diff -r 000000000000 -r 40c8f766c9b8 src/cm/media/js/lib/yui/yui3.0.0/build/loader/loader-debug.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui3.0.0/build/loader/loader-debug.js	Mon Nov 23 15:14:29 2009 +0100
@@ -0,0 +1,2166 @@
+/*
+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
+*/
+YUI.add('loader', function(Y) {
+
+(function() {
+/**
+ * Loader dynamically loads script and css files.  It includes the dependency
+ * info for the version of the library in use, and will automatically pull in
+ * dependencies for the modules requested.  It supports rollup files and will
+ * automatically use these when appropriate in order to minimize the number of
+ * http connections required to load all of the dependencies.  It can load the
+ * files from the Yahoo! CDN, and it can utilize the combo service provided on
+ * this network to reduce the number of http connections required to download 
+ * YUI files.
+ *
+ * @module loader
+ */
+
+/**
+ * Loader dynamically loads script and css files.  It includes the dependency
+ * info for the version of the library in use, and will automatically pull in
+ * dependencies for the modules requested.  It supports rollup files and will
+ * automatically use these when appropriate in order to minimize the number of
+ * http connections required to load all of the dependencies.  It can load the
+ * files from the Yahoo! CDN, and it can utilize the combo service provided on
+ * this network to reduce the number of http connections required to download 
+ * YUI files.
+ *
+ * While the loader can be instantiated by the end user, it normally is not.
+ * @see YUI.use for the normal use case.  The use function automatically will
+ * pull in missing dependencies.
+ *
+ * @class Loader
+ * @constructor
+ * @param o an optional set of configuration options.  Valid options:
+ * <ul>
+ *  <li>base:
+ *  The base dir</li>
+ *  <li>secureBase:
+ *  The secure base dir (not implemented)</li>
+ *  <li>comboBase:
+ *  The YUI combo service base dir. Ex: http://yui.yahooapis.com/combo?</li>
+ *  <li>root:
+ *  The root path to prepend to module names for the combo service. Ex: 2.5.2/build/</li>
+ *  <li>filter:
+ *  
+ * 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>
+ *
+ *  </li>
+ *  <li>filters: per-component filter specification.  If specified for a given component, this overrides the filter config</li>
+ *  <li>combine:
+ *  Use the YUI combo service to reduce the number of http connections required to load your dependencies</li>
+ *  <li>ignore:
+ *  A list of modules that should never be dynamically loaded</li>
+ *  <li>force:
+ *  A list of modules that should always be loaded when required, even if already present on the page</li>
+ *  <li>insertBefore:
+ *  Node or id for a node that should be used as the insertion point for new nodes</li>
+ *  <li>charset:
+ *  charset for dynamic nodes (deprecated, use jsAttributes or cssAttributes)</li>
+ *  <li>jsAttributes: object literal containing attributes to add to script nodes</li>
+ *  <li>cssAttributes: object literal containing attributes to add to link nodes</li>
+ *  <li>timeout:
+ *  number of milliseconds before a timeout occurs when dynamically loading nodes.  in not set, there is no timeout</li>
+ *  <li>context:
+ *  execution context for all callbacks</li>
+ *  <li>onSuccess:
+ *  callback for the 'success' event</li>
+ *  <li>onFailure: callback for the 'failure' event</li>
+ *  <li>onCSS: callback for the 'CSSComplete' event.  When loading YUI components with CSS
+ *  the CSS is loaded first, then the script.  This provides a moment you can tie into to improve
+ *  the presentation of the page while the script is loading.</li>
+ *  <li>onTimeout:
+ *  callback for the 'timeout' event</li>
+ *  <li>onProgress:
+ *  callback executed each time a script or css file is loaded</li>
+ *  <li>modules:
+ *  A list of module definitions.  See Loader.addModule for the supported module metadata</li>
+ * </ul>
+ */
+
+/*
+ * Global loader queue
+ * @property _loaderQueue
+ * @type Queue
+ * @private
+ */
+YUI.Env._loaderQueue = YUI.Env._loaderQueue || new Y.Queue();
+
+var NOT_FOUND = {},
+    GLOBAL_ENV = YUI.Env,
+    GLOBAL_LOADED,
+    BASE = 'base', 
+    CSS = 'css',
+    JS = 'js',
+    CSSRESET = 'cssreset',
+    CSSFONTS = 'cssfonts',
+    CSSGRIDS = 'cssgrids',
+    CSSBASE  = 'cssbase',
+    CSS_AFTER = [CSSRESET, CSSFONTS, CSSGRIDS, 
+                 'cssreset-context', 'cssfonts-context', 'cssgrids-context'],
+    YUI_CSS = ['reset', 'fonts', 'grids', BASE],
+    VERSION = Y.version,
+    ROOT = VERSION + '/build/',
+    CONTEXT = '-context',
+
+    ANIMBASE = 'anim-base',
+	ATTRIBUTE = 'attribute',
+    ATTRIBUTEBASE = ATTRIBUTE + '-base',
+    BASEBASE = 'base-base',
+    DDDRAG = 'dd-drag',
+    DOM = 'dom',
+    DATASCHEMABASE = 'dataschema-base',
+    DATASOURCELOCAL = 'datasource-local',
+    DOMBASE = 'dom-base',
+    DOMSTYLE = 'dom-style',
+    DOMSCREEN = 'dom-screen',
+    DUMP = 'dump',
+    GET = 'get',
+    EVENTBASE = 'event-base',
+    EVENTCUSTOM = 'event-custom',
+    EVENTCUSTOMBASE = 'event-custom-base',
+    IOBASE = 'io-base',
+    NODE = 'node',
+    NODEBASE = 'node-base',
+    NODESTYLE = 'node-style',
+    NODESCREEN = 'node-screen',
+    OOP = 'oop',
+    PLUGINHOST = 'pluginhost',
+    SELECTORCSS2 = 'selector-css2',
+    SUBSTITUTE = 'substitute',
+    WIDGET = 'widget',
+    WIDGETPOSITION = 'widget-position',
+    YUIBASE = 'yui-base',
+
+	PLUGIN = 'plugin',
+
+    META = {
+
+    version: VERSION,
+
+    root: ROOT,
+
+    base: 'http://yui.yahooapis.com/' + ROOT,
+
+    comboBase: 'http://yui.yahooapis.com/combo?',
+
+    skin: {
+        defaultSkin: 'sam',
+        base: 'assets/skins/',
+        path: 'skin.css',
+        after: CSS_AFTER
+        //rollup: 3
+    },
+
+    modules: {
+
+       dom: {
+            requires: [OOP],
+            submodules: {
+
+                'dom-base': {
+                    requires: [OOP]
+                },
+
+                'dom-style': {
+                    requires: [DOMBASE]
+                },
+
+                'dom-screen': {
+                    requires: [DOMBASE, DOMSTYLE]
+                },
+
+                'selector-native': {
+                    requires: [DOMBASE]
+                },
+
+                'selector-css2': {
+                    requires: ['selector-native']
+                },
+
+                'selector': {
+                    requires: [DOMBASE]
+                }
+
+            },
+
+            plugins: {
+                'selector-css3': {
+                    requires: [SELECTORCSS2]
+                }
+            }
+        },
+
+        node: {
+            requires: [DOM, EVENTBASE],
+            // expound: EVENT,
+
+            submodules: {
+                'node-base': {
+                    requires: [DOMBASE, SELECTORCSS2, EVENTBASE]
+                },
+
+                'node-style': {
+                    requires: [DOMSTYLE, NODEBASE]
+                },
+
+                'node-screen': {
+                    requires: [DOMSCREEN, NODEBASE]
+                },
+
+                'node-pluginhost': {
+                    requires: [NODEBASE, PLUGINHOST]
+                },
+
+
+                'node-event-delegate': {
+                    requires: [NODEBASE, 'event-delegate']
+                }
+            },
+
+            plugins: {
+                'node-event-simulate': {
+                    requires: [NODEBASE, 'event-simulate']
