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+recursive-include tw/yui/templates *
+recursive-include tw/yui/static *
+# -*- coding: utf-8 -*-
+#
+# Fooo documentation build configuration file, created by
+# sphinx-quickstart on Wed May 14 19:27:33 2008.
+#
+# This file is execfile()d with the current directory set to its containing dir.
+#
+# The contents of this file are pickled, so don't put values in the namespace
+# that aren't pickleable (module imports are okay, they're removed automatically).
+#
+# All configuration values have a default value; values that are commented out
+# serve to show the default value.
+
+import sys, os
+import pkg_resources
+execfile(os.path.join("..", "tw", "yui", "release.py"))
+
+# If your extensions are in another directory, add it here. If the directory
+# is relative to the documentation root, use os.path.abspath to make it
+# absolute, like shown here.
+#sys.path.append(os.path.abspath('some/directory'))
+
+# General configuration
+# ---------------------
+
+# Add any Sphinx extension module names here, as strings. They can be extensions
+# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
+extensions = ['sphinx.ext.autodoc']
+
+# Try to add WidgetBrowser's extension if installed
+try:
+    from widgetbrowser import sphinx_ext
+    extensions.append('widgetbrowser.sphinx_ext')
+except ImportError:
+    print >> sys.stderr, "WidgetBrowser is not available..."
+
+# Add any paths that contain templates here, relative to this directory.
+templates_path = []
+
+# The suffix of source filenames.
+source_suffix = '.rst'
+
+# The master toctree document.
+master_doc = 'index'
+
+# General substitutions.
+project = __DISTRIBUTION__
+copyright = __COPYRIGHT__
+
+# The default replacements for |version| and |release|, also used in various
+# other places throughout the built documents.
+#
+# The short X.Y version.
+version = __VERSION__
+# The full version, including alpha/beta/rc tags.
+release = pkg_resources.get_distribution(__DISTRIBUTION__).version
+# There are two options for replacing |today|: either, you set today to some
+# non-false value, then it is used:
+#today = ''
+# Else, today_fmt is used as the format for a strftime call.
+today_fmt = '%B %d, %Y'
+
+# List of documents that shouldn't be included in the build.
+#unused_docs = []
+
+# If true, '()' will be appended to :func: etc. cross-reference text.
+#add_function_parentheses = True
+
+# If true, the current module name will be prepended to all description
+# unit titles (such as .. function::).
+#add_module_names = True
+
+# If true, sectionauthor and moduleauthor directives will be shown in the
+# output. They are ignored by default.
+#show_authors = False
+
+# The name of the Pygments (syntax highlighting) style to use.
+pygments_style = 'sphinx'
+
+
+# Options for HTML output
+# -----------------------
+
+# The style sheet to use for HTML and HTML Help pages. A file of that name
+# must exist either in Sphinx' static/ path, or in one of the custom paths
+# given in html_static_path.
+html_style = 'default.css'
+
+# The name for this set of Sphinx documents.  If None, it defaults to
+# "<project> v<release> documentation".
+#html_title = None
+
+# The name of an image file (within the static path) to place at the top of
+# the sidebar.
+#html_logo = None
+
+# Add any paths that contain custom static files (such as style sheets) here,
+# relative to this directory. They are copied after the builtin static files,
+# so a file named "default.css" will overwrite the builtin "default.css".
+html_static_path = []
+
+# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
+# using the given strftime format.
+html_last_updated_fmt = '%b %d, %Y'
+
+# If true, SmartyPants will be used to convert quotes and dashes to
+# typographically correct entities.
+#html_use_smartypants = True
+
+# Custom sidebar templates, maps document names to template names.
+#html_sidebars = {}
+
+# Additional templates that should be rendered to pages, maps page names to
+# template names.
+#html_additional_pages = {}
+
+# If false, no module index is generated.
+#html_use_modindex = True
+
+# If true, the reST sources are included in the HTML build as _sources/<name>.
+#html_copy_source = True
+
+# If true, an OpenSearch description file will be output, and all pages will
+# contain a <link> tag referring to it.
+#html_use_opensearch = False
+
+# Output file base name for HTML help builder.
+htmlhelp_basename = __DISTRIBUTION__ + 'doc'
+
+
+# Options for LaTeX output
+# ------------------------
+
+# The paper size ('letter' or 'a4').
+#latex_paper_size = 'letter'
+
+# The font size ('10pt', '11pt' or '12pt').
+#latex_font_size = '10pt'
+
+# Grouping the document tree into LaTeX files. List of tuples
+# (source start file, target name, title, author, document class [howto/manual]).
+latex_documents = [
+  ('index',
+   __DISTRIBUTION__+ '.tex',
+   __DISTRIBUTION__ + ' Documentation',
+   __AUTHOR__,
+   'manual'),
+]
+
+# The name of an image file (relative to this directory) to place at the top of
+# the title page.
+#latex_logo = None
+
+# Additional stuff for the LaTeX preamble.
+#latex_preamble = ''
+
+# Documents to append as an appendix to all manuals.
+#latex_appendices = []
+
+# If false, no module index is generated.
+#latex_use_modindex = True
+.. tw2.yui documentation master file.
+   You can adapt this file completely to your liking, but it should at least
+   contain the root `toctree` directive.
+
+Welcome to tw2.yui documentation!
+=========================================================
+
+Contents
+--------
+
+.. toctree::
+   :maxdepth: 2
+
+
+:class:`tw.yui.Yui`
+----------------------------------------------------------
+
+.. autoclass:: tw.yui.Yui
+.. widgetbrowser:: tw.yui.Yui
+
+.. note::
+    See http://toscawidgets.org/documentation/WidgetBrowser to learn how to
+    customize the ``widgetbrowser`` directive.
+
+
+Indices and tables
+==================
+
+* :ref:`genindex`
+* :ref:`modindex`
+* :ref:`search`

