   
@@ -440,6 +481,7 @@ Draggable.prototype = {
   },
   
   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);
@@ -464,14 +506,16 @@ Draggable.prototype = {
     Position.prepare();
     Droppables.show(Draggables._lastPointer, this.element);
     Draggables.notify('onDrag', this);
-    Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer);
+    if (this._isScrollChild) {
-    Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;
+      Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer);
-    Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;
+      Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;
-    if (Draggables._lastScrollPointer[0] < 0)
+      Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;
-      Draggables._lastScrollPointer[0] = 0;
+      if (Draggables._lastScrollPointer[0] < 0)
-    if (Draggables._lastScrollPointer[1] < 0)
+        Draggables._lastScrollPointer[0] = 0;
-      Draggables._lastScrollPointer[1] = 0;
+      if (Draggables._lastScrollPointer[1] < 0)
-    this.draw(Draggables._lastScrollPointer);
+        Draggables._lastScrollPointer[1] = 0;
+      this.draw(Draggables._lastScrollPointer);
+    }
     
     if(this.options.change) this.options.change(this);
   },
@@ -523,6 +567,8 @@ SortableObserver.prototype = {
 }
 
 var Sortable = {
+  SERIALIZE_RULE: /^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,
+  
   sortables: {},
   
   _findRootElement: function(element) {
@@ -563,12 +609,13 @@ var Sortable = {
       containment: element,    // also takes array of elements (or id's); or false
       handle:      false,      // or a CSS class
       only:        false,
+      delay:       0,
       hoverclass:  null,
       ghosting:    false,
       scroll:      false,
       scrollSensitivity: 20,
       scrollSpeed: 15,
-      format:      /^[^_]*_(.*)$/,
+      format:      this.SERIALIZE_RULE,
       onChange:    Prototype.emptyFunction,
       onUpdate:    Prototype.emptyFunction
     }, arguments[1] || {});
@@ -582,6 +629,7 @@ var Sortable = {
       scroll:      options.scroll,
       scrollSpeed: options.scrollSpeed,
       scrollSensitivity: options.scrollSensitivity,
+      delay:       options.delay,
       ghosting:    options.ghosting,
       constraint:  options.constraint,
       handle:      options.handle };
@@ -610,7 +658,6 @@ var Sortable = {
       tree:        options.tree,
       hoverclass:  options.hoverclass,
       onHover:     Sortable.onHover
-      //greedy:      !options.dropOnEmpty
     }
     
     var options_for_tree = {
@@ -635,7 +682,7 @@ var Sortable = {
     (this.findElements(element, options) || []).each( function(e) {
       // handles are per-draggable
       var handle = options.handle ? 
-        Element.childrenWithClassName(e, options.handle)[0] : e;    
+        $(e).down('.'+options.handle,0) : e;    
       options.draggables.push(
         new Draggable(e, Object.extend(options_for_draggable, { handle: handle })));
       Droppables.add(e, options_for_droppable);
@@ -706,7 +753,7 @@ var Sortable = {
     if(!Element.isParent(dropon, element)) {
       var index;
       
-      var children = Sortable.findElements(dropon, {tag: droponOptions.tag});
+      var children = Sortable.findElements(dropon, {tag: droponOptions.tag, only: droponOptions.only});
       var child = null;
             
       if(children) {
@@ -733,7 +780,7 @@ var Sortable = {
   },
 
   unmark: function() {
-    if(Sortable._marker) Element.hide(Sortable._marker);
+    if(Sortable._marker) Sortable._marker.hide();
   },
 
   mark: function(dropon, position) {
@@ -742,23 +789,21 @@ var Sortable = {
     if(sortable && !sortable.ghosting) return; 
 
     if(!Sortable._marker) {
-      Sortable._marker = $('dropmarker') || document.createElement('DIV');
+      Sortable._marker = 
-      Element.hide(Sortable._marker);
+        ($('dropmarker') || Element.extend(document.createElement('DIV'))).
-      Element.addClassName(Sortable._marker, 'dropmarker');
+          hide().addClassName('dropmarker').setStyle({position:'absolute'});
-      Sortable._marker.style.position = 'absolute';
       document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);
     }    
     var offsets = Position.cumulativeOffset(dropon);
-    Sortable._marker.style.left = offsets[0] + 'px';
+    Sortable._marker.setStyle({left: offsets[0]+'px', top: offsets[1] + 'px'});
-    Sortable._marker.style.top = offsets[1] + 'px';
     
     if(position=='after')
       if(sortable.overlap == 'horizontal') 
-        Sortable._marker.style.left = (offsets[0]+dropon.clientWidth) + 'px';
+        Sortable._marker.setStyle({left: (offsets[0]+dropon.clientWidth) + 'px'});
       else
-        Sortable._marker.style.top = (offsets[1]+dropon.clientHeight) + 'px';
+        Sortable._marker.setStyle({top: (offsets[1]+dropon.clientHeight) + 'px'});
     
