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			/*
			Copyright (c) 2010, Yahoo! Inc. All rights reserved.
			Code licensed under the BSD License:
			http://developer.yahoo.com/yui/license.html
			version: 2.8.2r1
			*/

			/**
			* The CustomEvent class lets you define events for your application
			* that can be subscribed to by one or more independent component.
			*
			* @param {String} type The type of event, which is passed to the callback
			* when the event fires
			* @param {Object} context The context the event will fire from. "this" will
			* refer to this object in the callback. Default value:
			* the window object. The listener can override this.
			* @param {boolean} silent pass true to prevent the event from writing to
			* the debugsystem
			* @param {int} signature the signature that the custom event subscriber
			* will receive. YAHOO.util.CustomEvent.LIST or
			* YAHOO.util.CustomEvent.FLAT. The default is
			* YAHOO.util.CustomEvent.LIST.
			* @param fireOnce {boolean} If configured to fire once, the custom event
			* will only notify subscribers a single time regardless of how many times
			* the event is fired. In addition, new subscribers will be notified
			* immediately if the event has already been fired.
			* @namespace YAHOO.util
			* @class CustomEvent
			* @constructor
			*/
			YAHOO.util.CustomEvent = function(type, context, silent, signature, fireOnce) {

			/**
			* The type of event, returned to subscribers when the event fires
			* @property type
			* @type string
			*/
			this.type = type;

			/**
			* The context the event will fire from by default. Defaults to the window obj.
			* @property scope
			* @type object
			*/
			this.scope = context \|\| window;

			/**
			* By default all custom events are logged in the debug build. Set silent to true
			* to disable debug output for this event.
			* @property silent
			* @type boolean
			*/
			this.silent = silent;

			/**
			* If configured to fire once, the custom event will only notify subscribers
			* a single time regardless of how many times the event is fired. In addition,
			* new subscribers will be notified immediately if the event has already been
			* fired.
			* @property fireOnce
			* @type boolean
			* @default false
			*/
			this.fireOnce = fireOnce;

			/**
			* Indicates whether or not this event has ever been fired.
			* @property fired
			* @type boolean
			* @default false
			*/
			this.fired = false;

			/**
			* For fireOnce events the arguments the event was fired with are stored
			* so that new subscribers get the proper payload.
			* @property firedWith
			* @type Array
			*/
			this.firedWith = null;

			/**
			* Custom events support two styles of arguments provided to the event
			* subscribers.
			* <ul>
			* <li>YAHOO.util.CustomEvent.LIST:
			* <ul>
			* <li>param1: event name</li>
			* <li>param2: array of arguments sent to fire</li>
			* <li>param3: <optional> a custom object supplied by the subscriber</li>
			* </ul>
			* </li>
			* <li>YAHOO.util.CustomEvent.FLAT
			* <ul>
			* <li>param1: the first argument passed to fire. If you need to
			* pass multiple parameters, use and array or object literal</li>
			* <li>param2: <optional> a custom object supplied by the subscriber</li>
			* </ul>
			* </li>
			* </ul>
			* @property signature
			* @type int
			*/
			this.signature = signature \|\| YAHOO.util.CustomEvent.LIST;

			/**
			* The subscribers to this event
			* @property subscribers
			* @type Subscriber[]
			*/
			this.subscribers = [];

			if (!this.silent) {
			YAHOO.log( "Creating " + this, "info", "Event" );
			}

			var onsubscribeType = "_YUICEOnSubscribe";

			// Only add subscribe events for events that are not generated by
			// CustomEvent
			if (type !== onsubscribeType) {

			/**
			* Custom events provide a custom event that fires whenever there is
			* a new subscriber to the event. This provides an opportunity to
			* handle the case where there is a non-repeating event that has
			* already fired has a new subscriber.
			*
			* @event subscribeEvent
			* @type YAHOO.util.CustomEvent
			* @param fn {Function} The function to execute
			* @param obj <Object> An object to be passed along when the event fires.
			* Defaults to the custom event.
			* @param override <boolean\|Object> If true, the obj passed in becomes the
			* execution context of the listener. If an object, that object becomes
			* the execution context. Defaults to the custom event.
			*/
			this.subscribeEvent =
			new YAHOO.util.CustomEvent(onsubscribeType, this, true);

			}


			/**
			* In order to make it possible to execute the rest of the subscriber
			* stack when one thows an exception, the subscribers exceptions are
			* caught. The most recent exception is stored in this property
			* @property lastError
			* @type Error
			*/
			this.lastError = null;
			};

			/**
			* Subscriber listener sigature constant. The LIST type returns three
			* parameters: the event type, the array of args passed to fire, and
			* the optional custom object
			* @property YAHOO.util.CustomEvent.LIST
			* @static
			* @type int
			*/
			YAHOO.util.CustomEvent.LIST = 0;

			/**
			* Subscriber listener sigature constant. The FLAT type returns two
			* parameters: the first argument passed to fire and the optional
			* custom object
			* @property YAHOO.util.CustomEvent.FLAT
			* @static
			* @type int
			*/
			YAHOO.util.CustomEvent.FLAT = 1;

			YAHOO.util.CustomEvent.prototype = {

			/**
			* Subscribes the caller to this event
			* @method subscribe
			* @param {Function} fn The function to execute
			* @param {Object} obj An object to be passed along when the event fires.
			* overrideContext <boolean\|Object> If true, the obj passed in becomes the execution
			* context of the listener. If an object, that object becomes the execution context.
			*/
			subscribe: function(fn, obj, overrideContext) {

			if (!fn) {
			throw new Error("Invalid callback for subscriber to '" + this.type + "'");
			}

			if (this.subscribeEvent) {
			this.subscribeEvent.fire(fn, obj, overrideContext);
			}

			var s = new YAHOO.util.Subscriber(fn, obj, overrideContext);

			if (this.fireOnce && this.fired) {
			this.notify(s, this.firedWith);
			} else {
			this.subscribers.push(s);
			}
			},

			/**
			* Unsubscribes subscribers.
			* @method unsubscribe
			* @param {Function} fn The subscribed function to remove, if not supplied
			* all will be removed
			* @param {Object} obj The custom object passed to subscribe. This is
			* optional, but if supplied will be used to
			* disambiguate multiple listeners that are the same
			* (e.g., you subscribe many object using a function
			* that lives on the prototype)
			* @return {boolean} True if the subscriber was found and detached.
			*/
			unsubscribe: function(fn, obj) {

			if (!fn) {
			return this.unsubscribeAll();
			}

			var found = false;
			for (var i=0, len=this.subscribers.length; i<len; ++i) {
			var s = this.subscribers[i];
			if (s && s.contains(fn, obj)) {
			this._delete(i);
			found = true;
			}
			}

			return found;
			},

			/**
			* Notifies the subscribers. The callback functions will be executed
			* from the context specified when the event was created, and with the
			* following parameters:
			* <ul>
			* <li>The type of event</li>
			* <li>All of the arguments fire() was executed with as an array</li>
			* <li>The custom object (if any) that was passed into the subscribe()
			* method</li>
			* </ul>
			* @method fire
			* @param {Object*} arguments an arbitrary set of parameters to pass to
			* the handler.
			* @return {boolean} false if one of the subscribers returned false,
			* true otherwise
			*/
			fire: function() {

			this.lastError = null;

			var errors = [],
			len=this.subscribers.length;


			var args=[].slice.call(arguments, 0), ret=true, i, rebuild=false;

			if (this.fireOnce) {
			if (this.fired) {
			YAHOO.log('fireOnce event has already fired: ' + this.type);
			return true;
			} else {
			this.firedWith = args;
			}
			}

			this.fired = true;

			if (!len && this.silent) {
			//YAHOO.log('DEBUG no subscribers');
			return true;
			}

			if (!this.silent) {
			YAHOO.log( "Firing " + this + ", " +
			"args: " + args + ", " +
			"subscribers: " + len,
			"info", "Event" );
			}