examples/autocomplete.py

+import tw2.core as twc, tw2.forms as twf, tw2.yui as twy
+
+class Index(twf.FormPage):
+    title = 'YUI AutoComplete'
+    attrs = {'class': 'yui-skin-sam'}
+    class child(twf.TableForm):
+        paj = twy.AutoComplete()
+
+if __name__ == '__main__':
+    import wsgiref.simple_server as wrs
+    wrs.make_server('', 8000, twc.make_middleware(controller_prefix='/')).serve_forever()

examples/example.py

+import tw2.core as twc, tw2.forms as twf, tw2.yui as twy
+
+class Index(twf.FormPage):
+    title = 'YUI Example'
+    attrs = {'class': 'yui-skin-sam'}
+    class child(twy.TabView):
+        auto_complete = twy.AutoComplete()
+        color_picker = twy.ColorPicker()
+        calendar = twy.Calendar()
+        slider = twy.Slider()
+
+if __name__ == '__main__':
+    import wsgiref.simple_server as wrs
+    wrs.make_server('', 8000, twc.make_middleware(controller_prefix='/')).serve_forever()

examples/slider.py

+import tw2.core as twc, tw2.forms as twf, tw2.yui as twy
+
+class Index(twf.FormPage):
+    title = 'YUI Slider'
+    class child(twf.Form):
+        class child(twf.TableLayout):
+            check = twf.CheckBox(validator=twc.Required)
+            value = twy.Slider()
+
+if __name__ == '__main__':
+    import wsgiref.simple_server as wrs
+    wrs.make_server('', 8000, twc.make_middleware(controller_prefix='/')).serve_forever()

examples/tabview.py

+import tw2.core as twc, tw2.forms as twf, tw2.yui as twy
+
+class Index(twf.FormPage):
+    title = 'YUI TabView'
+    attrs = {'class': 'yui-skin-sam'}
+    class child(twy.TabView):
+        class paj(twf.TableLayout):
+            a = twf.TextField()
+        class joe(twf.TableLayout):
+            b = twf.TextArea()
+
+if __name__ == '__main__':
+    import wsgiref.simple_server as wrs
+    wrs.make_server('', 8000, twc.make_middleware(controller_prefix='/')).serve_forever()
+import tw2.core as twc, tw2.forms as twf, tw2.yui as twy
+
+class Index(twf.FormPage):
+    title = 'YUI Test'
+    attrs = {'class':'yui-skin-sam'}
+    class child(twf.Form):
+        class child(twf.TableLayout):
+            check = twf.CheckBox(validator=twc.Required)
+            color = twy.Calendar()
+
+if __name__ == '__main__':
+    import wsgiref.simple_server as wrs
+    wrs.make_server('', 8000, twc.make_middleware(controller_prefix='/')).serve_forever()
+[egg_info]
+tag_build = dev
+tag_date = true
+
+[nosetests]
+where = tests
+from setuptools import setup, find_packages
+
+setup(
+    name='',
+    version='',
+    description='',
+    author='',
+    author_email='',
+    url='',
+    install_requires=[
+        "tw2.core",
+        ## Add other requirements here
+        # "Genshi",
+        ],
+    packages=find_packages(exclude=['ez_setup', 'tests']),
+    namespace_packages = ['tw2'],
+    zip_safe=False,
+    include_package_data=True,
+    test_suite = 'nose.collector',
+    entry_points="""
+        [tw2.widgets]
+        # Register your widgets so they can be listed in the WidgetBrowser
+        widgets = tw2.yui
+    """,
+    keywords = [
+        'toscawidgets.widgets',
+    ],
+    classifiers = [
+        'Development Status :: 3 - Alpha',
+        'Environment :: Web Environment',
+        'Environment :: Web Environment :: ToscaWidgets',
+        'Topic :: Software Development :: Libraries :: Python Modules',
+        'Topic :: Software Development :: Widget Sets',
+        'Intended Audience :: Developers',
+        'Operating System :: OS Independent',
+        'Programming Language :: Python',
+    ],
+)

tests/__init__.py

Empty file added.

tests/test_widget.py

+from tw.core.testutil import WidgetTestCase
+from tw.yui import *
+
+class TestWidget(WidgetTestCase):
+    # place your widget at the TestWidget attribute
+    TestWidget = Yui
+    # Initilization args. go here 
+    widget_kw = {}
+
+    def test_render(self):
+        # Asserts 'foo' and 'test' (the test widget's id) appear in rendered 
+        # string when 'foo' is passed as value to render
+        self.assertInOutput(['foo', 'test'], "foo")
+        # Asserts 'ohlalala' does not appear in rendered string when render 
+        # is called without args
+        self.assertNotInOutput(['ohlalala'])
+__import__('pkg_resources').declare_namespace(__name__)

tw2/yui/__init__.py

+from widgets import Slider, TabView, AutoComplete, ColorPicker, Calendar
+
+

tw2/yui/samples.py

+"""
+Here you can create samples of your widgets by providing default parameters,
+inserting them in a container widget, mixing them with other widgets, etc...
+These samples will appear in the WidgetBrowser
+
+See http://toscawidgets.org/documentation/WidgetBrowser for more information
+"""
+
+import widgets
+
+class DemoYui(widgets.Yui):
+    # Provide default parameters, value, etc... here
+    # default = <some-default-value>
+    pass

