diff -r 000000000000 -r 40c8f766c9b8 src/cm/media/js/lib/yui/yui3.0.0/build/event/event-base-debug.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/media/js/lib/yui/yui3.0.0/build/event/event-base-debug.js	Mon Nov 23 15:14:29 2009 +0100
@@ -0,0 +1,1388 @@
+/*
+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
+*/
+/*
+ * DOM event listener abstraction layer
+ * @module event
+ * @submodule event-base
+ */
+
+(function() {
+
+
+// Unlike most of the library, this code has to be executed as soon as it is
+// introduced into the page -- and it should only be executed one time
+// regardless of the number of instances that use it.
+
+var GLOBAL_ENV = YUI.Env, 
+
+    C = YUI.config, 
+
+    D = C.doc, 
+
+    POLL_INTERVAL = C.pollInterval || 40,
+
+    _ready = function(e) {
+        GLOBAL_ENV._ready();
+    };
+
+    if (!GLOBAL_ENV._ready) {
+
+        GLOBAL_ENV._ready = function() {
+            if (!GLOBAL_ENV.DOMReady) {
+                GLOBAL_ENV.DOMReady=true;
+
+                // Remove the DOMContentLoaded (FF/Opera/Safari)
+                if (D.removeEventListener) {
+                    D.removeEventListener("DOMContentLoaded", _ready, false);
+                }
+            }
+        };
+
+        // create custom event
+
+/*! DOMReady: based on work by: Dean Edwards/John Resig/Matthias Miller/Diego Perini */
+
+        // Internet Explorer: use the readyState of a defered script.
+        // This isolates what appears to be a safe moment to manipulate
+        // the DOM prior to when the document's readyState suggests
+        // it is safe to do so.
+        if (navigator.userAgent.match(/MSIE/)) {
+
+            if (self !== self.top) {
+                document.onreadystatechange = function() {
+                    if (document.readyState == 'complete') {
+                        document.onreadystatechange = null;
+                        _ready();
+                    }
+                };
+            } else {
+
+                GLOBAL_ENV._dri = setInterval(function() {
+                    try {
+                        // throws an error if doc is not ready
+                        document.documentElement.doScroll('left');
+                        clearInterval(GLOBAL_ENV._dri);
+                        GLOBAL_ENV._dri = null;
+                        _ready();
+                    } catch (ex) { 
+                    }
+                }, POLL_INTERVAL); 
+            }
+
+        // FireFox, Opera, Safari 3+: These browsers provide a event for this
+        // moment.
+        } else {
+            D.addEventListener("DOMContentLoaded", _ready, false);
+        }
+
+        /////////////////////////////////////////////////////////////
+    }
+
+})();
+YUI.add('event-base', function(Y) {
+
+(function() {
+/*
+ * DOM event listener abstraction layer
+ * @module event
+ * @submodule event-base
+ */
+
+var GLOBAL_ENV = YUI.Env,
+    
+    yready = function() {
+        Y.fire('domready');
+    };
+
+Y.publish('domready', {
+    fireOnce: true
+});
+
+if (GLOBAL_ENV.DOMReady) {
+    // console.log('DOMReady already fired', 'info', 'event');
+    yready();
+} else {
+    // console.log('setting up before listener', 'info', 'event');
+    // console.log('env: ' + YUI.Env.windowLoaded, 'info', 'event');
+    Y.before(yready, GLOBAL_ENV, "_ready");
+}
+
+})();
+(function() {
+
+/**
+ * Custom event engine, DOM event listener abstraction layer, synthetic DOM 
+ * events.
+ * @module event
+ * @submodule event-base
+ */
+
+/**
+ * Wraps a DOM event, properties requiring browser abstraction are
+ * fixed here.  Provids a security layer when required.
+ * @class DOMEventFacade
+ * @param ev {Event} the DOM event
+ * @param currentTarget {HTMLElement} the element the listener was attached to
+ * @param wrapper {Event.Custom} the custom event wrapper for this DOM event
+ */
+
+/*
+ * @TODO constants? LEFTBUTTON, MIDDLEBUTTON, RIGHTBUTTON, keys
+ */
+
+/*
+
+var whitelist = {
+    altKey          : 1,
+    // "button"          : 1, // we supply
+    // "bubbles"         : 1, // needed?
+    // "cancelable"      : 1, // needed? 
+    // "charCode"        : 1, // we supply
+    cancelBubble    : 1,
+    // "currentTarget"   : 1, // we supply
+    ctrlKey         : 1,
+    clientX         : 1, // needed?
+    clientY         : 1, // needed?
+    detail          : 1, // not fully implemented
+    // "fromElement"     : 1,
+    keyCode         : 1,
+    // "height"          : 1, // needed?
+    // "initEvent"       : 1, // need the init events?
+    // "initMouseEvent"  : 1,
+    // "initUIEvent"     : 1,
+    // "layerX"          : 1, // needed?
+    // "layerY"          : 1, // needed?
