container_core-debug.js

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            }
        
            // Need to get everything into the DOM if it isn't already
        
            if (this.header && ! Dom.inDocument(this.header)) {

                /*
                    There is a header, but it's not in the DOM yet... 
                    need to add it
                */

                firstChild = moduleElement.firstChild;

                if (firstChild) { // Insert before first child if exists

                    moduleElement.insertBefore(this.header, firstChild);

                } else { // Append to empty body because there are no children

                    moduleElement.appendChild(this.header);

                }

            }
        
            if (this.body && ! Dom.inDocument(this.body)) {

                /*
                     There is a body, but it's not in the DOM yet... 
                     need to add it
                */


                // Insert before footer if exists in DOM

                if (this.footer && Dom.isAncestor(
                    this.moduleElement, this.footer)) { 

                    moduleElement.insertBefore(this.body, this.footer);

                } else { // Append to element because there is no footer

                    moduleElement.appendChild(this.body);

                }

            }
        
            if (this.footer && ! Dom.inDocument(this.footer)) {

                /*
                     There is a footer, but it's not in the DOM yet... 
                     need to add it
                */

                moduleElement.appendChild(this.footer);

            }
        
            this.renderEvent.fire();
            return true;
        },
        
        /**
        * Removes the Module element from the DOM and sets all child elements 
        * to null.
        * @method destroy
        */
        destroy: function () {
        
            var parent,
                e;
        
            if (this.element) {
                Event.purgeElement(this.element, true);
                parent = this.element.parentNode;
            }

            if (parent) {
                parent.removeChild(this.element);
            }
        
            this.element = null;
            this.header = null;
            this.body = null;
            this.footer = null;

            Module.textResizeEvent.unsubscribe(this.onDomResize, this);

            this.cfg.destroy();
            this.cfg = null;

            this.destroyEvent.fire();
        
            for (e in this) {
                if (e instanceof CustomEvent) {
                    e.unsubscribeAll();
                }
            }

        },
        
        /**
        * Shows the Module element by setting the visible configuration 
        * property to true. Also fires two events: beforeShowEvent prior to 
        * the visibility change, and showEvent after.
        * @method show
        */
        show: function () {
            this.cfg.setProperty("visible", true);
        },
        
        /**
        * Hides the Module element by setting the visible configuration 
        * property to false. Also fires two events: beforeHideEvent prior to 
        * the visibility change, and hideEvent after.
        * @method hide
        */
        hide: function () {
            this.cfg.setProperty("visible", false);
        },
        
        // BUILT-IN EVENT HANDLERS FOR MODULE //
        
        /**
        * Default event handler for changing the visibility property of a 
        * Module. By default, this is achieved by switching the "display" style 
        * between "block" and "none".
        * This method is responsible for firing showEvent and hideEvent.
        * @param {String} type The CustomEvent type (usually the property name)
        * @param {Object[]} args The CustomEvent arguments. For configuration 
        * handlers, args[0] will equal the newly applied value for the property.
        * @param {Object} obj The scope object. For configuration handlers, 
        * this will usually equal the owner.
        * @method configVisible
        */
        configVisible: function (type, args, obj) {
            var visible = args[0];
            if (visible) {
                this.beforeShowEvent.fire();
                Dom.setStyle(this.element, "display", "block");
                this.showEvent.fire();
            } else {
                this.beforeHideEvent.fire();
                Dom.setStyle(this.element, "display", "none");
                this.hideEvent.fire();
            }
        },
        
        /**
        * Default event handler for the "monitorresize" configuration property
        * @param {String} type The CustomEvent type (usually the property name)
        * @param {Object[]} args The CustomEvent arguments. For configuration 
        * handlers, args[0] will equal the newly applied value for the property.
        * @param {Object} obj The scope object. For configuration handlers, 
        * this will usually equal the owner.
        * @method configMonitorResize
        */
        configMonitorResize: function (type, args, obj) {

            var monitor = args[0];

            if (monitor) {

                this.initResizeMonitor();

            } else {

                Module.textResizeEvent.unsubscribe(
                    this.onDomResize, this, true);

                this.resizeMonitor = null;
            }

        },
        
        /**
        * Returns a String representation of the Object.
        * @method toString
        * @return {String} The string representation of the Module
        */
        toString: function () {
            return "Module " + this.id;
        }
        
    };
    
    YAHOO.lang.augmentProto(Module, YAHOO.util.EventProvider);

}());
(function () {

    /**
    * Overlay is a Module that is absolutely positioned above the page flow. It 
    * has convenience methods for positioning and sizing, as well as options for 
    * controlling zIndex and constraining the Overlay's position to the current 
    * visible viewport. Overlay also contains a dynamicly generated IFRAME which 
    * is placed beneath it for Internet Explorer 6 and 5.x so that it will be 
    * properly rendered above SELECT elements.
    * @namespace YAHOO.widget
    * @class Overlay
    * @extends Module
    * @param {String} el The element ID representing the Overlay <em>OR</em>
    * @param {HTMLElement} el The element representing the Overlay
    * @param {Object} userConfig The configuration object literal containing 
    * the configuration that should be set for this Overlay. See configuration 
    * documentation for more details.
    * @constructor
    */
    YAHOO.widget.Overlay = function (el, userConfig) {
    
        YAHOO.widget.Overlay.superclass.constructor.call(this, el, userConfig);
    