tw2/yui/static/2.7.0/animation/animation-debug.js

+/*
+Copyright (c) 2009, Yahoo! Inc. All rights reserved.
+Code licensed under the BSD License:
+http://developer.yahoo.net/yui/license.txt
+version: 2.7.0
+*/
+(function() {
+
+var Y = YAHOO.util;
+
+/*
+Copyright (c) 2006, Yahoo! Inc. All rights reserved.
+Code licensed under the BSD License:
+http://developer.yahoo.net/yui/license.txt
+*/
+
+/**
+ * The animation module provides allows effects to be added to HTMLElements.
+ * @module animation
+ * @requires yahoo, event, dom
+ */
+
+/**
+ *
+ * Base animation class that provides the interface for building animated effects.
+ * <p>Usage: var myAnim = new YAHOO.util.Anim(el, { width: { from: 10, to: 100 } }, 1, YAHOO.util.Easing.easeOut);</p>
+ * @class Anim
+ * @namespace YAHOO.util
+ * @requires YAHOO.util.AnimMgr
+ * @requires YAHOO.util.Easing
+ * @requires YAHOO.util.Dom
+ * @requires YAHOO.util.Event
+ * @requires YAHOO.util.CustomEvent
+ * @constructor
+ * @param {String | HTMLElement} el Reference to the element that will be animated
+ * @param {Object} attributes The attribute(s) to be animated.  
+ * Each attribute is an object with at minimum a "to" or "by" member defined.  
+ * Additional optional members are "from" (defaults to current value), "units" (defaults to "px").  
+ * All attribute names use camelCase.
+ * @param {Number} duration (optional, defaults to 1 second) Length of animation (frames or seconds), defaults to time-based
+ * @param {Function} method (optional, defaults to YAHOO.util.Easing.easeNone) Computes the values that are applied to the attributes per frame (generally a YAHOO.util.Easing method)
+ */
+
+var Anim = function(el, attributes, duration, method) {
+    if (!el) {
+        YAHOO.log('element required to create Anim instance', 'error', 'Anim');
+    }
+    this.init(el, attributes, duration, method); 
+};
+
+Anim.NAME = 'Anim';
+
+Anim.prototype = {
+    /**
+     * Provides a readable name for the Anim instance.
+     * @method toString
+     * @return {String}
+     */
+    toString: function() {
+        var el = this.getEl() || {};
+        var id = el.id || el.tagName;
+        return (this.constructor.NAME + ': ' + id);
+    },
+    
+    patterns: { // cached for performance
+        noNegatives:        /width|height|opacity|padding/i, // keep at zero or above
+        offsetAttribute:  /^((width|height)|(top|left))$/, // use offsetValue as default
+        defaultUnit:        /width|height|top$|bottom$|left$|right$/i, // use 'px' by default
+        offsetUnit:         /\d+(em|%|en|ex|pt|in|cm|mm|pc)$/i // IE may return these, so convert these to offset
+    },
+    
+    /**
+     * Returns the value computed by the animation's "method".
+     * @method doMethod
+     * @param {String} attr The name of the attribute.
+     * @param {Number} start The value this attribute should start from for this animation.
+     * @param {Number} end  The value this attribute should end at for this animation.
+     * @return {Number} The Value to be applied to the attribute.
+     */
+    doMethod: function(attr, start, end) {
+        return this.method(this.currentFrame, start, end - start, this.totalFrames);
+    },
+    
+    /**
+     * Applies a value to an attribute.
+     * @method setAttribute
+     * @param {String} attr The name of the attribute.
+     * @param {Number} val The value to be applied to the attribute.
+     * @param {String} unit The unit ('px', '%', etc.) of the value.
+     */
+    setAttribute: function(attr, val, unit) {
+        var el = this.getEl();
+        if ( this.patterns.noNegatives.test(attr) ) {
+            val = (val > 0) ? val : 0;
+        }
+
+        if ('style' in el) {
+            Y.Dom.setStyle(el, attr, val + unit);
+        } else if (attr in el) {
+            el[attr] = val;
+        }
+    },                        
+    
+    /**
+     * Returns current value of the attribute.
+     * @method getAttribute
+     * @param {String} attr The name of the attribute.
+     * @return {Number} val The current value of the attribute.
+     */
+    getAttribute: function(attr) {
+        var el = this.getEl();
+        var val = Y.Dom.getStyle(el, attr);
+
+        if (val !== 'auto' && !this.patterns.offsetUnit.test(val)) {
+            return parseFloat(val);
+        }
+        
+        var a = this.patterns.offsetAttribute.exec(attr) || [];
+        var pos = !!( a[3] ); // top or left
+        var box = !!( a[2] ); // width or height
+        
+        if ('style' in el) {
+            // use offsets for width/height and abs pos top/left
+            if ( box || (Y.Dom.getStyle(el, 'position') == 'absolute' && pos) ) {
+                val = el['offset' + a[0].charAt(0).toUpperCase() + a[0].substr(1)];
+            } else { // default to zero for other 'auto'
+                val = 0;
+            }
+        } else if (attr in el) {
+            val = el[attr];
+        }
+
+        return val;
+    },
+    
+    /**
+     * Returns the unit to use when none is supplied.
+     * @method getDefaultUnit
+     * @param {attr} attr The name of the attribute.
+     * @return {String} The default unit to be used.
+     */
+    getDefaultUnit: function(attr) {
+         if ( this.patterns.defaultUnit.test(attr) ) {
+            return 'px';
+         }
+         
+         return '';
+    },
+        
+    /**
+     * Sets the actual values to be used during the animation.  Should only be needed for subclass use.
+     * @method setRuntimeAttribute
+     * @param {Object} attr The attribute object
+     * @private 
+     */
+    setRuntimeAttribute: function(attr) {
+        var start;
+        var end;
+        var attributes = this.attributes;
+
+        this.runtimeAttributes[attr] = {};
+        
+        var isset = function(prop) {
+            return (typeof prop !== 'undefined');
+        };
+        
+        if ( !isset(attributes[attr]['to']) && !isset(attributes[attr]['by']) ) {
+            return false; // note return; nothing to animate to
+        }
+        
+        start = ( isset(attributes[attr]['from']) ) ? attributes[attr]['from'] : this.getAttribute(attr);
+
+        // To beats by, per SMIL 2.1 spec
+        if ( isset(attributes[attr]['to']) ) {
+            end = attributes[attr]['to'];
+        } else if ( isset(attributes[attr]['by']) ) {
