# Panel.js

    /**
     * @class Ext.Panel
     * @extends Ext.Container
     * Panel is a container that has specific functionality and structural components that make it the perfect building
     * block for application-oriented user interfaces. The Panel contains bottom and top toolbars, along with separate
     * header, footer and body sections.  It also provides built-in expandable and collapsible behavior, along with a
     * variety of prebuilt tool buttons that can be wired up to provide other customized behavior.  Panels can be easily
     * dropped into any Container or layout, and the layout and rendering pipeline is completely managed by the framework.
     * @constructor
     * @param {Object} config The config object
     */
    Ext.Panel = Ext.extend(Ext.Container, {
        /**
         * The Panel's header {@link Ext.Element Element}. Read-only.
         * <p>This Element is used to house the {@link #title} and {@link #tools}</p>
         * @type Ext.Element
         * @property header
         */
    // holder
    /***
         * The Panel's body {@link Ext.Element Element} which may be used to contain HTML content.
         * The content may be specified in the {@link #html} config, or it may be loaded using the
         * {@link autoLoad} config, or through the Panel's {@link #getUpdater Updater}. Read-only.
         * <p>If this is used to load visible HTML elements in either way, then
         * the Panel may not be used as a Layout for hosting nested Panels.</p>
         * <p>If this Panel is intended to be used as the host of a Layout (See {@link #layout}
         * then the body Element must not be loaded or changed - it is under the control
         * of the Panel's Layout.
         * @type Ext.Element
         * @property body
         */
    // holder
    /***
         * @cfg {Object} bodyCfg
         * <p>A {@link Ext.DomHelper DomHelper} configuration object specifying the element structure
         * of this Panel's {@link #body} Element.</p>
         * <p>This may be used to force the body Element to use a different form of markup than
         * is created automatically. An example of this might be to create a child Panel containing
         * custom content, such as a header, or forcing centering of all Panel
         * content by having the body be a &lt;center&gt; element:</p><code><pre>
    new Ext.Panel({
        title: 'New Message',
        collapsible: true,
        renderTo: Ext.getBody(),
        width: 400,
        bodyCfg: {
            tag: 'center',
            cls: 'x-panel-body'
        },
        items: [{
            border: false,
            header: false,
            bodyCfg: {tag: 'h2', html: 'Message'}
        }, {
            xtype: 'textarea',
            style: {
                width: '95%',
                marginBottom: '10px'
            }
        },
            new Ext.Button({
                text: 'Send',
                minWidth: '100',
                style: {
                    marginBottom: '10px'
                }
            })
        ]
    });</pre></code>
         */
    // holder
    /***
         * @cfg {Object} headerCfg
         * <p>A {@link Ext.DomHelper DomHelper} configuration object specifying the element structure
         * of this Panel's {@link #header} Element.</p>
         */
    // holder
    /***
         * @cfg {Object} footerCfg
         * <p>A {@link Ext.DomHelper DomHelper} configuration object specifying the element structure
         * of this Panel's {@link #footer} Element.</p>
         */
    // holder
    /***
         * The Panel's footer {@link Ext.Element Element}. Read-only.
         * <p>This Element is used to house the Panel's {@link #buttons}.</p>
         * @type Ext.Element
         * @property footer
         */
    // holder
    /***
         * @cfg {Mixed} applyTo
         * The id of the node, a DOM node or an existing Element corresponding to a DIV that is already present in
         * the document that specifies some panel-specific structural markup.  When applyTo is used, constituent parts of
         * the panel can be specified by CSS class name within the main element, and the panel will automatically create those
         * components from that markup. Any required components not specified in the markup will be autogenerated if necessary.
         * The following class names are supported (baseCls will be replaced by {@link #baseCls}):
         * <ul><li>baseCls + '-header'</li>
         * <li>baseCls + '-header-text'</li>
         * <li>baseCls + '-bwrap'</li>
         * <li>baseCls + '-tbar'</li>
         * <li>baseCls + '-body'</li>
         * <li>baseCls + '-bbar'</li>
         * <li>baseCls + '-footer'</li></ul>
         * Using this config, a call to render() is not required.  If applyTo is specified, any value passed for
         * {@link #renderTo} will be ignored and the target element's parent node will automatically be used as the panel's container.
         */
    // holder
    /***
         * @cfg {Object/Array} tbar
         * <p>The top toolbar of the panel. This can be either an {@link Ext.Toolbar} object or an array of
         * buttons/button configs to be added to the toolbar.  Note that this is not available as a property after render.
         * To access the top toolbar after render, use {@link #getTopToolbar}.</p>
         * <p><b>Note:</b> Although a Toolbar may contain Field components, these will <b>not<b> be updated by a load
         * of an ancestor FormPanel. A Panel's toolbars are not part of the standard Container->Component hierarchy, and
         * so are not scanned to collect form items. Hoverver, the values <b>will</b> be submitted because form
         * submission parameters are collected from the DOM tree.</p>
         */
    // holder
    /***
         * @cfg {Object/Array} bbar
         * <p>The bottom toolbar of the panel. This can be either an {@link Ext.Toolbar} object or an array of
         * buttons/button configs to be added to the toolbar.  Note that this is not available as a property after render.
         * To access the bottom toolbar after render, use {@link #getBottomToolbar}.</p>
         * <p><b>Note:</b> Although a Toolbar may contain Field components, these will <b>not<b> be updated by a load
         * of an ancestor FormPanel. A Panel's toolbars are not part of the standard Container->Component hierarchy, and
         * so are not scanned to collect form items. Hoverver, the values <b>will</b> be submitted because form