+                }
+            }
+        },
+
+        anim: {
+            submodules: {
+
+                'anim-base': {
+                    requires: [BASEBASE, NODESTYLE]
+                },
+
+                'anim-color': {
+                    requires: [ANIMBASE]
+                },
+
+                'anim-easing': {
+                    requires: [ANIMBASE]
+                },
+
+                'anim-scroll': {
+                    requires: [ANIMBASE]
+                },
+
+                'anim-xy': {
+                    requires: [ANIMBASE, NODESCREEN]
+                },
+
+                'anim-curve': {
+                    requires: ['anim-xy']
+                },
+
+                'anim-node-plugin': {
+                     requires: ['node-pluginhost', ANIMBASE]
+                }
+            }
+        },
+
+        attribute: { 
+            submodules: {
+                'attribute-base': {
+                    requires: [EVENTCUSTOM]
+                },
+
+                'attribute-complex': {
+                    requires: [ATTRIBUTEBASE]
+                }
+            }
+        },
+
+        base: {
+            submodules: {
+                'base-base': {
+                    requires: [ATTRIBUTEBASE]
+                },
+
+                'base-build': {
+                    requires: [BASEBASE]
+                },
+
+                'base-pluginhost': {
+                    requires: [BASEBASE, PLUGINHOST]
+                }
+            }
+        },
+
+        cache: { 
+            requires: [PLUGIN]
+        },
+        
+        compat: { 
+            requires: [NODE, DUMP, SUBSTITUTE]
+        },
+
+        classnamemanager: { 
+            requires: [YUIBASE]
+        },
+
+        collection: { 
+            requires: [OOP]
+        },
+
+        console: {
+            requires: ['yui-log', WIDGET, SUBSTITUTE],
+            skinnable: true,
+            plugins: {
+                'console-filters': {
+                    requires: [PLUGIN, 'console'],
+                    skinnable: true
+                }
+            }
+        },
+        
+        cookie: { 
+            requires: [YUIBASE]
+        },
+
+        dataschema:{
+            submodules: {
+                'dataschema-base': {
+                    requires: [BASE]
+                },
+                'dataschema-array': {
+                    requires: [DATASCHEMABASE]
+                },
+                'dataschema-json': {
+                    requires: [DATASCHEMABASE, 'json']
+                },
+                'dataschema-text': {
+                    requires: [DATASCHEMABASE]
+                },
+                'dataschema-xml': {
+                    requires: [DATASCHEMABASE]
+                }
+            }
+        },
+
+        datasource:{
+            submodules: {
+                'datasource-local': {
+                    requires: [BASE]
+                },
+                'datasource-arrayschema': {
+                    requires: [DATASOURCELOCAL, PLUGIN, 'dataschema-array']
+                },
+                'datasource-cache': {
+                    requires: [DATASOURCELOCAL, 'cache']
+                },
+                'datasource-function': {
+                    requires: [DATASOURCELOCAL]
+                },
+                'datasource-jsonschema': {
+                    requires: [DATASOURCELOCAL, PLUGIN, 'dataschema-json']
+                },
+                'datasource-polling': {
+                    requires: [DATASOURCELOCAL]
+                },
+                'datasource-get': {
+                    requires: [DATASOURCELOCAL, GET]
+                },
+                'datasource-textschema': {
+                    requires: [DATASOURCELOCAL, PLUGIN, 'dataschema-text']
+                },
+                'datasource-io': {
+                    requires: [DATASOURCELOCAL, IOBASE]
+                },
+                'datasource-xmlschema': {
+                    requires: [DATASOURCELOCAL, PLUGIN, 'dataschema-xml']
+                }
+            }
+        },
+
+        datatype:{
+            submodules: {
+                'datatype-date': {
+                    requires: [YUIBASE]
+                },
+                'datatype-number': {
+                    requires: [YUIBASE]
+                },
+                'datatype-xml': {
+                    requires: [YUIBASE]
+                }
+            }
+        },
+
+        dd:{
+            submodules: {
+                'dd-ddm-base': {
+                    requires: [NODE, BASE]
+                }, 
+                'dd-ddm':{
+                    requires: ['dd-ddm-base', 'event-resize']
+                }, 
+                'dd-ddm-drop':{
+                    requires: ['dd-ddm']
+                }, 
+                'dd-drag':{
+                    requires: ['dd-ddm-base']
+                }, 
+                'dd-drop':{
+                    requires: ['dd-ddm-drop']
+                }, 
+                'dd-proxy':{
+                    requires: [DDDRAG]
+                }, 
+                'dd-constrain':{
+                    requires: [DDDRAG]
+                }, 
+                'dd-scroll':{
+                    requires: [DDDRAG]
+                }, 
+                'dd-plugin':{
+                    requires: [DDDRAG],
+                    optional: ['dd-constrain', 'dd-proxy']
+                },
+                'dd-drop-plugin':{
+                    requires: ['dd-drop']
+                }
+            }
+        },
+
+        dump: { 
+            requires: [YUIBASE]
+        },
+
+        event: { 
+            expound: NODEBASE,
+            submodules: {
+                'event-base': {
+                    expound: NODEBASE,
+                    requires: [EVENTCUSTOMBASE]
+                },
+                'event-delegate': {
+                    requires: [NODEBASE]
+                },
+                'event-focus': {
+                    requires: [NODEBASE]
+                },
+                'event-key': {
+                    requires: [NODEBASE]
+                },
+                'event-mouseenter': {
+                    requires: [NODEBASE]
+                },
+                'event-mousewheel': {
+                    requires: [NODEBASE]
+                },
+                'event-resize': {
+                    requires: [NODEBASE]
+                }
+            }
+        },
+
+        'event-custom': { 
+            submodules: {
+                'event-custom-base': {
+                    requires: [OOP, 'yui-later']
+                },
+                'event-custom-complex': {
+                    requires: [EVENTCUSTOMBASE]
+                }
+            }
+        },
+
+        'event-simulate': { 
+            requires: [EVENTBASE]
+        },
+
+        'node-focusmanager': { 
+            requires: [ATTRIBUTE, NODE, PLUGIN, 'node-event-simulate', 'event-key', 'event-focus']
+        },
+
+        history: { 
+            requires: [NODE]
+        },
+
+        imageloader: { 
+            requires: [BASEBASE, NODESTYLE, NODESCREEN]
+        },
+
+        io:{
+            submodules: {
+
+                'io-base': {
+                    requires: [EVENTCUSTOMBASE]
+                }, 
+
+                'io-xdr': {
+                    requires: [IOBASE, 'datatype-xml']
+                }, 
+
+                'io-form': {
+                    requires: [IOBASE, NODEBASE, NODESTYLE]