+            if (start.constructor == Array) {
+                end = [];
+                for (var i = 0, len = start.length; i < len; ++i) {
+                    end[i] = start[i] + attributes[attr]['by'][i] * 1; // times 1 to cast "by" 
+                }
+            } else {
+                end = start + attributes[attr]['by'] * 1;
+            }
+        }
+        
+        this.runtimeAttributes[attr].start = start;
+        this.runtimeAttributes[attr].end = end;
+
+        // set units if needed
+        this.runtimeAttributes[attr].unit = ( isset(attributes[attr].unit) ) ?
+                attributes[attr]['unit'] : this.getDefaultUnit(attr);
+        return true;
+    },
+
+    /**
+     * Constructor for Anim instance.
+     * @method init
+     * @param {String | HTMLElement} el Reference to the element that will be animated
+     * @param {Object} attributes The attribute(s) to be animated.  
+     * Each attribute is an object with at minimum a "to" or "by" member defined.  
+     * Additional optional members are "from" (defaults to current value), "units" (defaults to "px").  
+     * All attribute names use camelCase.
+     * @param {Number} duration (optional, defaults to 1 second) Length of animation (frames or seconds), defaults to time-based
+     * @param {Function} method (optional, defaults to YAHOO.util.Easing.easeNone) Computes the values that are applied to the attributes per frame (generally a YAHOO.util.Easing method)
+     */ 
+    init: function(el, attributes, duration, method) {
+        /**
+         * Whether or not the animation is running.
+         * @property isAnimated
+         * @private
+         * @type Boolean
+         */
+        var isAnimated = false;
+        
+        /**
+         * A Date object that is created when the animation begins.
+         * @property startTime
+         * @private
+         * @type Date
+         */
+        var startTime = null;
+        
+        /**
+         * The number of frames this animation was able to execute.
+         * @property actualFrames
+         * @private
+         * @type Int
+         */
+        var actualFrames = 0; 
+
+        /**
+         * The element to be animated.
+         * @property el
+         * @private
+         * @type HTMLElement
+         */
+        el = Y.Dom.get(el);
+        
+        /**
+         * The collection of attributes to be animated.  
+         * Each attribute must have at least a "to" or "by" defined in order to animate.  
+         * If "to" is supplied, the animation will end with the attribute at that value.  
+         * If "by" is supplied, the animation will end at that value plus its starting value. 
+         * If both are supplied, "to" is used, and "by" is ignored. 
+         * Optional additional member include "from" (the value the attribute should start animating from, defaults to current value), and "unit" (the units to apply to the values).
+         * @property attributes
+         * @type Object
+         */
+        this.attributes = attributes || {};
+        
+        /**
+         * The length of the animation.  Defaults to "1" (second).
+         * @property duration
+         * @type Number
+         */
+        this.duration = !YAHOO.lang.isUndefined(duration) ? duration : 1;
+        
+        /**
+         * The method that will provide values to the attribute(s) during the animation. 
+         * Defaults to "YAHOO.util.Easing.easeNone".
+         * @property method
+         * @type Function
+         */
+        this.method = method || Y.Easing.easeNone;
+
+        /**
+         * Whether or not the duration should be treated as seconds.
+         * Defaults to true.
+         * @property useSeconds
+         * @type Boolean
+         */
+        this.useSeconds = true; // default to seconds
+        
+        /**
+         * The location of the current animation on the timeline.
+         * In time-based animations, this is used by AnimMgr to ensure the animation finishes on time.
+         * @property currentFrame
+         * @type Int
+         */
+        this.currentFrame = 0;
+        
+        /**
+         * The total number of frames to be executed.
+         * In time-based animations, this is used by AnimMgr to ensure the animation finishes on time.
+         * @property totalFrames
+         * @type Int
+         */
+        this.totalFrames = Y.AnimMgr.fps;
+        
+        /**
+         * Changes the animated element
+         * @method setEl
+         */
+        this.setEl = function(element) {
+            el = Y.Dom.get(element);
+        };
+        
+        /**
+         * Returns a reference to the animated element.
+         * @method getEl
+         * @return {HTMLElement}
+         */
+        this.getEl = function() { return el; };
+        
+        /**
+         * Checks whether the element is currently animated.
+         * @method isAnimated
+         * @return {Boolean} current value of isAnimated.     
+         */
+        this.isAnimated = function() {
+            return isAnimated;
+        };
+        
+        /**
+         * Returns the animation start time.
+         * @method getStartTime
+         * @return {Date} current value of startTime.      
+         */
+        this.getStartTime = function() {
+            return startTime;
+        };        
+        
+        this.runtimeAttributes = {};
+        
+        var logger = {};
+        logger.log = function() {YAHOO.log.apply(window, arguments)};
+        
+        logger.log('creating new instance of ' + this);
+        
+        /**
+         * Starts the animation by registering it with the animation manager. 
+         * @method animate  
+         */
+        this.animate = function() {
+            if ( this.isAnimated() ) {
+                return false;
+            }
+            
+            this.currentFrame = 0;
+            
+            this.totalFrames = ( this.useSeconds ) ? Math.ceil(Y.AnimMgr.fps * this.duration) : this.duration;
+    
+            if (this.duration === 0 && this.useSeconds) { // jump to last frame if zero second duration 
+                this.totalFrames = 1; 
+            }
+            Y.AnimMgr.registerElement(this);
+            return true;
+        };
+          
+        /**
+         * Stops the animation.  Normally called by AnimMgr when animation completes.
