XUL Document
Accessible through the global document object. Most of the createX methods, are not implemented in Mozilla for XUL documents.
Properties and Methods: addBinding, characterSet, commandDispatcher, createAttribute, createAttributeNS, createCDATASection, createComment, createDocumentFragment, createElement, createElementNS, createEntityReference, createProcessingInstruction, createRange, createTextNode, defaultView, doctype, documentElement, getAnonymousElementByAttribute, getAnonymousNodes, getBindingParent, getElementById, getElementsByAttribute, height, implementation, importNode, loadBindingDocument, persist, popupNode, removeBinding, tooltipNode, width

Node
A generic DOM node. The properties and methods described below are supported by all elements. All properties, except prefix, are read only.
Properties and Methods: appendChild, attributes, childNodes, cloneNode, firstChild, hasChildNodes, insertBefore, lastChild, nextSibling, nodeName, nodeType, nodeValue, normalize, ownerDocument, parentNode, previousSibling, removeChild, replaceChild, supports

Element
A generic element. This is the type of all HTML and XML elements as defined by the DOM.
Properties and Methods: getAttribute, getAttributeNS, getAttributeNode, getAttributeNodeNS, getElementsByTagName, getElementsByTagNameNS, hasAttribute, hasAttributeNS, removeAttribute, removeAttributeNS, removeAttributeNode, setAttribute, setAttributeNS, setAttributeNode, setAttributeNodeNS, tagName

XUL Element
A XUL element. The following lists attribute and properties common to all XUL elements. Some only have any meaning in particular situations such as when placed inside a template or overlay.
Attributes: align, allowevents, allownegativeassertions, class, coalesceduplicatearcs, collapsed, container, containment, contextMenu, datasources, debug, dir, empty, equalsize, flags, flex, flexgroup, height, hidden, id, insertafter, insertbefore, left, maxheight, maxwidth, menu, minheight, minwidth, observes, ordinal, orient, pack, position, ref, removeelement, statustext, style, template, tooltip, tooltiptext, top, uri, width
Properties and Methods: addBroadcastListener, align, allowEvents, boxObject, builder, className, collapsed, contextMenu, controllers, database, dir, flex, flexgroup, getElementsByAttribute, height, hidden, id, maxHeight, maxWidth, menu, minHeight, minWidth, observes, ordinal, orient, pack, removeBroadcastListener, resource, statusText, style, tooltip, tooltipText, width

box
A container element which can contain any number of child elements. If the box has an orient attribute that is set to horizontal, the child elements are laid out from left to right in the order that they appear in the box. If orient is set to vertical, the child elements are laid out from top to bottom. Child elements do not overlap. The default orientation is horizontal.

hbox
A container element which can contain any number of child elements. This is equivalent to the box element.

vbox
A container element which can contain any number of child elements. This is equivalent to the box element, except it defaults to vertical orientation.

stack
An element that renders its children on top of each other. The first element if placed on the bottom, and each successive child is place above the previous one. All elements are displayed at once.

deck
An element that displays only one of its children at a time. The index attribute determines which child is displayed.
Attributes: index

bulletinboard
A layout element which allows its children to be placed at absolute pixel coordinates. The child elements should have left and top attributes to specify positions. Later child elements will appear above earlier ones.

scrollbox
A box with scrollbars that can be used to scroll the content inside it. It can be used when content is too large to fit in a window.

arrowscrollbox
A box which provides scroll arrows along its edges for scolling through the contents of the box. The user only needs to hover the mouse over the arrows to scroll the box. The element is typically used for large popup menus.

autorepeatbutton
Used to create the arrow buttons on an arrowscrollbox.

grid
A grid is an element that contains both rows and columns elements. It is used to create a grid of elements. Both the rows and columns are displayed at once although only one will typically contain content, while the other may provide size information. Whichever is last in the grid is displayed on top.

columns
Defines the columns of a grid. Each child of a columns element should be a column element.

column
A single column in a columns element. Each child of the column element is placed in each successive cell of the grid. The column with the most child elements determines the number of rows in each column.

rows
Defines the rows of a grid. Each child of a rows element should be a row element.

row
A single row in a rows element. Each child of the row element is placed in each successive cell of the grid. The row with the most child elements determines the number of columns in each row.