+                }, 
+
+                'io-upload-iframe': {
+                    requires: [IOBASE, NODEBASE]
+                },
+
+                'io-queue': {
+                    requires: [IOBASE, 'queue-promote']
+                }
+            }
+        },
+
+        json: {
+            submodules: {
+                'json-parse': {
+                    requires: [YUIBASE]
+                },
+
+                'json-stringify': {
+                    requires: [YUIBASE]
+                }
+            }
+        },
+
+        loader: { 
+            requires: [GET]
+        },
+
+        'node-menunav': {
+            requires: [NODE, 'classnamemanager', PLUGIN, 'node-focusmanager'],
+            skinnable: true
+        },
+        
+        oop: { 
+            requires: [YUIBASE]
+        },
+
+        overlay: {
+            requires: [WIDGET, WIDGETPOSITION, 'widget-position-ext', 'widget-stack', 'widget-stdmod'],
+            skinnable: true
+        },
+
+        plugin: { 
+            requires: [BASEBASE]
+        },
+
+        pluginhost: { 
+            requires: [YUIBASE]
+        },
+
+        profiler: { 
+            requires: [YUIBASE]
+        },
+
+        'queue-promote': {
+            requires: [YUIBASE]
+        },
+
+        // deprecated package, replaced with async-queue
+        'queue-run': {
+            requires: [EVENTCUSTOM],
+            path: 'async-queue/async-queue-min.js'
+        },
+
+        'async-queue': {
+            requires: [EVENTCUSTOM],
+            supersedes: ['queue-run']
+        },
+
+        slider: {
+            requires: [WIDGET, 'dd-constrain'],
+            skinnable: true
+        },
+
+        stylesheet: { 
+            requires: [YUIBASE]
+        },
+
+        substitute: {
+            optional: [DUMP]
+        },
+
+        widget: {
+            requires: [ATTRIBUTE, 'event-focus', BASE, NODE, 'classnamemanager'],
+            plugins: {
+                'widget-position': { },
+                'widget-position-ext': {
+                    requires: [WIDGETPOSITION]
+                },
+                'widget-stack': {
+                    skinnable: true
+                },
+                'widget-stdmod': { }
+            },
+            skinnable: true
+        },
+
+        yui: {
+            submodules: {
+                'yui-base': {},
+                get: {},
+                'yui-log': {},
+                'yui-later': {}
+            }
+        },
+
+        test: {                                                                                                                                                        
+            requires: [SUBSTITUTE, NODE, 'json', 'event-simulate']                                                                                                                     
+        }  
+
+    }
+},
+
+_path = Y.cached(function(dir, file, type) {
+    return dir + '/' + file + '-min.' + (type || CSS);
+}),
+
+_queue = YUI.Env._loaderQueue,
+
+mods  = META.modules, i, bname, mname, contextname,
+L     = Y.Lang;
+
+// Create the metadata for both the regular and context-aware
+// versions of the YUI CSS foundation.
+for (i=0; i<YUI_CSS.length; i=i+1) {
+    bname = YUI_CSS[i];
+    mname = CSS + bname;
+
+    mods[mname] = {
+        type: CSS,
+        path: _path(mname, bname)
+    };
+
+    // define -context module
+    contextname = mname + CONTEXT;
+    bname = bname + CONTEXT;
+
+    mods[contextname] = {
+        type: CSS,
+        path: _path(mname, bname)
+    };
+
+    if (mname == CSSGRIDS) {
+        mods[mname].requires = [CSSFONTS];
+        mods[mname].optional = [CSSRESET];
+        mods[contextname].requires = [CSSFONTS + CONTEXT];
+        mods[contextname].optional = [CSSRESET + CONTEXT];
+    } else if (mname == CSSBASE) {
+        mods[mname].after = CSS_AFTER;
+        mods[contextname].after = CSS_AFTER;
+    }
+}
+
+Y.Env.meta = META;
+
+GLOBAL_LOADED = GLOBAL_ENV._loaded;
+
+Y.Loader = function(o) {
+
+    /**
+     * Internal callback to handle multiple internal insert() calls
+     * so that css is inserted prior to js
+     * @property _internalCallback
+     * @private
+     */
+    // this._internalCallback = null;
+
+    /**
+     * Callback that will be executed when the loader is finished
+     * with an insert
+     * @method onSuccess
+     * @type function
+     */
+    // this.onSuccess = null;
+
+    /**
+     * Callback that will be executed if there is a failure
+     * @method onFailure
+     * @type function
+     */
+    // this.onFailure = null;
+
+    /**
+     * Callback for the 'CSSComplete' event.  When loading YUI components with CSS
+     * the CSS is loaded first, then the script.  This provides a moment you can tie into to improve
+     * the presentation of the page while the script is loading.
+     * @method onCSS
+     * @type function
+     */
+    // this.onCSS = null;
+
+    /**
+     * Callback executed each time a script or css file is loaded
+     * @method onProgress
+     * @type function
+     */
+    // this.onProgress = null;
+
+    /**
+     * Callback that will be executed if a timeout occurs
+     * @method onTimeout
+     * @type function
+     */
+    // this.onTimeout = null;
+
+    /**
+     * The execution context for all callbacks
+     * @property context
+     * @default {YUI} the YUI instance
+     */
+    this.context = Y;
+
+    /**
+     * Data that is passed to all callbacks
+     * @property data
+     */
+    // this.data = null;
+
+    /**
+     * Node reference or id where new nodes should be inserted before
+     * @property insertBefore
+     * @type string|HTMLElement
+     */
+    // this.insertBefore = null;
+
+    /**
+     * The charset attribute for inserted nodes
+     * @property charset
+     * @type string
+     * @deprecated, use cssAttributes or jsAttributes
+     */
+    // this.charset = null;
+
+    /**
+     * An object literal containing attributes to add to link nodes
+     * @property cssAttributes
+     * @type object
+     */
+    // this.cssAttributes = null;
+
+    /**
+     * An object literal containing attributes to add to script nodes
+     * @property jsAttributes
+     * @type object
+     */
+    // this.jsAttributes = null;
+
+    /**
+     * The base directory.
+     * @property base
+     * @type string
+     * @default http://yui.yahooapis.com/[YUI VERSION]/build/
+     */
+    this.base = Y.Env.meta.base;
+
+    /**
+     * Base path for the combo service
+     * @property comboBase
+     * @type string
+     * @default http://yui.yahooapis.com/combo?
+     */
+    this.comboBase = Y.Env.meta.comboBase;
+
+    /**
+     * If configured, YUI JS resources will use the combo
+     * handler
+     * @property combine
+     * @type boolean
+     * @default true if a base dir isn't in the config
+     */
+    this.combine = o.base && (o.base.indexOf( this.comboBase.substr(0, 20)) > -1);
+
+    /**
+     * Ignore modules registered on the YUI global
+     * @property ignoreRegistered
+     * @default false
+     */
+    // this.ignoreRegistered = false;
+
+    /**
+     * Root path to prepend to module path for the combo
+     * service
+     * @property root
+     * @type string
+     * @default [YUI VERSION]/build/
+     */
+    this.root = Y.Env.meta.root;
+
+    /**
+     * Timeout value in milliseconds.  If set, this value will be used by
+     * the get utility.  the timeout event will fire if
+     * a timeout occurs.