+         * @method stop
+         * @param {Boolean} finish (optional) If true, animation will jump to final frame.
+         */ 
+        this.stop = function(finish) {
+            if (!this.isAnimated()) { // nothing to stop
+                return false;
+            }
+
+            if (finish) {
+                 this.currentFrame = this.totalFrames;
+                 this._onTween.fire();
+            }
+            Y.AnimMgr.stop(this);
+        };
+        
+        var onStart = function() {            
+            this.onStart.fire();
+            
+            this.runtimeAttributes = {};
+            for (var attr in this.attributes) {
+                this.setRuntimeAttribute(attr);
+            }
+            
+            isAnimated = true;
+            actualFrames = 0;
+            startTime = new Date(); 
+        };
+        
+        /**
+         * Feeds the starting and ending values for each animated attribute to doMethod once per frame, then applies the resulting value to the attribute(s).
+         * @private
+         */
+         
+        var onTween = function() {
+            var data = {
+                duration: new Date() - this.getStartTime(),
+                currentFrame: this.currentFrame
+            };
+            
+            data.toString = function() {
+                return (
+                    'duration: ' + data.duration +
+                    ', currentFrame: ' + data.currentFrame
+                );
+            };
+            
+            this.onTween.fire(data);
+            
+            var runtimeAttributes = this.runtimeAttributes;
+            
+            for (var attr in runtimeAttributes) {
+                this.setAttribute(attr, this.doMethod(attr, runtimeAttributes[attr].start, runtimeAttributes[attr].end), runtimeAttributes[attr].unit); 
+            }
+            
+            actualFrames += 1;
+        };
+        
+        var onComplete = function() {
+            var actual_duration = (new Date() - startTime) / 1000 ;
+            
+            var data = {
+                duration: actual_duration,
+                frames: actualFrames,
+                fps: actualFrames / actual_duration
+            };
+            
+            data.toString = function() {
+                return (
+                    'duration: ' + data.duration +
+                    ', frames: ' + data.frames +
+                    ', fps: ' + data.fps
+                );
+            };
+            
+            isAnimated = false;
+            actualFrames = 0;
+            this.onComplete.fire(data);
+        };
+        
+        /**
+         * Custom event that fires after onStart, useful in subclassing
+         * @private
+         */    
+        this._onStart = new Y.CustomEvent('_start', this, true);
+
+        /**
+         * Custom event that fires when animation begins
+         * Listen via subscribe method (e.g. myAnim.onStart.subscribe(someFunction)
+         * @event onStart
+         */    
+        this.onStart = new Y.CustomEvent('start', this);
+        
+        /**
+         * Custom event that fires between each frame
+         * Listen via subscribe method (e.g. myAnim.onTween.subscribe(someFunction)
+         * @event onTween
+         */
+        this.onTween = new Y.CustomEvent('tween', this);
+        
+        /**
+         * Custom event that fires after onTween
+         * @private
+         */
+        this._onTween = new Y.CustomEvent('_tween', this, true);
+        
+        /**
+         * Custom event that fires when animation ends
+         * Listen via subscribe method (e.g. myAnim.onComplete.subscribe(someFunction)
+         * @event onComplete
+         */
+        this.onComplete = new Y.CustomEvent('complete', this);
+        /**
+         * Custom event that fires after onComplete
+         * @private
+         */
+        this._onComplete = new Y.CustomEvent('_complete', this, true);
+
+        this._onStart.subscribe(onStart);
+        this._onTween.subscribe(onTween);
+        this._onComplete.subscribe(onComplete);
+    }
+};
+
+    Y.Anim = Anim;
+})();
+/**
+ * Handles animation queueing and threading.
+ * Used by Anim and subclasses.
+ * @class AnimMgr
+ * @namespace YAHOO.util
+ */
+YAHOO.util.AnimMgr = new function() {
+    /** 
+     * Reference to the animation Interval.
+     * @property thread
+     * @private
+     * @type Int
+     */
+    var thread = null;
+    
+    /** 
+     * The current queue of registered animation objects.
+     * @property queue
+     * @private
+     * @type Array
+     */    
+    var queue = [];
+
+    /** 
+     * The number of active animations.
+     * @property tweenCount
+     * @private
+     * @type Int
+     */        
+    var tweenCount = 0;
+
+    /** 
+     * Base frame rate (frames per second). 
+     * Arbitrarily high for better x-browser calibration (slower browsers drop more frames).
+     * @property fps
+     * @type Int
+     * 
+     */
+    this.fps = 1000;
+
+    /** 
+     * Interval delay in milliseconds, defaults to fastest possible.
+     * @property delay
+     * @type Int
+     * 
+     */
+    this.delay = 1;
+
+    /**
+     * Adds an animation instance to the animation queue.
+     * All animation instances must be registered in order to animate.
+     * @method registerElement
+     * @param {object} tween The Anim instance to be be registered
+     */
+    this.registerElement = function(tween) {
+        queue[queue.length] = tween;
+        tweenCount += 1;
+        tween._onStart.fire();
+        this.start();
+    };
+    
+    /**
+     * removes an animation instance from the animation queue.
+     * All animation instances must be registered in order to animate.
+     * @method unRegister
+     * @param {object} tween The Anim instance to be be registered
+     * @param {Int} index The index of the Anim instance
+     * @private
+     */
+    this.unRegister = function(tween, index) {
+        index = index || getIndex(tween);
+        if (!tween.isAnimated() || index == -1) {
+            return false;
+        }
+        
+        tween._onComplete.fire();
+        queue.splice(index, 1);
+
+        tweenCount -= 1;
+        if (tweenCount <= 0) {
+            this.stop();
+        }
+
+        return true;
+    };
+    
+    /**
+     * Starts the animation thread.