-    Element.show(Sortable._marker);
+    Sortable._marker.show();
   },
   
   _tree: function(element, options, parent) {
@@ -773,9 +818,9 @@ var Sortable = {
         id: encodeURIComponent(match ? match[1] : null),
         element: element,
         parent: parent,
-        children: new Array,
+        children: [],
         position: parent.children.length,
-        container: Sortable._findChildrenElement(children[i], options.treeTag.toUpperCase())
+        container: $(children[i]).down(options.treeTag)
       }
       
       /* Get the element containing the children and recurse over it */
@@ -788,17 +833,6 @@ var Sortable = {
     return parent; 
   },
 
-  /* Finds the first element of the given tag type within a parent element.
-    Used for finding the first LI[ST] within a L[IST]I[TEM].*/
-  _findChildrenElement: function (element, containerTag) {
-    if (element && element.hasChildNodes)
-      for (var i = 0; i < element.childNodes.length; ++i)
-        if (element.childNodes[i].tagName == containerTag)
-          return element.childNodes[i];
-  
-    return null;
-  },
-
   tree: function(element) {
     element = $(element);
     var sortableOptions = this.options(element);
@@ -813,12 +847,12 @@ var Sortable = {
     var root = {
       id: null,
       parent: null,
-      children: new Array,
+      children: [],
       container: element,
       position: 0
     }
     
-    return Sortable._tree (element, options, root);
+    return Sortable._tree(element, options, root);
   },
 
   /* Construct a [i] index for a particular node */
@@ -867,7 +901,7 @@ var Sortable = {
     
     if (options.tree) {
       return Sortable.tree(element, arguments[1]).children.map( function (item) {
-        return [name + Sortable._constructIndex(item) + "=" + 
+        return [name + Sortable._constructIndex(item) + "[id]=" + 
                 encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
       }).flatten().join('&');
     } else {
@@ -878,12 +912,10 @@ var Sortable = {
   }
 }
 
-/* Returns true if child is contained within element */
+// 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);
 }
 
@@ -906,8 +938,5 @@ Element.findChildren = function(element, only, recursive, tagName) {
 }
 
 Element.offsetSize = function (element, type) {
-  if (type == 'vertical' || type == 'height')
+  return element['offset' + ((type=='vertical' || type=='height') ? 'Height' : 'Width')];
-    return element.offsetHeight;
+}
-  else
-    return element.offsetWidth;
-}

public/javascripts/effects.js

@@ -1,15 +1,16 @@
-// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+// Copyright (c) 2005, 2006 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
 // Contributors:
 //  Justin Palmer (http://encytemedia.com/)
 //  Mark Pilgrim (http://diveintomark.org/)
 //  Martin Bialasinki
 // 
-// See scriptaculous.js for full license.  
+// script.aculo.us is freely distributable under the terms of an MIT-style license.
+// For details, see the script.aculo.us web site: http://script.aculo.us/ 
 
 // converts rgb() and #xxx to #xxxxxx format,  
 // returns self (or first argument) if not convertable  
 String.prototype.parseColor = function() {  
-  var color = '#';  
+  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);  
@@ -41,15 +42,17 @@ Element.collectTextNodesIgnoreClass = function(element, className) {
 
 Element.setContentZoom = function(element, percent) {
   element = $(element);  
-  Element.setStyle(element, {fontSize: (percent/100) + 'em'});   
+  element.setStyle({fontSize: (percent/100) + 'em'});   
   if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
+  return element;
 }
 