+     * @property timeout
+     * @type int
+     */
+    this.timeout = 0;
+
+    /**
+     * A list of modules that should not be loaded, even if
+     * they turn up in the dependency tree
+     * @property ignore
+     * @type string[]
+     */
+    // this.ignore = null;
+
+    /**
+     * A list of modules that should always be loaded, even
+     * if they have already been inserted into the page.
+     * @property force
+     * @type string[]
+     */
+    // this.force = null;
+
+    this.forceMap = {};
+
+    /**
+     * Should we allow rollups
+     * @property allowRollup
+     * @type boolean
+     * @default true
+     */
+    // this.allowRollup = true;
+
+    /**
+     * 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>
+     * @property filter
+     * @type string|{searchExp: string, replaceStr: string}
+     */
+    // this.filter = null;
+
+    /**
+     * per-component filter specification.  If specified for a given component, this 
+     * overrides the filter config.
+     * @property filters
+     * @type object
+     */
+    this.filters = {};
+
+    /**
+     * The list of requested modules
+     * @property required
+     * @type {string: boolean}
+     */
+    this.required = {};
+
+    /**
+     * The library metadata
+     * @property moduleInfo
+     */
+    // this.moduleInfo = Y.merge(Y.Env.meta.moduleInfo);
+    this.moduleInfo = {};
+
+    /**
+     * Provides the information used to skin the skinnable components.
+     * The following skin definition would result in 'skin1' and 'skin2'
+     * being loaded for calendar (if calendar was requested), and
+     * 'sam' for all other skinnable components:
+     *
+     *   <code>
+     *   skin: {
+     *
+     *      // The default skin, which is automatically applied if not
+     *      // overriden by a component-specific skin definition.
+     *      // Change this in to apply a different skin globally
+     *      defaultSkin: 'sam', 
+     *
+     *      // This is combined with the loader base property to get
+     *      // the default root directory for a skin. ex:
+     *      // http://yui.yahooapis.com/2.3.0/build/assets/skins/sam/
+     *      base: 'assets/skins/',
+     *
+     *      // The name of the rollup css file for the skin
+     *      path: 'skin.css',
+     *
+     *      // The number of skinnable components requested that are
+     *      // required before using the rollup file rather than the
+     *      // individual component css files
+     *      rollup: 3,
+     *
+     *      // Any component-specific overrides can be specified here,
+     *      // making it possible to load different skins for different
+     *      // components.  It is possible to load more than one skin
+     *      // for a given component as well.
+     *      overrides: {
+     *          calendar: ['skin1', 'skin2']
+     *      }
+     *   }
+     *   </code>
+     *   @property skin
+     */
+     this.skin = Y.merge(Y.Env.meta.skin);
+    
+    var defaults = Y.Env.meta.modules, i, onPage = YUI.Env.mods;
+
+    this._internal = true;
+    for (i in defaults) {
+        if (defaults.hasOwnProperty(i)) {
+            this.addModule(defaults[i], i);
+        }
+    }
+
+    for (i in onPage) {
+        if (onPage.hasOwnProperty(i) && !this.moduleInfo[i] && onPage[i].details) {
+            this.addModule(onPage[i].details, i);
+        }
+    }
+    this._internal = false;
+
+    /**
+     * List of rollup files found in the library metadata
+     * @property rollups
+     */
+    // this.rollups = null;
+
+    /**
+     * Whether or not to load optional dependencies for 
+     * the requested modules
+     * @property loadOptional
+     * @type boolean
+     * @default false
+     */
+    // this.loadOptional = false;
+
+    /**
+     * All of the derived dependencies in sorted order, which
+     * will be populated when either calculate() or insert()
+     * is called
+     * @property sorted
+     * @type string[]
+     */
+    this.sorted = [];
+
+    /**
+     * Set when beginning to compute the dependency tree. 
+     * Composed of what YUI reports to be loaded combined
+     * with what has been loaded by any instance on the page
+     * with the version number specified in the metadata.
+     * @propery loaded
+     * @type {string: boolean}
+     */
+    this.loaded = GLOBAL_LOADED[VERSION];
+
+    /**
+     * A list of modules to attach to the YUI instance when complete.
+     * If not supplied, the sorted list of dependencies are applied.
+     * @property attaching
+     */
+    // this.attaching = null;
+
+    /**
+     * Flag to indicate the dependency tree needs to be recomputed
+     * if insert is called again.
+     * @property dirty
+     * @type boolean
+     * @default true
+     */
+    this.dirty = true;
+
+    /**
+     * List of modules inserted by the utility
+     * @property inserted
+     * @type {string: boolean}
+     */
+    this.inserted = {};
+
+    /**
+     * List of skipped modules during insert() because the module
+     * was not defined
+     * @property skipped
+     */
+    this.skipped = {};
+
+
+    // Y.on('yui:load', this.loadNext, this);
+
+    this._config(o);
+
+};
+
+Y.Loader.prototype = {
+
+    FILTER_DEFS: {
+        RAW: { 
+            'searchExp': "-min\\.js", 
+            'replaceStr': ".js"
+        },
+        DEBUG: { 
+            'searchExp': "-min\\.js", 
+            'replaceStr': "-debug.js"
+        }
+    },
+
+    SKIN_PREFIX: "skin-",
+
+    _config: function(o) {
+
+        var i, j, val, f;
+
+        // apply config values
+        if (o) {
+            for (i in o) {
+                if (o.hasOwnProperty(i)) {
+                    val = o[i];
+                    if (i == 'require') {
+                        this.require(val);
+                    } else if (i == 'modules') {
+
+                        // add a hash of module definitions
+                        for (j in val) {
+                            if (val.hasOwnProperty(j)) {
+                                this.addModule(val[j], j);
+                            }
+                        }
+
+                    } else {
+                        this[i] = val;
+                    }
+                }
+            }
+        }
+
+        // fix filter
+        f = this.filter;
+
+        if (L.isString(f)) {
+            f = f.toUpperCase();
+            this.filterName = f;
+            this.filter = this.FILTER_DEFS[f];
+            if (f == 'DEBUG') {
+                this.require('yui-log', 'dump');
+            }
+        }
+
+    },
+
+    /**
+     * Returns the skin module name for the specified skin name.  If a
+     * module name is supplied, the returned skin module name is 
+     * specific to the module passed in.
+     * @method formatSkin
+     * @param skin {string} the name of the skin
+     * @param mod {string} optional: the name of a module to skin
+     * @return {string} the full skin module name
+     */
+    formatSkin: function(skin, mod) {
+        var s = this.SKIN_PREFIX + skin;
+        if (mod) {
+            s = s + "-" + mod;
+        }
+
+        return s;
+    },
+
+    /*
+     * Reverses <code>formatSkin</code>, providing the skin name and
+     * module name if the string matches the pattern for skins.