tree
A container which can be used to hold a tabular or hierarchical set of rows of elements. The tree may contain any number of rows and any number of columns. Each row of the tree may contain child rows which are displayed indented from the parent. The contents of a tree are most commonly generated from an RDF datasource.
Attributes: multiple
Properties and Methods: addItemToSelection, clearItemSelection, ensureElementIsVisible, ensureIndexIsVisible, getIndexOfFirstVisibleRow, getIndexOfItem, getItemAtIndex, getNextItem, getNumberOfVisibleRows, getPreviousItem, getRowCount, removeItemFromSelection, scrollToIndex, selectItem, selectedIndex, selectedItems, toggleItemSelection

treehead
A treehead defines the header row of the tree. It is much like the treerow element and should contain treecell elements.

treecolgroup
A group of treecol elements.

treecol
A column of a tree. It does not contain any displayable content but is used to hold the size and other information about the column.

treechildren
A element that defines a set of treeitem elements. It is used when multiple children of a displayed row are necessary.

treeitem
A treeitem should be placed inside a treechildren element and should contain treerow elements. The treeitem can be clicked by the user to select the row of the tree. The treeitem contains a single row and all of what appear to the user as that row's descendants.
Attributes: container, open, selected
Properties and Methods: close, open, toggleOpenState

treerow
A single row in a tree. It should be placed inside a treeitem element. Children of the treerow should be treecell elements. If child rows are necessary, they should be placed in a treechildren element inside the parent treeitem.

treecell
A single cell in a tree. This element should be placed inside a treerow. The treecell is a type of box and can contain any content.

outliner
The outliner displays tabular text data. It is a simpler version of the tree but can handle larger numbers of rows more efficiently. The outliner should contain one or more outlinercol elements, and one outlinerbody elements. You can also place splitter elements between the columns to allow column resizing.
Attributes: seltype
Properties and Methods: currentIndex

outlinercol
Describes a column within an outliner. Each outlinercol element is used for each successive column.
Attributes: cycler, hidden, primary, sort, sortActive, sortDirection

outlinerbody
The outlinerbody is where the outliner content is placed. There should be one and only one outlinerbody inside an outliner. A scroll bar is added to the body as needed.
Attributes: onselect

outlinerrow
The outlinerrow is used for template-built outliners, to represent the template for the rows that are generated. In the full rule syntax, the outlinerrow element should be used in the rule conditions instead of the content element.
Attributes: properties, uri

outlinercell
The outlinerrow is used for template-built outliners, to represent the template for the cells that are generated.
Attributes: label, properties, ref

iframe
An inner frame that works much the HTML iframe element. The src attribute can be used to specify the content of the frame. This content is a separate document. The children of the iframe are ignored.

browser
An iframe which is expected to contain a read-only view of a Web document.
Properties and Methods: browserShell

editor
An iframe which is expected to contain an editable Web document.
Properties and Methods: editorShell

button
A button that can be pressed by the user. Event handlers can be used to trap mouse, keyboard and other events. It is typically rendered as a grey outset rectangle.
Attributes: accesskey, command, crop, dir, disabled, image, label, orient, tabindex, type
Properties and Methods: accesskey, blur, command, controllers, crop, dir, doCommand, focus, image, label, orient, type

checkbox
An element that can be turned on and off. This is most commonly rendered as a box when the element is off and a box with a check when the element is on. The user can switch the state of the check box by selecting it with the mouse. A label, specified with the label attribute may be added beside the check box to indicate to the user as to its function.
Attributes: accesskey, checked, command, crop, disabled, image, label, tabindex
Properties and Methods: accesskey, blur, checked, command, controllers, crop, doCommand, focus, image, label

radio
An element that can be turned on and off. Radio buttons are almost always grouped together in groups. Only one radio button within the same group may be turned on at a time. The user can switch which radio button is turned on by selecting it with the mouse or keyboard. Other radio buttons in the same group are turned off. A label, specified with the label attribute may be added beside the radio button to indicate to the user as to its function.
Attributes: accesskey, checked, command, crop, disabled, image, label, tabindex
Properties and Methods: accesskey, blur, checked, command, controllers, crop, doCommand, focus, image, label