         * submission parameters are collected from the DOM tree.</p>
         */
    // holder
    /***
         * @cfg {Boolean} header
         * True to create the Panel's header element explicitly, false to skip creating it.  By default, when header is not
         * specified, if a {@link #title} is set the header will be created automatically, otherwise it will not.  If
         * a title is set but header is explicitly set to false, the header will not be rendered.
         */
    // holder
    /***
         * @cfg {Boolean} footer
         * True to create the footer element explicitly, false to skip creating it.  By default, when footer is not
         * specified, if one or more buttons have been added to the panel the footer will be created automatically,
         * otherwise it will not.
         */
    // holder
    /***
         * @cfg {String} title
         * The title text to display in the panel header (defaults to '').  When a title is specified the header
         * element will automatically be created and displayed unless {@link #header} is explicitly set to false.  If
         * you don't want to specify a title at config time, but you may want one later, you must either specify a
         * non-empty title (a blank space ' ' will do) or header:true so that the container element will get created.
         */
    // holder
    /***
         * @cfg {Array} buttons
         * An array of {@link Ext.Button}s or {@link Ext.Button} configs used to add buttons to the footer of this panel.
         */
    // holder
    /***
         * @cfg {Object/String/Function} autoLoad
         * A valid url spec according to the Updater {@link Ext.Updater#update} method.
         * If autoLoad is not null, the panel will attempt to load its contents
         * immediately upon render.<p>
         * The URL will become the default URL for this panel's {@link #body} element,
         * so it may be {@link Ext.Element#refresh refresh}ed at any time.</p>
         */
    // holder
    /***
         * @cfg {Boolean} frame
         * True to render the panel with custom rounded borders, false to render with plain 1px square borders (defaults to false).
         */
    // holder
    /***
         * @cfg {Boolean} border
         * True to display the borders of the panel's body element, false to hide them (defaults to true).  By default,
         * the border is a 2px wide inset border, but this can be further altered by setting {@link #bodyBorder} to false.
         */
    // holder
    /***
         * @cfg {Boolean} bodyBorder
         * True to display an interior border on the body element of the panel, false to hide it (defaults to true).
         * This only applies when {@link #border} == true.  If border == true and bodyBorder == false, the border will display
         * as a 1px wide inset border, giving the entire body element an inset appearance.
         */
    // holder
    /***
         * @cfg {String/Object/Function} bodyStyle
         * Custom CSS styles to be applied to the body element in the format expected by {@link Ext.Element#applyStyles}
         * (defaults to null).
         */
    // holder
    /***
         * @cfg {String} iconCls
         * A CSS class that will provide a background image to be used as the header icon (defaults to '').  An example
         * custom icon class would be something like: .my-icon { background: url(../images/my-icon.gif) 0 6px no-repeat !important;}
         */
    // holder
    /***
         * @cfg {Boolean} collapsible
         * True to make the panel collapsible and have the expand/collapse toggle button automatically rendered into
         * the header tool button area, false to keep the panel statically sized with no button (defaults to false).
         */
    // holder
    /***
         * @cfg {Array} tools
         * An array of tool button configs to be added to the header tool area. When rendered, each tool is
         * stored as an {@link Ext.Element Element} referenced by a public property called <tt><b></b>tools.<i>&lt;tool-type&gt;</i></tt>
         * <p>Each tool config may contain the following properties:
         * <div class="mdetail-params"><ul>
         * <li><b>id</b> : String<div class="sub-desc"><b>Required.</b> The type
         * of tool to create. By default, this assigns a CSS class of the form <tt>x-tool-<i>&lt;tool-type&gt;</i></tt> to the
         * resulting tool Element. Ext provides CSS rules, and an icon sprite containing images for the tool types listed below.
         * The developer may implement custom tools by supplying alternate CSS rules and background images:<ul>
         * <li><tt>toggle</tt> (Created by default when {@link #collapsible} is <tt>true</tt>)</li>
         * <li><tt>close</tt></li>
         * <li><tt>minimize</tt></li>
         * <li><tt>maximize</tt></li>
         * <li><tt>restore</tt></li>
         * <li><tt>gear</tt></li>
         * <li><tt>pin</tt></li>
         * <li><tt>unpin</tt></li>
         * <li><tt>right</tt></li>
         * <li><tt>left</tt></li>
         * <li><tt>up</tt></li>
         * <li><tt>down</tt></li>
         * <li><tt>refresh</tt></li>
         * <li><tt>minus</tt></li>
         * <li><tt>plus</tt></li>
         * <li><tt>help</tt></li>
         * <li><tt>search</tt></li>
         * <li><tt>save</tt></li>
         * <li><tt>print</tt></li>
         * </ul></div></li>
         * <li><b>handler</b> : Function<div class="sub-desc"><b>Required.</b> The function to
         * call when clicked. Arguments passed are:<ul>
         * <li><b>event</b> : Ext.EventObject<div class="sub-desc">The click event.</div></li>
         * <li><b>toolEl</b> : Ext.Element<div class="sub-desc">The tool Element.</div></li>
         * <li><b>Panel</b> : Ext.Panel<div class="sub-desc">The host Panel</div></li>
         * </ul></div></li>
         * <li><b>scope</b> : Object<div class="sub-desc">The scope in which to call the handler.</div></li>
         * <li><b>qtip</b> : String/Object<div class="sub-desc">A tip string, or
         * a config argument to {@link Ext.QuickTip#register}</div></li>
         * <li><b>hidden</b> : Boolean<div class="sub-desc">True to initially render hidden.</div></li>
         * <li><b>on</b> : Object<div class="sub-desc">A listener config object specifiying
         * event listeners in the format of an argument to {@link #addListener}</div></li>
         * </ul></div>
         * Example usage:
         * <pre><code>
    tools:[{
        id:'refresh',
        qtip: 'Refresh form Data',
        // hidden:true,
        handler: function(event, toolEl, panel){
            // refresh logic
        }
    }]
    </code></pre>
         * Note that apart from the toggle tool which is provided when a panel is
         * collapsible, these tools only provide the visual button. Any required
         * functionality must be provided by adding handlers that implement the
         * necessary behavior.
         */
    // holder
    /***
         * @cfg {Ext.Template/Ext.XTemplate} toolTemplate
         * @type {Ext.Template/Ext.XTemplate}
         * <p>A Template used to create tools in the {@link #header} Element. Defaults to:</p><pre><code>
    new Ext.Template('&lt;div class="x-tool x-tool-{id}">&amp;#160;&lt;/div>')</code></pre>
         * <p>This may may be overridden to provide a custom DOM structure for tools based upon a more
         * complex XTemplate. The template's data is a single tool configuration object (Not the entire Array)
         * as specified in {@link #tools} Example:</p><pre><code>
    var win = new Ext.Window({
        tools: [{
            id: 'download',
            href: '/MyPdfDoc.pdf'
        }],
        toolTemplate: new Ext.XTemplate(
            '&lt;tpl if="id==\'download\'">',
                '&lt;a class="x-tool x-tool-pdf" href="{href}">&lt;/a>',
            '&lt;/tpl>',
            '&lt;tpl if="id!=\'download\'">',
                '&lt;div class="x-tool x-tool-{id}">&amp;#160;&lt;/div>',
            '&lt;/tpl>'
        ),
        width:500,
        height:300,
        closeAction:'hide'
    });</code></pre>
         * <p>Note that the CSS class "x-tool-pdf" should have an associated style rule which provides an appropriate background image.</p>
         */
    // holder
    /***
         * @cfg {Boolean} hideCollapseTool
         * True to hide the expand/collapse toggle button when {@link #collapsible} = true, false to display it (defaults to false).
         */
    // holder
    /***
         * @cfg {Boolean} titleCollapse
         * True to allow expanding and collapsing the panel (when {@link #collapsible} = true) by clicking anywhere in the
         * header bar, false to allow it only by clicking to tool button (defaults to false).
         */
    // holder
    /***
         * @cfg {Boolean} autoScroll
         * True to use overflow:'auto' on the panel's body element and show scroll bars automatically when necessary,
         * false to clip any overflowing content (defaults to false).
         */
    // holder
    /***
         * @cfg {Boolean} floating
         * <p>True to float this Panel (absolute position it with automatic shimming and shadow), false to display it inline
         * where it is rendered (defaults to false).</p>
         * <p>Setting floating to true will create an {@link Ext.Layer} encapsulating this Panel's Element and
         * display the Panel at negative offsets so that it is hidden. The position must be set explicitly after render
         * (e.g., myPanel.setPosition(100,100);).</p>
         * <p>When floating a panel you should always assign a fixed width, otherwise it will be auto width and will expand
         * to fill to the right edge of the viewport.</p>
         * <p>This property may also be specified as an object to be used as the configuration object for
         * the {@link Ext.Layer} that will be created.
         */
    // holder
    /***
         * @cfg {Boolean/String} shadow
         * True (or a valid Ext.Shadow {@link Ext.Shadow#mode} value) to display a shadow behind the panel, false to
         * display no shadow (defaults to 'sides').  Note that this option only applies when floating = true.
         */
    // holder
    /***
         * @cfg {Number} shadowOffset
         * The number of pixels to offset the shadow if displayed (defaults to 4). Note that this option only applies
         * when floating = true.
         */
    // holder
    /***
         * @cfg {Boolean} shim
         * False to disable the iframe shim in browsers which need one (defaults to true).  Note that this option
         * only applies when floating = true.
         */
    // holder
    /***
         * @cfg {String/Object} html
         * An HTML fragment, or a {@link Ext.DomHelper DomHelper} specification to use
         * as the panel's body content (defaults to ''). The HTML content is added by the Panel's
         * afterRender method, and so the document will not contain this HTML at the time the render
         * event is fired. This content is inserted into the body <i>before</i> any configured
         * {@link #contentEl} is appended.
         */
    // holder
    /***
         * @cfg {String} contentEl
         * The id of an existing HTML node to use as the panel's body content (defaults to ''). The
         * specified Element is appended to the Panel's body Element by the Panel's afterRender method
         * <i>after any configured {@link #html HTML} has been inserted</i>, and so the document will
         * not contain this HTML at the time the render event is fired.
         */
    // holder
    /***
         * @cfg {Object/Array} keys
         * A KeyMap config object (in the format expected by {@link Ext.KeyMap#addBinding} used to assign custom key
         * handling to this panel (defaults to null).
         */
    // holder
    /***
           * @cfg {Boolean} draggable
           * <p>True to enable dragging of this Panel (defaults to false).</p>
           * <p>For custom drag/drop implementations, an Ext.Panel.DD
           * config could also be passed in this config instead of true. Ext.Panel.DD is an internal,
           * undocumented class which moves a proxy Element around in place of the Panel's element, but
           * provides no other behaviour during dragging or on drop. It is a subclass of
           * {@link Ext.dd.DragSource}, so behaviour may be added by implementing the interface methods
           * of {@link Ext.dd.DragDrop} eg:
           * <pre><code>
    new Ext.Panel({
        title: 'Drag me',
        x: 100,
        y: 100,
        renderTo: Ext.getBody(),
        floating: true,
        frame: true,
        width: 400,
        height: 200,
        draggable: {
    //      Config option of Ext.Panel.DD class.
    //      It's a floating Panel, so do not show a placeholder proxy in the original position.
            insertProxy: false,