+     * @method parseSkin
+     * @param mod {string} the module name to parse
+     * @return {skin: string, module: string} the parsed skin name 
+     * and module name, or null if the supplied string does not match
+     * the skin pattern
+     * 
+     * This isn't being used at the moment
+     *
+     */
+    // parseSkin: function(mod) {
+    //     
+    //     if (mod.indexOf(this.SKIN_PREFIX) === 0) {
+    //         var a = mod.split("-");
+    //         return {skin: a[1], module: a[2]};
+    //     } 
+    //     return null;
+    // },
+
+    /**
+     * Adds the skin def to the module info
+     * @method _addSkin
+     * @param skin {string} the name of the skin
+     * @param mod {string} the name of the module
+     * @param parent {string} parent module if this is a skin of a
+     * submodule or plugin
+     * @return {string} the module name for the skin
+     * @private
+     */
+    _addSkin: function(skin, mod, parent) {
+
+        var name = this.formatSkin(skin), 
+            info = this.moduleInfo,
+            sinf = this.skin, 
+            ext  = info[mod] && info[mod].ext,
+            mdef, pkg;
+
+        /*
+        // Add a module definition for the skin rollup css
+        // Y.log('ext? ' + mod + ": " + ext);
+        if (!info[name]) {
+            // Y.log('adding skin ' + name);
+            this.addModule({
+                'name': name,
+                'type': 'css',
+                'path': sinf.base + skin + '/' + sinf.path,
+                //'supersedes': '*',
+                'after': sinf.after,
+                'rollup': sinf.rollup,
+                'ext': ext
+            });
+        }
+        */
+
+        // Add a module definition for the module-specific skin css
+        if (mod) {
+            name = this.formatSkin(skin, mod);
+            if (!info[name]) {
+                mdef = info[mod];
+                pkg = mdef.pkg || mod;
+                // Y.log('adding skin ' + name);
+                this.addModule({
+                    'name': name,
+                    'type': 'css',
+                    'after': sinf.after,
+                    'path': (parent || pkg) + '/' + sinf.base + skin + '/' + mod + '.css',
+                    'ext': ext
+                });
+            }
+        }
+
+        return name;
+    },
+
+    /** Add a new module to the component metadata.         
+     * <dl>
+     *     <dt>name:</dt>       <dd>required, the component name</dd>
+     *     <dt>type:</dt>       <dd>required, the component type (js or css)</dd>
+     *     <dt>path:</dt>       <dd>required, the path to the script from "base"</dd>
+     *     <dt>requires:</dt>   <dd>array of modules required by this component</dd>
+     *     <dt>optional:</dt>   <dd>array of optional modules for this component</dd>
+     *     <dt>supersedes:</dt> <dd>array of the modules this component replaces</dd>
+     *     <dt>after:</dt>      <dd>array of modules the components which, if present, should be sorted above this one</dd>
+     *     <dt>rollup:</dt>     <dd>the number of superseded modules required for automatic rollup</dd>
+     *     <dt>fullpath:</dt>   <dd>If fullpath is specified, this is used instead of the configured base + path</dd>
+     *     <dt>skinnable:</dt>  <dd>flag to determine if skin assets should automatically be pulled in</dd>
+     *     <dt>submodules:</dt> <dd>a has of submodules</dd>
+     * </dl>
+     * @method addModule
+     * @param o An object containing the module data
+     * @param name the module name (optional), required if not in the module data
+     * @return {boolean} true if the module was added, false if 
+     * the object passed in did not provide all required attributes
+     */
+    addModule: function(o, name) {
+
+        name = name || o.name;
+        o.name = name;
+
+        if (!o || !o.name) {
+            return false;
+        }
+
+        if (!o.type) {
+            o.type = JS;
+        }
+
+        if (!o.path && !o.fullpath) {
+            // o.path = name + "/" + name + "-min." + o.type;
+            o.path = _path(name, name, o.type);
+        }
+
+        o.ext = ('ext' in o) ? o.ext : (this._internal) ? false : true;
+        o.requires = o.requires || [];
+
+        // Y.log('New module ' + name);
+
+        this.moduleInfo[name] = o;
+
+        // Handle submodule logic
+        var subs = o.submodules, i, l, sup, s, smod, plugins, plug;
+        if (subs) {
+            sup = []; 
+            l   = 0;
+
+            for (i in subs) {
+                if (subs.hasOwnProperty(i)) {
+                    s = subs[i];
+                    s.path = _path(name, i, o.type);
+                    this.addModule(s, i);
+                    sup.push(i);
+
+                    if (o.skinnable) {
+                        smod = this._addSkin(this.skin.defaultSkin, i, name);
+                        sup.push(smod.name);
+                    }
+
+                    l++;
+                }
+            }
+
+            o.supersedes = sup;
+            o.rollup = (l<4) ? l : Math.min(l-1, 4);
+        }
+
+        plugins = o.plugins;
+        if (plugins) {
+            for (i in plugins) {
+                if (plugins.hasOwnProperty(i)) {
+                    plug = plugins[i];
+                    plug.path = _path(name, i, o.type);
+                    plug.requires = plug.requires || [];
+                    // plug.requires.push(name);
+                    this.addModule(plug, i);
+                    if (o.skinnable) {
+                        this._addSkin(this.skin.defaultSkin, i, name);
+                    }
+                }
+            }
+        }
+
+        this.dirty = true;
+
+        return o;
+    },
+
+    /**
+     * Add a requirement for one or more module
+     * @method require
+     * @param what {string[] | string*} the modules to load
+     */
+    require: function(what) {
+        var a = (typeof what === "string") ? arguments : what;
+        this.dirty = true;
+        Y.mix(this.required, Y.Array.hash(a));
+    },
+
+    /**
+     * Returns an object containing properties for all modules required
+     * in order to load the requested module
+     * @method getRequires
+     * @param mod The module definition from moduleInfo
+     */
+    getRequires: function(mod) {
+
+        if (!mod) {
+            // Y.log('getRequires, no module');
+            return [];
+        }
+
+        if (!this.dirty && mod.expanded) {
+            // Y.log('already expanded');
+            return mod.expanded;
+        }
+
+        var i, d=[], r=mod.requires, o=mod.optional, 
+            info=this.moduleInfo, m, j, add;
+
+        for (i=0; i<r.length; i=i+1) {
+            // Y.log(mod.name + ' requiring ' + r[i]);
+            d.push(r[i]);
+            m = this.getModule(r[i]);
+            add = this.getRequires(m);
+            for (j=0;j<add.length;j=j+1) {
+                d.push(add[j]);
+            }
+        }
+
+        // get the requirements from superseded modules, if any
+        r=mod.supersedes;
+        if (r) {
+            for (i=0; i<r.length; i=i+1) {
+                // Y.log(mod.name + ' requiring ' + r[i]);
+                d.push(r[i]);
+                m = this.getModule(r[i]);
+                add = this.getRequires(m);
+                for (j=0;j<add.length;j=j+1) {
+                    d.push(add[j]);
+                }
+            }
+        }
+
+        if (o && this.loadOptional) {
+            for (i=0; i<o.length; i=i+1) {
+                d.push(o[i]);
+                add = this.getRequires(info[o[i]]);
+                for (j=0;j<add.length;j=j+1) {
+                    d.push(add[j]);
+                }
+            }
+        }
+
+        mod.expanded = Y.Object.keys(Y.Array.hash(d));
+        return mod.expanded;
+    },
+
+
+    /**
+     * Returns a hash of module names the supplied module satisfies.