			// make a copy of the subscribers so that there are
			// no index problems if one subscriber removes another.
			var subs = this.subscribers.slice();

			for (i=0; i<len; ++i) {
			var s = subs[i];
			if (!s) {
			rebuild=true;
			} else {

			ret = this.notify(s, args);

			if (false === ret) {
			if (!this.silent) {
			YAHOO.log("Event stopped, sub " + i + " of " + len, "info", "Event");
			}

			break;
			}
			}
			}

			return (ret !== false);
			},

			notify: function(s, args) {

			var ret, param=null, scope = s.getScope(this.scope),
			throwErrors = YAHOO.util.Event.throwErrors;

			if (!this.silent) {
			YAHOO.log( this.type + "-> " + s, "info", "Event" );
			}

			if (this.signature == YAHOO.util.CustomEvent.FLAT) {

			if (args.length > 0) {
			param = args[0];
			}

			try {
			ret = s.fn.call(scope, param, s.obj);
			} catch(e) {
			this.lastError = e;
			// errors.push(e);
			YAHOO.log(this + " subscriber exception: " + e, "error", "Event");
			if (throwErrors) {
			throw e;
			}
			}
			} else {
			try {
			ret = s.fn.call(scope, this.type, args, s.obj);
			} catch(ex) {
			this.lastError = ex;
			YAHOO.log(this + " subscriber exception: " + ex, "error", "Event");
			if (throwErrors) {
			throw ex;
			}
			}
			}

			return ret;
			},

			/**
			* Removes all listeners
			* @method unsubscribeAll
			* @return {int} The number of listeners unsubscribed
			*/
			unsubscribeAll: function() {
			var l = this.subscribers.length, i;
			for (i=l-1; i>-1; i--) {
			this._delete(i);
			}

			this.subscribers=[];

			return l;
			},

			/**
			* @method _delete
			* @private
			*/
			_delete: function(index) {
			var s = this.subscribers[index];
			if (s) {
			delete s.fn;
			delete s.obj;
			}

			// this.subscribers[index]=null;
			this.subscribers.splice(index, 1);
			},

			/**
			* @method toString
			*/
			toString: function() {
			return "CustomEvent: " + "'" + this.type + "', " +
			"context: " + this.scope;

			}
			};

			/////////////////////////////////////////////////////////////////////

			/**
			* Stores the subscriber information to be used when the event fires.
			* @param {Function} fn The function to execute
			* @param {Object} obj An object to be passed along when the event fires
			* @param {boolean} overrideContext If true, the obj passed in becomes the execution
			* context of the listener
			* @class Subscriber
			* @constructor
			*/
			YAHOO.util.Subscriber = function(fn, obj, overrideContext) {

			/**
			* The callback that will be execute when the event fires
			* @property fn
			* @type function
			*/
			this.fn = fn;

			/**
			* An optional custom object that will passed to the callback when
			* the event fires
			* @property obj
			* @type object
			*/
			this.obj = YAHOO.lang.isUndefined(obj) ? null : obj;

			/**
			* The default execution context for the event listener is defined when the
			* event is created (usually the object which contains the event).
			* By setting overrideContext to true, the execution context becomes the custom
			* object passed in by the subscriber. If overrideContext is an object, that
			* object becomes the context.
			* @property overrideContext
			* @type boolean\|object
			*/
			this.overrideContext = overrideContext;

			};

			/**
			* Returns the execution context for this listener. If overrideContext was set to true
			* the custom obj will be the context. If overrideContext is an object, that is the
			* context, otherwise the default context will be used.
			* @method getScope
			* @param {Object} defaultScope the context to use if this listener does not
			* override it.
			*/
			YAHOO.util.Subscriber.prototype.getScope = function(defaultScope) {
			if (this.overrideContext) {
			if (this.overrideContext === true) {
			return this.obj;
			} else {
			return this.overrideContext;
			}
			}
			return defaultScope;
			};

			/**
			* Returns true if the fn and obj match this objects properties.
			* Used by the unsubscribe method to match the right subscriber.
			*
			* @method contains
			* @param {Function} fn the function to execute
			* @param {Object} obj an object to be passed along when the event fires
			* @return {boolean} true if the supplied arguments match this
			* subscriber's signature.
			*/
			YAHOO.util.Subscriber.prototype.contains = function(fn, obj) {
			if (obj) {
			return (this.fn == fn && this.obj == obj);
			} else {
			return (this.fn == fn);
			}
			};

			/**
			* @method toString
			*/
			YAHOO.util.Subscriber.prototype.toString = function() {
			return "Subscriber { obj: " + this.obj +
			", overrideContext: " + (this.overrideContext \|\| "no") + " }";
			};

			/**
			* The Event Utility provides utilities for managing DOM Events and tools
			* for building event systems
			*
			* @module event
			* @title Event Utility
			* @namespace YAHOO.util
			* @requires yahoo
			*/

			// The first instance of Event will win if it is loaded more than once.
			// @TODO this needs to be changed so that only the state data that needs to
			// be preserved is kept, while methods are overwritten/added as needed.
			// This means that the module pattern can't be used.
			if (!YAHOO.util.Event) {

			/**
			* 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
			*/
			YAHOO.util.Event = function() {

			/**
			* True after the onload event has fired
			* @property loadComplete
			* @type boolean
			* @static
			* @private
			*/
			var loadComplete = false,

			/**
			* Cache of wrapped listeners
			* @property listeners
			* @type array
			* @static
			* @private
			*/
			listeners = [],


			/**
			* User-defined unload function that will be fired before all events
			* are detached
			* @property unloadListeners
			* @type array
			* @static
			* @private
			*/
			unloadListeners = [],

			/**
			* 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 onAvailStack
			* @static
			* @private
			*/
			onAvailStack = [],

			/**
			* Counter for auto id generation
			* @property counter
			* @static
			* @private
			*/
			counter = 0,

			/**
			* Normalized keycodes for webkit/safari
			* @property webkitKeymap
			* @type {int: int}
			* @private
			* @static
			* @final
			*/
			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)
			},

			isIE = YAHOO.env.ua.ie,

			// String constants used by the addFocusListener and removeFocusListener methods

			FOCUSIN = "focusin",
			FOCUSOUT = "focusout";

			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 500@amp;40 ms, so it will poll
			* for 20 seconds or until all outstanding handlers are bound
			* (whichever comes first).
			* @property POLL_RETRYS
			* @type int
			* @static
			* @final
			*/
			POLL_RETRYS: 500,

			/**
			* The poll interval in milliseconds
			* @property POLL_INTERVAL
			* @type int
			* @static
			* @final
			*/
			POLL_INTERVAL: 40,

			/**
			* Element to bind, int constant
			* @property EL
			* @type int
			* @static
			* @final
			*/
			EL: 0,

			/**
			* Type of event, int constant
			* @property TYPE
			* @type int
			* @static
			* @final
			*/
			TYPE: 1,

			/**
			* Function to execute, int constant
			* @property FN
			* @type int
			* @static
			* @final
			*/
			FN: 2,

			/**
			* Function wrapped for context correction and cleanup, int constant
			* @property WFN
			* @type int
			* @static
			* @final
			*/
			WFN: 3,

			/**
			* Object passed in by the user that will be returned as a
			* parameter to the callback, int constant. Specific to
			* unload listeners
			* @property OBJ
			* @type int
			* @static
			* @final
			*/
			UNLOAD_OBJ: 3,

			/**
			* Adjusted context, either the element we are registering the event
			* on or the custom object passed in by the listener, int constant
			* @property ADJ_SCOPE
			* @type int
			* @static
			* @final
			*/
			ADJ_SCOPE: 4,