-Element.getOpacity = function(element){  
+Element.getOpacity = function(element){
+  element = $(element);
   var opacity;
-  if (opacity = Element.getStyle(element, 'opacity'))  
+  if (opacity = element.getStyle('opacity'))  
     return parseFloat(opacity);  
-  if (opacity = (Element.getStyle(element, 'filter') || '').match(/alpha\(opacity=(.*)\)/))  
+  if (opacity = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))  
     if(opacity[1]) return parseFloat(opacity[1]) / 100;  
   return 1.0;  
 }
@@ -57,34 +60,26 @@ Element.getOpacity = function(element){
 Element.setOpacity = function(element, value){  
   element= $(element);  
   if (value == 1){
-    Element.setStyle(element, { opacity: 
+    element.setStyle({ opacity: 
       (/Gecko/.test(navigator.userAgent) && !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 
-      0.999999 : null });
+      0.999999 : 1.0 });
-    if(/MSIE/.test(navigator.userAgent))  
+    if(/MSIE/.test(navigator.userAgent) && !window.opera)  
-      Element.setStyle(element, {filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'')});  
+      element.setStyle({filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'')});  
   } else {  
     if(value < 0.00001) value = 0;  
-    Element.setStyle(element, {opacity: value});
+    element.setStyle({opacity: value});
-    if(/MSIE/.test(navigator.userAgent))  
+    if(/MSIE/.test(navigator.userAgent) && !window.opera)  
-     Element.setStyle(element, 
+      element.setStyle(
-       { filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'') +
+        { filter: element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'') +
-                 'alpha(opacity='+value*100+')' });  
+            'alpha(opacity='+value*100+')' });  
   }
+  return element;
 }  
  
 Element.getInlineOpacity = function(element){  
   return $(element).style.opacity || '';
 }  
 
-Element.childrenWithClassName = function(element, className, findFirst) {
-  var classNameRegExp = new RegExp("(^|\\s)" + className + "(\\s|$)");
-  var results = $A($(element).getElementsByTagName('*'))[findFirst ? 'detect' : 'select']( function(c) { 
-    return (c.className && c.className.match(classNameRegExp));
-  });
-  if(!results) results = [];
-  return results;
-}
-
 Element.forceRerendering = function(element) {
   try {
     element = $(element);
@@ -104,9 +99,17 @@ Array.prototype.call = function() {
 /*--------------------------------------------------------------------------*/
 
 var Effect = {
+  _elementDoesNotExistError: {
+    name: 'ElementDoesNotExistError',
+    message: 'The specified DOM element does not exist, but is required for this effect to operate'
+  },
   tagifyText: function(element) {
+    if(typeof Builder == 'undefined')
+      throw("Effect.tagifyText requires including script.aculo.us' builder.js library");
+      
     var tagifyStyle = 'position:relative';
-    if(/MSIE/.test(navigator.userAgent)) tagifyStyle += ';zoom:1';
+    if(/MSIE/.test(navigator.userAgent) && !window.opera) tagifyStyle += ';zoom:1';
+    
     element = $(element);
     $A(element.childNodes).each( function(child) {
       if(child.nodeType==3) {
@@ -159,33 +162,35 @@ var Effect2 = Effect; // deprecated
 
 /* ------------- transitions ------------- */
 
-Effect.Transitions = {}
+Effect.Transitions = {
-
+  linear: Prototype.K,
-Effect.Transitions.linear = function(pos) {
+  sinoidal: function(pos) {
-  return pos;
+    return (-Math.cos(pos*Math.PI)/2) + 0.5;
-}
+  },
-Effect.Transitions.sinoidal = function(pos) {
+  reverse: function(pos) {
-  return (-Math.cos(pos*Math.PI)/2) + 0.5;
+    return 1-pos;
-}
+  },
-Effect.Transitions.reverse  = function(pos) {
+  flicker: function(pos) {
-  return 1-pos;
+    return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
-}
+  },
-Effect.Transitions.flicker = function(pos) {
+  wobble: function(pos) {
-  return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
+    return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
-}
+  },
-Effect.Transitions.wobble = function(pos) {
+  pulse: function(pos, pulses) { 
-  return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
+    pulses = pulses || 5; 
-}
+    return (
-Effect.Transitions.pulse = function(pos) {
+      Math.round((pos % (1/pulses)) * pulses) == 0 ? 
-  return (Math.floor(pos*10) % 2 == 0 ? 
+            ((pos * pulses * 2) - Math.floor(pos * pulses * 2)) : 
-    (pos*10-Math.floor(pos*10)) : 1-(pos*10-Math.floor(pos*10)));
+        1 - ((pos * pulses * 2) - Math.floor(pos * pulses * 2))
-}
+      );
-Effect.Transitions.none = function(pos) {
+  },
-  return 0;
+  none: function(pos) {
-}
+    return 0;
-Effect.Transitions.full = function(pos) {
+  },
-  return 1;
+  full: function(pos) {
-}
+    return 1;
+  }
+};
 
