diff -r 000000000000 -r 40c8f766c9b8 src/cm/media/js/lib/yui/yui3.0.0/build/yui-base/yui-base.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui3.0.0/build/yui-base/yui-base.js	Mon Nov 23 15:14:29 2009 +0100
@@ -0,0 +1,2136 @@
+/*
+Copyright (c) 2009, Yahoo! Inc. All rights reserved.
+Code licensed under the BSD License:
+http://developer.yahoo.net/yui/license.txt
+version: 3.0.0
+build: 1549
+*/
+(function() {
+
+    var _instances = {}, 
+        _startTime = new Date().getTime(), 
+        p, 
+        i,
+
+        add = function () {
+            if (window.addEventListener) {
+                return function(el, type, fn, capture) {
+                    el.addEventListener(type, fn, (!!capture));
+                };
+            } else if (window.attachEvent) {
+                return function(el, type, fn) {
+                    el.attachEvent("on" + type, fn);
+                };
+            } else {
+                return function(){};
+            }
+        }(),
+
+        remove = function() {
+            if (window.removeEventListener) {
+                return function (el, type, fn, capture) {
+                    el.removeEventListener(type, fn, !!capture);
+                };
+            } else if (window.detachEvent) {
+                return function (el, type, fn) {
+                    el.detachEvent("on" + type, fn);
+                };
+            } else {
+                return function(){};
+            }
+        }(),
+
+        globalListener = function() {
+            YUI.Env.windowLoaded = true;
+            YUI.Env.DOMReady = true;
+            remove(window, 'load', globalListener);
+        },
+
+// @TODO: this needs to be created at build time from module metadata
+
+        _APPLY_TO_WHITE_LIST = {
+            'io.xdrReady': 1,
+            'io.start': 1,
+            'io.success': 1,
+            'io.failure': 1
+        },
+
+        SLICE = Array.prototype.slice;
+        
+// reduce to one or the other
+if (typeof YUI === 'undefined' || !YUI) {
+
+    /**
+     * The YUI global namespace object.  If YUI is already defined, the
+     * existing YUI object will not be overwritten so that defined
+     * namespaces are preserved.  
+     *
+     * @class YUI
+     * @constructor
+     * @global
+     * @uses EventTarget
+     * @param o* Up to five optional configuration objects.  This object is stored
+     * in YUI.config.  See config for the list of supported properties.
+     */
+
+    /*global YUI*/
+    // Make a function, disallow direct instantiation
+    YUI = function(o1, o2, o3, o4, o5) {
+
+        var Y = this, a = arguments, i, l = a.length;
+
+        // Allow instantiation without the new operator
+        if (!(Y instanceof YUI)) {
+            return new YUI(o1, o2, o3, o4, o5);
+        } else {
+            // set up the core environment
+            Y._init();
+
+            for (i=0; i<l; i++) {
+                Y._config(a[i]);
+            }
+
+            // bind the specified additional modules for this instance
+            Y._setup();
+
+            return Y;
+        }
+    };
+}
+
+// The prototype contains the functions that are required to allow the external
+// modules to be registered and for the instance to be initialized.
+YUI.prototype = {
+
+    _config: function(o) {
+
+        o = o || {};
+
+        var c = this.config, i, j, m, mods;
+
+        mods = c.modules;
+        for (i in o) {
+            if (mods && i == 'modules') {
+                m = o[i];
+                for (j in m) {
+                    if (m.hasOwnProperty(j)) {
+                        mods[j] = m[j];
+                    }
+                }
+            } else if (i == 'win') {
+                c[i] = o[i].contentWindow || o[i];
+                c.doc = c[i].document;
+            } else {
+                c[i] = o[i];
+            }
+        }
+    },
+
+    /**
+     * Initialize this YUI instance
+     * @param o config options
+     * @private
+     */
+    _init: function(o) {
+
+        // find targeted window/frame
+        // @TODO create facades
+        var v = '3.0.0', Y = this;
+
+        if (v.indexOf('@') > -1) {
+            v = 'test';
+        }
+
+        Y.version = v;
+
+        Y.Env = {
+            // @todo expand the new module metadata
+            mods: {},
+            cdn: 'http://yui.yahooapis.com/' + v + '/build/',
+            bootstrapped: false,
+            _idx: 0,
+            _used: {},
+            _attached: {},
+            _yidx: 0,
+            _uidx: 0,
+            _loaded: {}
+        };
+
+        Y.Env._loaded[v] = {};
+
+        if (YUI.Env) {
+            Y.Env._yidx = (++YUI.Env._yidx);
+            Y.Env._guidp = ('yui_' + v + '-' + Y.Env._yidx + '-' + _startTime).replace(/\./g, '_');
+            Y.id = Y.stamp(Y);
+            _instances[Y.id] = Y;
+        }
+
+        Y.constructor = YUI;
+
+        // configuration defaults
+        Y.config = {
+
+            win: window || {},
+            doc: document,
+            debug: true,
+            useBrowserConsole: true,
+            throwFail: true,
+        
+            base: function() {
+                var b, nodes, i, match;
+
+                // get from querystring
+                nodes = document.getElementsByTagName('script');
+
+                for (i=0; i<nodes.length; i=i+1) {
+                    match = nodes[i].src.match(/^(.*)yui\/yui[\.\-].*js(\?.*)?$/);
+                    b = match && match[1];
+                    if (b) {
+                        break;
+                    }
+                }
+
+                // use CDN default
+                return b || this.Env.cdn;
+
+            }(),
+
+            loaderPath: 'loader/loader-min.js'
+        };
+
+    },
+    
+    /**
+     * Finishes the instance setup. Attaches whatever modules were defined
+     * when the yui modules was registered.
+     * @method _setup
+     * @private
+     */
+    _setup: function(o) {
+        this.use("yui-base");
+    },
+
+    /**
+     * Executes a method on a YUI instance with
+     * the specified id if the specified method is whitelisted.
+     * @method applyTo
+     * @param id {string} the YUI instance id
+     * @param method {string} the name of the method to exectute.
+     * Ex: 'Object.keys'
+     * @param args {Array} the arguments to apply to the method
+     * @return {object} the return value from the applied method or null
+     */
+    applyTo: function(id, method, args) {
+
+        if (!(method in _APPLY_TO_WHITE_LIST)) {
+            this.error(method + ': applyTo not allowed');
+            return null;
+        }
+
+        var instance = _instances[id], nest, m, i;
+
+        if (instance) {
+
+            nest = method.split('.'); 
+            m = instance;
+
+            for (i=0; i<nest.length; i=i+1) {
+
+                m = m[nest[i]];
+
+                if (!m) {
+                    this.error('applyTo not found: ' + method);
+                }
+            }
+
+            return m.apply(instance, args);
+        }
+
+        return null;
+    }, 
+
+    /**
+     * Register a module
+     * @method add
+     * @param name {string} module name
+     * @param fn {Function} entry point into the module that
+     * is used to bind module to the YUI instance
+     * @param version {string} version string
+     * @param details optional config data: 
+     * requires   - features that should be present before loading
+     * optional   - optional features that should be present if load optional defined
+     * use  - features that should be attached automatically
+     * skinnable  -
+     * rollup
+     * omit - features that should not be loaded if this module is present
+     * @return {YUI} the YUI instance
+     *
+     */
+    add: function(name, fn, version, details) {
+        // this.log('Adding a new component ' + name);
+        // @todo expand this to include version mapping
+        // @todo may want to restore the build property
+        // @todo fire moduleAvailable event
+        
+        YUI.Env.mods[name] = {
+            name: name, 
+            fn: fn,
+            version: version,
+            details: details || {}
+        };
+
+        return this; // chain support
+    },
+
+    _attach: function(r, fromLoader) {
+
+        var mods = YUI.Env.mods,
+            attached = this.Env._attached,
+            i, l = r.length, name, m, d, req, use;
+
+        for (i=0; i<l; i=i+1) {
+
+            name = r[i]; 
+            m    = mods[name];
+
+            if (!attached[name] && m) {
+
+                attached[name] = true;
+
+                d   = m.details; 
+                req = d.requires; 
+                use = d.use;
+
+                if (req) {
+                    this._attach(this.Array(req));
+                }
+
+                // this.log('attaching ' + name, 'info', 'yui');
+
+                if (m.fn) {
+                    m.fn(this);
+                }
+
+                if (use) {
+                    this._attach(this.Array(use));
+                }
+            }
+        }
+
+    },
+
+    /**
+     * Bind a module to a YUI instance
+     * @param modules* {string} 1-n modules to bind (uses arguments array)
+     * @param *callback {function} callback function executed when 
+     * the instance has the required functionality.  If included, it
+     * must be the last parameter.