			/**
			* The original obj passed into addListener
			* @property OBJ
			* @type int
			* @static
			* @final
			*/
			OBJ: 5,

			/**
			* The original context parameter passed into addListener
			* @property OVERRIDE
			* @type int
			* @static
			* @final
			*/
			OVERRIDE: 6,

			/**
			* The original capture parameter passed into addListener
			* @property CAPTURE
			* @type int
			* @static
			* @final
			*/
			CAPTURE: 7,

			/**
			* 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,

			/**
			* Safari detection
			* @property isSafari
			* @private
			* @static
			* @deprecated use YAHOO.env.ua.webkit
			*/
			isSafari: YAHOO.env.ua.webkit,

			/**
			* webkit version
			* @property webkit
			* @type string
			* @private
			* @static
			* @deprecated use YAHOO.env.ua.webkit
			*/
			webkit: YAHOO.env.ua.webkit,

			/**
			* IE detection
			* @property isIE
			* @private
			* @static
			* @deprecated use YAHOO.env.ua.ie
			*/
			isIE: isIE,

			/**
			* poll handle
			* @property _interval
			* @static
			* @private
			*/
			_interval: null,

			/**
			* document readystate poll handle
			* @property _dri
			* @static
			* @private
			*/
			_dri: null,


			/**
			* Map of special event types
			* @property _specialTypes
			* @static
			* @private
			*/
			_specialTypes: {
			focusin: (isIE ? "focusin" : "focus"),
			focusout: (isIE ? "focusout" : "blur")
			},


			/**
			* True when the document is initially usable
			* @property DOMReady
			* @type boolean
			* @static
			*/
			DOMReady: false,

			/**
			* Errors thrown by subscribers of custom events are caught
			* and the error message is written to the debug console. If
			* this property is set to true, it will also re-throw the
			* error.
			* @property throwErrors
			* @type boolean
			* @default false
			*/
			throwErrors: false,


			/**
			* @method startInterval
			* @static
			* @private
			*/
			startInterval: function() {
			if (!this._interval) {
			// var self = this;
			// var callback = function() { self._tryPreloadAttach(); };
			// this._interval = setInterval(callback, this.POLL_INTERVAL);
			this._interval = YAHOO.lang.later(this.POLL_INTERVAL, this, this._tryPreloadAttach, null, true);
			}
			},

			/**
			* 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} obj an optional object to be passed back as
			* a parameter to fn.
			* @param {boolean\|object} overrideContext If set to true, fn will execute
			* in the context of obj, if set to an object it
			* will execute in the context of that object
			* @param checkContent {boolean} check child node readiness (onContentReady)
			* @static
			*/
			onAvailable: function(id, fn, obj, overrideContext, checkContent) {

			var a = (YAHOO.lang.isString(id)) ? [id] : id;

			for (var i=0; i<a.length; i=i+1) {
			onAvailStack.push({id: a[i],
			fn: fn,
			obj: obj,
			overrideContext: overrideContext,
			checkReady: checkContent });
			}

			retryCount = this.POLL_RETRYS;

			this.startInterval();
			},

			/**
			* 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} obj an optional object to be passed back as
			* a parameter to fn.
			* @param {boolean\|object} overrideContext If set to true, fn will execute
			* in the context of obj. If an object, fn will
			* exectute in the context of that object
			*
			* @static
			*/
			onContentReady: function(id, fn, obj, overrideContext) {
			this.onAvailable(id, fn, obj, overrideContext, true);
			},

			/**
			* Executes the supplied callback when the DOM is first usable. This
			* will execute immediately if called after the DOMReady event has
			* fired. @todo the DOMContentReady event does not fire when the
			* script is dynamically injected into the page. This means the
			* DOMReady custom event will never fire in FireFox or Opera when the
			* library is injected. It _will_ fire in Safari, and the IE
			* implementation would allow for us to fire it if the defered script
			* is not available. We want this to behave the same in all browsers.
			* Is there a way to identify when the script has been injected
			* instead of included inline? Is there a way to know whether the
			* window onload event has fired without having had a listener attached
			* to it when it did so?
			*
			* <p>The callback is a CustomEvent, so the signature is:</p>
			* <p>type <string>, args <array>, customobject <object></p>
			* <p>For DOMReady events, there are no fire argments, so the
			* signature is:</p>
			* <p>"DOMReady", [], obj</p>
			*
			*
			* @method onDOMReady
			*
			* @param {function} fn what to execute when the element is found.
			* @param {object} obj an optional object to be passed back as
			* a parameter to fn.
			* @param {boolean\|object} overrideContext If set to true, fn will execute
			* in the context of obj, if set to an object it
			* will execute in the context of that object
			*
			* @static
			*/
			// onDOMReady: function(fn, obj, overrideContext) {
			onDOMReady: function() {
			this.DOMReadyEvent.subscribe.apply(this.DOMReadyEvent, arguments);
			},


			/**
			* Appends an event handler
			*
			* @method _addListener
			*
			* @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 {String} sType The type of event to append
			* @param {Function} fn The method the event invokes
			* @param {Object} obj An arbitrary object that will be
			* passed as a parameter to the handler
			* @param {Boolean\|object} overrideContext If true, the obj passed in becomes
			* the execution context of the listener. If an
			* object, this object becomes the execution
			* context.
			* @param {boolen} capture capture or bubble phase
			* @return {Boolean} True if the action was successful or defered,
			* false if one or more of the elements
			* could not have the listener attached,
			* or if the operation throws an exception.
			* @private
			* @static
			*/
			_addListener: function(el, sType, fn, obj, overrideContext, bCapture) {

			if (!fn \|\| !fn.call) {
			YAHOO.log(sType + " addListener failed, invalid callback", "error", "Event");
			return false;
			}

			// The el argument can be an array of elements or element ids.
			if ( this._isValidCollection(el)) {
			var ok = true;
			for (var i=0,len=el.length; i<len; ++i) {
			ok = this.on(el[i],
			sType,
			fn,
			obj,
			overrideContext) && ok;
			}
			return ok;

			} else if (YAHOO.lang.isString(el)) {
			var oEl = this.getEl(el);
			// 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 onload event fires

			// check to see if we need to delay hooking up the event
			// until after the page loads.
			if (oEl) {
			el = oEl;
			} else {
			// defer adding the event until the element is available
			this.onAvailable(el, function() {
			YAHOO.util.Event._addListener(el, sType, fn, obj, overrideContext, bCapture);
			});

			return true;
			}
			}

			// Element should be an html element or an array if we get
			// here.
			if (!el) {
			// this.logger.debug("unable to attach event " + sType);
			return false;
			}

			// we need to make sure we fire registered unload events
			// prior to automatically unhooking them. So we hang on to
			// these instead of attaching them to the window and fire the
			// handles explicitly during our one unload event.
			if ("unload" == sType && obj !== this) {
			unloadListeners[unloadListeners.length] =
			[el, sType, fn, obj, overrideContext];
			return true;
			}

			// this.logger.debug("Adding handler: " + el + ", " + sType);

			// if the user chooses to override the context, we use the custom
			// object passed in, otherwise the executing context will be the
			// HTML element that the event is registered on
			var context = el;
			if (overrideContext) {
			if (overrideContext === true) {
			context = obj;
			} else {
			context = overrideContext;
			}
			}

			// wrap the function so we can return the obj object when
			// the event fires;
			var wrappedFn = function(e) {
			return fn.call(context, YAHOO.util.Event.getEvent(e, el),
			obj);
			};

			var li = [el, sType, fn, wrappedFn, context, obj, overrideContext, bCapture];
			var index = listeners.length;
			// cache the listener so we can try to automatically unload
			listeners[index] = li;

			try {
			this._simpleAdd(el, sType, wrappedFn, bCapture);
			} catch(ex) {
			// handle an error trying to attach an event. If it fails
			// we need to clean up the cache
			this.lastError = ex;
			this.removeListener(el, sType, fn);
			return false;
			}

			return true;