 /* ------------- core effects ------------- */
 
@@ -212,6 +217,9 @@ Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), {
             e.finishOn += effect.finishOn;
           });
         break;
+      case 'with-last':
+        timestamp = this.effects.pluck('startOn').max() || timestamp;
+        break;
       case 'end':
         // start effect after last queued effect has finished
         timestamp = this.effects.pluck('finishOn').max() || timestamp;
@@ -348,12 +356,24 @@ Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {
   }
 });
 
+Effect.Event = Class.create();
+Object.extend(Object.extend(Effect.Event.prototype, Effect.Base.prototype), {
+  initialize: function() {
+    var options = Object.extend({
+      duration: 0
+    }, arguments[0] || {});
+    this.start(options);
+  },
+  update: Prototype.emptyFunction
+});
+
 Effect.Opacity = Class.create();
 Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {
   initialize: function(element) {
     this.element = $(element);
+    if(!this.element) throw(Effect._elementDoesNotExistError);
     // make this work on IE on elements without 'layout'
-    if(/MSIE/.test(navigator.userAgent) && (!this.element.hasLayout))
+    if(/MSIE/.test(navigator.userAgent) && !window.opera && (!this.element.currentStyle.hasLayout))
       this.element.setStyle({zoom: 1});
     var options = Object.extend({
       from: this.element.getOpacity() || 0.0,
@@ -370,6 +390,7 @@ Effect.Move = Class.create();
 Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {
   initialize: function(element) {
     this.element = $(element);
+    if(!this.element) throw(Effect._elementDoesNotExistError);
     var options = Object.extend({
       x:    0,
       y:    0,
@@ -393,8 +414,8 @@ Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {
   },
   update: function(position) {
     this.element.setStyle({
-      left: this.options.x  * position + this.originalLeft + 'px',
+      left: Math.round(this.options.x  * position + this.originalLeft) + 'px',
-      top:  this.options.y  * position + this.originalTop  + 'px'
+      top:  Math.round(this.options.y  * position + this.originalTop)  + 'px'
     });
   }
 });
@@ -408,7 +429,8 @@ Effect.MoveBy = function(element, toTop, toLeft) {
 Effect.Scale = Class.create();
 Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
   initialize: function(element, percent) {
-    this.element = $(element)
+    this.element = $(element);
+    if(!this.element) throw(Effect._elementDoesNotExistError);
     var options = Object.extend({
       scaleX: true,
       scaleY: true,
@@ -433,7 +455,7 @@ Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
     this.originalLeft = this.element.offsetLeft;
     
     var fontSize = this.element.getStyle('font-size') || '100%';
-    ['em','px','%'].each( function(fontSizeType) {
+    ['em','px','%','pt'].each( function(fontSizeType) {
       if(fontSize.indexOf(fontSizeType)>0) {
         this.fontSize     = parseFloat(fontSize);
         this.fontSizeType = fontSizeType;
@@ -458,12 +480,12 @@ Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
     this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
   },
   finish: function(position) {
-    if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
+    if(this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
   },
   setDimensions: function(height, width) {
     var d = {};
-    if(this.options.scaleX) d.width = width + 'px';
+    if(this.options.scaleX) d.width = Math.round(width) + 'px';
-    if(this.options.scaleY) d.height = height + 'px';
+    if(this.options.scaleY) d.height = Math.round(height) + 'px';
     if(this.options.scaleFromCenter) {
       var topd  = (height - this.dims[0])/2;
       var leftd = (width  - this.dims[1])/2;
@@ -483,6 +505,7 @@ Effect.Highlight = Class.create();
 Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {
   initialize: function(element) {
     this.element = $(element);
+    if(!this.element) throw(Effect._elementDoesNotExistError);
     var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || {});
     this.start(options);
   },
@@ -547,8 +570,7 @@ Effect.Fade = function(element) {
   to:   0.0,
   afterFinishInternal: function(effect) { 
     if(effect.options.to!=0) return;
-    effect.element.hide();
+    effect.element.hide().setStyle({opacity: oldOpacity}); 
-    effect.element.setStyle({opacity: oldOpacity}); 
   }}, arguments[1] || {});
   return new Effect.Opacity(element,options);
 }
@@ -563,25 +585,31 @@ Effect.Appear = function(element) {
     effect.element.forceRerendering();
   },
   beforeSetup: function(effect) {
-    effect.element.setOpacity(effect.options.from);
+    effect.element.setOpacity(effect.options.from).show(); 
-    effect.element.show(); 
   }}, arguments[1] || {});
   return new Effect.Opacity(element,options);
 }
 