+     *
+     * @TODO 
+     * Implement versioning?  loader can load different versions?
+     * Should sub-modules/plugins be normal modules, or do
+     * we add syntax for specifying these?
+     *
+     * YUI().use('dragdrop')
+     * YUI().use('dragdrop:2.4.0'); // specific version
+     * YUI().use('dragdrop:2.4.0-'); // at least this version
+     * YUI().use('dragdrop:2.4.0-2.9999.9999'); // version range
+     * YUI().use('*'); // use all available modules
+     * YUI().use('lang+dump+substitute'); // use lang and some plugins
+     * YUI().use('lang+*'); // use lang and all known plugins
+     *
+     *
+     * @return {YUI} the YUI instance
+     */
+    use: function() {
+
+        if (this._loading) {
+            this._useQueue = this._useQueue || new this.Queue();
+            this._useQueue.add(SLICE.call(arguments, 0));
+            return this;
+        }
+
+        var Y = this, 
+            a=SLICE.call(arguments, 0), 
+            mods = YUI.Env.mods, 
+            used = Y.Env._used,
+            loader, 
+            firstArg = a[0], 
+            dynamic = false,
+            callback = a[a.length-1],
+            k, i, l, missing = [], 
+            r = [], 
+            f = function(name) {
+
+                // only attach a module once
+                if (used[name]) {
+                    return;
+                }
+
+                var m = mods[name], j, req, use;
+
+                if (m) {
+
+
+                    used[name] = true;
+
+                    req = m.details.requires;
+                    use = m.details.use;
+                } else {
+
+                    // CSS files don't register themselves, see if it has been loaded
+                    if (!YUI.Env._loaded[Y.version][name]) {
+                        missing.push(name);
+                    } else {
+                        // probably css
+                        used[name] = true;
+                    }
+                }
+
+                // make sure requirements are attached
+                if (req) {
+                    if (Y.Lang.isString(req)) {
+                        f(req);
+                    } else {
+                        for (j = 0; j < req.length; j = j + 1) {
+                            f(req[j]);
+                        }
+                    }
+                }
+
+                // add this module to full list of things to attach
+                r.push(name);
+
+            },
+
+            onComplete = function(fromLoader) {
+
+
+                fromLoader = fromLoader || {
+                    success: true,
+                    msg: 'not dynamic'
+                };
+
+                if (Y.Env._callback) {
+
+                    var cb = Y.Env._callback;
+                    Y.Env._callback = null;
+                    cb(Y, fromLoader);
+                }
+
+                if (Y.fire) {
+                    Y.fire('yui:load', Y, fromLoader);
+                }
+
+                // process queued use requests as long until done 
+                // or dynamic load happens again.
+                Y._loading = false;
+                while (Y._useQueue && Y._useQueue.size() && !Y._loading) {
+                    Y.use.apply(Y, Y._useQueue.next());
+                }
+            };
+
+
+        // The last argument supplied to use can be a load complete callback
+        if (typeof callback === 'function') {
+            a.pop();
+            Y.Env._callback = callback;
+        } else {
+            callback = null;
+        }
+
+        // YUI().use('*'); // bind everything available
+        if (firstArg === "*") {
+            a = [];
+            for (k in mods) {
+                if (mods.hasOwnProperty(k)) {
+                    a.push(k);
+                }
+            }
+
+            return Y.use.apply(Y, a);
+        }
+        
+
+        // use loader to expand dependencies and sort the 
+        // requirements if it is available.
+        if (Y.Loader) {
+            dynamic = true;
+            loader = new Y.Loader(Y.config);
+            loader.require(a);
+            loader.ignoreRegistered = true;
+            loader.allowRollup = false;
+            loader.calculate();
+            a = loader.sorted;
+        }
+
+
+        l = a.length;
+
+        // process each requirement and any additional requirements 
+        // the module metadata specifies
+        for (i=0; i<l; i=i+1) {
+            f(a[i]);
+        }
+
+
+        // dynamic load
+        if (Y.Loader && missing.length) {
+            Y._loading = true;
+            loader = new Y.Loader(Y.config);
+            loader.onSuccess = onComplete;
+            loader.onFailure = onComplete;
+            loader.onTimeout = onComplete;
+            loader.context = Y;
+            loader.attaching = a;
+            loader.require(missing);
+            loader.insert();
+        } else if (Y.Get && missing.length && !Y.Env.bootstrapped) {
+            Y._loading = true;
+
+            a = Y.Array(arguments, 0, true);
+            // a.unshift('loader');
+
+            Y.Get.script(Y.config.base + Y.config.loaderPath, {
+                onEnd: function() {
+                    Y._loading = false;
+                    Y.Env.bootstrapped = true;
+                    Y._attach(['loader']);
+                    Y.use.apply(Y, a);
+                }
+            });
+
+            return Y;
+
+        } else {
+            Y._attach(r);
+            onComplete();
+        }
+
+        return Y; // chain support var yui = YUI().use('dragdrop');
+    },
+
+
+    /**
+     * Returns the namespace specified and creates it if it doesn't exist
+     * <pre>
+     * YUI.namespace("property.package");
+     * YUI.namespace("YAHOO.property.package");
+     * </pre>
+     * Either of the above would create YUI.property, then
+     * YUI.property.package (YAHOO is scrubbed out, this is
+     * to remain compatible with YUI2)
+     *
+     * Be careful when naming packages. Reserved words may work in some browsers
+     * and not others. For instance, the following will fail in Safari:
+     * <pre>
+     * YUI.namespace("really.long.nested.namespace");
+     * </pre>
+     * This fails because "long" is a future reserved word in ECMAScript
+     *
+     * @method namespace
+     * @param  {string*} arguments 1-n namespaces to create 
+     * @return {object}  A reference to the last namespace object created
+     */
+    namespace: function() {
+        var a=arguments, o=null, i, j, d;
+        for (i=0; i<a.length; i=i+1) {
+            d = ("" + a[i]).split(".");
+            o = this;
+            for (j=(d[0] == "YAHOO") ? 1 : 0; j<d.length; j=j+1) {
+                o[d[j]] = o[d[j]] || {};
+                o = o[d[j]];
+            }
+        }
+        return o;
+    },
+
+    // this is replaced if the log module is included
+    log: function() {
+
+    },
+
+    /**
+     * Report an error.  The reporting mechanism is controled by
+     * the 'throwFail' configuration attribute.  If throwFail is
+     * not specified, the message is written to the Logger, otherwise
+     * a JS error is thrown
+     * @method error
+     * @param msg {string} the error message
+     * @param e {Error} Optional JS error that was caught.  If supplied
+     * and throwFail is specified, this error will be re-thrown.