			},

			/**
			* Checks to see if the type requested is a special type
			* (as defined by the _specialTypes hash), and (if so) returns
			* the special type name.
			*
			* @method _getType
			*
			* @param {String} sType The type to look up
			* @private
			*/
			_getType: function (type) {

			return this._specialTypes[type] \|\| type;

			},


			/**
			* Appends an event handler
			*
			* @method addListener
			*
			* @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 {String} sType The type of event to append
			* @param {Function} fn The method the event invokes
			* @param {Object} obj An arbitrary object that will be
			* passed as a parameter to the handler
			* @param {Boolean\|object} overrideContext If true, the obj passed in becomes
			* the execution context of the listener. If an
			* object, this object becomes the execution
			* context.
			* @return {Boolean} True if the action was successful or defered,
			* false if one or more of the elements
			* could not have the listener attached,
			* or if the operation throws an exception.
			* @static
			*/
			addListener: function (el, sType, fn, obj, overrideContext) {

			var capture = ((sType == FOCUSIN \|\| sType == FOCUSOUT) && !YAHOO.env.ua.ie) ? true : false;

			return this._addListener(el, this._getType(sType), fn, obj, overrideContext, capture);

			},


			/**
			* Attaches a focusin event listener to the specified element for
			* the purpose of listening for the focus event on the element's
			* descendants.
			* @method addFocusListener
			*
			* @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 {Function} fn The method the event invokes
			* @param {Object} obj An arbitrary object that will be
			* passed as a parameter to the handler
			* @param {Boolean\|object} overrideContext If true, the obj passed in becomes
			* the execution context of the listener. If an
			* object, this object becomes the execution
			* context.
			* @return {Boolean} True if the action was successful or defered,
			* false if one or more of the elements
			* could not have the listener attached,
			* or if the operation throws an exception.
			* @static
			* @deprecated use YAHOO.util.Event.on and specify "focusin" as the event type.
			*/
			addFocusListener: function (el, fn, obj, overrideContext) {
			return this.on(el, FOCUSIN, fn, obj, overrideContext);
			},


			/**
			* Removes a focusin event listener to the specified element for
			* the purpose of listening for the focus event on the element's
			* descendants.
			*
			* @method removeFocusListener
			*
			* @param {String\|HTMLElement\|Array\|NodeList} el An id, an element
			* reference, or a collection of ids and/or elements to remove
			* the listener from.
			* @param {Function} fn the method the event invokes. If fn is
			* undefined, then all event handlers for the type of event are
			* removed.
			* @return {boolean} true if the unbind was successful, false
			* otherwise.
			* @static
			* @deprecated use YAHOO.util.Event.removeListener and specify "focusin" as the event type.
			*/
			removeFocusListener: function (el, fn) {
			return this.removeListener(el, FOCUSIN, fn);
			},

			/**
			* Attaches a focusout event listener to the specified element for
			* the purpose of listening for the blur event on the element's
			* descendants.
			*
			* @method addBlurListener
			*
			* @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 {Function} fn The method the event invokes
			* @param {Object} obj An arbitrary object that will be
			* passed as a parameter to the handler
			* @param {Boolean\|object} overrideContext If true, the obj passed in becomes
			* the execution context of the listener. If an
			* object, this object becomes the execution
			* context.
			* @return {Boolean} True if the action was successful or defered,
			* false if one or more of the elements
			* could not have the listener attached,
			* or if the operation throws an exception.
			* @static
			* @deprecated use YAHOO.util.Event.on and specify "focusout" as the event type.
			*/
			addBlurListener: function (el, fn, obj, overrideContext) {
			return this.on(el, FOCUSOUT, fn, obj, overrideContext);
			},

			/**
			* Removes a focusout event listener to the specified element for
			* the purpose of listening for the blur event on the element's
			* descendants.
			*
			* @method removeBlurListener
			*
			* @param {String\|HTMLElement\|Array\|NodeList} el An id, an element
			* reference, or a collection of ids and/or elements to remove
			* the listener from.
			* @param {Function} fn the method the event invokes. If fn is
			* undefined, then all event handlers for the type of event are
			* removed.
			* @return {boolean} true if the unbind was successful, false
			* otherwise.
			* @static
			* @deprecated use YAHOO.util.Event.removeListener and specify "focusout" as the event type.
			*/
			removeBlurListener: function (el, fn) {
			return this.removeListener(el, FOCUSOUT, fn);
			},

			/**
			* Removes an event listener
			*
			* @method removeListener
			*
			* @param {String\|HTMLElement\|Array\|NodeList} el An id, an element
			* reference, or a collection of ids and/or elements to remove
			* the listener from.
			* @param {String} sType 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.
			* @return {boolean} true if the unbind was successful, false
			* otherwise.
			* @static
			*/
			removeListener: function(el, sType, fn) {
			var i, len, li;

			sType = this._getType(sType);

			// The el argument can be a string
			if (typeof el == "string") {
			el = this.getEl(el);
			// The el argument can be an array of elements or element ids.
			} else if ( this._isValidCollection(el)) {
			var ok = true;
			for (i=el.length-1; i>-1; i--) {
			ok = ( this.removeListener(el[i], sType, fn) && ok );
			}
			return ok;
			}

			if (!fn \|\| !fn.call) {
			// this.logger.debug("Error, function is not valid " + fn);
			//return false;
			return this.purgeElement(el, false, sType);
			}

			if ("unload" == sType) {

			for (i=unloadListeners.length-1; i>-1; i--) {
			li = unloadListeners[i];
			if (li &&
			li[0] == el &&
			li[1] == sType &&
			li[2] == fn) {
			unloadListeners.splice(i, 1);
			// unloadListeners[i]=null;
			return true;
			}
			}

			return false;
			}

			var cacheItem = null;

			// The index is a hidden parameter; needed to remove it from
			// the method signature because it was tempting users to
			// try and take advantage of it, which is not possible.
			var index = arguments[3];

			if ("undefined" === typeof index) {
			index = this._getCacheIndex(listeners, el, sType, fn);
			}

			if (index >= 0) {
			cacheItem = listeners[index];
			}

			if (!el \|\| !cacheItem) {
			// this.logger.debug("cached listener not found");
			return false;
			}

			// this.logger.debug("Removing handler: " + el + ", " + sType);

			var bCapture = cacheItem[this.CAPTURE] === true ? true : false;

			try {
			this._simpleRemove(el, sType, cacheItem[this.WFN], bCapture);
			} catch(ex) {
			this.lastError = ex;
			return false;
			}

			// removed the wrapped handler
			delete listeners[index][this.WFN];
			delete listeners[index][this.FN];
			listeners.splice(index, 1);
			// listeners[index]=null;

			return true;

			},

			/**
			* Returns the event's target element. Safari sometimes provides
			* a text node, and this is automatically resolved to the text
			* node's parent so that it behaves like other browsers.
			* @method getTarget
			* @param {Event} ev the event
			* @param {boolean} resolveTextNode when set to true the target's
			* parent will be returned if the target is a
			* text node. @deprecated, the text node is
			* now resolved automatically
			* @return {HTMLElement} the event's target
			* @static
			*/
			getTarget: function(ev, resolveTextNode) {
			var t = ev.target \|\| ev.srcElement;
			return this.resolveTextNode(t);
			},