 Effect.Puff = function(element) {
   element = $(element);
-  var oldStyle = { opacity: element.getInlineOpacity(), position: element.getStyle('position') };
+  var oldStyle = { 
+    opacity: element.getInlineOpacity(), 
+    position: element.getStyle('position'),
+    top:  element.style.top,
+    left: element.style.left,
+    width: element.style.width,
+    height: element.style.height
+  };
   return new Effect.Parallel(
    [ new Effect.Scale(element, 200, 
       { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }), 
      new Effect.Opacity(element, { sync: true, to: 0.0 } ) ], 
      Object.extend({ duration: 1.0, 
       beforeSetupInternal: function(effect) {
-        effect.effects[0].element.setStyle({position: 'absolute'}); },
+        Position.absolutize(effect.effects[0].element)
+      },
       afterFinishInternal: function(effect) {
-         effect.effects[0].element.hide();
+         effect.effects[0].element.hide().setStyle(oldStyle); }
-         effect.effects[0].element.setStyle(oldStyle); }
      }, arguments[1] || {})
    );
 }
@@ -589,13 +617,12 @@ Effect.Puff = function(element) {
 Effect.BlindUp = function(element) {
   element = $(element);
   element.makeClipping();
-  return new Effect.Scale(element, 0, 
+  return new Effect.Scale(element, 0,
     Object.extend({ scaleContent: false, 
       scaleX: false, 
       restoreAfterFinish: true,
       afterFinishInternal: function(effect) {
-        effect.element.hide();
+        effect.element.hide().undoClipping();
-        effect.element.undoClipping();
       } 
     }, arguments[1] || {})
   );
@@ -604,28 +631,25 @@ Effect.BlindUp = function(element) {
 Effect.BlindDown = function(element) {
   element = $(element);
   var elementDimensions = element.getDimensions();
-  return new Effect.Scale(element, 100, 
+  return new Effect.Scale(element, 100, Object.extend({ 
-    Object.extend({ scaleContent: false, 
+    scaleContent: false, 
-      scaleX: false,
+    scaleX: false,
-      scaleFrom: 0,
+    scaleFrom: 0,
-      scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
+    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
-      restoreAfterFinish: true,
+    restoreAfterFinish: true,
-      afterSetup: function(effect) {
+    afterSetup: function(effect) {
-        effect.element.makeClipping();
+      effect.element.makeClipping().setStyle({height: '0px'}).show(); 
-        effect.element.setStyle({height: '0px'});
+    },  
-        effect.element.show(); 
+    afterFinishInternal: function(effect) {
-      },  
+      effect.element.undoClipping();
-      afterFinishInternal: function(effect) {
+    }
-        effect.element.undoClipping();
+  }, arguments[1] || {}));
-      }
-    }, arguments[1] || {})
-  );
 }
 
 Effect.SwitchOff = function(element) {
   element = $(element);
   var oldOpacity = element.getInlineOpacity();
-  return new Effect.Appear(element, { 
+  return new Effect.Appear(element, Object.extend({
     duration: 0.4,
     from: 0,
     transition: Effect.Transitions.flicker,
@@ -634,18 +658,14 @@ Effect.SwitchOff = function(element) {
         duration: 0.3, scaleFromCenter: true,
         scaleX: false, scaleContent: false, restoreAfterFinish: true,
         beforeSetup: function(effect) { 
-          effect.element.makePositioned();
+          effect.element.makePositioned().makeClipping();
-          effect.element.makeClipping();
         },
         afterFinishInternal: function(effect) {
-          effect.element.hide();
+          effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
-          effect.element.undoClipping();
-          effect.element.undoPositioned();
-          effect.element.setStyle({opacity: oldOpacity});
         }
       })
     }
-  });
+  }, arguments[1] || {}));
 }
 
 Effect.DropOut = function(element) {
@@ -663,9 +683,7 @@ Effect.DropOut = function(element) {
           effect.effects[0].element.makePositioned(); 
         },
         afterFinishInternal: function(effect) {
-          effect.effects[0].element.hide();
+          effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
-          effect.effects[0].element.undoPositioned();
-          effect.effects[0].element.setStyle(oldStyle);
         } 
       }, arguments[1] || {}));
 }
@@ -687,54 +705,42 @@ Effect.Shake = function(element) {
       { x:  40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
     new Effect.Move(effect.element,
       { x: -20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
-        effect.element.undoPositioned();
+        effect.element.undoPositioned().setStyle(oldStyle);
-        effect.element.setStyle(oldStyle);
   }}) }}) }}) }}) }}) }});
 }
 