+     * @return {YUI} this YUI instance
+     */
+    error: function(msg, e) {
+        if (this.config.throwFail) {
+            throw (e || new Error(msg)); 
+        } else {
+            this.message(msg, "error"); // don't scrub this one
+        }
+
+        return this;
+    },
+
+    /**
+     * Generate an id that is unique among all YUI instances
+     * @method guid
+     * @param pre {string} optional guid prefix
+     * @return {string} the guid
+     */
+    guid: function(pre) {
+        var id =  this.Env._guidp + (++this.Env._uidx);
+        return (pre) ? (pre + id) : id;
+    },
+
+    /**
+     * Returns a guid associated with an object.  If the object
+     * does not have one, a new one is created unless readOnly
+     * is specified.
+     * @method stamp
+     * @param o The object to stamp
+     * @param readOnly {boolean} if true, a valid guid will only
+     * be returned if the object has one assigned to it.
+     * @return {string} The object's guid or null
+     */
+    stamp: function(o, readOnly) {
+
+        if (!o) {
+            return o;
+        }
+
+        var uid = (typeof o === 'string') ? o : o._yuid;
+
+        if (!uid) {
+            uid = this.guid();
+            if (!readOnly) {
+                try {
+                    o._yuid = uid;
+                } catch(e) {
+                    uid = null;
+                }
+            }
+        }
+
+        return uid;
+    }
+};
+
+// Give the YUI global the same properties as an instance.
+// This makes it so that the YUI global can be used like the YAHOO
+// global was used prior to 3.x.  More importantly, the YUI global
+// provides global metadata, so env needs to be configured.
+// @TODO review
+
+    p = YUI.prototype;
+
+    // inheritance utilities are not available yet
+    for (i in p) {
+        // if (1) { // intenionally ignoring hasOwnProperty check
+        YUI[i] = p[i];
+        // }
+    }
+
+    // set up the environment
+    YUI._init();
+
+    // add a window load event at load time so we can capture
+    // the case where it fires before dynamic loading is
+    // complete.
+    add(window, 'load', globalListener);
+
+    YUI.Env.add = add;
+    YUI.Env.remove = remove;
+
+    /*
+     * Subscribe to an event.  The signature differs depending on the
+     * type of event you are attaching to.
+     * @method on 
+     * @param type {string|function|object} The type of the event.  If
+     * this is a function, this is dispatched to the aop system.  If an
+     * object, it is parsed for multiple subsription definitions
+     * @param fn {Function} The callback
+     * @param elspec {any} DOM element(s), selector string(s), and or
+     * Node ref(s) to attach DOM related events to (only applies to
+     * DOM events).
+     * @param
+     * @return the event target or a detach handle per 'chain' config
+     */
+
+})();
+
+/**
+ * The config object contains all of the configuration options for
+ * the YUI instance.  This object is supplied by the implementer 
+ * when instantiating a YUI instance.  Some properties have default
+ * values if they are not supplied by the implementer.
+ *
+ * @class config
+ * @static
+ */
+
+/**
+ * Turn debug statements on or off.
+ *
+ * @property debug
+ * @type boolean
+ * @default true
+ */
+
+/**
+ * Log to the browser console if debug is on and the browser has a
+ * supported console.
+ *
+ * @property useBrowserConsole
+ * @type boolean
+ * @default true
+ */
+
+/**
+ * A hash of log sources that should be logged.  If specified, only log messages from these sources will be logged.
+ *
+ * @property logInclude
+ * @type object
+ */
+
+/**
+ * A hash of log sources that should be not be logged.  If specified, all sources are logged if not on this list.
+ *
+ * @property logExclude
+ * @type object
+ */
+
+/**
+ * Set to true if the yui seed file was dynamically loaded in 
+ * order to bootstrap components relying on the window load event 
+ * and the 'domready' custom event.
+ *
+ * @property injected
+ * @type object
+ */
+
+/**
+ * If throwFail is set, Y.fail will generate or re-throw a JS Error.  Otherwise the failure is logged.
+ *
+ * @property throwFail
+ * @type boolean
+ * @default true
+ */
+
+/**
+ * The window/frame that this instance should operate in.
+ *
+ * @property win
+ * @type Window
+ * @default the window hosting YUI
+ */
+
+/**
+ * The document associated with the 'win' configuration.
+ *
+ * @property doc
+ * @type Document
+ * @default the document hosting YUI
+ */
+
+/**
+ * A list of modules that defines the YUI core (overrides the default).
+ *
+ * @property core
+ * @type string[]
+ */
+
+/**
+ * The default date format
+ *
+ * @property dateFormat
+ * @type string
+ */
+
+/**
+ * The default locale
+ *
+ * @property locale
+ * @type string
+ */
+
+/**
+ * The default interval when polling in milliseconds.
+ *
+ * @property pollInterval
+ * @type int
+ * @default 20
+ */
+
+/**
+ * The number of dynamic nodes to insert by default before
+ * automatically removing them.  This applies to script nodes
+ * because remove the node will not make the evaluated script
+ * unavailable.  Dynamic CSS is not auto purged, because removing
+ * a linked style sheet will also remove the style definitions.
+ *
+ * @property purgethreshold
+ * @type int
+ * @default 20
+ */
+
+/**
+ * The default interval when polling in milliseconds.
+ *
+ * @property windowResizeDelay
+ * @type int
+ * @default 40
+ */
+
+/**
+ * Base directory for dynamic loading
+ *
+ * @property base
+ * @type string
+ */
+
+/**
+ * The secure base dir (not implemented)
+ *
+ * For dynamic loading.
+ *
+ * @property secureBase
+ * @type string
+ */
+
+/**
+ * The YUI combo service base dir. Ex: http://yui.yahooapis.com/combo?
+ *
+ * For dynamic loading.
+ *
+ * @property comboBase
+ * @type string
+ */
+
+/**
+ * The root path to prepend to module names for the combo service. Ex: 3.0.0b1/build/
+ *
+ * For dynamic loading.
+ *
+ * @property root
+ * @type string
+ */
+
+/**
+ * A filter to apply to result urls.  This filter will modify the default
+ * path for all modules.  The default path for the YUI library is the
+ * minified version of the files (e.g., event-min.js).  The filter property
+ * can be a predefined filter or a custom filter.  The valid predefined 
+ * filters are:
+ * <dl>
+ *  <dt>DEBUG</dt>
+ *  <dd>Selects the debug versions of the library (e.g., event-debug.js).
+ *      This option will automatically include the Logger widget</dd>
+ *  <dt>RAW</dt>
+ *  <dd>Selects the non-minified version of the library (e.g., event.js).</dd>
+ * </dl>
+ * You can also define a custom filter, which must be an object literal 
+ * containing a search expression and a replace string:
+ * <pre>
+ *  myFilter: &#123; 
+ *      'searchExp': "-min\\.js", 
+ *      'replaceStr': "-debug.js"
+ *  &#125;
+ * </pre>
+ *
+ * For dynamic loading.