			/**
			* In some cases, some browsers will return a text node inside
			* the actual element that was targeted. This normalizes the
			* return value for getTarget and getRelatedTarget.
			* @method resolveTextNode
			* @param {HTMLElement} node node to resolve
			* @return {HTMLElement} the normized node
			* @static
			*/
			resolveTextNode: function(n) {
			try {
			if (n && 3 == n.nodeType) {
			return n.parentNode;
			}
			} catch(e) { }

			return n;
			},

			/**
			* Returns the event's pageX
			* @method getPageX
			* @param {Event} ev the event
			* @return {int} the event's pageX
			* @static
			*/
			getPageX: function(ev) {
			var x = ev.pageX;
			if (!x && 0 !== x) {
			x = ev.clientX \|\| 0;

			if ( this.isIE ) {
			x += this._getScrollLeft();
			}
			}

			return x;
			},

			/**
			* Returns the event's pageY
			* @method getPageY
			* @param {Event} ev the event
			* @return {int} the event's pageY
			* @static
			*/
			getPageY: function(ev) {
			var y = ev.pageY;
			if (!y && 0 !== y) {
			y = ev.clientY \|\| 0;

			if ( this.isIE ) {
			y += this._getScrollTop();
			}
			}


			return y;
			},

			/**
			* Returns the pageX and pageY properties as an indexed array.
			* @method getXY
			* @param {Event} ev the event
			* @return {[x, y]} the pageX and pageY properties of the event
			* @static
			*/
			getXY: function(ev) {
			return [this.getPageX(ev), this.getPageY(ev)];
			},

			/**
			* Returns the event's related target
			* @method getRelatedTarget
			* @param {Event} ev the event
			* @return {HTMLElement} the event's relatedTarget
			* @static
			*/
			getRelatedTarget: function(ev) {
			var t = ev.relatedTarget;
			if (!t) {
			if (ev.type == "mouseout") {
			t = ev.toElement;
			} else if (ev.type == "mouseover") {
			t = ev.fromElement;
			}
			}

			return this.resolveTextNode(t);
			},

			/**
			* Returns the time of the event. If the time is not included, the
			* event is modified using the current time.
			* @method getTime
			* @param {Event} ev the event
			* @return {Date} the time of the event
			* @static
			*/
			getTime: function(ev) {
			if (!ev.time) {
			var t = new Date().getTime();
			try {
			ev.time = t;
			} catch(ex) {
			this.lastError = ex;
			return t;
			}
			}

			return ev.time;
			},

			/**
			* Convenience method for stopPropagation + preventDefault
			* @method stopEvent
			* @param {Event} ev the event
			* @static
			*/
			stopEvent: function(ev) {
			this.stopPropagation(ev);
			this.preventDefault(ev);
			},

			/**
			* Stops event propagation
			* @method stopPropagation
			* @param {Event} ev the event
			* @static
			*/
			stopPropagation: function(ev) {
			if (ev.stopPropagation) {
			ev.stopPropagation();
			} else {
			ev.cancelBubble = true;
			}
			},

			/**
			* Prevents the default behavior of the event
			* @method preventDefault
			* @param {Event} ev the event
			* @static
			*/
			preventDefault: function(ev) {
			if (ev.preventDefault) {
			ev.preventDefault();
			} else {
			ev.returnValue = 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} boundEl the element the listener is attached to
			* @return {Event} the event
			* @static
			*/
			getEvent: function(e, boundEl) {
			var ev = e \|\| window.event;

			if (!ev) {
			var c = this.getEvent.caller;
			while (c) {
			ev = c.arguments[0];
			if (ev && Event == ev.constructor) {
			break;
			}
			c = c.caller;
			}
			}

			return ev;
			},

			/**
			* Returns the charcode for an event
			* @method getCharCode
			* @param {Event} ev the event
			* @return {int} the event's charCode
			* @static
			*/
			getCharCode: function(ev) {
			var code = ev.keyCode \|\| ev.charCode \|\| 0;

			// webkit key normalization
			if (YAHOO.env.ua.webkit && (code in webkitKeymap)) {
			code = webkitKeymap[code];
			}
			return code;
			},

			/**
			* Locating the saved event handler data by function ref
			*
			* @method _getCacheIndex
			* @static
			* @private
			*/
			_getCacheIndex: function(a, el, sType, fn) {
			for (var i=0, l=a.length; i<l; i=i+1) {
			var li = a[i];
			if ( li &&
			li[this.FN] == fn &&
			li[this.EL] == el &&
			li[this.TYPE] == sType ) {
			return i;
			}
			}

			return -1;
			},

			/**
			* 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 = "yuievtautoid-" + counter;
			++counter;
			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
			* @static
			* @private
			*/
			_isValidCollection: function(o) {
			try {
			return ( o && // o is something
			typeof o !== "string" && // o is not a string
			o.length && // o is indexed
			!o.tagName && // o is not an HTML element
			!o.alert && // o is not a window
			typeof o[0] !== "undefined" );
			} catch(ex) {
			YAHOO.log("node access error (xframe?)", "warn");
			return false;
			}

			},

			/**
			* @private
			* @property elCache
			* DOM element cache
			* @static
			* @deprecated Elements are not cached due to issues that arise when
			* elements are removed and re-added
			*/
			elCache: {},

			/**
			* We cache elements bound by id because when the unload event
			* fires, we can no longer use document.getElementById
			* @method getEl
			* @static
			* @private
			* @deprecated Elements are not cached any longer
			*/
			getEl: function(id) {
			return (typeof id === "string") ? document.getElementById(id) : id;
			},

			/**
			* Clears the element cache
			* @deprecated Elements are not cached any longer
			* @method clearCache
			* @static
			* @private
			*/
			clearCache: function() { },

			/**
			* Custom event the fires when the dom is initially usable
			* @event DOMReadyEvent
			*/
			DOMReadyEvent: new YAHOO.util.CustomEvent("DOMReady", YAHOO, 0, 0, 1),

			/**
			* hook up any deferred listeners
			* @method _load
			* @static
			* @private
			*/
			_load: function(e) {

			if (!loadComplete) {
			loadComplete = true;
			var EU = YAHOO.util.Event;

			// Just in case DOMReady did not go off for some reason
			EU._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
			EU._tryPreloadAttach();

			}
			},

			/**
			* Fires the DOMReady event listeners the first time the document is
			* usable.
			* @method _ready
			* @static
			* @private
			*/
			_ready: function(e) {
			var EU = YAHOO.util.Event;
			if (!EU.DOMReady) {
			EU.DOMReady=true;

			// Fire the content ready custom event
			EU.DOMReadyEvent.fire();

			// Remove the DOMContentLoaded (FF/Opera)
			EU._simpleRemove(document, "DOMContentLoaded", EU._ready);
			}
			},

			/**
			* Polling function that runs before the onload event fires,
			* attempting to attach to DOM Nodes as soon as they are
			* available
			* @method _tryPreloadAttach
			* @static
			* @private
			*/
			_tryPreloadAttach: function() {

			if (onAvailStack.length === 0) {
			retryCount = 0;
			if (this._interval) {
			// clearInterval(this._interval);
			this._interval.cancel();
			this._interval = null;
			}
			return;
			}

			if (this.locked) {
			return;
			}

			if (this.isIE) {
			// Hold off if DOMReady has not fired and check current
			// readyState to protect against the IE operation aborted
			// issue.
			if (!this.DOMReady) {
			this.startInterval();
			return;
			}
			}

			this.locked = true;

			// this.logger.debug("tryPreloadAttach");

			// 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;
			if (!tryAgain) {
			tryAgain = (retryCount > 0 && onAvailStack.length > 0);
			}

			// onAvailable
			var notAvail = [];

			var executeItem = function (el, item) {
			var context = el;
			if (item.overrideContext) {
			if (item.overrideContext === true) {
			context = item.obj;
			} else {
			context = item.overrideContext;
			}
			}
			item.fn.call(context, item.obj);
			};

			var i, len, item, el, ready=[];