textbox
A text input field in which the user can enter text. It is similar to the HTML input element. Only one line of text is displayed by default. The multiline attribute can be specified to display a field with multiple rows.
Attributes: disabled, maxlength, multiline, oninput, readonly, size, type, value
Properties and Methods: controllers, disabled, maxlength, readonly, selectionEnd, selectionStart, setSelectionRange, size, textLength, type, value

textbox(autocomplete)
This element is created by setting the type attribute of a textbox to 'autocomplete'. It is used to create a textbox with a popup containing a list of possible completions for what the user has started to type.
Attributes: autoFill, autoFillAfterMatch, disableAutocomplete, flexPopup, focused, forceComplete, hideHistory, maxrows, oninit, ontextcommand, ontextrevert, searchSessions, showCommentColumn, showPopup, tabScrolling, timeout, userAction
Properties and Methods: addSession, _autoFill, _autoFillAfterMatch, clearResults, _disableAutocomplete, _flexPopup, _focused, _forceComplete, getDefaultSession, getResultAt, getResultCount, getResultValueAt, getSession, getSessionByName, getSessionResultAt, getSessionValueAt, _hideHistory, _isSearching, _isWaiting, maxRows, _noMatch, removeSession, _resultsPopup, _searchSessions, _sessionCount, _showCommentColumn, _showPopup, syncSessions, _tabScrolling, _timeout, _userAction

description
This element is used to create a block of text. The text can be set either with the value attribute or by placing text inside the open and close description tags. The value attribute is used to set text that appears in a single line. If text appears as a child of the description, it will wrap to multiple lines. If may contain arbitrary markup, which can be styled as needed.
Attributes: crop, disabled, value
Properties and Methods: crop, disabled, value

label
This attribute is used to provide a label for an control element, If the user clicks the label, it will move the focus to the associated control, specified with the control attribute.
Attributes: accesskey, control, crop, disabled, value
Properties and Methods: accesskey, control, crop, disabled, value

text
(Deprecated) A piece of text. It can be used as a label for another element by using the for attribute. The text does not wrap so text only appears on one line. If the text does not fit, it will be cropped according to the crop attribute. This element has been replaced by the description and label elements.
Attributes: for

html
(Deprecated) This element can be used to display text that wraps as in normal text in HTML. That is, if the text is too long to fit on one line, it wraps to the next. Unlike most XUL elements, the content of the html element goes inside the tags, not in an attribute. This element has been replaced by the description element.

image
An element that displays an image, much like the HTML img element. The src attribute can be used to specify the URL of the image.

separator
Creates a separator bar. This type of separator should be used to separate parts of a dialog. It is functionally equivalent to a spacer but some skins may apply a different appearance.

spring
(Deprecated) An element that takes up space but does not display anything. It is usually used to place spacing within a container. This element has been replaced by the spacer element.

spacer
An element that takes up space but does not display anything. It is usually used to place spacing within a container.

scrollbar
When a container contains contents which are larger that the size of the content, scroll bars may be placed at the side of the container to allow the user to scroll around in the container. The scroll bar may also be used independently when a numeric value or percentage needs to be selected by the user. The user can adjust the position of the scroll bar by clicking arrows on either end of the scroll bar or by dragging the scroll bar thumb around.
Attributes: curpos, increment, maxpos, pageincrement

scrollbarbutton
A button on the end of a scrollbar which is used to adjust the position of the scroll bar thumb.
Attributes: accesskey, crop, disabled, image, label, type

slider
This element is essentially a scrollbar without the scroll bar buttons. It is used in implementing a scrollbar.
Attributes: curpos, increment, maxpos, pageincrement

thumb
A scroll bar thumb, used by the scrollbar and slider elements.
Attributes: disabled

menubar
A container that usually contains menu elements. On the Macintosh, the menubar is displayed along the top of the screen, and all non-menu related elements inside the menubar will be ignored.
Attributes: accesskey, command, crop, disabled, image, label, value
Properties and Methods: accesskey, command, crop, disabled, doCommand, image, label, value

menu
An element, much like a button, that is placed on a menu bar. When the user clicks the menu element, the child menupopup of the menu will be displayed.
Attributes: accesskey, allowevents, crop, disabled, image, label

menupopup
A container used to display menus. It should be placed inside a menu, menulist, or menubutton element. It can contain any element but usually will contain menuitem elements. It is a type of box that defaults to vertical orientation.
Attributes: oncontextmenu, onpopuphidden, onpopuphiding, onpopupshowing, onpopupshown, position
Properties and Methods: activeChild, closePopup, openPopup