+ *
+ * @property filter
+ * @type string|object
+ */
+
+/**
+ * Hash of per-component filter specification.  If specified for a given component, 
+ * this overrides the filter config
+ *
+ * For dynamic loading.
+ *
+ * @property filters
+ * @type object
+ */
+
+/**
+ * Use the YUI combo service to reduce the number of http connections 
+ * required to load your dependencies.
+ *
+ * For dynamic loading.
+ *
+ * @property combine
+ * @type boolean
+ * @default true if 'base' is not supplied, false if it is.
+ */
+
+/**
+ * A list of modules that should never be dynamically loaded
+ *
+ * @property ignore
+ * @type string[]
+ */
+
+/**
+ * A list of modules that should always be loaded when required, even if already 
+ * present on the page.
+ *
+ * @property force
+ * @type string[]
+ */
+
+/**
+ * Node or id for a node that should be used as the insertion point for new nodes
+ * For dynamic loading.
+ *
+ * @property insertBefore
+ * @type string
+ */
+
+/**
+ * charset for dynamic nodes
+ *
+ * @property charset
+ * @type string
+ * @deprecated use jsAttributes cssAttributes
+ */
+
+/**
+ * Object literal containing attributes to add to dynamically loaded script nodes.
+ *
+ * @property jsAttributes
+ * @type string
+ */
+
+/**
+ * Object literal containing attributes to add to dynamically loaded link nodes.
+ *
+ * @property cssAttributes
+ * @type string
+ */
+
+/**
+ * Number of milliseconds before a timeout occurs when dynamically 
+ * loading nodes. If not set, there is no timeout.
+ *
+ * @property timeout
+ * @type int
+ */
+
+/**
+ * Callback for the 'CSSComplete' event.  When dynamically loading YUI 
+ * components with CSS, this property fires when the CSS is finished
+ * loading but script loading is still ongoing.  This provides an
+ * opportunity to enhance the presentation of a loading page a little
+ * bit before the entire loading process is done.
+ *
+ * @property onCSS
+ * @type function
+ */
+
+/**
+ * A list of module definitions to add to the list of YUI components.  
+ * These components can then be dynamically loaded side by side with
+ * YUI via the use() method.See Loader.addModule for the supported
+ * module metadata.
+ *
+ * @property modules
+ * @type function
+ */
+ 
+/**
+ * The loader 'path' attribute to the loader itself.  This is combined
+ * with the 'base' attribute to dynamically load the loader component
+ * when boostrapping with the get utility alone.
+ *
+ * @property loaderPath
+ * @default loader/loader-min.js
+ */
+YUI.add('yui-base', function(Y) {
+
+/*
+ * YUI stub
+ * @module yui
+ * @submodule yui-base
+ */
+(function() {
+
+var INSTANCE = Y,
+    LOGEVENT = 'yui:log',
+    UNDEFINED = 'undefined',
+    LEVELS = { debug: 1, info: 1, warn: 1, error: 1 },
+    _published;
+
+/**
+ * If the 'debug' config is true, a 'yui:log' event will be
+ * dispatched, which the Console widget and anything else
+ * can consume.  If the 'useBrowserConsole' config is true, it will
+ * write to the browser console if available.  YUI-specific log
+ * messages will only be present in the -debug versions of the
+ * JS files.  The build system is supposed to remove log statements
+ * from the raw and minified versions of the files.
+ *
+ * @method log
+ * @for YUI
+ * @param  {String}  msg  The message to log.
+ * @param  {String}  cat  The log category for the message.  Default
+ *                        categories are "info", "warn", "error", time".
+ *                        Custom categories can be used as well. (opt)
+ * @param  {String}  src  The source of the the message (opt)
+ * @param  {boolean} silent If true, the log event won't fire
+ * @return {YUI}      YUI instance
+ */
+INSTANCE.log = function(msg, cat, src, silent) {
+    var Y = INSTANCE, c = Y.config, bail = false, excl, incl, m, f;
+    // suppress log message if the config is off or the event stack
+    // or the event call stack contains a consumer of the yui:log event
+    if (c.debug) {
+        // apply source filters
+        if (src) {
+
+            excl = c.logExclude; 
+            incl = c.logInclude;
+
+            if (incl && !(src in incl)) {
+                bail = 1;
+            } else if (excl && (src in excl)) {
+                bail = 1;
+            }
+        }
+
+        if (!bail) {
+
+            if (c.useBrowserConsole) {
+                m = (src) ? src + ': ' + msg : msg;
+                if (typeof console != UNDEFINED && console.log) {
+                    f = (cat && console[cat] && (cat in LEVELS)) ? cat : 'log';
+                    console[f](m);
+                } else if (typeof opera != UNDEFINED) {
+                    opera.postError(m);
+                }
+            }
+
+            if (Y.fire && !bail && !silent) {
+                if (!_published) {
+                    Y.publish(LOGEVENT, {
+                        broadcast: 2,
+                        emitFacade: 1
+                    });
+
+                    _published = 1;
+
+                }
+                Y.fire(LOGEVENT, {
+                    msg: msg, 
+                    cat: cat, 
+                    src: src
+                });
+            }
+        }
+    }
+
+    return Y;
+};
+
+/**
+ * Write a system message.  This message will be preserved in the
+ * minified and raw versions of the YUI files, unlike log statements.
+ * @method message
+ * @for YUI
+ * @param  {String}  msg  The message to log.
+ * @param  {String}  cat  The log category for the message.  Default
+ *                        categories are "info", "warn", "error", time".
+ *                        Custom categories can be used as well. (opt)
+ * @param  {String}  src  The source of the the message (opt)
+ * @param  {boolean} silent If true, the log event won't fire
+ * @return {YUI}      YUI instance
+ */
+INSTANCE.message = function() {
+    return INSTANCE.log.apply(INSTANCE, arguments);
+};
+
+})();
+(function() {
+/**
+ * Provides the language utilites and extensions used by the library
+ * @class Lang
+ * @static
+ */
+Y.Lang    = Y.Lang || {};
+
+var L     = Y.Lang, 
+
+ARRAY     = 'array',
+BOOLEAN   = 'boolean',
+DATE      = 'date',
+ERROR     = 'error',
+FUNCTION  = 'function',
+NUMBER    = 'number',
+NULL      = 'null',
+OBJECT    = 'object',
+REGEX     = 'regexp',
+STRING    = 'string',
+TOSTRING  = Object.prototype.toString,
+UNDEFINED = 'undefined',
+
+TYPES     = {
+    'undefined'         : UNDEFINED,
+    'number'            : NUMBER,
+    'boolean'           : BOOLEAN,
+    'string'            : STRING,
+    '[object Function]' : FUNCTION,
+    '[object RegExp]'   : REGEX,
+    '[object Array]'    : ARRAY,
+    '[object Date]'     : DATE,
+    '[object Error]'    : ERROR 
+},
+
+TRIMREGEX = /^\s+|\s+$/g,
+EMPTYSTRING = '';
+
+/**
+ * Determines whether or not the provided item is an array.