			// onAvailable onContentReady
			for (i=0, len=onAvailStack.length; i<len; i=i+1) {
			item = onAvailStack[i];
			if (item) {
			el = this.getEl(item.id);
			if (el) {
			if (item.checkReady) {
			if (loadComplete \|\| el.nextSibling \|\| !tryAgain) {
			ready.push(item);
			onAvailStack[i] = null;
			}
			} else {
			executeItem(el, item);
			onAvailStack[i] = null;
			}
			} else {
			notAvail.push(item);
			}
			}
			}

			// make sure onContentReady fires after onAvailable
			for (i=0, len=ready.length; i<len; i=i+1) {
			item = ready[i];
			executeItem(this.getEl(item.id), item);
			}


			retryCount--;

			if (tryAgain) {
			for (i=onAvailStack.length-1; i>-1; i--) {
			item = onAvailStack[i];
			if (!item \|\| !item.id) {
			onAvailStack.splice(i, 1);
			}
			}

			this.startInterval();
			} else {
			if (this._interval) {
			// clearInterval(this._interval);
			this._interval.cancel();
			this._interval = null;
			}
			}

			this.locked = false;

			},

			/**
			* 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} sType optional type of listener to purge. If
			* left out, all listeners will be removed
			* @static
			*/
			purgeElement: function(el, recurse, sType) {
			var oEl = (YAHOO.lang.isString(el)) ? this.getEl(el) : el;
			var elListeners = this.getListeners(oEl, sType), i, len;
			if (elListeners) {
			for (i=elListeners.length-1; i>-1; i--) {
			var l = elListeners[i];
			this.removeListener(oEl, l.type, l.fn);
			}
			}

			if (recurse && oEl && oEl.childNodes) {
			for (i=0,len=oEl.childNodes.length; i<len ; ++i) {
			this.purgeElement(oEl.childNodes[i], recurse, sType);
			}
			}
			},

			/**
			* 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 sType {string} optional type of listener to return. If
			* left out, all listeners will be returned
			* @return {Object} the listener. Contains the following fields:
			*   type: (string) the type of event
			*   fn: (function) the callback supplied to addListener
			*   obj: (object) the custom object supplied to addListener
			*   adjust: (boolean\|object) whether or not to adjust the default context
			*   scope: (boolean) the derived context based on the adjust parameter
			*   index: (int) its position in the Event util listener cache
			* @static
			*/
			getListeners: function(el, sType) {
			var results=[], searchLists;
			if (!sType) {
			searchLists = [listeners, unloadListeners];
			} else if (sType === "unload") {
			searchLists = [unloadListeners];
			} else {
			sType = this._getType(sType);
			searchLists = [listeners];
			}

			var oEl = (YAHOO.lang.isString(el)) ? this.getEl(el) : el;

			for (var j=0;j<searchLists.length; j=j+1) {
			var searchList = searchLists[j];
			if (searchList) {
			for (var i=0,len=searchList.length; i<len ; ++i) {
			var l = searchList[i];
			if ( l && l[this.EL] === oEl &&
			(!sType \|\| sType === l[this.TYPE]) ) {
			results.push({
			type: l[this.TYPE],
			fn: l[this.FN],
			obj: l[this.OBJ],
			adjust: l[this.OVERRIDE],
			scope: l[this.ADJ_SCOPE],
			index: i
			});
			}
			}
			}
			}

			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) {

			var EU = YAHOO.util.Event, i, j, l, len, index,
			ul = unloadListeners.slice(), context;

			// execute and clear stored unload listeners
			for (i=0, len=unloadListeners.length; i<len; ++i) {
			l = ul[i];
			if (l) {
			context = window;
			if (l[EU.ADJ_SCOPE]) {
			if (l[EU.ADJ_SCOPE] === true) {
			context = l[EU.UNLOAD_OBJ];
			} else {
			context = l[EU.ADJ_SCOPE];
			}
			}
			l[EU.FN].call(context, EU.getEvent(e, l[EU.EL]), l[EU.UNLOAD_OBJ] );
			ul[i] = null;
			}
			}

			l = null;
			context = null;
			unloadListeners = null;

			// Remove listeners to handle IE memory leaks
			// 2.5.0 listeners are removed for all browsers again. FireFox preserves
			// at least some listeners between page refreshes, potentially causing
			// errors during page load (mouseover listeners firing before they
			// should if the user moves the mouse at the correct moment).
			if (listeners) {
			for (j=listeners.length-1; j>-1; j--) {
			l = listeners[j];
			if (l) {
			EU.removeListener(l[EU.EL], l[EU.TYPE], l[EU.FN], j);
			}
			}
			l=null;
			}

			EU._simpleRemove(window, "unload", EU._unload);

			},

			/**
			* Returns scrollLeft
			* @method _getScrollLeft
			* @static
			* @private
			*/
			_getScrollLeft: function() {
			return this._getScroll()[1];
			},

			/**
			* Returns scrollTop
			* @method _getScrollTop
			* @static
			* @private
			*/
			_getScrollTop: function() {
			return this._getScroll()[0];
			},

			/**
			* Returns the scrollTop and scrollLeft. Used to calculate the
			* pageX and pageY in Internet Explorer
			* @method _getScroll
			* @static
			* @private
			*/
			_getScroll: function() {
			var dd = document.documentElement, db = document.body;
			if (dd && (dd.scrollTop \|\| dd.scrollLeft)) {
			return [dd.scrollTop, dd.scrollLeft];
			} else if (db) {
			return [db.scrollTop, db.scrollLeft];
			} else {
			return [0, 0];
			}
			},

			/**
			* Used by old versions of CustomEvent, restored for backwards
			* compatibility
			* @method regCE
			* @private
			* @static
			* @deprecated still here for backwards compatibility
			*/
			regCE: function() {},

			/**
			* Adds a DOM event directly without the caching, cleanup, context adj, etc
			*
			* @method _simpleAdd
			* @param {HTMLElement} el the element to bind the handler to
			* @param {string} sType the type of event handler
			* @param {function} fn the callback to invoke
			* @param {boolen} capture capture or bubble phase
			* @static
			* @private
			*/
			_simpleAdd: function () {
			if (window.addEventListener) {
			return function(el, sType, fn, capture) {
			el.addEventListener(sType, fn, (capture));
			};
			} else if (window.attachEvent) {
			return function(el, sType, fn, capture) {
			el.attachEvent("on" + sType, fn);
			};
			} else {
			return function(){};
			}
			}(),

			/**
			* Basic remove listener
			*
			* @method _simpleRemove
			* @param {HTMLElement} el the element to bind the handler to
			* @param {string} sType the type of event handler
			* @param {function} fn the callback to invoke
			* @param {boolen} capture capture or bubble phase
			* @static
			* @private
			*/
			_simpleRemove: function() {
			if (window.removeEventListener) {
			return function (el, sType, fn, capture) {
			el.removeEventListener(sType, fn, (capture));
			};
			} else if (window.detachEvent) {
			return function (el, sType, fn) {
			el.detachEvent("on" + sType, fn);
			};
			} else {
			return function(){};
			}
			}()
			};

			}();

			(function() {
			var EU = YAHOO.util.Event;

			/**
			* YAHOO.util.Event.on is an alias for addListener
			* @method on
			* @see addListener
			* @static
			*/
			EU.on = EU.addListener;

			/**
			* YAHOO.util.Event.onFocus is an alias for addFocusListener
			* @method onFocus
			* @see addFocusListener
			* @static
			* @deprecated use YAHOO.util.Event.on and specify "focusin" as the event type.
			*/
			EU.onFocus = EU.addFocusListener;