    //      Called for each mousemove event while dragging the DD object.
            onDrag : function(e){
    //          Record the x,y position of the drag proxy so that we can
    //          position the Panel at end of drag.
                var pel = this.proxy.getEl();
                this.x = pel.getLeft(true);
                this.y = pel.getTop(true);

    //          Keep the Shadow aligned if there is one.
                var s = this.panel.getEl().shadow;
                if (s) {
                    s.realign(this.x, this.y, pel.getWidth(), pel.getHeight());
                }
            },

    //      Called on the mouseup event.
            endDrag : function(e){
                this.panel.setPosition(this.x, this.y);
            }
        }
    }).show();
    </code></pre>
         */
    // holder
    /***
           * @cfg {String} tabTip
           * Adds a tooltip when mousing over the tab of a Ext.Panel which is an item of a Ext.TabPanel. Ext.QuickTips.init()
           * must be called in order for the tips to render.
         */
    // holder
    /***
         * @cfg {Boolean} disabled
         * Render this panel disabled (default is false). An important note when using the disabled config on panels is
         * that IE will often fail to initialize the disabled mask element correectly if the panel's layout has not yet
         * completed by the time the Panel is disabled during the render process. If you experience this issue, you may
         * need to instead use the {@link afterlayout} event to initialize the disabled state:
         * <pre><code>
    new Ext.Panel({
        ...
        listeners: {
            'afterlayout': {
                fn: function(p){
                    p.disable();
                },
                single: true // important, as many layouts can occur
            }
        }
    });
    </code></pre>
         */
    // holder
    /***
         * @cfg {Boolean} autoHeight
         * True to use height:'auto', false to use fixed height (defaults to false). <b>Note</b>: Setting autoHeight:true
         * means that the browser will manage the panel's height based on its contents, and that Ext will not manage it at
         * all. If the panel is within a layout that manages dimensions (fit, border, etc.) then setting autoHeight:true
         * can cause issues with scrolling and will not generally work as expected since the panel will take on the height
         * of its contents rather than the height required by the Ext layout.
         */
    // holder
    /***
        * @cfg {String} baseCls
        * The base CSS class to apply to this panel's element (defaults to 'x-panel').
        */
        baseCls : 'x-panel',
        /**
        * @cfg {String} collapsedCls
        * A CSS class to add to the panel's element after it has been collapsed (defaults to 'x-panel-collapsed').
        */
        collapsedCls : 'x-panel-collapsed',
        /**
        * @cfg {Boolean} maskDisabled
        * True to mask the panel when it is disabled, false to not mask it (defaults to true).  Either way, the panel
        * will always tell its contained elements to disable themselves when it is disabled, but masking the panel
        * can provide an additional visual cue that the panel is disabled.
        */
        maskDisabled: true,
        /**
        * @cfg {Boolean} animCollapse
        * True to animate the transition when the panel is collapsed, false to skip the animation (defaults to true
        * if the {@link Ext.Fx} class is available, otherwise false).
        */
        animCollapse: Ext.enableFx,
        /**
        * @cfg {Boolean} headerAsText
        * True to display the panel title in the header, false to hide it (defaults to true).
        */
        headerAsText: true,
        /**
        * @cfg {String} buttonAlign
        * The alignment of any buttons added to this panel.  Valid values are 'right,' 'left' and 'center' (defaults to 'right').
        */
        buttonAlign: 'right',
        /**
         * @cfg {Boolean} collapsed
         * True to render the panel collapsed, false to render it expanded (defaults to false).
         */
        collapsed : false,
        /**
        * @cfg {Boolean} collapseFirst
        * True to make sure the collapse/expand toggle button always renders first (to the left of) any other tools
        * in the panel's title bar, false to render it last (defaults to true).
        */
        collapseFirst: true,
        /**
         * @cfg {Number} minButtonWidth
         * Minimum width in pixels of all buttons in this panel (defaults to 75)
         */
        minButtonWidth:75,
        /**
         * @cfg {String} elements
         * A comma-delimited list of panel elements to initialize when the panel is rendered.  Normally, this list will be
         * generated automatically based on the items added to the panel at config time, but sometimes it might be useful to
         * make sure a structural element is rendered even if not specified at config time (for example, you may want
         * to add a button or toolbar dynamically after the panel has been rendered).  Adding those elements to this
         * list will allocate the required placeholders in the panel when it is rendered.  Valid values are<ul>
         * <li><b>header</b></li>
         * <li><b>tbar</b> (top bar)</li>
         * <li><b>body</b> (required)</li>
         * <li><b>bbar</b> (bottom bar)</li>
         * <li><b>footer</b><li>
         * </ul>
         * Defaults to 'body'.
         */
        elements : 'body',

        // protected - these could be used to customize the behavior of the window,
        // but changing them would not be useful without further mofifications and
        // could lead to unexpected or undesirable results.
        toolTarget : 'header',
        collapseEl : 'bwrap',
        slideAnchor : 't',
        disabledClass: '',

        // private, notify box this class will handle heights
        deferHeight: true,
        // private
        expandDefaults: {
            duration:.25
        },
        // private
        collapseDefaults: {
            duration:.25
        },

        // private
        initComponent : function(){
            Ext.Panel.superclass.initComponent.call(this);

            this.addEvents(
                /**
                 * @event bodyresize
                 * Fires after the Panel has been resized.
                 * @param {Ext.Panel} p the Panel which has been resized.
                 * @param {Number} width The Panel's new width.
                 * @param {Number} height The Panel's new height.
                 */
                'bodyresize',
                /**
                 * @event titlechange
                 * Fires after the Panel title has been set or changed.
                 * @param {Ext.Panel} p the Panel which has had its title changed.
                 * @param {String} The new title.
                 */
                'titlechange',
                /**
                 * @event iconchange
                 * Fires after the Panel icon class has been set or changed.
                 * @param {Ext.Panel} p the Panel which has had its icon class changed.
                 * @param {String} The new icon class.
                 * @param {String} The old icon class.
                 */
                'iconchange',
                /**
                 * @event collapse
                 * Fires after the Panel has been collapsed.
                 * @param {Ext.Panel} p the Panel that has been collapsed.
                 */
                'collapse',
                /**
                 * @event expand
                 * Fires after the Panel has been expanded.
                 * @param {Ext.Panel} p The Panel that has been expanded.
                 */
                'expand',
                /**
                 * @event beforecollapse
                 * Fires before the Panel is collapsed.  A handler can return false to cancel the collapse.
                 * @param {Ext.Panel} p the Panel being collapsed.
                 * @param {Boolean} animate True if the collapse is animated, else false.
                 */
                'beforecollapse',
                /**
                 * @event beforeexpand
                 * Fires before the Panel is expanded.  A handler can return false to cancel the expand.
                 * @param {Ext.Panel} p The Panel being expanded.
                 * @param {Boolean} animate True if the expand is animated, else false.
                 */
                'beforeexpand',
                /**
                 * @event beforeclose
                 * Fires before the Panel is closed.  Note that Panels do not directly support being closed, but some
                 * Panel subclasses do (like {@link Ext.Window}).  This event only applies to such subclasses.
                 * A handler can return false to cancel the close.
                 * @param {Ext.Panel} p The Panel being closed.
                 */
                'beforeclose',
                /**
                 * @event close
                 * Fires after the Panel is closed.  Note that Panels do not directly support being closed, but some
                 * Panel subclasses do (like {@link Ext.Window}).
                 * @param {Ext.Panel} p The Panel that has been closed.
                 */
                'close',
                /**
                 * @event activate
                 * Fires after the Panel has been visually activated.
                 * Note that Panels do not directly support being activated, but some Panel subclasses
                 * do (like {@link Ext.Window}). Panels which are child Components of a TabPanel fire the
                 * activate and deactivate events under the control of the TabPanel.
                 * @param {Ext.Panel} p The Panel that has been activated.
                 */
                'activate',
                /**
                 * @event deactivate
                 * Fires after the Panel has been visually deactivated.
                 * Note that Panels do not directly support being deactivated, but some Panel subclasses
                 * do (like {@link Ext.Window}). Panels which are child Components of a TabPanel fire the
                 * activate and deactivate events under the control of the TabPanel.
                 * @param {Ext.Panel} p The Panel that has been deactivated.
                 */
                'deactivate'
            );