+    metaKey         : 1,
+    // "modifiers"       : 1, // needed?
+    // "offsetX"         : 1, // needed?
+    // "offsetY"         : 1, // needed?
+    // "preventDefault"  : 1, // we supply
+    // "reason"          : 1, // IE proprietary
+    // "relatedTarget"   : 1,
+    // "returnValue"     : 1, // needed?
+    shiftKey        : 1,
+    // "srcUrn"          : 1, // IE proprietary
+    // "srcElement"      : 1,
+    // "srcFilter"       : 1, IE proprietary
+    // "stopPropagation" : 1, // we supply
+    // "target"          : 1,
+    // "timeStamp"       : 1, // needed?
+    // "toElement"       : 1,
+    type            : 1,
+    // "view"            : 1,
+    // "which"           : 1, // we supply
+    // "width"           : 1, // needed?
+    x               : 1,
+    y               : 1
+},
+
+*/
+
+    var ua = Y.UA,
+
+    /**
+     * webkit key remapping required for Safari < 3.1
+     * @property webkitKeymap
+     * @private
+     */
+    webkitKeymap = {
+        63232: 38, // up
+        63233: 40, // down
+        63234: 37, // left
+        63235: 39, // right
+        63276: 33, // page up
+        63277: 34, // page down
+        25:     9, // SHIFT-TAB (Safari provides a different key code in
+                   // this case, even though the shiftKey modifier is set)
+		63272: 46, // delete
+		63273: 36, // home
+		63275: 35  // end
+    },
+
+    /**
+     * Returns a wrapped node.  Intended to be used on event targets,
+     * so it will return the node's parent if the target is a text
+     * node.
+     *
+     * If accessing a property of the node throws an error, this is
+     * probably the anonymous div wrapper Gecko adds inside text
+     * nodes.  This likely will only occur when attempting to access
+     * the relatedTarget.  In this case, we now return null because
+     * the anonymous div is completely useless and we do not know
+     * what the related target was because we can't even get to
+     * the element's parent node.
+     *
+     * @method resolve
+     * @private
+     */
+    resolve = function(n) {
+        try {
+            if (n && 3 == n.nodeType) {
+                n = n.parentNode;
+            }
+        } catch(e) { 
+            return null;
+        }
+
+        return Y.one(n);
+    };
+
+
+// provide a single event with browser abstractions resolved
+//
+// include all properties for both browers?
+// include only DOM2 spec properties?
+// provide browser-specific facade?
+
+Y.DOMEventFacade = function(ev, currentTarget, wrapper) {
+
+    wrapper = wrapper || {};
+
+    var e = ev, ot = currentTarget, d = Y.config.doc, b = d.body,
+        x = e.pageX, y = e.pageY, c, t;
+
+    this.altKey   = e.altKey;
+    this.ctrlKey  = e.ctrlKey;
+    this.metaKey  = e.metaKey;
+    this.shiftKey = e.shiftKey;
+    this.type     = e.type;
+    this.clientX  = e.clientX;
+    this.clientY  = e.clientY;
+
+    //////////////////////////////////////////////////////
+
+    if (!x && 0 !== x) {
+        x = e.clientX || 0;
+        y = e.clientY || 0;
+
+        if (ua.ie) {
+            x += Math.max(d.documentElement.scrollLeft, b.scrollLeft);
+            y += Math.max(d.documentElement.scrollTop, b.scrollTop);
+        }
+    }
+
+    this._yuifacade = true;
+
+    /**
+     * The native event
+     * @property _event
+     */
+    this._event = e;
+
+    /**
+     * The X location of the event on the page (including scroll)
+     * @property pageX
+     * @type int
+     */
+    this.pageX = x;
+
+    /**
+     * The Y location of the event on the page (including scroll)
+     * @property pageY
+     * @type int
+     */
+    this.pageY = y;
+
+    //////////////////////////////////////////////////////
+
+    c = e.keyCode || e.charCode || 0;
+
+    if (ua.webkit && (c in webkitKeymap)) {
+        c = webkitKeymap[c];
+    }
+
+    /**
+     * The keyCode for key events.  Uses charCode if keyCode is not available
+     * @property keyCode
+     * @type int
+     */
+    this.keyCode = c;
+
+    /**
+     * The charCode for key events.  Same as keyCode
+     * @property charCode
+     * @type int
+     */
+    this.charCode = c;
+
+    //////////////////////////////////////////////////////
+
+    /**
+     * The button that was pushed.
+     * @property button
+     * @type int
+     */
+    this.button = e.which || e.button;
+
+    /**
+     * The button that was pushed.  Same as button.
+     * @property which
+     * @type int
+     */
+    this.which = this.button;
+
+    //////////////////////////////////////////////////////
+
+    /**
+     * Node reference for the targeted element
+     * @propery target
+     * @type Node
+     */
+    this.target = resolve(e.target || e.srcElement);
+
+    /**
+     * Node reference for the element that the listener was attached to.