+	* Only one thread can run at a time.
+     * @method start
+     */    
+    this.start = function() {
+        if (thread === null) {
+            thread = setInterval(this.run, this.delay);
+        }
+    };
+
+    /**
+     * Stops the animation thread or a specific animation instance.
+     * @method stop
+     * @param {object} tween A specific Anim instance to stop (optional)
+     * If no instance given, Manager stops thread and all animations.
+     */    
+    this.stop = function(tween) {
+        if (!tween) {
+            clearInterval(thread);
+            
+            for (var i = 0, len = queue.length; i < len; ++i) {
+                this.unRegister(queue[0], 0);  
+            }
+
+            queue = [];
+            thread = null;
+            tweenCount = 0;
+        }
+        else {
+            this.unRegister(tween);
+        }
+    };
+    
+    /**
+     * Called per Interval to handle each animation frame.
+     * @method run
+     */    
+    this.run = function() {
+        for (var i = 0, len = queue.length; i < len; ++i) {
+            var tween = queue[i];
+            if ( !tween || !tween.isAnimated() ) { continue; }
+
+            if (tween.currentFrame < tween.totalFrames || tween.totalFrames === null)
+            {
+                tween.currentFrame += 1;
+                
+                if (tween.useSeconds) {
+                    correctFrame(tween);
+                }
+                tween._onTween.fire();          
+            }
+            else { YAHOO.util.AnimMgr.stop(tween, i); }
+        }
+    };
+    
+    var getIndex = function(anim) {
+        for (var i = 0, len = queue.length; i < len; ++i) {
+            if (queue[i] == anim) {
+                return i; // note return;
+            }
+        }
+        return -1;
+    };
+    
+    /**
+     * On the fly frame correction to keep animation on time.
+     * @method correctFrame
+     * @private
+     * @param {Object} tween The Anim instance being corrected.
+     */
+    var correctFrame = function(tween) {
+        var frames = tween.totalFrames;
+        var frame = tween.currentFrame;
+        var expected = (tween.currentFrame * tween.duration * 1000 / tween.totalFrames);
+        var elapsed = (new Date() - tween.getStartTime());
+        var tweak = 0;
+        
+        if (elapsed < tween.duration * 1000) { // check if falling behind
+            tweak = Math.round((elapsed / expected - 1) * tween.currentFrame);
+        } else { // went over duration, so jump to end
+            tweak = frames - (frame + 1); 
+        }
+        if (tweak > 0 && isFinite(tweak)) { // adjust if needed
+            if (tween.currentFrame + tweak >= frames) {// dont go past last frame
+                tweak = frames - (frame + 1);
+            }
+            
+            tween.currentFrame += tweak;      
+        }
+    };
+};
+/**
+ * Used to calculate Bezier splines for any number of control points.
+ * @class Bezier
+ * @namespace YAHOO.util
+ *
+ */
+YAHOO.util.Bezier = new function() {
+    /**
+     * Get the current position of the animated element based on t.
+     * Each point is an array of "x" and "y" values (0 = x, 1 = y)
+     * At least 2 points are required (start and end).
+     * First point is start. Last point is end.
+     * Additional control points are optional.     
+     * @method getPosition
+     * @param {Array} points An array containing Bezier points
+     * @param {Number} t A number between 0 and 1 which is the basis for determining current position
+     * @return {Array} An array containing int x and y member data
+     */
+    this.getPosition = function(points, t) {  
+        var n = points.length;
+        var tmp = [];
+
+        for (var i = 0; i < n; ++i){
+            tmp[i] = [points[i][0], points[i][1]]; // save input
+        }
+        
+        for (var j = 1; j < n; ++j) {
+            for (i = 0; i < n - j; ++i) {
+                tmp[i][0] = (1 - t) * tmp[i][0] + t * tmp[parseInt(i + 1, 10)][0];
+                tmp[i][1] = (1 - t) * tmp[i][1] + t * tmp[parseInt(i + 1, 10)][1]; 
+            }
+        }
+    
+        return [ tmp[0][0], tmp[0][1] ]; 
+    
+    };
+};
+(function() {
+/**
+ * Anim subclass for color transitions.
+ * <p>Usage: <code>var myAnim = new Y.ColorAnim(el, { backgroundColor: { from: '#FF0000', to: '#FFFFFF' } }, 1, Y.Easing.easeOut);</code> Color values can be specified with either 112233, #112233, 
+ * [255,255,255], or rgb(255,255,255)</p>
+ * @class ColorAnim
+ * @namespace YAHOO.util
+ * @requires YAHOO.util.Anim
+ * @requires YAHOO.util.AnimMgr
+ * @requires YAHOO.util.Easing
+ * @requires YAHOO.util.Bezier
+ * @requires YAHOO.util.Dom
+ * @requires YAHOO.util.Event
+ * @constructor
+ * @extends YAHOO.util.Anim
+ * @param {HTMLElement | String} el Reference to the element that will be animated
+ * @param {Object} attributes The attribute(s) to be animated.
+ * Each attribute is an object with at minimum a "to" or "by" member defined.
+ * Additional optional members are "from" (defaults to current value), "units" (defaults to "px").
+ * All attribute names use camelCase.
+ * @param {Number} duration (optional, defaults to 1 second) Length of animation (frames or seconds), defaults to time-based
+ * @param {Function} method (optional, defaults to YAHOO.util.Easing.easeNone) Computes the values that are applied to the attributes per frame (generally a YAHOO.util.Easing method)
+ */
+    var ColorAnim = function(el, attributes, duration,  method) {
+        ColorAnim.superclass.constructor.call(this, el, attributes, duration, method);
+    };
+    
+    ColorAnim.NAME = 'ColorAnim';
+
+    ColorAnim.DEFAULT_BGCOLOR = '#fff';
+    // shorthand
+    var Y = YAHOO.util;
+    YAHOO.extend(ColorAnim, Y.Anim);
+
+    var superclass = ColorAnim.superclass;
+    var proto = ColorAnim.prototype;
+    
+    proto.patterns.color = /color$/i;
+    proto.patterns.rgb            = /^rgb\(([0-9]+)\s*,\s*([0-9]+)\s*,\s*([0-9]+)\)$/i;
+    proto.patterns.hex            = /^#?([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{2})$/i;
+    proto.patterns.hex3          = /^#?([0-9A-F]{1})([0-9A-F]{1})([0-9A-F]{1})$/i;
+    proto.patterns.transparent = /^transparent|rgba\(0, 0, 0, 0\)$/; // need rgba for safari
+    
+    /**
+     * Attempts to parse the given string and return a 3-tuple.