menuitem
A single choice in a menupopup element. It acts much like a button but it is rendered on a menu.
Attributes: accesskey, command, crop, disabled, image, key, label, modifiers, name, selected, type, value
Properties and Methods: accesskey, command, crop, disabled, doCommand, image, label, value

menulist
An element that can be used for drop-down choice lists. The user may select one of the elements displayed in the menulist. The currently selected choice is displayed on the menulist element. To create the drop-down, put a menupopup inside the menulist containing the choices as menuitem elements.
Attributes: editable
Properties and Methods: selectedIndex, selectedItem

menubutton
The element is much like a menulist except that the current value is not displayed. Instead a button is displayed which may be clicked to display the drop-down menu.
Attributes: accesskey, crop, disabled, image, label

menuseparator
Used to create a separator between menu items. Typically drawn as a thin line.

popupset
A container for popup elements. You may declare all popup elements as children of a popupset, although it is not necessary. This element and all of its descendants does not display on screen. Child popups will be displayed when asked to by other elements.

popup
A container that appears in a child window. The popup window does not have any special frame. Popups can be displayed when an element is clicked by assigning the id of the popup to either the popup, context or tooltip attribute of the element. A popup is a type of box that defaults to vertical orientation.
Attributes: onpopuphidden, onpopuphiding, onpopupshowing, onpopupshown, position
Properties and Methods: activeChild, closePopup, openPopup

toolbox
A container for toolbars. It is a type of box but defaults to vertical orientation. If a toolbar is placed inside a toolbox, a grippy is displayed on its left or upper edge. The user may click the grippy to collapse the toolbar. If multiple toolbars are placed in the same toolbox, they will all collapse into the same row.
Properties and Methods: collapseToolbar, expandToolbar

toolbar
A container which typically contains a row of buttons. It is a type of box that defaults to horizontal orientation. It can be collapsed with a grippy when the toolbar is placed inside a toolbox. The toolbar should always have an id attribute.
Attributes: grippyhidden

toolbarseparator
Creates a separator between a group of toolbar buttons. It is functionally equivalent to a normal separator but some skins may apply a different appearance.
Attributes: crop, flex, height, label, left, maxheight, maxwidth, minheight, minwidth, orient, top, width

toolbargrippy
The notch on the side of a toolbar which can be used to collapse and expand it. This element is used internally by the toolbar and should only be used directly when modifying its skin.

tabbox
A container used to display tabbed pages of elements to the user. The tabbox should contain two children, the first a tabs element which contains the tabs and the second a tabpanels element which contains the contents of the pages. This is a type of box that defaults to vertical orientation.
Properties and Methods: selectedTab

tabs
A row of tabs. A tabs element should be placed inside a tabbox and should contain tab elements.
Properties and Methods: advanceSelectedTab, selectedTab

tab
A single tab which should be placed inside a tabs element. The user may click a tab to bring the associated page of the tabbox to the front.
Attributes: afterselected, beforeselected, selected
Properties and Methods: label, selected, tabs

tabpanels
A container to hold the set of pages in a tabbox. The tabpanels element should be placed in a tabbox. The tabpanels element should contain tabpanel elements, one for each page. By clicking the first tab, the first panel will be displayed. By clicking the second tab, the second panel will be displayed.
Attributes: index
Properties and Methods: index

tabpanel
A individual panel in a tabpanels element. This is a box that defaults to vertical orientation.

statusbar
An element used to create a status bar, usually placed along the bottom of a window. It is virtually equivalent to a standard box, but may be rendered differently.