+     * @propery currentTarget
+     * @type Node
+     */
+    this.currentTarget = resolve(ot);
+
+    t = e.relatedTarget;
+
+    if (!t) {
+        if (e.type == "mouseout") {
+            t = e.toElement;
+        } else if (e.type == "mouseover") {
+            t = e.fromElement;
+        }
+    }
+
+    /**
+     * Node reference to the relatedTarget
+     * @propery relatedTarget
+     * @type Node
+     */
+    this.relatedTarget = resolve(t);
+
+    /**
+     * Number representing the direction and velocity of the movement of the mousewheel.
+     * Negative is down, the higher the number, the faster.  Applies to the mousewheel event.
+     * @property wheelDelta
+     * @type int
+     */
+    if (e.type == "mousewheel" || e.type == "DOMMouseScroll") {
+        this.wheelDelta = (e.detail) ? (e.detail * -1) : Math.round(e.wheelDelta / 80) || ((e.wheelDelta < 0) ? -1 : 1);
+    }
+
+    //////////////////////////////////////////////////////
+    // methods
+
+    /**
+     * Stops the propagation to the next bubble target
+     * @method stopPropagation
+     */
+    this.stopPropagation = function() {
+        if (e.stopPropagation) {
+            e.stopPropagation();
+        } else {
+            e.cancelBubble = true;
+        }
+        wrapper.stopped = 1;
+    };
+
+    /**
+     * Stops the propagation to the next bubble target and
+     * prevents any additional listeners from being exectued
+     * on the current target.
+     * @method stopImmediatePropagation
+     */
+    this.stopImmediatePropagation = function() {
+        if (e.stopImmediatePropagation) {
+            e.stopImmediatePropagation();
+        } else {
+            this.stopPropagation();
+        }
+        wrapper.stopped = 2;
+    };
+
+    /**
+     * Prevents the event's default behavior
+     * @method preventDefault
+     * @param returnValue {string} sets the returnValue of the event to this value
+     * (rather than the default false value).  This can be used to add a customized 
+     * confirmation query to the beforeunload event).
+     */
+    this.preventDefault = function(returnValue) {
+        if (e.preventDefault) {
+            e.preventDefault();
+        }
+        e.returnValue = returnValue || false;
+        wrapper.prevented = 1;
+    };
+
+    /**
+     * Stops the event propagation and prevents the default
+     * event behavior.
+     * @method halt
+     * @param immediate {boolean} if true additional listeners
+     * on the current target will not be executed
+     */
+    this.halt = function(immediate) {
+        if (immediate) {
+            this.stopImmediatePropagation();
+        } else {
+            this.stopPropagation();
+        }
+
+        this.preventDefault();
+    };
+
+};
+
+})();
+(function() {
+/**
+ * DOM event listener abstraction layer
+ * @module event
+ * @submodule event-base
+ */
+
+/**
+ * The event utility provides functions to add and remove event listeners,
+ * event cleansing.  It also tries to automatically remove listeners it
+ * registers during the unload event.
+ *
+ * @class Event
+ * @static
+ */
+
+Y.Env.evt.dom_wrappers = {};
+Y.Env.evt.dom_map = {};
+
+var _eventenv = Y.Env.evt,
+add = YUI.Env.add,
+remove = YUI.Env.remove,
+
+onLoad = function() {
+    YUI.Env.windowLoaded = true;
+    Y.Event._load();
+    remove(window, "load", onLoad);
+},
+
+onUnload = function() {
+    Y.Event._unload();
+    remove(window, "unload", onUnload);
+},
+
+EVENT_READY = 'domready',
+
+COMPAT_ARG = '~yui|2|compat~',
+
+shouldIterate = function(o) {
+    try {
+        return (o && typeof o !== "string" && Y.Lang.isNumber(o.length) && !o.tagName && !o.alert);
+    } catch(ex) {
+        Y.log("collection check failure", "warn", "event");
+        return false;
+    }
+
+},
+
+Event = function() {
+
+    /**
+     * True after the onload event has fired
+     * @property _loadComplete
+     * @type boolean
+     * @static
+     * @private
+     */
+    var _loadComplete =  false,
+
+    /**
+     * The number of times to poll after window.onload.  This number is
+     * increased if additional late-bound handlers are requested after
+     * the page load.
+     * @property _retryCount
+     * @static
+     * @private
+     */
+    _retryCount = 0,
+
+    /**
+     * onAvailable listeners
+     * @property _avail
+     * @static
+     * @private
+     */
+    _avail = [],
+
+    /**
+     * Custom event wrappers for DOM events.  Key is 
+     * 'event:' + Element uid stamp + event type
+     * @property _wrappers
+     * @type Y.Event.Custom
+     * @static
+     * @private
+     */
+    _wrappers = _eventenv.dom_wrappers,
+
+    _windowLoadKey = null,
+
+    /**
+     * Custom event wrapper map DOM events.  Key is 
+     * Element uid stamp.  Each item is a hash of custom event
+     * wrappers as provided in the _wrappers collection.  This
+     * provides the infrastructure for getListeners.