+     * @method getProvides
+     * @param name {string} The name of the module
+     * @return what this module provides
+     */
+    getProvides: function(name) {
+        var m = this.getModule(name), o, s;
+
+        if (!m) {
+            return NOT_FOUND;
+        }
+
+        if (m && !m.provides) {
+            o = {};
+            s = m.supersedes;
+
+            if (s) {
+                Y.Array.each(s, function(v) {
+                    Y.mix(o, this.getProvides(v));
+                }, this);
+            }
+
+            o[name] = true;
+            m.provides = o;
+        }
+
+        return m.provides;
+    },
+
+
+    /**
+     * Calculates the dependency tree, the result is stored in the sorted 
+     * property
+     * @method calculate
+     * @param o optional options object
+     * @param type optional argument to prune modules 
+     */
+    calculate: function(o, type) {
+        if (o || type || this.dirty) {
+            this._config(o);
+            this._setup();
+            this._explode();
+            if (this.allowRollup && !this.combine) {
+                this._rollup();
+            }
+            this._reduce();
+            this._sort();
+
+            // Y.log("after calculate: " + this.sorted);
+
+            this.dirty = false;
+        }
+    },
+
+    /**
+     * Investigates the current YUI configuration on the page.  By default,
+     * modules already detected will not be loaded again unless a force
+     * option is encountered.  Called by calculate()
+     * @method _setup
+     * @private
+     */
+    _setup: function() {
+
+        var info = this.moduleInfo, name, i, j, m, o, l, smod;
+
+        // Create skin modules
+        for (name in info) {
+            if (info.hasOwnProperty(name)) {
+                m = info[name];
+                if (m && m.skinnable) {
+                    // Y.log("skinning: " + name);
+                    o = this.skin.overrides;
+                    if (o && o[name]) {
+                        for (i=0; i<o[name].length; i=i+1) {
+                            smod = this._addSkin(o[name][i], name);
+                        }
+                    } else {
+                        smod = this._addSkin(this.skin.defaultSkin, name);
+                    }
+
+                    m.requires.push(smod);
+                }
+            }
+        }
+
+        l = Y.merge(this.inserted); // shallow clone
+
+        // available modules
+        if (!this.ignoreRegistered) {
+            Y.mix(l, GLOBAL_ENV.mods);
+        }
+        
+        // Y.log("Already loaded stuff: " + L.dump(l, 0));
+
+        // add the ignore list to the list of loaded packages
+        if (this.ignore) {
+            // OU.appendArray(l, this.ignore);
+            Y.mix(l, Y.Array.hash(this.ignore));
+        }
+
+        // expand the list to include superseded modules
+        for (j in l) {
+            // Y.log("expanding: " + j);
+            if (l.hasOwnProperty(j)) {
+                Y.mix(l, this.getProvides(j));
+            }
+        }
+
+        // remove modules on the force list from the loaded list
+        if (this.force) {
+            for (i=0; i<this.force.length; i=i+1) {
+                if (this.force[i] in l) {
+                    delete l[this.force[i]];
+                }
+            }
+        }
+
+        // Y.log("loaded expanded: " + L.dump(l, 0));
+
+        Y.mix(this.loaded, l);
+
+        // this.loaded = l;
+
+    },
+    
+
+    /**
+     * Inspects the required modules list looking for additional 
+     * dependencies.  Expands the required list to include all 
+     * required modules.  Called by calculate()
+     * @method _explode
+     * @private
+     */
+    _explode: function() {
+
+        var r = this.required, m, reqs;
+
+        Y.Object.each(r, function(v, name) {
+
+            m = this.getModule(name);
+
+            var expound = m && m.expound;
+            // Y.log('exploding ' + i);
+
+            if (m) {
+
+                if (expound) {
+                    r[expound] = this.getModule(expound);
+                    reqs = this.getRequires(r[expound]);
+                    Y.mix(r, Y.Array.hash(reqs));
+                }
+
+                reqs = this.getRequires(m);
+
+                // Y.log('via explode: ' + reqs);
+                Y.mix(r, Y.Array.hash(reqs));
+            }
+
+        }, this);
+    },
+
+    getModule: function(name) {
+
+        var m = this.moduleInfo[name];
+
+        // create the default module
+        // if (!m) {
+            // Y.log('Module does not exist: ' + name + ', creating with defaults');
+            // m = this.addModule({ext: false}, name);
+        // }
+
+        return m;
+    },
+
+    /**
+     * Look for rollup packages to determine if all of the modules a
+     * rollup supersedes are required.  If so, include the rollup to
+     * help reduce the total number of connections required.  Called
+     * by calculate()
+     * @method _rollup
+     * @private
+     */
+    _rollup: function() {
+        var i, j, m, s, rollups={}, r=this.required, roll,
+            info = this.moduleInfo, rolled, c;
+
+        // find and cache rollup modules
+        if (this.dirty || !this.rollups) {
+            for (i in info) {
+                if (info.hasOwnProperty(i)) {
+                    m = this.getModule(i);
+                    // if (m && m.rollup && m.supersedes) {
+                    if (m && m.rollup) {
+                        rollups[i] = m;
+                    }
+                }
+            }
+
+            this.rollups = rollups;
+            this.forceMap = (this.force) ? Y.Array.hash(this.force) : {};
+        }
+
+        // make as many passes as needed to pick up rollup rollups
+        for (;;) {
+            rolled = false;
+
+            // go through the rollup candidates
+            for (i in rollups) { 
+
+                if (rollups.hasOwnProperty(i)) {
+
+                    // there can be only one, unless forced
+                    if (!r[i] && ((!this.loaded[i]) || this.forceMap[i])) {
+                        m = this.getModule(i); 
+                        s = m.supersedes || []; 
+                        roll = false;
+
+                        // @TODO remove continue
+                        if (!m.rollup) {
+                            continue;
+                        }
+
+                        c = 0;
+
+                        // check the threshold
+                        for (j=0;j<s.length;j=j+1) {
+
+
+                            // if the superseded module is loaded, we can't load the rollup
+                            // unless it has been forced
+                            if (this.loaded[s[j]] && !this.forceMap[s[j]]) {
+                                roll = false;
+                                break;
+                            // increment the counter if this module is required.  if we are
+                            // beyond the rollup threshold, we will use the rollup module
+                            } else if (r[s[j]]) {
+                                c++;
+                                // Y.log("adding to thresh: " + c + ", " + s[j]);
+                                roll = (c >= m.rollup);
+                                if (roll) {
+                                    // Y.log("over thresh " + c + ", " + s[j]);
+                                    break;
+                                }
+                            }
+                        }
+
+                        if (roll) {
+                            // Y.log("adding rollup: " +  i);
+                            // add the rollup
+                            r[i] = true;
+                            rolled = true;
+
+                            // expand the rollup's dependencies
+                            this.getRequires(m);
+                        }
+                    }
+                }
+            }
+
+            // if we made it here w/o rolling up something, we are done
+            if (!rolled) {
+                break;
+            }
+        }
+    },
+
+    /**
+     * Remove superceded modules and loaded modules.  Called by
+     * calculate() after we have the mega list of all dependencies
+     * @method _reduce
+     * @private
+     */
+    _reduce: function() {
+        var i, j, s, m, r=this.required, type = this.loadType;
+        for (i in r) {
+            if (r.hasOwnProperty(i)) {
+                m = this.getModule(i);
+                // remove if already loaded
+                if ((this.loaded[i] && (!this.forceMap[i]) && !this.ignoreRegistered) || (type && m && m.type != type)) { 
+                    delete r[i];
+                // remove anything this module supersedes
+                } else {
+                    
+                    s = m && m.supersedes;
+                    if (s) {
+                        for (j=0; j<s.length; j=j+1) {
+                            if (s[j] in r) {
+                                delete r[s[j]];
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    },
+
+    _attach: function() {
+        // this is the full list of items the YUI needs attached,
+        // which is needed if some dependencies are already on
+        // the page without their dependencies.