            // shortcuts
            if(this.tbar){
                this.elements += ',tbar';
                if(typeof this.tbar == 'object'){
                    this.topToolbar = this.tbar;
                }
                delete this.tbar;
            }
            if(this.bbar){
                this.elements += ',bbar';
                if(typeof this.bbar == 'object'){
                    this.bottomToolbar = this.bbar;
                }
                delete this.bbar;
            }

            if(this.header === true){
                this.elements += ',header';
                delete this.header;
            }else if(this.headerCfg || (this.title && this.header !== false)){
                this.elements += ',header';
            }

            if(this.footerCfg || this.footer === true){
                this.elements += ',footer';
                delete this.footer;
            }

            if(this.buttons){
                var btns = this.buttons;
                /**
                 * This Panel's Array of buttons as created from the <tt>buttons</tt>
                 * config property. Read only.
                 * @type Array
                 * @property buttons
                 */
                this.buttons = [];
                for(var i = 0, len = btns.length; i < len; i++) {
                    if(btns[i].render){ // button instance
                        btns[i].ownerCt = this;
                        this.buttons.push(btns[i]);
                    }else{
                        this.addButton(btns[i]);
                    }
                }
            }
            if(this.autoLoad){
                this.on('render', this.doAutoLoad, this, {delay:10});
            }
        },

        // private
        createElement : function(name, pnode){
            if(this[name]){
                pnode.appendChild(this[name].dom);
                return;
            }

            if(name === 'bwrap' || this.elements.indexOf(name) != -1){
                if(this[name+'Cfg']){
                    this[name] = Ext.fly(pnode).createChild(this[name+'Cfg']);
                }else{
                    var el = document.createElement('div');
                    el.className = this[name+'Cls'];
                    this[name] = Ext.get(pnode.appendChild(el));
                }
                if(this[name+'CssClass']){
                    this[name].addClass(this[name+'CssClass']);
                }
                if(this[name+'Style']){
                    this[name].applyStyles(this[name+'Style']);
                }
            }
        },

        // private
        onRender : function(ct, position){
            Ext.Panel.superclass.onRender.call(this, ct, position);

            this.createClasses();

            if(this.el){ // existing markup
                this.el.addClass(this.baseCls);
                this.header = this.el.down('.'+this.headerCls);
                this.bwrap = this.el.down('.'+this.bwrapCls);
                var cp = this.bwrap ? this.bwrap : this.el;
                this.tbar = cp.down('.'+this.tbarCls);
                this.body = cp.down('.'+this.bodyCls);
                this.bbar = cp.down('.'+this.bbarCls);
                this.footer = cp.down('.'+this.footerCls);
                this.fromMarkup = true;
            }else{
                this.el = ct.createChild({
                    id: this.id,
                    cls: this.baseCls
                }, position);
            }
            var el = this.el, d = el.dom;

            if(this.cls){
                this.el.addClass(this.cls);
            }

            if(this.buttons){
                this.elements += ',footer';
            }

            // This block allows for maximum flexibility and performance when using existing markup

            // framing requires special markup
            if(this.frame){
                el.insertHtml('afterBegin', String.format(Ext.Element.boxMarkup, this.baseCls));

                this.createElement('header', d.firstChild.firstChild.firstChild);
                this.createElement('bwrap', d);

                // append the mid and bottom frame to the bwrap
                var bw = this.bwrap.dom;
                var ml = d.childNodes[1], bl = d.childNodes[2];
                bw.appendChild(ml);
                bw.appendChild(bl);

                var mc = bw.firstChild.firstChild.firstChild;
                this.createElement('tbar', mc);
                this.createElement('body', mc);
                this.createElement('bbar', mc);
                this.createElement('footer', bw.lastChild.firstChild.firstChild);

                if(!this.footer){
                    this.bwrap.dom.lastChild.className += ' x-panel-nofooter';
                }
            }else{
                this.createElement('header', d);
                this.createElement('bwrap', d);

                // append the mid and bottom frame to the bwrap
                var bw = this.bwrap.dom;
                this.createElement('tbar', bw);
                this.createElement('body', bw);
                this.createElement('bbar', bw);
                this.createElement('footer', bw);

                if(!this.header){
                    this.body.addClass(this.bodyCls + '-noheader');
                    if(this.tbar){
                        this.tbar.addClass(this.tbarCls + '-noheader');
                    }
                }
            }

            if(this.border === false){
                this.el.addClass(this.baseCls + '-noborder');
                this.body.addClass(this.bodyCls + '-noborder');
                if(this.header){
                    this.header.addClass(this.headerCls + '-noborder');
                }
                if(this.footer){
                    this.footer.addClass(this.footerCls + '-noborder');
                }
                if(this.tbar){
                    this.tbar.addClass(this.tbarCls + '-noborder');
                }
                if(this.bbar){
                    this.bbar.addClass(this.bbarCls + '-noborder');
                }
            }

            if(this.bodyBorder === false){
               this.body.addClass(this.bodyCls + '-noborder');
            }

            this.bwrap.enableDisplayMode('block');

            if(this.header){
                this.header.unselectable();

                // for tools, we need to wrap any existing header markup
                if(this.headerAsText){
                    this.header.dom.innerHTML =
                        '<span class="' + this.headerTextCls + '">'+this.header.dom.innerHTML+'</span>';

                    if(this.iconCls){
                        this.setIconClass(this.iconCls);
                    }
                }
            }

            if(this.floating){
                this.makeFloating(this.floating);
            }

            if(this.collapsible){
                this.tools = this.tools ? this.tools.slice(0) : [];
                if(!this.hideCollapseTool){
                    this.tools[this.collapseFirst?'unshift':'push']({
                        id: 'toggle',
                        handler : this.toggleCollapse,
                        scope: this
                    });
                }
                if(this.titleCollapse && this.header){
                    this.header.on('click', this.toggleCollapse, this);
                    this.header.setStyle('cursor', 'pointer');
                }
            }
            if(this.tools){
                var ts = this.tools;
                this.tools = {};
                this.addTool.apply(this, ts);
            }else{
                this.tools = {};
            }

            if(this.buttons && this.buttons.length > 0){
                // tables are required to maintain order and for correct IE layout
                var tb = this.footer.createChild({cls:'x-panel-btns-ct', cn: {
                    cls:"x-panel-btns x-panel-btns-"+this.buttonAlign,
                    html:'<table cellspacing="0"><tbody><tr></tr></tbody></table><div class="x-clear"></div>'
                }}, null, true);
                var tr = tb.getElementsByTagName('tr')[0];
                for(var i = 0, len = this.buttons.length; i < len; i++) {
                    var b = this.buttons[i];
                    var td = document.createElement('td');
                    td.className = 'x-panel-btn-td';
                    b.render(tr.appendChild(td));
                }
            }

            if(this.tbar && this.topToolbar){
                if(Ext.isArray(this.topToolbar)){
                    this.topToolbar = new Ext.Toolbar(this.topToolbar);
                }
                this.topToolbar.render(this.tbar);
                this.topToolbar.ownerCt = this;
            }
            if(this.bbar && this.bottomToolbar){
                if(Ext.isArray(this.bottomToolbar)){
                    this.bottomToolbar = new Ext.Toolbar(this.bottomToolbar);
                }
                this.bottomToolbar.render(this.bbar);
                this.bottomToolbar.ownerCt = this;
            }
        },