+     * @property _el_events
+     * @static
+     * @private
+     */
+    _el_events = _eventenv.dom_map;
+
+    return {
+
+        /**
+         * The number of times we should look for elements that are not
+         * in the DOM at the time the event is requested after the document
+         * has been loaded.  The default is 1000@amp;40 ms, so it will poll
+         * for 40 seconds or until all outstanding handlers are bound
+         * (whichever comes first).
+         * @property POLL_RETRYS
+         * @type int
+         * @static
+         * @final
+         */
+        POLL_RETRYS: 1000,
+
+        /**
+         * The poll interval in milliseconds
+         * @property POLL_INTERVAL
+         * @type int
+         * @static
+         * @final
+         */
+        POLL_INTERVAL: 40,
+
+        /**
+         * addListener/removeListener can throw errors in unexpected scenarios.
+         * These errors are suppressed, the method returns false, and this property
+         * is set
+         * @property lastError
+         * @static
+         * @type Error
+         */
+        lastError: null,
+
+
+        /**
+         * poll handle
+         * @property _interval
+         * @static
+         * @private
+         */
+        _interval: null,
+
+        /**
+         * document readystate poll handle
+         * @property _dri
+         * @static
+         * @private
+         */
+         _dri: null,
+
+        /**
+         * True when the document is initially usable
+         * @property DOMReady
+         * @type boolean
+         * @static
+         */
+        DOMReady: false,
+
+        /**
+         * @method startInterval
+         * @static
+         * @private
+         */
+        startInterval: function() {
+            var E = Y.Event;
+
+            if (!E._interval) {
+E._interval = setInterval(Y.bind(E._poll, E), E.POLL_INTERVAL);
+            }
+        },
+
+        /**
+         * Executes the supplied callback when the item with the supplied
+         * id is found.  This is meant to be used to execute behavior as
+         * soon as possible as the page loads.  If you use this after the
+         * initial page load it will poll for a fixed time for the element.
+         * The number of times it will poll and the frequency are
+         * configurable.  By default it will poll for 10 seconds.
+         *
+         * <p>The callback is executed with a single parameter:
+         * the custom object parameter, if provided.</p>
+         *
+         * @method onAvailable
+         *
+         * @param {string||string[]}   id the id of the element, or an array
+         * of ids to look for.
+         * @param {function} fn what to execute when the element is found.
+         * @param {object}   p_obj an optional object to be passed back as
+         *                   a parameter to fn.
+         * @param {boolean|object}  p_override If set to true, fn will execute
+         *                   in the context of p_obj, if set to an object it
+         *                   will execute in the context of that object
+         * @param checkContent {boolean} check child node readiness (onContentReady)
+         * @static
+         * @deprecated Use Y.on("available")
+         */
+        // @TODO fix arguments
+        onAvailable: function(id, fn, p_obj, p_override, checkContent, compat) {
+
+            var a = Y.Array(id), i, availHandle;
+
+            // Y.log('onAvailable registered for: ' + id);
+
+            for (i=0; i<a.length; i=i+1) {
+                _avail.push({ 
+                    id:         a[i], 
+                    fn:         fn, 
+                    obj:        p_obj, 
+                    override:   p_override, 
+                    checkReady: checkContent,
+                    compat:     compat 
+                });
+            }
+            _retryCount = this.POLL_RETRYS;
+
+            // We want the first test to be immediate, but async
+            setTimeout(Y.bind(Y.Event._poll, Y.Event), 0);
+
+            availHandle = new Y.EventHandle({
+
+                _delete: function() {
+                    // set by the event system for lazy DOM listeners
+                    if (availHandle.handle) {
+                        availHandle.handle.detach();
+						return;
+                    }
+
+                    var i, j;
+
+                    // otherwise try to remove the onAvailable listener(s)
+                    for (i = 0; i < a.length; i++) {
+                        for (j = 0; j < _avail.length; j++) {
+                            if (a[i] === _avail[j].id) {
+                                _avail.splice(j, 1);
+                            }
+                        }
+                    }
+                }
+
+            });
+
+            return availHandle;
+        },
+
+        /**
+         * Works the same way as onAvailable, but additionally checks the
+         * state of sibling elements to determine if the content of the
+         * available element is safe to modify.
+         *
+         * <p>The callback is executed with a single parameter:
+         * the custom object parameter, if provided.</p>
+         *
+         * @method onContentReady
+         *
+         * @param {string}   id the id of the element to look for.
+         * @param {function} fn what to execute when the element is ready.
+         * @param {object}   p_obj an optional object to be passed back as
+         *                   a parameter to fn.