+     * @method parseColor
+     * @param {String} s The string to parse.
+     * @return {Array} The 3-tuple of rgb values.
+     */
+    proto.parseColor = function(s) {
+        if (s.length == 3) { return s; }
+    
+        var c = this.patterns.hex.exec(s);
+        if (c && c.length == 4) {
+            return [ parseInt(c[1], 16), parseInt(c[2], 16), parseInt(c[3], 16) ];
+        }
+    
+        c = this.patterns.rgb.exec(s);
+        if (c && c.length == 4) {
+            return [ parseInt(c[1], 10), parseInt(c[2], 10), parseInt(c[3], 10) ];
+        }
+    
+        c = this.patterns.hex3.exec(s);
+        if (c && c.length == 4) {
+            return [ parseInt(c[1] + c[1], 16), parseInt(c[2] + c[2], 16), parseInt(c[3] + c[3], 16) ];
+        }
+        
+        return null;
+    };
+
+    proto.getAttribute = function(attr) {
+        var el = this.getEl();
+        if (this.patterns.color.test(attr) ) {
+            var val = YAHOO.util.Dom.getStyle(el, attr);
+            
+            var that = this;
+            if (this.patterns.transparent.test(val)) { // bgcolor default
+                var parent = YAHOO.util.Dom.getAncestorBy(el, function(node) {
+                    return !that.patterns.transparent.test(val);
+                });
+
+                if (parent) {
+                    val = Y.Dom.getStyle(parent, attr);
+                } else {
+                    val = ColorAnim.DEFAULT_BGCOLOR;
+                }
+            }
+        } else {
+            val = superclass.getAttribute.call(this, attr);
+        }
+
+        return val;
+    };
+    
+    proto.doMethod = function(attr, start, end) {
+        var val;
+    
+        if ( this.patterns.color.test(attr) ) {
+            val = [];
+            for (var i = 0, len = start.length; i < len; ++i) {
+                val[i] = superclass.doMethod.call(this, attr, start[i], end[i]);
+            }
+            
+            val = 'rgb('+Math.floor(val[0])+','+Math.floor(val[1])+','+Math.floor(val[2])+')';
+        }
+        else {
+            val = superclass.doMethod.call(this, attr, start, end);
+        }
+
+        return val;
+    };
+
+    proto.setRuntimeAttribute = function(attr) {
+        superclass.setRuntimeAttribute.call(this, attr);
+        
+        if ( this.patterns.color.test(attr) ) {
+            var attributes = this.attributes;
+            var start = this.parseColor(this.runtimeAttributes[attr].start);
+            var end = this.parseColor(this.runtimeAttributes[attr].end);
+            // fix colors if going "by"
+            if ( typeof attributes[attr]['to'] === 'undefined' && typeof attributes[attr]['by'] !== 'undefined' ) {
+                end = this.parseColor(attributes[attr].by);
+            
+                for (var i = 0, len = start.length; i < len; ++i) {
+                    end[i] = start[i] + end[i];
+                }
+            }
+            
+            this.runtimeAttributes[attr].start = start;
+            this.runtimeAttributes[attr].end = end;
+        }
+    };
+
+    Y.ColorAnim = ColorAnim;
+})();
+/*!
+TERMS OF USE - EASING EQUATIONS
+Open source under the BSD License.
+Copyright 2001 Robert Penner All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+ * Neither the name of the author nor the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/**
+ * Singleton that determines how an animation proceeds from start to end.
+ * @class Easing
+ * @namespace YAHOO.util
+*/
+
+YAHOO.util.Easing = {
+
+    /**
+     * Uniform speed between points.
+     * @method easeNone
+     * @param {Number} t Time value used to compute current value
+     * @param {Number} b Starting value
+     * @param {Number} c Delta between start and end values
+     * @param {Number} d Total length of animation
+     * @return {Number} The computed value for the current animation frame
+     */
+    easeNone: function (t, b, c, d) {
+    	return c*t/d + b;
+    },
+    
+    /**
+     * Begins slowly and accelerates towards end.
+     * @method easeIn
+     * @param {Number} t Time value used to compute current value
+     * @param {Number} b Starting value
+     * @param {Number} c Delta between start and end values
+     * @param {Number} d Total length of animation
+     * @return {Number} The computed value for the current animation frame
+     */
+    easeIn: function (t, b, c, d) {
+    	return c*(t/=d)*t + b;
+    },
+
+    /**
+     * Begins quickly and decelerates towards end.
+     * @method easeOut
+     * @param {Number} t Time value used to compute current value
+     * @param {Number} b Starting value
+     * @param {Number} c Delta between start and end values
+     * @param {Number} d Total length of animation
+     * @return {Number} The computed value for the current animation frame
+     */
+    easeOut: function (t, b, c, d) {
+    	return -c *(t/=d)*(t-2) + b;
+    },
+    
+    /**
+     * Begins slowly and decelerates towards end.
+     * @method easeBoth
+     * @param {Number} t Time value used to compute current value
+     * @param {Number} b Starting value
+     * @param {Number} c Delta between start and end values
+     * @param {Number} d Total length of animation
+     * @return {Number} The computed value for the current animation frame
+     */
+    easeBoth: function (t, b, c, d) {
+    	if ((t/=d/2) < 1) {
+            return c/2*t*t + b;
+        }
+        
+    	return -c/2 * ((--t)*(t-2) - 1) + b;
+    },
+    
+    /**
+     * Begins slowly and accelerates towards end.
+     * @method easeInStrong
+     * @param {Number} t Time value used to compute current value
+     * @param {Number} b Starting value
+     * @param {Number} c Delta between start and end values
+     * @param {Number} d Total length of animation
+     * @return {Number} The computed value for the current animation frame
+     */
+    easeInStrong: function (t, b, c, d) {
+    	return c*(t/=d)*t*t*t + b;
+    },
+    
+    /**
+     * Begins quickly and decelerates towards end.
+     * @method easeOutStrong
+     * @param {Number} t Time value used to compute current value
+     * @param {Number} b Starting value
+     * @param {Number} c Delta between start and end values
+     * @param {Number} d Total length of animation
+     * @return {Number} The computed value for the current animation frame
+     */
+    easeOutStrong: function (t, b, c, d) {