 Effect.SlideDown = function(element) {
-  element = $(element);
+  element = $(element).cleanWhitespace();
-  element.cleanWhitespace();
   // SlideDown need to have the content of the element wrapped in a container element with fixed height!
-  var oldInnerBottom = $(element.firstChild).getStyle('bottom');
+  var oldInnerBottom = element.down().getStyle('bottom');
   var elementDimensions = element.getDimensions();
   return new Effect.Scale(element, 100, Object.extend({ 
     scaleContent: false, 
     scaleX: false, 
-    scaleFrom: 0,
+    scaleFrom: window.opera ? 0 : 1,
     scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
     restoreAfterFinish: true,
     afterSetup: function(effect) {
       effect.element.makePositioned();
-      effect.element.firstChild.makePositioned();
+      effect.element.down().makePositioned();
       if(window.opera) effect.element.setStyle({top: ''});
-      effect.element.makeClipping();
+      effect.element.makeClipping().setStyle({height: '0px'}).show(); 
-      effect.element.setStyle({height: '0px'});
+    },
-      effect.element.show(); },
     afterUpdateInternal: function(effect) {
-      effect.element.firstChild.setStyle({bottom:
+      effect.element.down().setStyle({bottom:
         (effect.dims[0] - effect.element.clientHeight) + 'px' }); 
     },
     afterFinishInternal: function(effect) {
-      effect.element.undoClipping(); 
+      effect.element.undoClipping().undoPositioned();
-      // IE will crash if child is undoPositioned first
+      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
-      if(/MSIE/.test(navigator.userAgent)){
-        effect.element.undoPositioned();
-        effect.element.firstChild.undoPositioned();
-      }else{
-        effect.element.firstChild.undoPositioned();
-        effect.element.undoPositioned();
-      }
-      effect.element.firstChild.setStyle({bottom: oldInnerBottom}); }
     }, arguments[1] || {})
   );
 }
-  
+
 Effect.SlideUp = function(element) {
-  element = $(element);
+  element = $(element).cleanWhitespace();
-  element.cleanWhitespace();
+  var oldInnerBottom = element.down().getStyle('bottom');
-  var oldInnerBottom = $(element.firstChild).getStyle('bottom');
+  return new Effect.Scale(element, window.opera ? 0 : 1,
-  return new Effect.Scale(element, 0, 
    Object.extend({ scaleContent: false, 
     scaleX: false, 
     scaleMode: 'box',
@@ -742,32 +748,32 @@ Effect.SlideUp = function(element) {
     restoreAfterFinish: true,
     beforeStartInternal: function(effect) {
       effect.element.makePositioned();
-      effect.element.firstChild.makePositioned();
+      effect.element.down().makePositioned();
       if(window.opera) effect.element.setStyle({top: ''});
-      effect.element.makeClipping();
+      effect.element.makeClipping().show();
-      effect.element.show(); },  
+    },  
     afterUpdateInternal: function(effect) {
-      effect.element.firstChild.setStyle({bottom:
+      effect.element.down().setStyle({bottom:
-        (effect.dims[0] - effect.element.clientHeight) + 'px' }); },
+        (effect.dims[0] - effect.element.clientHeight) + 'px' });
+    },
     afterFinishInternal: function(effect) {
-      effect.element.hide();
+      effect.element.hide().undoClipping().undoPositioned().setStyle({bottom: oldInnerBottom});
-      effect.element.undoClipping();
+      effect.element.down().undoPositioned();
-      effect.element.firstChild.undoPositioned();
+    }
-      effect.element.undoPositioned();
-      effect.element.setStyle({bottom: oldInnerBottom}); }
    }, arguments[1] || {})
   );
 }
 
 // Bug in opera makes the TD containing this element expand for a instance after finish 
 Effect.Squish = function(element) {
-  return new Effect.Scale(element, window.opera ? 1 : 0, 
+  return new Effect.Scale(element, window.opera ? 1 : 0, { 
-    { restoreAfterFinish: true,
+    restoreAfterFinish: true,
-      beforeSetup: function(effect) {
+    beforeSetup: function(effect) {
-        effect.element.makeClipping(effect.element); },  
+      effect.element.makeClipping(); 
-      afterFinishInternal: function(effect) {
+    },  
-        effect.element.hide(effect.element); 
+    afterFinishInternal: function(effect) {
-        effect.element.undoClipping(effect.element); }
+      effect.element.hide().undoClipping(); 
+    }
   });
 }
 