+         * @param {boolean|object}  p_override If set to true, fn will execute
+         *                   in the context of p_obj.  If an object, fn will
+         *                   exectute in the context of that object
+         *
+         * @static
+         * @deprecated Use Y.on("contentready")
+         */
+        // @TODO fix arguments
+        onContentReady: function(id, fn, p_obj, p_override, compat) {
+            return this.onAvailable(id, fn, p_obj, p_override, true, compat);
+        },
+
+        /**
+         * Adds an event listener
+         *
+         * @method attach
+         *
+         * @param {String}   type     The type of event to append
+         * @param {Function} fn        The method the event invokes
+         * @param {String|HTMLElement|Array|NodeList} el An id, an element 
+         *  reference, or a collection of ids and/or elements to assign the 
+         *  listener to.
+         * @param {Object}   context optional context object
+         * @param {Boolean|object}  args 0..n arguments to pass to the callback
+         * @return {EventHandle} an object to that can be used to detach the listener
+         *                     
+         * @static
+         */
+
+        attach: function(type, fn, el, context) {
+            return Y.Event._attach(Y.Array(arguments, 0, true));
+        },
+
+		_createWrapper: function (el, type, capture, compat, facade) {
+
+            var ek = Y.stamp(el),
+	            key = 'event:' + ek + type,
+	            cewrapper;
+
+
+            if (false === facade) {
+                key += 'native';
+            }
+            if (capture) {
+                key += 'capture';
+            }
+
+
+            cewrapper = _wrappers[key];
+            
+
+            if (!cewrapper) {
+                // create CE wrapper
+                cewrapper = Y.publish(key, {
+                    silent: true,
+                    bubbles: false,
+                    contextFn: function() {
+                        cewrapper.nodeRef = cewrapper.nodeRef || Y.one(cewrapper.el);
+                        return cewrapper.nodeRef;
+                    }
+                });
+            
+                // for later removeListener calls
+                cewrapper.el = el;
+                cewrapper.key = key;
+                cewrapper.domkey = ek;
+                cewrapper.type = type;
+                cewrapper.fn = function(e) {
+                    cewrapper.fire(Y.Event.getEvent(e, el, (compat || (false === facade))));
+                };
+				cewrapper.capture = capture;
+            
+                if (el == Y.config.win && type == "load") {
+                    // window load happens once
+                    cewrapper.fireOnce = true;
+                    _windowLoadKey = key;
+                }
+            
+                _wrappers[key] = cewrapper;
+                _el_events[ek] = _el_events[ek] || {};
+                _el_events[ek][key] = cewrapper;
+            
+                add(el, type, cewrapper.fn, capture);
+            }
+
+			return cewrapper;
+			
+		},
+
+        _attach: function(args, config) {
+
+            var compat, E=Y.Event,
+                handles, oEl, cewrapper, context, 
+                fireNow = false, ret,
+                type = args[0],
+                fn = args[1],
+                el = args[2] || Y.config.win,
+                facade = config && config.facade,
+                capture = config && config.capture;
+
+            if (args[args.length-1] === COMPAT_ARG) {
+                compat = true;
+                // trimmedArgs.pop();
+            }
+
+            if (!fn || !fn.call) {
+// throw new TypeError(type + " attach call failed, callback undefined");
+Y.log(type + " attach call failed, invalid callback", "error", "event");
+                return false;
+            }
+
+            // The el argument can be an array of elements or element ids.
+            if (shouldIterate(el)) {
+
+                handles=[];
+                
+                Y.each(el, function(v, k) {
+                    args[2] = v;
+                    handles.push(E._attach(args, config));
+                });
+
+                // return (handles.length === 1) ? handles[0] : handles;
+                return new Y.EventHandle(handles);
+
+            // If the el argument is a string, we assume it is 
+            // actually the id of the element.  If the page is loaded
+            // we convert el to the actual element, otherwise we 
+            // defer attaching the event until the element is
+            // ready
+            } else if (Y.Lang.isString(el)) {
+
+                // oEl = (compat) ? Y.DOM.byId(el) : Y.Selector.query(el);
+
+                if (compat) {
+                    oEl = Y.DOM.byId(el);
+                } else {
+
+                    oEl = Y.Selector.query(el);
+
+                    switch (oEl.length) {
+                        case 0:
+                            oEl = null;
+                            break;
+                        case 1:
+                            oEl = oEl[0];
+                            break;
+                        default:
+                            args[2] = oEl;
+                            return E._attach(args, config);
+                    }
+                }
+
+                if (oEl) {
+
+                    el = oEl;
+
+                // Not found = defer adding the event until the element is available
+                } else {
+
+                    // Y.log(el + ' not found');
+                    ret = this.onAvailable(el, function() {
+                        // Y.log('lazy attach: ' + args);
+                        
+                        ret.handle = E._attach(args, config);
+
+                    }, E, true, false, compat);
+
+                    return ret;
+
+                }
+            }
+
+            // Element should be an html element or node
+            if (!el) {
+                Y.log("unable to attach event " + type, "warn", "event");
+                return false;
+            }
+
+            if (Y.Node && el instanceof Y.Node) {
+                el = Y.Node.getDOMNode(el);
+            }
+
+ 			cewrapper = this._createWrapper(el, type, capture, compat, facade);
+
+            if (el == Y.config.win && type == "load") {
+
+                // if the load is complete, fire immediately.