			/**
			* YAHOO.util.Event.onBlur is an alias for addBlurListener
			* @method onBlur
			* @see addBlurListener
			* @static
			* @deprecated use YAHOO.util.Event.on and specify "focusout" as the event type.
			*/
			EU.onBlur = EU.addBlurListener;

			/! 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 (EU.isIE) {
			if (self !== self.top) {
			document.onreadystatechange = function() {
			if (document.readyState == 'complete') {
			document.onreadystatechange = null;
			EU._ready();
			}
			};
			} else {

			// Process onAvailable/onContentReady items when the
			// DOM is ready.
			YAHOO.util.Event.onDOMReady(
			YAHOO.util.Event._tryPreloadAttach,
			YAHOO.util.Event, true);

			var n = document.createElement('p');

			EU._dri = setInterval(function() {
			try {
			// throws an error if doc is not ready
			n.doScroll('left');
			clearInterval(EU._dri);
			EU._dri = null;
			EU._ready();
			n = null;
			} catch (ex) {
			}
			}, EU.POLL_INTERVAL);
			}

			// The document's readyState in Safari currently will
			// change to loaded/complete before images are loaded.
			} else if (EU.webkit && EU.webkit < 525) {

			EU._dri = setInterval(function() {
			var rs=document.readyState;
			if ("loaded" == rs \|\| "complete" == rs) {
			clearInterval(EU._dri);
			EU._dri = null;
			EU._ready();
			}
			}, EU.POLL_INTERVAL);

			// FireFox and Opera: These browsers provide a event for this
			// moment. The latest WebKit releases now support this event.
			} else {

			EU._simpleAdd(document, "DOMContentLoaded", EU._ready);

			}
			/////////////////////////////////////////////////////////////


			EU._simpleAdd(window, "load", EU._load);
			EU._simpleAdd(window, "unload", EU._unload);
			EU._tryPreloadAttach();
			})();

			}
			/**
			* EventProvider is designed to be used with YAHOO.augment to wrap
			* CustomEvents in an interface that allows events to be subscribed to
			* and fired by name. This makes it possible for implementing code to
			* subscribe to an event that either has not been created yet, or will
			* not be created at all.
			*
			* @Class EventProvider
			*/
			YAHOO.util.EventProvider = function() { };

			YAHOO.util.EventProvider.prototype = {

			/**
			* Private storage of custom events
			* @property __yui_events
			* @type Object[]
			* @private
			*/
			__yui_events: null,

			/**
			* Private storage of custom event subscribers
			* @property __yui_subscribers
			* @type Object[]
			* @private
			*/
			__yui_subscribers: null,

			/**
			* Subscribe to a CustomEvent by event type
			*
			* @method subscribe
			* @param p_type {string} the type, or name of the event
			* @param p_fn {function} the function to exectute when the event fires
			* @param p_obj {Object} An object to be passed along when the event
			* fires
			* @param overrideContext {boolean} If true, the obj passed in becomes the
			* execution scope of the listener
			*/
			subscribe: function(p_type, p_fn, p_obj, overrideContext) {

			this.__yui_events = this.__yui_events \|\| {};
			var ce = this.__yui_events[p_type];

			if (ce) {
			ce.subscribe(p_fn, p_obj, overrideContext);
			} else {
			this.__yui_subscribers = this.__yui_subscribers \|\| {};
			var subs = this.__yui_subscribers;
			if (!subs[p_type]) {
			subs[p_type] = [];
			}
			subs[p_type].push(
			{ fn: p_fn, obj: p_obj, overrideContext: overrideContext } );
			}
			},

			/**
			* Unsubscribes one or more listeners the from the specified event
			* @method unsubscribe
			* @param p_type {string} The type, or name of the event. If the type
			* is not specified, it will attempt to remove
			* the listener from all hosted events.
			* @param p_fn {Function} The subscribed function to unsubscribe, if not
			* supplied, all subscribers will be removed.
			* @param p_obj {Object} The custom object passed to subscribe. This is
			* optional, but if supplied will be used to
			* disambiguate multiple listeners that are the same
			* (e.g., you subscribe many object using a function
			* that lives on the prototype)
			* @return {boolean} true if the subscriber was found and detached.
			*/
			unsubscribe: function(p_type, p_fn, p_obj) {
			this.__yui_events = this.__yui_events \|\| {};
			var evts = this.__yui_events;
			if (p_type) {
			var ce = evts[p_type];
			if (ce) {
			return ce.unsubscribe(p_fn, p_obj);
			}
			} else {
			var ret = true;
			for (var i in evts) {
			if (YAHOO.lang.hasOwnProperty(evts, i)) {
			ret = ret && evts[i].unsubscribe(p_fn, p_obj);
			}
			}
			return ret;
			}

			return false;
			},

			/**
			* Removes all listeners from the specified event. If the event type
			* is not specified, all listeners from all hosted custom events will
			* be removed.
			* @method unsubscribeAll
			* @param p_type {string} The type, or name of the event
			*/
			unsubscribeAll: function(p_type) {
			return this.unsubscribe(p_type);
			},

			/**
			* Creates a new custom event of the specified type. If a custom event
			* by that name already exists, it will not be re-created. In either
			* case the custom event is returned.
			*
			* @method createEvent
			*
			* @param p_type {string} the type, or name of the event
			* @param p_config {object} optional config params. Valid properties are:
			*
			* <ul>
			* <li>
			* scope: defines the default execution scope. If not defined
			* the default scope will be this instance.
			* </li>
			* <li>
			* silent: if true, the custom event will not generate log messages.
			* This is false by default.
			* </li>
			* <li>
			* fireOnce: if true, the custom event will only notify subscribers
			* once regardless of the number of times the event is fired. In
			* addition, new subscribers will be executed immediately if the
			* event has already fired.
			* This is false by default.
			* </li>
			* <li>
			* onSubscribeCallback: specifies a callback to execute when the
			* event has a new subscriber. This will fire immediately for
			* each queued subscriber if any exist prior to the creation of
			* the event.
			* </li>
			* </ul>
			*
			* @return {CustomEvent} the custom event
			*
			*/
			createEvent: function(p_type, p_config) {

			this.__yui_events = this.__yui_events \|\| {};
			var opts = p_config \|\| {},
			events = this.__yui_events, ce;

			if (events[p_type]) {
			YAHOO.log("EventProvider createEvent skipped: '"+p_type+"' already exists");
			} else {

			ce = new YAHOO.util.CustomEvent(p_type, opts.scope \|\| this, opts.silent,
			YAHOO.util.CustomEvent.FLAT, opts.fireOnce);

			events[p_type] = ce;

			if (opts.onSubscribeCallback) {
			ce.subscribeEvent.subscribe(opts.onSubscribeCallback);
			}

			this.__yui_subscribers = this.__yui_subscribers \|\| {};
			var qs = this.__yui_subscribers[p_type];

			if (qs) {
			for (var i=0; i<qs.length; ++i) {
			ce.subscribe(qs[i].fn, qs[i].obj, qs[i].overrideContext);
			}
			}
			}

			return events[p_type];
			},


			/**
			* Fire a custom event by name. The callback functions will be executed
			* from the scope specified when the event was created, and with the
			* following parameters:
			* <ul>
			* <li>The first argument fire() was executed with</li>
			* <li>The custom object (if any) that was passed into the subscribe()
			* method</li>
			* </ul>
			* @method fireEvent
			* @param p_type {string} the type, or name of the event
			* @param arguments {Object*} an arbitrary set of parameters to pass to
			* the handler.
			* @return {boolean} the return value from CustomEvent.fire
			*
			*/
			fireEvent: function(p_type) {

			this.__yui_events = this.__yui_events \|\| {};
			var ce = this.__yui_events[p_type];

			if (!ce) {
			YAHOO.log(p_type + "event fired before it was created.");
			return null;
			}

			var args = [];
			for (var i=1; i<arguments.length; ++i) {
			args.push(arguments[i]);
			}
			return ce.fire.apply(ce, args);
			},