@@ -823,9 +829,7 @@ Effect.Grow = function(element) {
     y: initialMoveY,
     duration: 0.01, 
     beforeSetup: function(effect) {
-      effect.element.hide();
+      effect.element.hide().makeClipping().makePositioned();
-      effect.element.makeClipping();
-      effect.element.makePositioned();
     },
     afterFinishInternal: function(effect) {
       new Effect.Parallel(
@@ -836,13 +840,10 @@ Effect.Grow = function(element) {
             sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
         ], Object.extend({
              beforeSetup: function(effect) {
-               effect.effects[0].element.setStyle({height: '0px'});
+               effect.effects[0].element.setStyle({height: '0px'}).show(); 
-               effect.effects[0].element.show(); 
              },
              afterFinishInternal: function(effect) {
-               effect.effects[0].element.undoClipping();
+               effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle); 
-               effect.effects[0].element.undoPositioned();
-               effect.effects[0].element.setStyle(oldStyle); 
              }
            }, options)
       )
@@ -896,13 +897,10 @@ Effect.Shrink = function(element) {
       new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
     ], Object.extend({            
          beforeStartInternal: function(effect) {
-           effect.effects[0].element.makePositioned();
+           effect.effects[0].element.makePositioned().makeClipping(); 
-           effect.effects[0].element.makeClipping(); },
+         },
          afterFinishInternal: function(effect) {
-           effect.effects[0].element.hide();
+           effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
-           effect.effects[0].element.undoClipping();
-           effect.effects[0].element.undoPositioned();
-           effect.effects[0].element.setStyle(oldStyle); }
        }, options)
   );
 }
@@ -912,10 +910,10 @@ Effect.Pulsate = function(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)) };
+  var reverser   = function(pos){ return transition(1-Effect.Transitions.pulse(pos, options.pulses)) };
   reverser.bind(transition);
   return new Effect.Opacity(element, 
-    Object.extend(Object.extend({  duration: 3.0, from: 0,
+    Object.extend(Object.extend({  duration: 2.0, from: 0,
       afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
     }, options), {transition: reverser}));
 }
@@ -927,7 +925,7 @@ Effect.Fold = function(element) {
     left: element.style.left,
     width: element.style.width,
     height: element.style.height };
-  Element.makeClipping(element);
+  element.makeClipping();
   return new Effect.Scale(element, 5, Object.extend({   
     scaleContent: false,
     scaleX: false,
@@ -936,15 +934,147 @@ Effect.Fold = function(element) {
       scaleContent: false, 
       scaleY: false,
       afterFinishInternal: function(effect) {
-        effect.element.hide();
+        effect.element.hide().undoClipping().setStyle(oldStyle);
-        effect.element.undoClipping(); 
-        effect.element.setStyle(oldStyle);
       } });
   }}, arguments[1] || {}));
 };
 