+                // all subscribers, including the current one
+                // will be notified.
+                if (YUI.Env.windowLoaded) {
+                    fireNow = true;
+                }
+            }
+
+            if (compat) {
+                args.pop();
+            }
+
+            context = args[3];
+
+            // set context to the Node if not specified
+            // ret = cewrapper.on.apply(cewrapper, trimmedArgs);
+            ret = cewrapper._on(fn, context, (args.length > 4) ? args.slice(4) : null);
+
+            if (fireNow) {
+                cewrapper.fire();
+            }
+
+            return ret;
+
+        },
+
+        /**
+         * Removes an event listener.  Supports the signature the event was bound
+         * with, but the preferred way to remove listeners is using the handle
+         * that is returned when using Y.on
+         *
+         * @method detach
+         *
+         * @param {String} type the type of event to remove.
+         * @param {Function} fn the method the event invokes.  If fn is
+         * undefined, then all event handlers for the type of event are 
+         * removed.
+         * @param {String|HTMLElement|Array|NodeList|EventHandle} el An 
+         * event handle, an id, an element reference, or a collection 
+         * of ids and/or elements to remove the listener from.
+         * @return {boolean} true if the unbind was successful, false otherwise.
+         * @static
+         */
+        detach: function(type, fn, el, obj) {
+
+            var args=Y.Array(arguments, 0, true), compat, i, l, ok,
+                id, ce;
+
+            if (args[args.length-1] === COMPAT_ARG) {
+                compat = true;
+                // args.pop();
+            }
+
+            if (type && type.detach) {
+                return type.detach();
+            }
+
+            // The el argument can be a string
+            if (typeof el == "string") {
+
+                // el = (compat) ? Y.DOM.byId(el) : Y.all(el);
+                if (compat) {
+                    el = Y.DOM.byId(el);
+                } else {
+                    el = Y.Selector.query(el);
+                    l = el.length;
+                    if (l < 1) {
+                        el = null;
+                    } else if (l == 1) {
+                        el = el[0];
+                    }
+                }
+                // return Y.Event.detach.apply(Y.Event, args);
+
+            // The el argument can be an array of elements or element ids.
+            } 
+            
+            if (!el) {
+                return false;
+            }
+            
+            if (shouldIterate(el)) {
+
+                ok = true;
+                for (i=0, l=el.length; i<l; ++i) {
+                    args[2] = el[i];
+                    ok = ( Y.Event.detach.apply(Y.Event, args) && ok );
+                }
+
+                return ok;
+
+            }
+
+            if (!type || !fn || !fn.call) {
+                return this.purgeElement(el, false, type);
+            }
+
+            id = 'event:' + Y.stamp(el) + type;
+            ce = _wrappers[id];
+
+            if (ce) {
+                return ce.detach(fn);
+            } else {
+                return false;
+            }
+
+        },
+
+        /**
+         * Finds the event in the window object, the caller's arguments, or
+         * in the arguments of another method in the callstack.  This is
+         * executed automatically for events registered through the event
+         * manager, so the implementer should not normally need to execute
+         * this function at all.
+         * @method getEvent
+         * @param {Event} e the event parameter from the handler
+         * @param {HTMLElement} el the element the listener was attached to
+         * @return {Event} the event 
+         * @static
+         */
+        getEvent: function(e, el, noFacade) {
+            var ev = e || window.event;
+
+            return (noFacade) ? ev : 
+                new Y.DOMEventFacade(ev, el, _wrappers['event:' + Y.stamp(el) + e.type]);
+        },
+
+        /**
+         * Generates an unique ID for the element if it does not already 
+         * have one.
+         * @method generateId
+         * @param el the element to create the id for
+         * @return {string} the resulting id of the element
+         * @static
+         */
+        generateId: function(el) {
+            var id = el.id;
+
+            if (!id) {
+                id = Y.stamp(el);
+                el.id = id;
+            }
+
+            return id;
+        },
+
+        /**
+         * We want to be able to use getElementsByTagName as a collection
+         * to attach a group of events to.  Unfortunately, different 
+         * browsers return different types of collections.  This function
+         * tests to determine if the object is array-like.  It will also 
+         * fail if the object is an array, but is empty.