        /**
         * Sets the CSS class that provides the icon image for this panel.  This method will replace any existing
         * icon class if one has already been set.
         * @param {String} cls The new CSS class name
         */
        setIconClass : function(cls){
            var old = this.iconCls;
            this.iconCls = cls;
            if(this.rendered && this.header){
                if(this.frame){
                    this.header.addClass('x-panel-icon');
                    this.header.replaceClass(old, this.iconCls);
                }else{
                    var hd = this.header,
                        img = hd.child('img.x-panel-inline-icon');
                    if(img){
                        Ext.fly(img).replaceClass(old, this.iconCls);
                    }else{
                        Ext.DomHelper.insertBefore(hd.dom.firstChild, {
                            tag:'img', src: Ext.BLANK_IMAGE_URL, cls:'x-panel-inline-icon '+this.iconCls
                        });
                     }
                }
            }
            this.fireEvent('iconchange', this, cls, old);
        },

        // private
        makeFloating : function(cfg){
            this.floating = true;
            this.el = new Ext.Layer(
                typeof cfg == 'object' ? cfg : {
                    shadow: this.shadow !== undefined ? this.shadow : 'sides',
                    shadowOffset: this.shadowOffset,
                    constrain:false,
                    shim: this.shim === false ? false : undefined
                }, this.el
            );
        },

        /**
         * Returns the toolbar from the top (tbar) section of the panel.
         * @return {Ext.Toolbar} The toolbar
         */
        getTopToolbar : function(){
            return this.topToolbar;
        },

        /**
         * Returns the toolbar from the bottom (bbar) section of the panel.
         * @return {Ext.Toolbar} The toolbar
         */
        getBottomToolbar : function(){
            return this.bottomToolbar;
        },

        /**
         * Adds a button to this panel.  Note that this method must be called prior to rendering.  The preferred
         * approach is to add buttons via the {@link #buttons} config.
         * @param {String/Object} config A valid {@link Ext.Button} config.  A string will become the text for a default
         * button config, an object will be treated as a button config object.
         * @param {Function} handler The function to be called on button {@link Ext.Button#click}
         * @param {Object} scope The scope to use for the button handler function
         * @return {Ext.Button} The button that was added
         */
        addButton : function(config, handler, scope){
            var bc = {
                handler: handler,
                scope: scope,
                minWidth: this.minButtonWidth,
                hideParent:true
            };
            if(typeof config == "string"){
                bc.text = config;
            }else{
                Ext.apply(bc, config);
            }
            var btn = new Ext.Button(bc);
            btn.ownerCt = this;
            if(!this.buttons){
                this.buttons = [];
            }
            this.buttons.push(btn);
            return btn;
        },

        // private
        addTool : function(){
            if(!this[this.toolTarget]) { // no where to render tools!
                return;
            }
            if(!this.toolTemplate){
                // initialize the global tool template on first use
                var tt = new Ext.Template(
                     '<div class="x-tool x-tool-{id}">&#160;</div>'
                );
                tt.disableFormats = true;
                tt.compile();
                Ext.Panel.prototype.toolTemplate = tt;
            }
            for(var i = 0, a = arguments, len = a.length; i < len; i++) {
                var tc = a[i];
                if(!this.tools[tc.id]){
                    var overCls = 'x-tool-'+tc.id+'-over';
                    var t = this.toolTemplate.insertFirst((tc.align !== 'left') ? this[this.toolTarget] : this[this.toolTarget].child('span'), tc, true);
                    this.tools[tc.id] = t;
                    t.enableDisplayMode('block');
                    t.on('click', this.createToolHandler(t, tc, overCls, this));
                    if(tc.on){
                        t.on(tc.on);
                    }
                    if(tc.hidden){
                        t.hide();
                    }
                    if(tc.qtip){
                        if(typeof tc.qtip == 'object'){
                            Ext.QuickTips.register(Ext.apply({
                                  target: t.id
                            }, tc.qtip));
                        } else {
                            t.dom.qtip = tc.qtip;
                        }
                    }
                    t.addClassOnOver(overCls);
                }
            }
        },

        // private
        onShow : function(){
            if(this.floating){
                return this.el.show();
            }
            Ext.Panel.superclass.onShow.call(this);
        },

        // private
        onHide : function(){
            if(this.floating){
                return this.el.hide();
            }
            Ext.Panel.superclass.onHide.call(this);
        },

        // private
        createToolHandler : function(t, tc, overCls, panel){
            return function(e){
                t.removeClass(overCls);
                e.stopEvent();
                if(tc.handler){
                    tc.handler.call(tc.scope || t, e, t, panel);
                }
            };
        },

        // private
        afterRender : function(){
            if(this.fromMarkup && this.height === undefined && !this.autoHeight){
                this.height = this.el.getHeight();
            }
            if(this.floating && !this.hidden && !this.initHidden){
                this.el.show();
            }
            if(this.title){
                this.setTitle(this.title);
            }
            this.setAutoScroll();
            if(this.html){
                this.body.update(typeof this.html == 'object' ?
                                 Ext.DomHelper.markup(this.html) :
                                 this.html);
                delete this.html;
            }
            if(this.contentEl){
                var ce = Ext.getDom(this.contentEl);
                Ext.fly(ce).removeClass(['x-hidden', 'x-hide-display']);
                this.body.dom.appendChild(ce);
            }
            if(this.collapsed){
                this.collapsed = false;
                this.collapse(false);
            }
            Ext.Panel.superclass.afterRender.call(this); // do sizing calcs last
            this.initEvents();
        },

        // private
        setAutoScroll : function(){
            if(this.rendered && this.autoScroll){
                var el = this.body || this.el;
                if(el){
                    el.setOverflow('auto');
                }
            }
        },