			/**
			* Returns true if the custom event of the provided type has been created
			* with createEvent.
			* @method hasEvent
			* @param type {string} the type, or name of the event
			*/
			hasEvent: function(type) {
			if (this.__yui_events) {
			if (this.__yui_events[type]) {
			return true;
			}
			}
			return false;
			}

			};

			(function() {

			var Event = YAHOO.util.Event, Lang = YAHOO.lang;

			/**
			* KeyListener is a utility that provides an easy interface for listening for
			* keydown/keyup events fired against DOM elements.
			* @namespace YAHOO.util
			* @class KeyListener
			* @constructor
			* @param {HTMLElement} attachTo The element or element ID to which the key
			* event should be attached
			* @param {String} attachTo The element or element ID to which the key
			* event should be attached
			* @param {Object} keyData The object literal representing the key(s)
			* to detect. Possible attributes are
			* shift(boolean), alt(boolean), ctrl(boolean)
			* and keys(either an int or an array of ints
			* representing keycodes).
			* @param {Function} handler The CustomEvent handler to fire when the
			* key event is detected
			* @param {Object} handler An object literal representing the handler.
			* @param {String} event Optional. The event (keydown or keyup) to
			* listen for. Defaults automatically to keydown.
			*
			* @knownissue the "keypress" event is completely broken in Safari 2.x and below.
			* the workaround is use "keydown" for key listening. However, if
			* it is desired to prevent the default behavior of the keystroke,
			* that can only be done on the keypress event. This makes key
			* handling quite ugly.
			* @knownissue keydown is also broken in Safari 2.x and below for the ESC key.
			* There currently is no workaround other than choosing another
			* key to listen for.
			*/
			YAHOO.util.KeyListener = function(attachTo, keyData, handler, event) {
			if (!attachTo) {
			YAHOO.log("No attachTo element specified", "error");
			} else if (!keyData) {
			YAHOO.log("No keyData specified", "error");
			} else if (!handler) {
			YAHOO.log("No handler specified", "error");
			}

			if (!event) {
			event = YAHOO.util.KeyListener.KEYDOWN;
			}

			/**
			* The CustomEvent fired internally when a key is pressed
			* @event keyEvent
			* @private
			* @param {Object} keyData The object literal representing the key(s) to
			* detect. Possible attributes are shift(boolean),
			* alt(boolean), ctrl(boolean) and keys(either an
			* int or an array of ints representing keycodes).
			*/
			var keyEvent = new YAHOO.util.CustomEvent("keyPressed");

			/**
			* The CustomEvent fired when the KeyListener is enabled via the enable()
			* function
			* @event enabledEvent
			* @param {Object} keyData The object literal representing the key(s) to
			* detect. Possible attributes are shift(boolean),
			* alt(boolean), ctrl(boolean) and keys(either an
			* int or an array of ints representing keycodes).
			*/
			this.enabledEvent = new YAHOO.util.CustomEvent("enabled");

			/**
			* The CustomEvent fired when the KeyListener is disabled via the
			* disable() function
			* @event disabledEvent
			* @param {Object} keyData The object literal representing the key(s) to
			* detect. Possible attributes are shift(boolean),
			* alt(boolean), ctrl(boolean) and keys(either an
			* int or an array of ints representing keycodes).
			*/
			this.disabledEvent = new YAHOO.util.CustomEvent("disabled");

			if (Lang.isString(attachTo)) {
			attachTo = document.getElementById(attachTo); // No Dom util
			}

			if (Lang.isFunction(handler)) {
			keyEvent.subscribe(handler);
			} else {
			keyEvent.subscribe(handler.fn, handler.scope, handler.correctScope);
			}

			/**
			* Handles the key event when a key is pressed.
			* @method handleKeyPress
			* @param {DOMEvent} e The keypress DOM event
			* @param {Object} obj The DOM event scope object
			* @private
			*/
			function handleKeyPress(e, obj) {
			if (! keyData.shift) {
			keyData.shift = false;
			}
			if (! keyData.alt) {
			keyData.alt = false;
			}
			if (! keyData.ctrl) {
			keyData.ctrl = false;
			}

			// check held down modifying keys first
			if (e.shiftKey == keyData.shift &&
			e.altKey == keyData.alt &&
			e.ctrlKey == keyData.ctrl) { // if we pass this, all modifiers match

			var dataItem, keys = keyData.keys, key;

			if (YAHOO.lang.isArray(keys)) {
			for (var i=0;i<keys.length;i++) {
			dataItem = keys[i];
			key = Event.getCharCode(e);

			if (dataItem == key) {
			keyEvent.fire(key, e);
			break;
			}
			}
			} else {
			key = Event.getCharCode(e);
			if (keys == key ) {
			keyEvent.fire(key, e);
			}
			}
			}
			}

			/**
			* Enables the KeyListener by attaching the DOM event listeners to the
			* target DOM element
			* @method enable
			*/
			this.enable = function() {
			if (! this.enabled) {
			Event.on(attachTo, event, handleKeyPress);
			this.enabledEvent.fire(keyData);
			}
			/**
			* Boolean indicating the enabled/disabled state of the Tooltip
			* @property enabled
			* @type Boolean
			*/
			this.enabled = true;
			};

			/**
			* Disables the KeyListener by removing the DOM event listeners from the
			* target DOM element
			* @method disable
			*/
			this.disable = function() {
			if (this.enabled) {
			Event.removeListener(attachTo, event, handleKeyPress);
			this.disabledEvent.fire(keyData);
			}
			this.enabled = false;
			};

			/**
			* Returns a String representation of the object.
			* @method toString
			* @return {String} The string representation of the KeyListener
			*/
			this.toString = function() {
			return "KeyListener [" + keyData.keys + "] " + attachTo.tagName +
			(attachTo.id ? "[" + attachTo.id + "]" : "");
			};

			};

			var KeyListener = YAHOO.util.KeyListener;

			/**
			* Constant representing the DOM "keydown" event.
			* @property YAHOO.util.KeyListener.KEYDOWN
			* @static
			* @final
			* @type String
			*/
			KeyListener.KEYDOWN = "keydown";

			/**
			* Constant representing the DOM "keyup" event.
			* @property YAHOO.util.KeyListener.KEYUP
			* @static
			* @final
			* @type String
			*/
			KeyListener.KEYUP = "keyup";

			/**
			* keycode constants for a subset of the special keys
			* @property KEY
			* @static
			* @final
			*/
			KeyListener.KEY = {
			ALT : 18,
			BACK_SPACE : 8,
			CAPS_LOCK : 20,
			CONTROL : 17,
			DELETE : 46,
			DOWN : 40,
			END : 35,
			ENTER : 13,
			ESCAPE : 27,
			HOME : 36,
			LEFT : 37,
			META : 224,
			NUM_LOCK : 144,
			PAGE_DOWN : 34,
			PAGE_UP : 33,
			PAUSE : 19,
			PRINTSCREEN : 44,
			RIGHT : 39,
			SCROLL_LOCK : 145,
			SHIFT : 16,
			SPACE : 32,
			TAB : 9,
			UP : 38
			};

			})();
			YAHOO.register("event", YAHOO.util.Event, {version: "2.8.2r1", build: "7"});

shrine-medco/shrine-webclient/src/main/html/js-ext/yui/build/event/event-debug.js43ea50b774acrelease/1.22.0

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shrine-medco/shrine-webclient/src/main/html/js-ext/yui/build/event/event-debug.js
43ea50b774acrelease/1.22.0

event-debug.js
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