+         * @method _isValidCollection
+         * @param o the object to test
+         * @return {boolean} true if the object is array-like and populated
+         * @deprecated was not meant to be used directly
+         * @static
+         * @private
+         */
+        _isValidCollection: shouldIterate,
+
+        /**
+         * hook up any deferred listeners
+         * @method _load
+         * @static
+         * @private
+         */
+        _load: function(e) {
+
+            if (!_loadComplete) {
+
+                // Y.log('Load Complete', 'info', 'event');
+
+                _loadComplete = true;
+
+                // Just in case DOMReady did not go off for some reason
+                // E._ready();
+                if (Y.fire) {
+                    Y.fire(EVENT_READY);
+                }
+
+                // Available elements may not have been detected before the
+                // window load event fires. Try to find them now so that the
+                // the user is more likely to get the onAvailable notifications
+                // before the window load notification
+                Y.Event._poll();
+
+            }
+        },
+
+        /**
+         * Polling function that runs before the onload event fires, 
+         * attempting to attach to DOM Nodes as soon as they are 
+         * available
+         * @method _poll
+         * @static
+         * @private
+         */
+        _poll: function() {
+
+            if (this.locked) {
+                return;
+            }
+
+            if (Y.UA.ie && !YUI.Env.DOMReady) {
+                // Hold off if DOMReady has not fired and check current
+                // readyState to protect against the IE operation aborted
+                // issue.
+                this.startInterval();
+                return;
+            }
+
+            this.locked = true;
+
+            // Y.log.debug("poll");
+
+            // keep trying until after the page is loaded.  We need to 
+            // check the page load state prior to trying to bind the 
+            // elements so that we can be certain all elements have been 
+            // tested appropriately
+            var tryAgain = !_loadComplete, notAvail, executeItem,
+                i, len, item, el;
+
+            if (!tryAgain) {
+                tryAgain = (_retryCount > 0);
+            }
+
+            // onAvailable
+            notAvail = [];
+
+            executeItem = function (el, item) {
+
+                var context, ov = item.override;
+
+                if (item.compat) {
+
+                    if (item.override) {
+                        if (ov === true) {
+                            context = item.obj;
+                        } else {
+                            context = ov;
+                        }
+                    } else {
+                        context = el;
+                    }
+
+                    item.fn.call(context, item.obj);
+
+                } else {
+                    context = item.obj || Y.one(el);
+                    item.fn.apply(context, (Y.Lang.isArray(ov)) ? ov : []);
+                }
+
+            };
+
+
+            // onAvailable
+            for (i=0,len=_avail.length; i<len; ++i) {
+                item = _avail[i];
+                if (item && !item.checkReady) {
+
+                    // el = (item.compat) ? Y.DOM.byId(item.id) : Y.one(item.id);
+                    el = (item.compat) ? Y.DOM.byId(item.id) : Y.Selector.query(item.id, null, true);
+
+                    if (el) {
+                        // Y.log('avail: ' + el);
+                        executeItem(el, item);
+                        _avail[i] = null;
+                    } else {
+                        // Y.log('NOT avail: ' + el);
+                        notAvail.push(item);
+                    }
+                }
+            }
+
+            // onContentReady
+            for (i=0,len=_avail.length; i<len; ++i) {
+                item = _avail[i];
+                if (item && item.checkReady) {
+
+                    // el = (item.compat) ? Y.DOM.byId(item.id) : Y.one(item.id);
+                    el = (item.compat) ? Y.DOM.byId(item.id) : Y.Selector.query(item.id, null, true);
+
+                    if (el) {
+                        // The element is available, but not necessarily ready
+                        // @todo should we test parentNode.nextSibling?
+                        if (_loadComplete || (el.get && el.get('nextSibling')) || el.nextSibling) {
+                            executeItem(el, item);
+                            _avail[i] = null;
+                        }
+                    } else {
+                        notAvail.push(item);
+                    }
+                }
+            }
+
+            _retryCount = (notAvail.length === 0) ? 0 : _retryCount - 1;
+
+            if (tryAgain) {
+                // we may need to strip the nulled out items here
+                this.startInterval();
+            } else {
+                clearInterval(this._interval);
+                this._interval = null;
+            }
+
+            this.locked = false;
+
+            return;
+
+        },
+
+        /**
+         * Removes all listeners attached to the given element via addListener.
+         * Optionally, the node's children can also be purged.
+         * Optionally, you can specify a specific type of event to remove.
+         * @method purgeElement
+         * @param {HTMLElement} el the element to purge
+         * @param {boolean} recurse recursively purge this element's children
+         * as well.  Use with caution.
+         * @param {string} type optional type of listener to purge. If
+         * left out, all listeners will be removed
+         * @static
+         */
+        purgeElement: function(el, recurse, type) {
+            // var oEl = (Y.Lang.isString(el)) ? Y.one(el) : el,
+            var oEl = (Y.Lang.isString(el)) ?  Y.Selector.query(el, null, true) : el,
+                lis = this.getListeners(oEl, type), i, len, props;
+            if (lis) {
+                for (i=0,len=lis.length; i<len ; ++i) {
+                    props = lis[i];
+                    props.detachAll();
+                    remove(props.el, props.type, props.fn, props.capture);
+                    delete _wrappers[props.key];
+                    delete _el_events[props.domkey][props.key];
+                }
+
+            }
+
+            if (recurse && oEl && oEl.childNodes) {
+                for (i=0,len=oEl.childNodes.length; i<len ; ++i) {
+                    this.purgeElement(oEl.childNodes[i], recurse, type);
+                }
+            }
+
+        },
+
+        /**
+         * Returns all listeners attached to the given element via addListener.