        // private
        getKeyMap : function(){
            if(!this.keyMap){
                this.keyMap = new Ext.KeyMap(this.el, this.keys);
            }
            return this.keyMap;
        },

        // private
        initEvents : function(){
            if(this.keys){
                this.getKeyMap();
            }
            if(this.draggable){
                this.initDraggable();
            }
        },

        // private
        initDraggable : function(){
            /**
             * <p>If this Panel is configured {@link #draggable}, this property will contain
             * an instance of {@link Ext.dd.DragSource} which handles dragging the Panel.</p>
             * The developer must provide implementations of the abstract methods of {@link Ext.dd.DragSource}
             * in order to supply behaviour for each stage of the drag/drop process. See {@link #draggable}.
             * @type Ext.dd.DragSource.
             * @property dd
             */
            this.dd = new Ext.Panel.DD(this, typeof this.draggable == 'boolean' ? null : this.draggable);
        },

        // private
        beforeEffect : function(){
            if(this.floating){
                this.el.beforeAction();
            }
            this.el.addClass('x-panel-animated');
        },

        // private
        afterEffect : function(){
            this.syncShadow();
            this.el.removeClass('x-panel-animated');
        },

        // private - wraps up an animation param with internal callbacks
        createEffect : function(a, cb, scope){
            var o = {
                scope:scope,
                block:true
            };
            if(a === true){
                o.callback = cb;
                return o;
            }else if(!a.callback){
                o.callback = cb;
            }else { // wrap it up
                o.callback = function(){
                    cb.call(scope);
                    Ext.callback(a.callback, a.scope);
                };
            }
            return Ext.applyIf(o, a);
        },

        /**
         * Collapses the panel body so that it becomes hidden.  Fires the {@link #beforecollapse} event which will
         * cancel the collapse action if it returns false.
         * @param {Boolean} animate True to animate the transition, else false (defaults to the value of the
         * {@link #animCollapse} panel config)
         * @return {Ext.Panel} this
         */
        collapse : function(animate){
            if(this.collapsed || this.el.hasFxBlock() || this.fireEvent('beforecollapse', this, animate) === false){
                return;
            }
            var doAnim = animate === true || (animate !== false && this.animCollapse);
            this.beforeEffect();
            this.onCollapse(doAnim, animate);
            return this;
        },

        // private
        onCollapse : function(doAnim, animArg){
            if(doAnim){
                this[this.collapseEl].slideOut(this.slideAnchor,
                        Ext.apply(this.createEffect(animArg||true, this.afterCollapse, this),
                            this.collapseDefaults));
            }else{
                this[this.collapseEl].hide();
                this.afterCollapse();
            }
        },

        // private
        afterCollapse : function(){
            this.collapsed = true;
            this.el.addClass(this.collapsedCls);
            this.afterEffect();
            this.fireEvent('collapse', this);
        },

        /**
         * Expands the panel body so that it becomes visible.  Fires the {@link #beforeexpand} event which will
         * cancel the expand action if it returns false.
         * @param {Boolean} animate True to animate the transition, else false (defaults to the value of the
         * {@link #animCollapse} panel config)
         * @return {Ext.Panel} this
         */
        expand : function(animate){
            if(!this.collapsed || this.el.hasFxBlock() || this.fireEvent('beforeexpand', this, animate) === false){
                return;
            }
            var doAnim = animate === true || (animate !== false && this.animCollapse);
            this.el.removeClass(this.collapsedCls);
            this.beforeEffect();
            this.onExpand(doAnim, animate);
            return this;
        },

        // private
        onExpand : function(doAnim, animArg){
            if(doAnim){
                this[this.collapseEl].slideIn(this.slideAnchor,
                        Ext.apply(this.createEffect(animArg||true, this.afterExpand, this),
                            this.expandDefaults));
            }else{
                this[this.collapseEl].show();
                this.afterExpand();
            }
        },

        // private
        afterExpand : function(){
            this.collapsed = false;
            this.afterEffect();
            this.fireEvent('expand', this);
        },

        /**
         * Shortcut for performing an {@link #expand} or {@link #collapse} based on the current state of the panel.
         * @param {Boolean} animate True to animate the transition, else false (defaults to the value of the
         * {@link #animCollapse} panel config)
         * @return {Ext.Panel} this
         */
        toggleCollapse : function(animate){
            this[this.collapsed ? 'expand' : 'collapse'](animate);
            return this;
        },

        // private
        onDisable : function(){
            if(this.rendered && this.maskDisabled){
                this.el.mask();
            }
            Ext.Panel.superclass.onDisable.call(this);
        },

        // private
        onEnable : function(){
            if(this.rendered && this.maskDisabled){
                this.el.unmask();
            }
            Ext.Panel.superclass.onEnable.call(this);
        },

        // private
        onResize : function(w, h){
            if(w !== undefined || h !== undefined){
                if(!this.collapsed){
                    if(typeof w == 'number'){
                        this.body.setWidth(
                                this.adjustBodyWidth(w - this.getFrameWidth()));
                    }else if(w == 'auto'){
                        this.body.setWidth(w);
                    }

                    if(typeof h == 'number'){
                        this.body.setHeight(
                                this.adjustBodyHeight(h - this.getFrameHeight()));
                    }else if(h == 'auto'){
                        this.body.setHeight(h);
                    }

                    if(this.disabled && this.el._mask){
                        this.el._mask.setSize(this.el.dom.clientWidth, this.el.getHeight());
                    }
                }else{
                    this.queuedBodySize = {width: w, height: h};
                    if(!this.queuedExpand && this.allowQueuedExpand !== false){
                        this.queuedExpand = true;
                        this.on('expand', function(){
                            delete this.queuedExpand;
                            this.onResize(this.queuedBodySize.width, this.queuedBodySize.height);
                            this.doLayout();
                        }, this, {single:true});
                    }
                }
                this.fireEvent('bodyresize', this, w, h);
            }
            this.syncShadow();
        },

        // private
        adjustBodyHeight : function(h){
            return h;
        },

        // private
        adjustBodyWidth : function(w){
            return w;
        },

        // private
        onPosition : function(){
            this.syncShadow();
        },