    };


    var Lang = YAHOO.lang,
        CustomEvent = YAHOO.util.CustomEvent,
        Module = YAHOO.widget.Module,
        Event = YAHOO.util.Event,
        Dom = YAHOO.util.Dom,
        Config = YAHOO.util.Config,
        Overlay = YAHOO.widget.Overlay,
        
        m_oIFrameTemplate,

        /**
        * Constant representing the name of the Overlay's events
        * @property EVENT_TYPES
        * @private
        * @final
        * @type Object
        */
        EVENT_TYPES = {
        
            "BEFORE_MOVE": "beforeMove",
            "MOVE": "move"
        
        },
        
        /**
        * Constant representing the Overlay's configuration properties
        * @property DEFAULT_CONFIG
        * @private
        * @final
        * @type Object
        */
        DEFAULT_CONFIG = {
        
            "X": { 
                key: "x", 
                validator: Lang.isNumber, 
                suppressEvent: true, 
                supercedes: ["iframe"] 
            },
        
            "Y": { 
                key: "y", 
                validator: Lang.isNumber, 
                suppressEvent: true, 
                supercedes: ["iframe"] 
            },
        
            "XY": { 
                key: "xy", 
                suppressEvent: true, 
                supercedes: ["iframe"] 
            },
        
            "CONTEXT": { 
                key: "context", 
                suppressEvent: true, 
                supercedes: ["iframe"] 
            },
        
            "FIXED_CENTER": { 
                key: "fixedcenter", 
                value: false, 
                validator: Lang.isBoolean, 
                supercedes: ["iframe", "visible"] 
            },
        
            "WIDTH": { 
                key: "width", 
                suppressEvent: true, 
                supercedes: ["context", "fixedcenter", "iframe"] 
            }, 
        
            "HEIGHT": { 
                key: "height", 
                suppressEvent: true, 
                supercedes: ["context", "fixedcenter", "iframe"] 
            }, 
        
            "ZINDEX": { 
                key: "zindex", 
                value: null 
            }, 
        
            "CONSTRAIN_TO_VIEWPORT": { 
                key: "constraintoviewport", 
                value: false, 
                validator: Lang.isBoolean, 
                supercedes: ["iframe", "x", "y", "xy"] 
            }, 
        
            "IFRAME": { 
                key: "iframe", 
                value: (YAHOO.env.ua.ie == 6 ? true : false), 
                validator: Lang.isBoolean, 
                supercedes: ["zindex"] 
            }
        
        };


    /**
    * The URL that will be placed in the iframe
    * @property YAHOO.widget.Overlay.IFRAME_SRC
    * @static
    * @final
    * @type String
    */
    Overlay.IFRAME_SRC = "javascript:false;";

    /**
    * Number representing how much the iframe shim should be offset from each 
    * side of an Overlay instance.
    * @property YAHOO.widget.Overlay.IFRAME_SRC
    * @default 3
    * @static
    * @final
    * @type Number
    */
    Overlay.IFRAME_OFFSET = 3;
    
    /**
    * Constant representing the top left corner of an element, used for 
    * configuring the context element alignment
    * @property YAHOO.widget.Overlay.TOP_LEFT
    * @static
    * @final
    * @type String
    */
    Overlay.TOP_LEFT = "tl";
    
    /**
    * Constant representing the top right corner of an element, used for 
    * configuring the context element alignment
    * @property YAHOO.widget.Overlay.TOP_RIGHT
    * @static
    * @final
    * @type String
    */
    Overlay.TOP_RIGHT = "tr";
    
    /**
    * Constant representing the top bottom left corner of an element, used for 
    * configuring the context element alignment
    * @property YAHOO.widget.Overlay.BOTTOM_LEFT
    * @static
    * @final
    * @type String
    */
    Overlay.BOTTOM_LEFT = "bl";
    
    /**
    * Constant representing the bottom right corner of an element, used for 
    * configuring the context element alignment
    * @property YAHOO.widget.Overlay.BOTTOM_RIGHT
    * @static
    * @final
    * @type String
    */
    Overlay.BOTTOM_RIGHT = "br";
    
    /**
    * Constant representing the default CSS class used for an Overlay
    * @property YAHOO.widget.Overlay.CSS_OVERLAY
    * @static
    * @final
    * @type String
    */
    Overlay.CSS_OVERLAY = "yui-overlay";
    
    
    /**
    * A singleton CustomEvent used for reacting to the DOM event for 
    * window scroll
    * @event YAHOO.widget.Overlay.windowScrollEvent
    */
    Overlay.windowScrollEvent = new CustomEvent("windowScroll");
    
    /**
    * A singleton CustomEvent used for reacting to the DOM event for
    * window resize
    * @event YAHOO.widget.Overlay.windowResizeEvent
    */
    Overlay.windowResizeEvent = new CustomEvent("windowResize");
    
    /**
    * The DOM event handler used to fire the CustomEvent for window scroll
    * @method YAHOO.widget.Overlay.windowScrollHandler
    * @static
    * @param {DOMEvent} e The DOM scroll event
    */
    Overlay.windowScrollHandler = function (e) {
    
        if (YAHOO.env.ua.ie) {
    
            if (! window.scrollEnd) {
    
                window.scrollEnd = -1;
    
            }
    
            clearTimeout(window.scrollEnd);
    
            window.scrollEnd = setTimeout(function () { 
            
                Overlay.windowScrollEvent.fire(); 
    
            }, 1);
    
        } else {
    
            Overlay.windowScrollEvent.fire();