+ * Returns false for array-like collections such as the
+ * function arguments collection or HTMLElement collection
+ * will return false.  You can use @see Array.test if you 
+ * want to
+ * @method isArray
+ * @static
+ * @param o The object to test
+ * @return {boolean} true if o is an array
+ */
+L.isArray = function(o) { 
+    return L.type(o) === ARRAY;
+};
+
+/**
+ * Determines whether or not the provided item is a boolean
+ * @method isBoolean
+ * @static
+ * @param o The object to test
+ * @return {boolean} true if o is a boolean
+ */
+L.isBoolean = function(o) {
+    return typeof o === BOOLEAN;
+};
+
+/**
+ * Determines whether or not the provided item is a function
+ * Note: Internet Explorer thinks certain functions are objects:
+ *
+ * var obj = document.createElement("object");
+ * Y.Lang.isFunction(obj.getAttribute) // reports false in IE
+ *
+ * var input = document.createElement("input"); // append to body
+ * Y.Lang.isFunction(input.focus) // reports false in IE
+ *
+ * You will have to implement additional tests if these functions
+ * matter to you.
+ *
+ * @method isFunction
+ * @static
+ * @param o The object to test
+ * @return {boolean} true if o is a function
+ */
+L.isFunction = function(o) {
+    return L.type(o) === FUNCTION;
+};
+    
+/**
+ * Determines whether or not the supplied item is a date instance
+ * @method isDate
+ * @static
+ * @param o The object to test
+ * @return {boolean} true if o is a date
+ */
+L.isDate = function(o) {
+    // return o instanceof Date;
+    return L.type(o) === DATE;
+};
+
+/**
+ * Determines whether or not the provided item is null
+ * @method isNull
+ * @static
+ * @param o The object to test
+ * @return {boolean} true if o is null
+ */
+L.isNull = function(o) {
+    return o === null;
+};
+    
+/**
+ * Determines whether or not the provided item is a legal number
+ * @method isNumber
+ * @static
+ * @param o The object to test
+ * @return {boolean} true if o is a number
+ */
+L.isNumber = function(o) {
+    return typeof o === NUMBER && isFinite(o);
+};
+  
+/**
+ * Determines whether or not the provided item is of type object
+ * or function
+ * @method isObject
+ * @static
+ * @param o The object to test
+ * @param failfn {boolean} fail if the input is a function
+ * @return {boolean} true if o is an object
+ */  
+L.isObject = function(o, failfn) {
+return (o && (typeof o === OBJECT || (!failfn && L.isFunction(o)))) || false;
+};
+    
+/**
+ * Determines whether or not the provided item is a string
+ * @method isString
+ * @static
+ * @param o The object to test
+ * @return {boolean} true if o is a string
+ */
+L.isString = function(o) {
+    return typeof o === STRING;
+};
+    
+/**
+ * Determines whether or not the provided item is undefined
+ * @method isUndefined
+ * @static
+ * @param o The object to test
+ * @return {boolean} true if o is undefined
+ */
+L.isUndefined = function(o) {
+    return typeof o === UNDEFINED;
+};
+
+/**
+ * Returns a string without any leading or trailing whitespace.  If 
+ * the input is not a string, the input will be returned untouched.
+ * @method trim
+ * @static
+ * @param s {string} the string to trim
+ * @return {string} the trimmed string
+ */
+L.trim = function(s){
+    try {
+        return s.replace(TRIMREGEX, EMPTYSTRING);
+    } catch(e) {
+        return s;
+    }
+};
+
+/**
+ * A convenience method for detecting a legitimate non-null value.
+ * Returns false for null/undefined/NaN, true for other values, 
+ * including 0/false/''
+ * @method isValue
+ * @static
+ * @param o The item to test
+ * @return {boolean} true if it is not null/undefined/NaN || false
+ */
+L.isValue = function(o) {
+    var t = L.type(o);
+    switch (t) {
+        case NUMBER:
+            return isFinite(o);
+        case NULL:
+        case UNDEFINED:
+            return false;
+        default:
+            return !!(t);
+    }
+};
+
+/**
+ * Returns a string representing the type of the item passed in.
+ * @method type
+ * @param o the item to test
+ * @return {string} the detected type
+ */
+L.type = function (o) {
+    return  TYPES[typeof o] || TYPES[TOSTRING.call(o)] || (o ? OBJECT : NULL);
+};
+
+})();
+
+/*
+ * Provides information about the environment hosting YUI
+ * @module yui
+ * @submodule Array
+ */
+
+(function() {
+
+var L = Y.Lang, Native = Array.prototype,
+
+/**
+ * Adds the following array utilities to the YUI instance.  Additional
+ * array helpers can be found in the collection component.
+ * @class Array
+ */
+
+/** 
+ * Y.Array(o) returns an array:
+ * - Arrays are return unmodified unless the start position is specified.
+ * - "Array-like" collections (@see Array.test) are converted to arrays
+ * - For everything else, a new array is created with the input as the sole item
+ * - The start position is used if the input is or is like an array to return
+ *   a subset of the collection.
+ *
+ *   @TODO this will not automatically convert elements that are also collections
+ *   such as forms and selects.  Passing true as the third param will
+ *   force a conversion.
+ *
+ * @method ()
+ * @static
+ *   @param o the item to arrayify
+ *   @param i {int} if an array or array-like, this is the start index
+ *   @param al {boolean} if true, it forces the array-like fork.  This
+ *   can be used to avoid multiple array.test calls.
+ *   @return {Array} the resulting array
+ */
+YArray = function(o, startIdx, al) {
+    var t = (al) ? 2 : Y.Array.test(o), i, l, a;
+
+    // switch (t) {
+    //     case 1:
+    //         // return (startIdx) ? o.slice(startIdx) : o;
+    //     case 2:
+    //         return Native.slice.call(o, startIdx || 0);
+    //     default:
+    //         return [o];
+    // }
+
+    if (t) {
+        try {
+            return Native.slice.call(o, startIdx || 0);
+        // IE errors when trying to slice element collections
+        } catch(e) {
+            a=[];
+            for (i=0, l=o.length; i<l; i=i+1) {
+                a.push(o[i]);
+            }
+            return a;
+        }
+    } else {
+        return [o];
+    }
+
+};
+
+Y.Array = YArray;
+
+/** 
+ * Evaluates the input to determine if it is an array, array-like, or 
+ * something else.  This is used to handle the arguments collection 
+ * available within functions, and HTMLElement collections
+ *
+ * @method test
+ * @static
+ *
+ * @todo current implementation (intenionally) will not implicitly 
+ * handle html elements that are array-like (forms, selects, etc).  
+ *
+ * @return {int} a number indicating the results:
+ * 0: Not an array or an array-like collection
+ * 1: A real array. 
+ * 2: array-like collection.
+ */
+YArray.test = function(o) {
+    var r = 0;
+    if (L.isObject(o)) {
+        if (L.isArray(o)) {
+            r = 1; 
+        } else {
+            try {
+                // indexed, but no tagName (element) or alert (window)
+                if ("length" in o && !("tagName" in o) && !("alert" in o) && 
+                    (!Y.Lang.isFunction(o.size) || o.size() > 1)) {
+                    r = 2;
+                }
+                    
+            } catch(e) {}
+        }
+    }
+    return r;
+};
+
+/**
+ * Executes the supplied function on each item in the array.
+ * @method each
+ * @param a {Array} the array to iterate
+ * @param f {Function} the function to execute on each item
+ * @param o Optional context object
+ * @static
+ * @return {YUI} the YUI instance
+ */
+YArray.each = (Native.forEach) ?
+    function (a, f, o) { 
+        Native.forEach.call(a || [], f, o || Y);
+        return Y;
+    } :
+    function (a, f, o) { 
+        var l = (a && a.length) || 0, i;
+        for (i = 0; i < l; i=i+1) {
+            f.call(o || Y, a[i], i, a);
+        }
+        return Y;
+    };
+
+/**
+ * Returns an object using the first array as keys, and
+ * the second as values.  If the second array is not
+ * provided the value is set to true for each.