statusbarpanel
An individual element of a statusbar. This is a special type of button.
Attributes: accesskey, command, crop, dir, disabled, image, label, orient, tabindex, type
Properties and Methods: accesskey, blur, command, controllers, crop, dir, doCommand, focus, image, label, orient, type

radiogroup
A box that draws a frame around it and expects to have radio elements as children.
Properties and Methods: checkAdjacentElement, selectedItem

groupbox
A box that draws a frame around it. Any label elements placed inside the groupbox will be used as a caption which appears over top of the frame.
Attributes: label

progressmeter
A meter which can be used to display the progress of a lengthy operation. It is drawn as a bar that is filled as the operation completes. In addition, a non-deterministic progressmeter may be created by setting the mode attribute. This is used when the length of time to complete an operation is not known beforehand.
Attributes: label, mode, value
Properties and Methods: label, mode, value

colorpicker
An element that allows the user may use to select a color from. Mozilla renders this as a grid of colors. The user may select a color by clicking on one of the grid cells.
Attributes: color, type
Properties and Methods: color

splitter
An element which should appear before or after an element inside a container. When the splitter is dragged, the sibling elements of the splitter are resized. When the grippy on the splitter is clicked, one sibling element of the splitter is collapsed.
Attributes: collapse, resizeafter, resizebefore

grippy
An element that appears on a splitter which can be used to collapse a sibling element of the splitter.

keyset
A container element for key elements. The keyset and its descendants are not displayed.

key
The key element defines a keyboard shortcut. Event handlers can be used to respond when the appropriate keys are pressed.
Attributes: cancel, charcode, disabled, keycode, modifiers

broadcasterset
A container element for broadcaster elements. The broadcasterset and its descendants are not displayed.

broadcaster
A broadcaster will send an event and attribute changes to multiple elements that are observing the broadcaster and can each respond as necessary.

observes
The observes attribute can be used to listen to a broadcaster and receive events and attributes from it. The observes attribute should be placed inside the element that wants to observe the broadcaster.
Attributes: attribute, noattribselement

commands

commandset
A container for command elements.
Attributes: commandupdater, events

command
A command element can be used to invoke an operation that can come from multiple sources. For example, a clipboard paste operation can be invoked from the Edit menu, a context menu and by pressing a keyboard shortcut. You attach the code to the command using the oncommand attribute. It will be called no matter how it is invoked by the user. In addition, disabling the command will automatically disable the menu items and keyboard shortcuts.
Attributes: disabled, label, oncommand

template
Used to declare a template for rule-based construction of elements. Elements are constructed from a datasource. For more information see the rule element.

rule
A rule used in a template. The children of the rule are used to declare the conditions in which the rule matches and the content that is generated. When the content needs to be displayed, the template builder scans through the RDF datasource searching for nodes that match the rules. When a rule is matched, the corresponding content is generated.
Attributes: iscontainer, isempty

bindings
Should be contained within a rule. Used to specify a set of variable bindings for a rule. This element should contain one or more binding elements.

binding
Should be contained within a bindings element. A binding is used to bind a variable to a node. Like the triple element in syntax, it can be used to bind a particular property of a matched node to a particular variable name. That name can then be used within the action of a rule.
Properties and Methods: object, predicate, subject

action
Should be contained within a rule element. It is used to specify the generated content for each matched node. Within the action, attributes are parsed for resource and variable references.

conditions
This element should appear directly inside a rule element and is used to define conditions for the rule. Within the conditions can be placed content, member and triple elements. For outliners, use the outlinerrow element instead of the content element. These may have attributes whose value is a variable name beginning with a question mark (?). When evaluating the rule for a particular RDF resource, the variables are replaced with values from the resource. If all variables can be replaced, the rule matched.

content
This element should appear inside a conditions element. A rule's conditions should contain one and only one content element. The content element should also have a uri attribute. It is used to bind a variable to a content node during matching.
Properties and Methods: tag, uri

triple
A triple can be included inside a rule's conditions element. It is used check for an assertion within a graph. If such an assertion exists, the rule may match, assuming that all the conditions match. If the assertion does not exist, the rule will not match. Both the subject and object attributes may be variables.
Properties and Methods: object, predicate, subject

member
Used within a rule's conditions element to match elements that are containers or are contained within another element. Both the container and child attributes may use variables.
Properties and Methods: child, container

textnode
Normally when substituting RDF resources in template rules, you place the RDF property name inside an attribute value preceded with 'rdf:'. In the case of the textnode element, the entire node is replaced with text corresponding to the result of the value attribute.
Attributes: value

wizard
This element is used to construct a step-by-step wizard found in some applications to guide users through a task. It is used for a window with several steps contained on several pages. This element provides the header and buttons along the bottom, and also handles navigation between the pages. Each page should be constructed using a wizardpage. The pages are displayed in the order that they are placed in the wizard, unless you use the next and pageid attributes on the pages to change the sequence. The wizard will rendered in a manner suitable for the user's selected theme and platform.
Attributes: onwizardback, onwizardcancel, onwizardfinish, onwizardnext, title
Properties and Methods: advance, cancel, getPageById, goTo, rewind, title