+        if (this.attaching) {
+            Y.log('attaching Y supplied deps: ' + this.attaching, "info", "loader");
+            Y._attach(this.attaching);
+        } else {
+            Y.log('attaching sorted list: ' + this.sorted, "info", "loader");
+            Y._attach(this.sorted);
+        }
+
+        // this._pushEvents();
+
+    },
+
+    _finish: function() {
+        _queue.running = false;
+        this._continue();
+    },
+
+    _onSuccess: function() {
+
+        Y.log('loader successful: ' + Y.id, "info", "loader");
+
+        this._attach();
+
+        var skipped = this.skipped, i, f;
+
+        for (i in skipped) {
+            if (skipped.hasOwnProperty(i)) {
+                delete this.inserted[i];
+            }
+        }
+
+        this.skipped = {};
+
+        f = this.onSuccess;
+
+        if (f) {
+            f.call(this.context, {
+                msg: 'success',
+                data: this.data,
+                success: true
+            });
+        }
+
+        this._finish();
+
+    },
+
+    _onFailure: function(o) {
+
+        Y.log('load error: ' + o.msg + ', ' + Y.id, "error", "loader");
+
+        this._attach();
+
+        var f = this.onFailure;
+        if (f) {
+            f.call(this.context, {
+                msg: 'failure: ' + o.msg,
+                data: this.data,
+                success: false
+            });
+        }
+
+        this._finish();
+    },
+
+    _onTimeout: function() {
+
+        Y.log('loader timeout: ' + Y.id, "error", "loader");
+
+        this._attach();
+
+        var f = this.onTimeout;
+        if (f) {
+            f.call(this.context, {
+                msg: 'timeout',
+                data: this.data,
+                success: false
+            });
+        }
+
+        this._finish();
+    },
+    
+    /**
+     * Sorts the dependency tree.  The last step of calculate()
+     * @method _sort
+     * @private
+     */
+    _sort: function() {
+
+        // create an indexed list
+        var s = Y.Object.keys(this.required), 
+            info = this.moduleInfo, 
+            loaded = this.loaded,
+            done = {},
+            p=0, l, a, b, j, k, moved, doneKey,
+
+        // returns true if b is not loaded, and is required
+        // directly or by means of modules it supersedes.
+            requires = Y.cached(function(mod1, mod2) {
+
+                var m = info[mod1], i, r, after, other = info[mod2], s;
+
+                if (loaded[mod2] || !m || !other) {
+                    return false;
+                }
+
+                r     = m.expanded;
+                after = m.after; 
+
+                // check if this module requires the other directly
+                if (r && Y.Array.indexOf(r, mod2) > -1) {
+                    return true;
+                }
+
+                // check if this module should be sorted after the other
+                if (after && Y.Array.indexOf(after, mod2) > -1) {
+                    return true;
+                }
+
+                // check if this module requires one the other supersedes
+                s = info[mod2] && info[mod2].supersedes;
+                if (s) {
+                    for (i=0; i<s.length; i=i+1) {
+                        if (requires(mod1, s[i])) {
+                            return true;
+                        }
+                    }
+                }
+
+                // external css files should be sorted below yui css
+                if (m.ext && m.type == CSS && !other.ext && other.type == CSS) {
+                    return true;
+                }
+
+                return false;
+            });
+
+        // keep going until we make a pass without moving anything
+        for (;;) {
+           
+            l     = s.length; 
+            moved = false;
+
+            // start the loop after items that are already sorted
+            for (j=p; j<l; j=j+1) {
+
+                // check the next module on the list to see if its
+                // dependencies have been met
+                a = s[j];
+
+                // check everything below current item and move if we
+                // find a requirement for the current item
+                for (k=j+1; k<l; k=k+1) {
+                    doneKey = a + s[k];
+                    if (!done[doneKey] && requires(a, s[k])) {
+
+                        // extract the dependency so we can move it up
+                        b = s.splice(k, 1);
+
+                        // insert the dependency above the item that 
+                        // requires it
+                        s.splice(j, 0, b[0]);
+
+                        // only swap two dependencies once to short circut
+                        // circular dependencies
+                        done[doneKey] = true;
+
+                        // keep working 
+                        moved = true;
+
+                        break;
+                    }
+                }
+
+                // jump out of loop if we moved something
+                if (moved) {
+                    break;
+                // this item is sorted, move our pointer and keep going
+                } else {
+                    p = p + 1;
+                }
+            }
+
+            // when we make it here and moved is false, we are 
+            // finished sorting
+            if (!moved) {
+                break;
+            }
+
+        }
+
+        this.sorted = s;
+    },
+
+    _insert: function(source, o, type) {
+
+        // Y.log('private _insert() ' + (type || '') + ', ' + Y.id, "info", "loader");
+
+        // restore the state at the time of the request
+        if (source) {
+            this._config(source);
+        }
+
+        // build the dependency list
+        this.calculate(o); // don't include type so we can process CSS and script in
+                           // one pass when the type is not specified.
+        this.loadType = type;
+
+        if (!type) {
+
+            var self = this;
+
+            // Y.log("trying to load css first");
+            this._internalCallback = function() {
+                var f = self.onCSS;
+                if (f) {
+                    f.call(self.context, Y);
+                }
+                self._internalCallback = null;
+                self._insert(null, null, JS);
+            };
+
+            // _queue.running = false;
+            this._insert(null, null, CSS);
+
+            return;
+        }
+
+
+        // set a flag to indicate the load has started
+        this._loading = true;
+
+        // flag to indicate we are done with the combo service
+        // and any additional files will need to be loaded
+        // individually
+        this._combineComplete = {};
+
+
+        // start the load
+        this.loadNext();
+
+    },
+
+    _continue: function() {
+        if (!(_queue.running) && _queue.size() > 0) {
+            _queue.running = true;
+            _queue.next()();
+        }
+    },
+
+    /**
+     * inserts the requested modules and their dependencies.  
+     * <code>type</code> can be "js" or "css".  Both script and 
+     * css are inserted if type is not provided.