+Effect.Morph = Class.create();
+Object.extend(Object.extend(Effect.Morph.prototype, Effect.Base.prototype), {
+  initialize: function(element) {
+    this.element = $(element);
+    if(!this.element) throw(Effect._elementDoesNotExistError);
+    var options = Object.extend({
+      style: ''
+    }, arguments[1] || {});
+    this.start(options);
+  },
+  setup: function(){
+    function parseColor(color){
+      if(!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
+      color = color.parseColor();
+      return $R(0,2).map(function(i){
+        return parseInt( color.slice(i*2+1,i*2+3), 16 ) 
+      });
+    }
+    this.transforms = this.options.style.parseStyle().map(function(property){
+      var originalValue = this.element.getStyle(property[0]);
+      return $H({ 
+        style: property[0], 
+        originalValue: property[1].unit=='color' ? 
+          parseColor(originalValue) : parseFloat(originalValue || 0), 
+        targetValue: property[1].unit=='color' ? 
+          parseColor(property[1].value) : property[1].value,
+        unit: property[1].unit
+      });
+    }.bind(this)).reject(function(transform){
+      return (
+        (transform.originalValue == transform.targetValue) ||
+        (
+          transform.unit != 'color' &&
+          (isNaN(transform.originalValue) || isNaN(transform.targetValue))
+        )
+      )
+    });
+  },
+  update: function(position) {
+    var style = $H(), value = null;
+    this.transforms.each(function(transform){
+      value = transform.unit=='color' ?
+        $R(0,2).inject('#',function(m,v,i){
+          return m+(Math.round(transform.originalValue[i]+
+            (transform.targetValue[i] - transform.originalValue[i])*position)).toColorPart() }) : 
+        transform.originalValue + Math.round(
+          ((transform.targetValue - transform.originalValue) * position) * 1000)/1000 + transform.unit;
+      style[transform.style] = value;
+    });
+    this.element.setStyle(style);
+  }
+});
+
+Effect.Transform = Class.create();
+Object.extend(Effect.Transform.prototype, {
+  initialize: function(tracks){
+    this.tracks  = [];
+    this.options = arguments[1] || {};
+    this.addTracks(tracks);
+  },
+  addTracks: function(tracks){
+    tracks.each(function(track){
+      var data = $H(track).values().first();
+      this.tracks.push($H({
+        ids:     $H(track).keys().first(),
+        effect:  Effect.Morph,
+        options: { style: data }
+      }));
+    }.bind(this));
+    return this;
+  },
+  play: function(){
+    return new Effect.Parallel(
+      this.tracks.map(function(track){
+        var elements = [$(track.ids) || $$(track.ids)].flatten();
+        return elements.map(function(e){ return new track.effect(e, Object.extend({ sync:true }, track.options)) });
+      }).flatten(),
+      this.options
+    );
+  }
+});
+
+Element.CSS_PROPERTIES = ['azimuth', 'backgroundAttachment', 'backgroundColor', 'backgroundImage', 
+  'backgroundPosition', 'backgroundRepeat', 'borderBottomColor', 'borderBottomStyle', 
+  'borderBottomWidth', 'borderCollapse', 'borderLeftColor', 'borderLeftStyle', 'borderLeftWidth',
+  'borderRightColor', 'borderRightStyle', 'borderRightWidth', 'borderSpacing', 'borderTopColor',
+  'borderTopStyle', 'borderTopWidth', 'bottom', 'captionSide', 'clear', 'clip', 'color', 'content',
+  'counterIncrement', 'counterReset', 'cssFloat', 'cueAfter', 'cueBefore', 'cursor', 'direction',
+  'display', 'elevation', 'emptyCells', 'fontFamily', 'fontSize', 'fontSizeAdjust', 'fontStretch',
+  'fontStyle', 'fontVariant', 'fontWeight', 'height', 'left', 'letterSpacing', 'lineHeight',
+  'listStyleImage', 'listStylePosition', 'listStyleType', 'marginBottom', 'marginLeft', 'marginRight',
+  'marginTop', 'markerOffset', 'marks', 'maxHeight', 'maxWidth', 'minHeight', 'minWidth', 'opacity',
+  'orphans', 'outlineColor', 'outlineOffset', 'outlineStyle', 'outlineWidth', 'overflowX', 'overflowY',
+  'paddingBottom', 'paddingLeft', 'paddingRight', 'paddingTop', 'page', 'pageBreakAfter', 'pageBreakBefore',
+  'pageBreakInside', 'pauseAfter', 'pauseBefore', 'pitch', 'pitchRange', 'position', 'quotes',
+  'richness', 'right', 'size', 'speakHeader', 'speakNumeral', 'speakPunctuation', 'speechRate', 'stress',
+  'tableLayout', 'textAlign', 'textDecoration', 'textIndent', 'textShadow', 'textTransform', 'top',
+  'unicodeBidi', 'verticalAlign', 'visibility', 'voiceFamily', 'volume', 'whiteSpace', 'widows',
+  'width', 'wordSpacing', 'zIndex'];
+  
+Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
+
+String.prototype.parseStyle = function(){
+  var element = Element.extend(document.createElement('div'));
+  element.innerHTML = '<div style="' + this + '"></div>';
+  var style = element.down().style, styleRules = $H();
+  
+  Element.CSS_PROPERTIES.each(function(property){
+   if(style[property]) styleRules[property] = style[property]; 
+  });
+  
+  var result = $H();
+  
+  styleRules.each(function(pair){
+    var property = pair[0], value = pair[1], unit = null;
+    
+    if(value.parseColor('#zzzzzz') != '#zzzzzz') {
+      value = value.parseColor();
+      unit  = 'color';
+    } else if(Element.CSS_LENGTH.test(value)) 
+      var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/),
+          value = parseFloat(components[1]), unit = (components.length == 3) ? components[2] : null;
+    
+    result[property.underscore().dasherize()] = $H({ value:value, unit:unit });
+  }.bind(this));
+  
+  return result;
+};
+
+Element.morph = function(element, style) {
+  new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || {}));
+  return element;
+};
+
 ['setOpacity','getOpacity','getInlineOpacity','forceRerendering','setContentZoom',
- 'collectTextNodes','collectTextNodesIgnoreClass','childrenWithClassName'].each( 
+ 'collectTextNodes','collectTextNodesIgnoreClass','morph'].each( 
   function(f) { Element.Methods[f] = Element[f]; }
 );