+ * @method hash
+ * @static
+ * @param k {Array} keyset
+ * @param v {Array} optional valueset
+ * @return {object} the hash
+ */
+YArray.hash = function(k, v) {
+    var o = {}, l = k.length, vl = v && v.length, i;
+    for (i=0; i<l; i=i+1) {
+        o[k[i]] = (vl && vl > i) ? v[i] : true;
+    }
+
+    return o;
+};
+
+/**
+ * Returns the index of the first item in the array
+ * that contains the specified value, -1 if the
+ * value isn't found.
+ * @method indexOf
+ * @static
+ * @param a {Array} the array to search
+ * @param val the value to search for
+ * @return {int} the index of the item that contains the value or -1
+ */
+YArray.indexOf = (Native.indexOf) ?
+    function(a, val) {
+        return Native.indexOf.call(a, val);
+    } :
+    function(a, val) {
+        for (var i=0; i<a.length; i=i+1) {
+            if (a[i] === val) {
+                return i;
+            }
+        }
+
+        return -1;
+    };
+
+/**
+ * Numeric sort convenience function.
+ * Y.ArrayAssert.itemsAreEqual([1, 2, 3], [3, 1, 2].sort(Y.Array.numericSort));
+ * @method numericSort
+ */
+YArray.numericSort = function(a, b) { 
+    return (a - b); 
+};
+
+/**
+ * Executes the supplied function on each item in the array.
+ * Returning true from the processing function will stop the 
+ * processing of the remaining
+ * items.
+ * @method some
+ * @param a {Array} the array to iterate
+ * @param f {Function} the function to execute on each item
+ * @param o Optional context object
+ * @static
+ * @return {boolean} true if the function returns true on
+ * any of the items in the array
+ */
+ YArray.some = (Native.some) ?
+    function (a, f, o) { 
+        return Native.some.call(a, f, o);
+    } :
+    function (a, f, o) {
+        var l = a.length, i;
+        for (i=0; i<l; i=i+1) {
+            if (f.call(o, a[i], i, a)) {
+                return true;
+            }
+        }
+        return false;
+    };
+
+})();
+(function() {
+
+var L = Y.Lang, 
+DELIMITER = '__',
+// FROZEN = {
+//     'prototype': 1,
+//     '_yuid': 1
+// },
+
+/*
+ * IE will not enumerate native functions in a derived object even if the
+ * function was overridden.  This is a workaround for specific functions 
+ * we care about on the Object prototype. 
+ * @property _iefix
+ * @for YUI
+ * @param {Function} r  the object to receive the augmentation
+ * @param {Function} s  the object that supplies the properties to augment
+ * @private
+ */
+_iefix = function(r, s) {
+    var fn = s.toString;
+    if (L.isFunction(fn) && fn != Object.prototype.toString) {
+        r.toString = fn;
+    }
+};
+
+
+/**
+ * Returns a new object containing all of the properties of
+ * all the supplied objects.  The properties from later objects
+ * will overwrite those in earlier objects.  Passing in a
+ * single object will create a shallow copy of it.  For a deep
+ * copy, use clone.
+ * @method merge
+ * @for YUI
+ * @param arguments {Object*} the objects to merge
+ * @return {object} the new merged object
+ */
+Y.merge = function() {
+    var a = arguments, o = {}, i, l = a.length;
+    for (i=0; i<l; i=i+1) {
+        Y.mix(o, a[i], true);
+    }
+    return o;
+};
+   
+/**
+ * Applies the supplier's properties to the receiver.  By default
+ * all prototype and static propertes on the supplier are applied
+ * to the corresponding spot on the receiver.  By default all
+ * properties are applied, and a property that is already on the
+ * reciever will not be overwritten.  The default behavior can
+ * be modified by supplying the appropriate parameters.
+ *
+ * @TODO add constants for the modes
+ *
+ * @method mix
+ * @param {Function} r  the object to receive the augmentation
+ * @param {Function} s  the object that supplies the properties to augment
+ * @param ov {boolean} if true, properties already on the receiver
+ * will be overwritten if found on the supplier.
+ * @param wl {string[]} a whitelist.  If supplied, only properties in 
+ * this list will be applied to the receiver.
+ * @param {int} mode what should be copies, and to where
+ *        default(0): object to object
+ *        1: prototype to prototype (old augment)
+ *        2: prototype to prototype and object props (new augment)
+ *        3: prototype to object
+ *        4: object to prototype
+ * @param merge {boolean} merge objects instead of overwriting/ignoring
+ * Used by Y.aggregate
+ * @return {object} the augmented object
+ */
+Y.mix = function(r, s, ov, wl, mode, merge) {
+
+    if (!s||!r) {
+        return r || Y;
+    }
+
+    if (mode) {
+        switch (mode) {
+            case 1: // proto to proto
+                return Y.mix(r.prototype, s.prototype, ov, wl, 0, merge);
+            case 2: // object to object and proto to proto
+                Y.mix(r.prototype, s.prototype, ov, wl, 0, merge);
+                break; // pass through 
+            case 3: // proto to static
+                return Y.mix(r, s.prototype, ov, wl, 0, merge);
+            case 4: // static to proto
+                return Y.mix(r.prototype, s, ov, wl, 0, merge);
+            default:  // object to object is what happens below
+        }
+    }
+
+    // Maybe don't even need this wl && wl.length check anymore??
+    var arr = merge && L.isArray(r), i, l, p;
+
+    if (wl && wl.length) {
+        for (i = 0, l = wl.length; i < l; ++i) {
+            p = wl[i];
+            if (p in s) {
+                if (merge && L.isObject(r[p], true)) {
+                    Y.mix(r[p], s[p]);
+                } else if (!arr && (ov || !(p in r))) {
+                    r[p] = s[p];
+                } else if (arr) {
+                    r.push(s[p]);
+                }
+            }
+        }
+    } else {
+        for (i in s) { 
+            // if (s.hasOwnProperty(i) && !(i in FROZEN)) {
+                // check white list if it was supplied
+                // if the receiver has this property, it is an object,
+                // and merge is specified, merge the two objects.
+                if (merge && L.isObject(r[i], true)) {
+                    Y.mix(r[i], s[i]); // recursive
+                // otherwise apply the property only if overwrite
+                // is specified or the receiver doesn't have one.
+                } else if (!arr && (ov || !(i in r))) {
+                    r[i] = s[i];
+                // if merge is specified and the receiver is an array,
+                // append the array item
+                } else if (arr) {
+                    r.push(s[i]);
+                }
+            // }
+        }
+    
+        if (Y.UA.ie) {
+            _iefix(r, s);
+        }
+    }
+
+    return r;
+};
+
+/**
+ * Returns a wrapper for a function which caches the
+ * return value of that function, keyed off of the combined 
+ * argument values.
+ * @function cached
+ * @param source {function} the function to memoize
+ * @param cache an optional cache seed
+ * @param refetch if supplied, this value is tested against the cached
+ * value.  If the values are equal, the wrapped function is executed again.