+     * @method insert
+     * @param o optional options object
+     * @param type {string} the type of dependency to insert
+     */
+    insert: function(o, type) {
+
+        Y.log('public insert() ' + (type || '') + ', ' + Y.id, "info", "loader");
+
+        var self = this, copy = Y.merge(this, true);
+
+        delete copy.require;
+        delete copy.dirty;
+
+        _queue.add(function() {
+            self._insert(copy, o, type);
+        });
+
+        this._continue();
+
+    },
+
+    /**
+     * Executed every time a module is loaded, and if we are in a load
+     * cycle, we attempt to load the next script.  Public so that it
+     * is possible to call this if using a method other than
+     * Y.register to determine when scripts are fully loaded
+     * @method loadNext
+     * @param mname {string} optional the name of the module that has
+     * been loaded (which is usually why it is time to load the next
+     * one)
+     */
+    loadNext: function(mname) {
+
+        // It is possible that this function is executed due to something
+        // else one the page loading a YUI module.  Only react when we
+        // are actively loading something
+        if (!this._loading) {
+            return;
+        }
+
+        var s, len, i, m, url, self=this, type=this.loadType, fn, msg, attr,
+            callback=function(o) {
+                Y.log('Combo complete: ' + o.data, "info", "loader");
+                this._combineComplete[type] = true;
+
+                var c=this._combining, len=c.length, i;
+
+                for (i=0; i<len; i=i+1) {
+                    this.inserted[c[i]] = true;
+                }
+
+                this.loadNext(o.data);
+            },
+            onsuccess=function(o) {
+                // Y.log('loading next, just loaded' + o.data);
+                self.loadNext(o.data);
+            };
+
+        // @TODO this will need to handle the two phase insert when
+        // CSS support is added
+        if (this.combine && (!this._combineComplete[type])) {
+
+            this._combining = []; 
+            s=this.sorted;
+            len=s.length;
+            url=this.comboBase;
+
+
+            for (i=0; i<len; i=i+1) {
+                m = this.getModule(s[i]);
+                // Do not try to combine non-yui JS
+                if (m && (m.type === type) && !m.ext) {
+                    url += this.root + m.path;
+                    if (i < len-1) {
+                        url += '&';
+                    }
+
+                    this._combining.push(s[i]);
+                }
+            }
+
+            if (this._combining.length) {
+
+Y.log('Attempting to use combo: ' + this._combining, "info", "loader");
+
+                // if (m.type === CSS) {
+                if (type === CSS) {
+                    fn = Y.Get.css;
+                    attr = this.cssAttributes;
+                } else {
+                    fn = Y.Get.script;
+                    attr = this.jsAttributes;
+                }
+
+                // @TODO get rid of the redundant Get code
+                fn(this._filter(url), {
+                    data: this._loading,
+                    onSuccess: callback,
+                    onFailure: this._onFailure,
+                    onTimeout: this._onTimeout,
+                    insertBefore: this.insertBefore,
+                    charset: this.charset,
+                    attributes: attr,
+                    timeout: this.timeout,
+                    autopurge: false,
+                    context: self 
+                });
+
+                return;
+
+            } else {
+                this._combineComplete[type] = true;
+            }
+        }
+
+        if (mname) {
+
+            // if the module that was just loaded isn't what we were expecting,
+            // continue to wait
+            if (mname !== this._loading) {
+                return;
+            }
+
+Y.log("loadNext executing, just loaded " + mname + ", " + Y.id, "info", "loader");
+
+            // The global handler that is called when each module is loaded
+            // will pass that module name to this function.  Storing this
+            // data to avoid loading the same module multiple times
+            this.inserted[mname] = true;
+            this.loaded[mname] = true;
+
+            if (this.onProgress) {
+                this.onProgress.call(this.context, {
+                        name: mname,
+                        data: this.data
+                    });
+            }
+
+
+        }
+
+        s=this.sorted;
+        len=s.length;
+
+        for (i=0; i<len; i=i+1) {
+
+            // this.inserted keeps track of what the loader has loaded.
+            // move on if this item is done.
+            if (s[i] in this.inserted) {
+                // Y.log(s[i] + " alread loaded ");
+                continue;
+            }
+
+            // Because rollups will cause multiple load notifications
+            // from Y, loadNext may be called multiple times for
+            // the same module when loading a rollup.  We can safely
+            // skip the subsequent requests
+            if (s[i] === this._loading) {
+                Y.log("still loading " + s[i] + ", waiting", "info", "loader");
+                return;
+            }
+
+            // log("inserting " + s[i]);
+            m = this.getModule(s[i]);
+
+            if (!m) {
+
+                msg = "Undefined module " + s[i] + " skipped";
+                Y.log(msg, 'warn', 'loader');
+                this.inserted[s[i]] = true;
+                this.skipped[s[i]] = true;
+                continue;
+
+            }
+
+
+            // The load type is stored to offer the possibility to load
+            // the css separately from the script.
+            if (!type || type === m.type) {
+                this._loading = s[i];
+                Y.log("attempting to load " + s[i] + ", " + this.base, "info", "loader");
+
+                if (m.type === CSS) {
+                    fn = Y.Get.css;
+                    attr = this.cssAttributes;
+                } else {
+                    fn = Y.Get.script;
+                    attr = this.jsAttributes;
+                }
+
+                url = (m.fullpath) ? this._filter(m.fullpath, s[i]) : this._url(m.path, s[i]);
+
+                fn(url, {
+                    data: s[i],
+                    onSuccess: onsuccess,
+                    insertBefore: this.insertBefore,
+                    charset: this.charset,
+                    attributes: attr,
+                    onFailure: this._onFailure,
+                    onTimeout: this._onTimeout,
+                    timeout: this.timeout,
+                    autopurge: false,
+                    context: self 
+                });
+
+                return;
+            }
+        }
+
+        // we are finished
+        this._loading = null;
+
+        fn = this._internalCallback;
+
+        // internal callback for loading css first
+        if (fn) {
+            // Y.log('loader internal');
+            this._internalCallback = null;
+            fn.call(this);
+
+        // } else if (this.onSuccess) {
+        } else {
+            // Y.log('loader complete');
+            // call Y.use passing this instance. Y will use the sorted
+            // dependency list.
+            this._onSuccess();
+        }
+
+    },
+
+    /**
+     * Apply filter defined for this instance to a url/path
+     * method _filter
+     * @param u {string} the string to filter
+     * @param name {string} the name of the module, if we are processing
+     * a single module as opposed to a combined url
+     * @return {string} the filtered string
+     * @private
+     */
+    _filter: function(u, name) {
+
+        var f = this.filter, 
+            hasFilter = name && (name in this.filters),
+            modFilter = hasFilter && this.filters[name];
+
+        if (u) {
+
+            if (hasFilter) {
+                f = (L.isString(modFilter)) ? this.FILTER_DEFS[modFilter.toUpperCase()] || null : modFilter;
+            }
+
+            if (f) {
+                u = u.replace(new RegExp(f.searchExp, 'g'), f.replaceStr);
+            }
+        }
+
+        return u;
+
+    },
+
+    /**
+     * Generates the full url for a module
+     * method _url
+     * @param path {string} the path fragment
+     * @return {string} the full url
+     * @private
+     */
+    _url: function(path, name) {
+        return this._filter((this.base || "") + path, name);
+    }
+
+};
+
+})();
+
+
+
+}, '3.0.0' );