        /**
         * Returns the width in pixels of the framing elements of this panel (not including the body width).  To
         * retrieve the body width see {@link #getInnerWidth}.
         * @return {Number} The frame width
         */
        getFrameWidth : function(){
            var w = this.el.getFrameWidth('lr');

            if(this.frame){
                var l = this.bwrap.dom.firstChild;
                w += (Ext.fly(l).getFrameWidth('l') + Ext.fly(l.firstChild).getFrameWidth('r'));
                var mc = this.bwrap.dom.firstChild.firstChild.firstChild;
                w += Ext.fly(mc).getFrameWidth('lr');
            }
            return w;
        },

        /**
         * Returns the height in pixels of the framing elements of this panel (including any top and bottom bars and
         * header and footer elements, but not including the body height).  To retrieve the body height see {@link #getInnerHeight}.
         * @return {Number} The frame height
         */
        getFrameHeight : function(){
            var h  = this.el.getFrameWidth('tb');
            h += (this.tbar ? this.tbar.getHeight() : 0) +
                 (this.bbar ? this.bbar.getHeight() : 0);

            if(this.frame){
                var hd = this.el.dom.firstChild;
                var ft = this.bwrap.dom.lastChild;
                h += (hd.offsetHeight + ft.offsetHeight);
                var mc = this.bwrap.dom.firstChild.firstChild.firstChild;
                h += Ext.fly(mc).getFrameWidth('tb');
            }else{
                h += (this.header ? this.header.getHeight() : 0) +
                    (this.footer ? this.footer.getHeight() : 0);
            }
            return h;
        },

        /**
         * Returns the width in pixels of the body element (not including the width of any framing elements).
         * For the frame width see {@link #getFrameWidth}.
         * @return {Number} The body width
         */
        getInnerWidth : function(){
            return this.getSize().width - this.getFrameWidth();
        },

        /**
         * Returns the height in pixels of the body element (not including the height of any framing elements).
         * For the frame height see {@link #getFrameHeight}.
         * @return {Number} The body height
         */
        getInnerHeight : function(){
            return this.getSize().height - this.getFrameHeight();
        },

        // private
        syncShadow : function(){
            if(this.floating){
                this.el.sync(true);
            }
        },

        // private
        getLayoutTarget : function(){
            return this.body;
        },

        /**
         * <p>Sets the title text for the panel and optionally the icon class.</p>
         * <p>In order to be able to set the title, a header element must have been created
         * for the Panel. This is triggered either by configuring the Panel with a non-blank title,
         * or configuring it with <tt><b>{@link #header}: true</b></tt>.</p>
         * @param {String} title The title text to set
         * @param {String} iconCls (optional) iconCls A user-defined CSS class that provides the icon image for this panel
         */
        setTitle : function(title, iconCls){
            this.title = title;
            if(this.header && this.headerAsText){
                this.header.child('span').update(title);
            }
            if(iconCls){
                this.setIconClass(iconCls);
            }
            this.fireEvent('titlechange', this, title);
            return this;
        },

        /**
         * Get the {@link Ext.Updater} for this panel. Enables you to perform Ajax updates of this panel's body.
         * @return {Ext.Updater} The Updater
         */
        getUpdater : function(){
            return this.body.getUpdater();
        },

         /**
         * Loads this content panel immediately with content returned from an XHR call.
         * @param {Object/String/Function} config A config object containing any of the following options:
    <pre><code>
    panel.load({
        url: "your-url.php",
        params: {param1: "foo", param2: "bar"}, // or a URL encoded string
        callback: yourFunction,
        scope: yourObject, // optional scope for the callback
        discardUrl: false,
        nocache: false,
        text: "Loading...",
        timeout: 30,
        scripts: false
    });
    </code></pre>
         * The only required property is url. The optional properties nocache, text and scripts
         * are shorthand for disableCaching, indicatorText and loadScripts and are used to set their
         * associated property on this panel Updater instance.
         * @return {Ext.Panel} this
         */
        load : function(){
            var um = this.body.getUpdater();
            um.update.apply(um, arguments);
            return this;
        },

        // private
        beforeDestroy : function(){
            if(this.header){
                this.header.removeAllListeners();
                if(this.headerAsText){
                    Ext.Element.uncache(this.header.child('span'));
                }
            }
            Ext.Element.uncache(
                this.header,
                this.tbar,
                this.bbar,
                this.footer,
                this.body,
                this.bwrap
            );
            if(this.tools){
                for(var k in this.tools){
                    Ext.destroy(this.tools[k]);
                }
            }
            if(this.buttons){
                for(var b in this.buttons){
                    Ext.destroy(this.buttons[b]);
                }
            }
            Ext.destroy(
                this.topToolbar,
                this.bottomToolbar
            );
            Ext.Panel.superclass.beforeDestroy.call(this);
        },

        // private
        createClasses : function(){
            this.headerCls = this.baseCls + '-header';
            this.headerTextCls = this.baseCls + '-header-text';
            this.bwrapCls = this.baseCls + '-bwrap';
            this.tbarCls = this.baseCls + '-tbar';
            this.bodyCls = this.baseCls + '-body';
            this.bbarCls = this.baseCls + '-bbar';
            this.footerCls = this.baseCls + '-footer';
        },

        // private
        createGhost : function(cls, useShim, appendTo){
            var el = document.createElement('div');
            el.className = 'x-panel-ghost ' + (cls ? cls : '');
            if(this.header){
                el.appendChild(this.el.dom.firstChild.cloneNode(true));
            }
            Ext.fly(el.appendChild(document.createElement('ul'))).setHeight(this.bwrap.getHeight());
            el.style.width = this.el.dom.offsetWidth + 'px';;
            if(!appendTo){
                this.container.dom.appendChild(el);
            }else{
                Ext.getDom(appendTo).appendChild(el);
            }
            if(useShim !== false && this.el.useShim !== false){
                var layer = new Ext.Layer({shadow:false, useDisplay:true, constrain:false}, el);
                layer.show();
                return layer;
            }else{
                return new Ext.Element(el);
            }
        },

        // private
        doAutoLoad : function(){
            var u = this.body.getUpdater();
            if(this.renderer){
                u.setRenderer(this.renderer);
            }
            u.update(typeof this.autoLoad == 'object' ? this.autoLoad : {url: this.autoLoad});
        },

        /**
         * Retrieve a tool by id.
         * @param {String} id
         * @return {Object} tool
         */
        getTool: function(id) {
            return this.tools[id];
        }

    /**
     * @cfg {String} autoEl @hide
     */
    });
    Ext.reg('panel', Ext.Panel);

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