+ * @return {Function} the wrapped function
+ */
+Y.cached = function(source, cache, refetch){
+    cache = cache || {};
+
+    return function(arg1, arg2) {
+
+        var k = (arg2) ? Array.prototype.join.call(arguments, DELIMITER) : arg1,
+            v = cache[k];
+
+        if (!(k in cache) || (refetch && cache[k] == refetch)) {
+            cache[k] = source.apply(source, arguments);
+        }
+
+        return cache[k];
+    };
+
+};
+
+})();
+
+(function() {
+
+/**
+ * Adds the following Object utilities to the YUI instance
+ * @class Object
+ */
+
+/**
+ * Y.Object(o) returns a new object based upon the supplied object.  
+ * @TODO Use native Object.create() when available
+ * @method ()
+ * @static
+ * @param o the supplier object
+ * @return {Object} the new object
+ */
+Y.Object = function(o) {
+    var F = function() {};
+    F.prototype = o;
+    return new F();
+}; 
+
+var O = Y.Object,
+
+UNDEFINED = undefined,
+
+/**
+ * Extracts the keys, values, or size from an object
+ * 
+ * @method _extract
+ * @param o the object
+ * @param what what to extract (0: keys, 1: values, 2: size)
+ * @return {boolean|Array} the extracted info
+ * @static
+ * @private
+ */
+_extract = function(o, what) {
+    var count = (what === 2), out = (count) ? 0 : [], i;
+
+    for (i in o) {
+        if (count) {
+            out++;
+        } else {
+            if (o.hasOwnProperty(i)) {
+                out.push((what) ? o[i] : i);
+            }
+        }
+    }
+
+    return out;
+};
+
+/**
+ * Returns an array containing the object's keys
+ * @TODO use native Object.keys() if available
+ * @method keys
+ * @static
+ * @param o an object
+ * @return {string[]} the keys
+ */
+O.keys = function(o) {
+    return _extract(o);
+};
+
+/**
+ * Returns an array containing the object's values
+ * @TODO use native Object.values() if available
+ * @method values
+ * @static
+ * @param o an object
+ * @return {Array} the values
+ */
+O.values = function(o) {
+    return _extract(o, 1);
+};
+
+/**
+ * Returns the size of an object
+ * @TODO use native Object.size() if available
+ * @method size
+ * @static
+ * @param o an object
+ * @return {int} the size
+ */
+O.size = function(o) {
+    return _extract(o, 2);
+};
+
+/**
+ * Returns true if the object contains a given key
+ * @method hasKey
+ * @static
+ * @param o an object
+ * @param k the key to query
+ * @return {boolean} true if the object contains the key
+ */
+O.hasKey = function(o, k) {
+    // return (o.hasOwnProperty(k));
+    return (k in o);
+};
+
+/**
+ * Returns true if the object contains a given value
+ * @method hasValue
+ * @static
+ * @param o an object
+ * @param v the value to query
+ * @return {boolean} true if the object contains the value
+ */
+O.hasValue = function(o, v) {
+    return (Y.Array.indexOf(O.values(o), v) > -1);
+};
+
+/**
+ * Determines whether or not the property was added
+ * to the object instance.  Returns false if the property is not present
+ * in the object, or was inherited from the prototype.
+ *
+ * @deprecated Safari 1.x support has been removed, so this is simply a 
+ * wrapper for the native implementation.  Use the native implementation
+ * directly instead.
+ *
+ * @TODO Remove in B1
+ *
+ * @method owns
+ * @static
+ * @param o {any} The object being testing
+ * @param p {string} the property to look for
+ * @return {boolean} true if the object has the property on the instance
+ */
+O.owns = function(o, k) {
+    return (o.hasOwnProperty(k));
+};
+
+/**
+ * Executes a function on each item. The function
+ * receives the value, the key, and the object
+ * as paramters (in that order).
+ * @method each
+ * @static
+ * @param o the object to iterate
+ * @param f {function} the function to execute
+ * @param c the execution context
+ * @param proto {boolean} include proto
+ * @return {YUI} the YUI instance
+ */
+O.each = function (o, f, c, proto) {
+    var s = c || Y, i;
+
+    for (i in o) {
+        if (proto || o.hasOwnProperty(i)) {
+            f.call(s, o[i], i, o);
+        }
+    }
+    return Y;
+};
+
+/**
+ * Retrieves the sub value at the provided path,
+ * from the value object provided.
+ *
+ * @method getValue
+ * @param o The object from which to extract the property value
+ * @param path {Array} A path array, specifying the object traversal path
+ * from which to obtain the sub value.
+ * @return {Any} The value stored in the path, undefined if not found.
+ * Returns the source object if an empty path is provided.
+ */
+O.getValue = function (o, path) {
+    var p=Y.Array(path), l=p.length, i;
+
+    for (i=0; o !== UNDEFINED && i < l; i=i+1) {
+        o = o[p[i]];
+    }
+
+    return o;
+};
+
+/**
+ * Sets the sub-attribute value at the provided path on the 
+ * value object.  Returns the modified value object, or 
+ * undefined if the path is invalid.
+ *
+ * @method setValue
+ * @param o             The object on which to set the sub value.
+ * @param path {Array}  A path array, specifying the object traversal path
+ *                      at which to set the sub value.
+ * @param val {Any}     The new value for the sub-attribute.
+ * @return {Object}     The modified object, with the new sub value set, or 
+ *                      undefined, if the path was invalid.
+ */
+O.setValue = function(o, path, val) {
+
+    var p=Y.Array(path), leafIdx=p.length-1, i, ref=o;
+
+    if (leafIdx >= 0) {
+        for (i=0; ref !== UNDEFINED && i < leafIdx; i=i+1) {
+            ref = ref[p[i]];
+        }
+
+        if (ref !== UNDEFINED) {
+            ref[p[i]] = val;
+        } else {
+            return UNDEFINED;
+        }
+    }
+
+    return o;
+};
+
+
+})();
+
+/*
+ * Provides information about the environment hosting YUI
+ * @module yui
+ * @submodule UA
+ */
+/**
+ * YUI user agent detection.
+ * Do not fork for a browser if it can be avoided.  Use feature detection when
+ * you can.  Use the user agent as a last resort.  UA stores a version
+ * number for the browser engine, 0 otherwise.  This value may or may not map
+ * to the version number of the browser using the engine.  The value is 
+ * presented as a float so that it can easily be used for boolean evaluation 
+ * as well as for looking for a particular range of versions.  Because of this, 
+ * some of the granularity of the version info may be lost (e.g., Gecko 1.8.0.9 
+ * reports 1.8).
+ * @class UA
+ * @static
+ */
+Y.UA = function() {
+
+    var numberfy = function(s) {
+            var c = 0;
+            return parseFloat(s.replace(/\./g, function() {
+                return (c++ == 1) ? '' : '.';
+            }));
+        },
+    
+        nav = navigator,
+
+        o = {
+
+        /**
+         * Internet Explorer version number or 0.  Example: 6
+         * @property ie
+         * @type float
+         * @static
+         */
+        ie: 0,
+
+        /**
+         * Opera version number or 0.  Example: 9.2
+         * @property opera
+         * @type float
+         * @static
+         */
+        opera: 0,
+
+        /**
+         * Gecko engine revision number.  Will evaluate to 1 if Gecko 
+         * is detected but the revision could not be found. Other browsers
+         * will be 0.  Example: 1.8
+         * <pre>
+         * Firefox 1.0.0.4: 1.7.8   <-- Reports 1.7
+         * Firefox 1.5.0.9: 1.8.0.9 <-- Reports 1.8
+         * Firefox 2.0.0.3: 1.8.1.3 <-- Reports 1.8
+         * Firefox 3 alpha: 1.9a4   <-- Reports 1.9
+         * </pre>
+         * @property gecko
+         * @type float
+         * @static
+         */
+        gecko: 0,
+
+        /**
+         * AppleWebKit version.  KHTML browsers that are not WebKit browsers 
+         * will evaluate to 1, other browsers 0.  Example: 418.9
+         * <pre>
+         * Safari 1.3.2 (312.6): 312.8.1 <-- Reports 312.8 -- currently the 
+         *                                   latest available for Mac OSX 10.3.