+    	return -c * ((t=t/d-1)*t*t*t - 1) + b;
+    },
+    
+    /**
+     * Begins slowly and decelerates towards end.
+     * @method easeBothStrong
+     * @param {Number} t Time value used to compute current value
+     * @param {Number} b Starting value
+     * @param {Number} c Delta between start and end values
+     * @param {Number} d Total length of animation
+     * @return {Number} The computed value for the current animation frame
+     */
+    easeBothStrong: function (t, b, c, d) {
+    	if ((t/=d/2) < 1) {
+            return c/2*t*t*t*t + b;
+        }
+        
+    	return -c/2 * ((t-=2)*t*t*t - 2) + b;
+    },
+
+    /**
+     * Snap in elastic effect.
+     * @method elasticIn
+     * @param {Number} t Time value used to compute current value
+     * @param {Number} b Starting value
+     * @param {Number} c Delta between start and end values
+     * @param {Number} d Total length of animation
+     * @param {Number} a Amplitude (optional)
+     * @param {Number} p Period (optional)
+     * @return {Number} The computed value for the current animation frame
+     */
+
+    elasticIn: function (t, b, c, d, a, p) {
+    	if (t == 0) {
+            return b;
+        }
+        if ( (t /= d) == 1 ) {
+            return b+c;
+        }
+        if (!p) {
+            p=d*.3;
+        }
+        
+    	if (!a || a < Math.abs(c)) {
+            a = c; 
+            var s = p/4;
+        }
+    	else {
+            var s = p/(2*Math.PI) * Math.asin (c/a);
+        }
+        
+    	return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
+    },
+
+    /**
+     * Snap out elastic effect.
+     * @method elasticOut
+     * @param {Number} t Time value used to compute current value
+     * @param {Number} b Starting value
+     * @param {Number} c Delta between start and end values
+     * @param {Number} d Total length of animation
+     * @param {Number} a Amplitude (optional)
+     * @param {Number} p Period (optional)
+     * @return {Number} The computed value for the current animation frame
+     */
+    elasticOut: function (t, b, c, d, a, p) {
+    	if (t == 0) {
+            return b;
+        }
+        if ( (t /= d) == 1 ) {
+            return b+c;
+        }
+        if (!p) {
+            p=d*.3;
+        }
+        
+    	if (!a || a < Math.abs(c)) {
+            a = c;
+            var s = p / 4;
+        }
+    	else {
+            var s = p/(2*Math.PI) * Math.asin (c/a);
+        }
+        
+    	return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
+    },
+    
+    /**
+     * Snap both elastic effect.
+     * @method elasticBoth
+     * @param {Number} t Time value used to compute current value
+     * @param {Number} b Starting value
+     * @param {Number} c Delta between start and end values
+     * @param {Number} d Total length of animation
+     * @param {Number} a Amplitude (optional)
+     * @param {Number} p Period (optional)
+     * @return {Number} The computed value for the current animation frame
+     */
+    elasticBoth: function (t, b, c, d, a, p) {
+    	if (t == 0) {
+            return b;
+        }
+        
+        if ( (t /= d/2) == 2 ) {
+            return b+c;
+        }
+        
+        if (!p) {
+            p = d*(.3*1.5);
+        }
+        
+    	if ( !a || a < Math.abs(c) ) {
+            a = c; 
+            var s = p/4;
+        }
+    	else {
+            var s = p/(2*Math.PI) * Math.asin (c/a);
+        }
+        
+    	if (t < 1) {
+            return -.5*(a*Math.pow(2,10*(t-=1)) * 
+                    Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
+        }
+    	return a*Math.pow(2,-10*(t-=1)) * 
+                Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
+    },
+
+
+    /**
+     * Backtracks slightly, then reverses direction and moves to end.
+     * @method backIn
+     * @param {Number} t Time value used to compute current value
+     * @param {Number} b Starting value
+     * @param {Number} c Delta between start and end values
+     * @param {Number} d Total length of animation
+     * @param {Number} s Overshoot (optional)
+     * @return {Number} The computed value for the current animation frame
+     */
+    backIn: function (t, b, c, d, s) {
+    	if (typeof s == 'undefined') {
+            s = 1.70158;
+        }
+    	return c*(t/=d)*t*((s+1)*t - s) + b;
+    },
+
+    /**
+     * Overshoots end, then reverses and comes back to end.
+     * @method backOut
+     * @param {Number} t Time value used to compute current value
+     * @param {Number} b Starting value
+     * @param {Number} c Delta between start and end values
+     * @param {Number} d Total length of animation
+     * @param {Number} s Overshoot (optional)
+     * @return {Number} The computed value for the current animation frame
+     */
+    backOut: function (t, b, c, d, s) {
+    	if (typeof s == 'undefined') {
+            s = 1.70158;
+        }
+    	return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
+    },
+    
+    /**
+     * Backtracks slightly, then reverses direction, overshoots end, 
+     * then reverses and comes back to end.
+     * @method backBoth
+     * @param {Number} t Time value used to compute current value
+     * @param {Number} b Starting value
+     * @param {Number} c Delta between start and end values
+     * @param {Number} d Total length of animation
+     * @param {Number} s Overshoot (optional)
+     * @return {Number} The computed value for the current animation frame
+     */
+    backBoth: function (t, b, c, d, s) {
+    	if (typeof s == 'undefined') {
+            s = 1.70158; 
+        }
+        
+    	if ((t /= d/2 ) < 1) {
+            return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
+        }
+    	return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
+    },
+
+    /**
+     * Bounce off of start.
+     * @method bounceIn
+     * @param {Number} t Time value used to compute current value
+     * @param {Number} b Starting value
+     * @param {Number} c Delta between start and end values
+     * @param {Number} d Total length of animation
+     * @return {Number} The computed value for the current animation frame
+     */
+    bounceIn: function (t, b, c, d) {
+    	return c - YAHOO.util.Easing.bounceOut(d-t, 0, c, d) + b;
+    },
+    
+    /**
+     * Bounces off end.
+     * @method bounceOut