+         * Optionally, you can specify a specific type of event to return.
+         * @method getListeners
+         * @param el {HTMLElement|string} the element or element id to inspect 
+         * @param type {string} optional type of listener to return. If
+         * left out, all listeners will be returned
+         * @return {Y.Custom.Event} the custom event wrapper for the DOM event(s)
+         * @static
+         */           
+        getListeners: function(el, type) {
+            var ek = Y.stamp(el, true), evts = _el_events[ek],
+                results=[] , key = (type) ? 'event:' + ek + type : null;
+
+            if (!evts) {
+                return null;
+            }
+
+            if (key) {
+                if (evts[key]) {
+                    results.push(evts[key]);
+                }
+
+                // get native events as well
+                key += 'native';
+                if (evts[key]) {
+                    results.push(evts[key]);
+                }
+
+            } else {
+                Y.each(evts, function(v, k) {
+                    results.push(v);
+                });
+            }
+
+            return (results.length) ? results : null;
+        },
+
+        /**
+         * Removes all listeners registered by pe.event.  Called 
+         * automatically during the unload event.
+         * @method _unload
+         * @static
+         * @private
+         */
+        _unload: function(e) {
+            Y.each(_wrappers, function(v, k) {
+                v.detachAll();
+                remove(v.el, v.type, v.fn, v.capture);
+                delete _wrappers[k];
+                delete _el_events[v.domkey][k];
+            });
+        },
+
+        
+        /**
+         * Adds a DOM event directly without the caching, cleanup, context adj, etc
+         *
+         * @method nativeAdd
+         * @param {HTMLElement} el      the element to bind the handler to
+         * @param {string}      type   the type of event handler
+         * @param {function}    fn      the callback to invoke
+         * @param {boolen}      capture capture or bubble phase
+         * @static
+         * @private
+         */
+        nativeAdd: add,
+
+        /**
+         * Basic remove listener
+         *
+         * @method nativeRemove
+         * @param {HTMLElement} el      the element to bind the handler to
+         * @param {string}      type   the type of event handler
+         * @param {function}    fn      the callback to invoke
+         * @param {boolen}      capture capture or bubble phase
+         * @static
+         * @private
+         */
+        nativeRemove: remove
+    };
+
+}();
+
+Y.Event = Event;
+
+
+if (Y.config.injected || YUI.Env.windowLoaded) {
+    onLoad();
+} else {
+    add(window, "load", onLoad);
+}
+
+// Process onAvailable/onContentReady items when when the DOM is ready in IE
+if (Y.UA.ie) {
+    Y.on(EVENT_READY, Event._poll, Event, true);
+}
+
+Y.on("unload", onUnload);
+
+Event.Custom = Y.CustomEvent;
+Event.Subscriber = Y.Subscriber;
+Event.Target = Y.EventTarget;
+Event.Handle = Y.EventHandle;
+Event.Facade = Y.EventFacade;
+
+Event._poll();
+
+})();
+
+/**
+ * DOM event listener abstraction layer
+ * @module event
+ * @submodule event-base
+ */
+
+/**
+ * Executes the callback as soon as the specified element 
+ * is detected in the DOM.
+ * @event available
+ * @param type {string} 'available'
+ * @param fn {function} the callback function to execute.
+ * @param el {string|HTMLElement|collection} the element(s) to attach
+ * @param context optional argument that specifies what 'this' refers to.
+ * @param args* 0..n additional arguments to pass on to the callback function.
+ * These arguments will be added after the event object.
+ * @return {EventHandle} the detach handle
+ * @for YUI
+ */
+Y.Env.evt.plugins.available = {
+    on: function(type, fn, id, o) {
+        var a = arguments.length > 4 ?  Y.Array(arguments, 4, true) : [];
+        return Y.Event.onAvailable.call(Y.Event, id, fn, o, a);
+    }
+};
+
+/**
+ * Executes the callback as soon as the specified element 
+ * is detected in the DOM with a nextSibling property
+ * (indicating that the element's children are available)
+ * @event contentready
+ * @param type {string} 'contentready'
+ * @param fn {function} the callback function to execute.
+ * @param el {string|HTMLElement|collection} the element(s) to attach
+ * @param context optional argument that specifies what 'this' refers to.
+ * @param args* 0..n additional arguments to pass on to the callback function.
+ * These arguments will be added after the event object.
+ * @return {EventHandle} the detach handle
+ * @for YUI
+ */
+Y.Env.evt.plugins.contentready = {
+    on: function(type, fn, id, o) {
+        var a = arguments.length > 4 ?  Y.Array(arguments, 4, true) : [];
+        return Y.Event.onContentReady.call(Y.Event, id, fn, o, a);
+    }
+};
+
+
+}, '3.0.0' ,{requires:['event-custom-base']});