+         * Safari 2.0.2:         416     <-- hasOwnProperty introduced
+         * Safari 2.0.4:         418     <-- preventDefault fixed
+         * Safari 2.0.4 (419.3): 418.9.1 <-- One version of Safari may run
+         *                                   different versions of webkit
+         * Safari 2.0.4 (419.3): 419     <-- Tiger installations that have been
+         *                                   updated, but not updated
+         *                                   to the latest patch.
+         * Webkit 212 nightly:   522+    <-- Safari 3.0 precursor (with native SVG
+         *                                   and many major issues fixed).
+         * Safari 3.0.4 (523.12) 523.12  <-- First Tiger release - automatic update
+         *                                   from 2.x via the 10.4.11 OS patch
+         * Webkit nightly 1/2008:525+    <-- Supports DOMContentLoaded event.
+         *                                   yahoo.com user agent hack removed.
+         * </pre>
+         * http://en.wikipedia.org/wiki/Safari_(web_browser)#Version_history
+         * @property webkit
+         * @type float
+         * @static
+         */
+        webkit: 0,
+
+        /**
+         * The mobile property will be set to a string containing any relevant
+         * user agent information when a modern mobile browser is detected.
+         * Currently limited to Safari on the iPhone/iPod Touch, Nokia N-series
+         * devices with the WebKit-based browser, and Opera Mini.  
+         * @property mobile 
+         * @type string
+         * @static
+         */
+        mobile: null,
+
+        /**
+         * Adobe AIR version number or 0.  Only populated if webkit is detected.
+         * Example: 1.0
+         * @property air
+         * @type float
+         */
+        air: 0,
+
+        /**
+         * Google Caja version number or 0.
+         * @property caja
+         * @type float
+         */
+        caja: nav.cajaVersion,
+
+        /**
+         * Set to true if the page appears to be in SSL
+         * @property secure
+         * @type boolean
+         * @static
+         */
+        secure: false,
+
+        /**
+         * The operating system.  Currently only detecting windows or macintosh
+         * @property os
+         * @type string
+         * @static
+         */
+        os: null
+        
+    },
+
+    ua = nav && nav.userAgent, 
+
+    loc = Y.config.win.location,
+
+    href = loc && loc.href,
+    
+    m;
+
+    o.secure = href && (href.toLowerCase().indexOf("https") === 0);
+
+    if (ua) {
+
+        if ((/windows|win32/i).test(ua)) {
+            o.os = 'windows';
+        } else if ((/macintosh/i).test(ua)) {
+            o.os = 'macintosh';
+        }
+
+        // Modern KHTML browsers should qualify as Safari X-Grade
+        if ((/KHTML/).test(ua)) {
+            o.webkit=1;
+        }
+        // Modern WebKit browsers are at least X-Grade
+        m=ua.match(/AppleWebKit\/([^\s]*)/);
+        if (m&&m[1]) {
+            o.webkit=numberfy(m[1]);
+
+            // Mobile browser check
+            if (/ Mobile\//.test(ua)) {
+                o.mobile = "Apple"; // iPhone or iPod Touch
+            } else {
+                m=ua.match(/NokiaN[^\/]*|Android \d\.\d|webOS\/\d\.\d/);
+                if (m) {
+                    o.mobile = m[0]; // Nokia N-series, Android, webOS, ex: NokiaN95
+                }
+            }
+
+            m=ua.match(/AdobeAIR\/([^\s]*)/);
+            if (m) {
+                o.air = m[0]; // Adobe AIR 1.0 or better
+            }
+
+        }
+
+        if (!o.webkit) { // not webkit
+            // @todo check Opera/8.01 (J2ME/MIDP; Opera Mini/2.0.4509/1316; fi; U; ssr)
+            m=ua.match(/Opera[\s\/]([^\s]*)/);
+            if (m&&m[1]) {
+                o.opera=numberfy(m[1]);
+                m=ua.match(/Opera Mini[^;]*/);
+                if (m) {
+                    o.mobile = m[0]; // ex: Opera Mini/2.0.4509/1316
+                }
+            } else { // not opera or webkit
+                m=ua.match(/MSIE\s([^;]*)/);
+                if (m&&m[1]) {
+                    o.ie=numberfy(m[1]);
+                } else { // not opera, webkit, or ie
+                    m=ua.match(/Gecko\/([^\s]*)/);
+                    if (m) {
+                        o.gecko=1; // Gecko detected, look for revision
+                        m=ua.match(/rv:([^\s\)]*)/);
+                        if (m&&m[1]) {
+                            o.gecko=numberfy(m[1]);
+                        }
+                    }
+                }
+            }
+        }
+    }
+    
+    return o;
+}();
+(function() {
+    var L = Y.Lang,
+
+    /**
+     * Executes the supplied function in the context of the supplied 
+     * object 'when' milliseconds later.  Executes the function a 
+     * single time unless periodic is set to true.
+     * @method later
+     * @for YUI
+     * @param when {int} the number of milliseconds to wait until the fn 
+     * is executed.
+     * @param o the context object.
+     * @param fn {Function|String} the function to execute or the name of 
+     * the method in the 'o' object to execute.
+     * @param data [Array] data that is provided to the function.  This accepts
+     * either a single item or an array.  If an array is provided, the
+     * function is executed with one parameter for each array item.  If
+     * you need to pass a single array parameter, it needs to be wrapped in
+     * an array [myarray].
+     * @param periodic {boolean} if true, executes continuously at supplied 
+     * interval until canceled.
+     * @return {object} a timer object. Call the cancel() method on this object to 
+     * stop the timer.
+     */
+    later = function(when, o, fn, data, periodic) {
+        when = when || 0; 
+        o = o || {};
+        var m=fn, d=data, f, r;
+
+        if (L.isString(fn)) {
+            m = o[fn];
+        }
+
+        if (!m) {
+            Y.error("method undefined");
+        }
+
+        if (!L.isArray(d)) {
+            d = [data];
+        }
+
+        f = function() {
+            m.apply(o, d);
+        };
+
+        r = (periodic) ? setInterval(f, when) : setTimeout(f, when);
+
+        return {
+            id: r,
+            interval: periodic,
+            cancel: function() {
+                if (this.interval) {
+                    clearInterval(r);
+                } else {
+                    clearTimeout(r);
+                }
+            }
+        };
+    };
+
+    Y.later = later;
+    L.later = later;
+
+})();
+(function() {
+
+    var min = ['yui-base'], core, C = Y.config, LOADER='loader';
+
+    // apply the minimal required functionality
+    Y.use.apply(Y, min);
+
+
+    if (C.core) {
+        core = C.core;
+    } else {
+        core = ['queue-base', 'get'];
+        if (YUI.Env.mods[LOADER]) {
+            core.push(LOADER);
+        }
+    }
+
+    Y.use.apply(Y, core);
+     
+})();
+
+
+
+}, '3.0.0' );