wizardpage
This element defines a page in a wizard. The content in the pages should be placed inside the wizardpage element.
Attributes: description, label, next, onpagehide, onpageshow, pageid
Properties and Methods: next, pageid

window
Describes the structure of a top-level window. It is the root node of a XUL document. It is by default a horizontally oriented box. As is it a box, all box attributes can be used. By default, the window will have a platform-specific frame around it.
Attributes: title, windowtype

overlay
An overlay is used when it is desirable for a block of content to be shared between several different windows. In addition, it can be used to append or alter content in an existing window. An overlay is defined in a separate XUL file.
Attributes: class, id

script
Much like the HTML script element, this is used to declare a script to be used by the XUL window. You should usually put scripts in a separate file pointed to by the src attribute, but you may also place the script inline inside the opening and closing script tags.
Attributes: src, type

titlebar
Used to represent a title bar.

resizer
An element used for window resizing.
Attributes: direction

stringbundle
An element which can be used to load localized resources from property files.
Attributes: src
Properties and Methods: appLocale, getString, stringBundle

stringbundleset
A container for stringbundle elements.

Navigator
The global navigator object that contains information about the environment in which the XUL document is loaded in.
Properties and Methods: appCodeName, appName, appVersion, cookieEnabled, javaEnabled, language, mimeTypes, oscpu, platform, plugins, preference, product, productSub, securityPolicy, userAgent, vendor, vendorSub

Event
The event object that is available in all event handlers. you can access it through the object event and it contains properties that provide information about the event.
Properties and Methods: altKey, bubbles, button, cancelBubble, cancelable, charCode, clientX, clientY, ctrlKey, currentTarget, detail, eventPhase, isChar, keyCode, layerX, layerY, metaKey, originalTarget, pageX, pageY, rangeOffset, rangeParent, relatedTarget, screenX, screenY, shiftKey, target, timeStamp, type, view, which

XUL Window
The global window object. It has all the properties as the window object for HTML documents, although some properties are not used for anything.
Properties and Methods: Components, alert, arguments, blur, captureEvents, clearInterval, clearTimeout, close, closed, confirm, controllers, disableExternalCapture, document, dump, enableExternalCapture, escape, focus, frames, getComputedStyle, history, innerHeight, innerWidth, length, moveBy, moveTo, name, navigator, open, openDialog, opener, outerHeight, outerWidth, pageXOffset, pageYOffset, parent, prompt, releaseEvents, resizeBy, resizeTo, routeEvent, screen, screenX, screenY, scroll, scrollBy, scrollTo, scrollX, scrollY, self, setCursor, setInterval, setTimeout, sizeToContent, top, unescape, updateCommands, window

Screen
An object that can provide information about the user's display. It also supports users who have multiple monitors on some platforms. These properties are read-only. You can get a screen object from the window object's screen property.
Properties and Methods: availHeight, availLeft, availTop, availWidth, colorDepth, height, left, pixelDepth, top, width

Event Handlers
The following describes the event handlers that are valid for most XUL elements.
Attributes: onblur, onbroadcast, onclick, onclose, oncommand, oncommandupdate, oncontextmenu, ondblclick, ondragdrop, ondragenter, ondragexit, ondraggesture, ondragover, onfocus, oninput, onkeydown, onkeypress, onkeyup, onload, onmousedown, onmousemove, onmouseout, onmouseover, onmouseup, onoverflow, onoverflowchanged, onpopuphidden, onpopuphiding, onpopupshowing, onpopupshown, onselect, onunderflow, onunload

bindings
The root node of an XBL file. It should contain one or more binding tags.
Attributes: class, id

binding
Declares a binding. The id attribute is used to identify a binding and refer to it within a style sheet via the -moz-binding property. The same binding can be used to attach to any number of elements.
Attributes: class, extends, id

content
Used to define the anonymous content of a binding. The elements within the content tag become the anonymous content of the element bound to. The content is visible on screen as if it was present directly in the XUL file, however the elements cannot be seen via the normal DOM functions.
Attributes: class, id, includes

children
Specifies the location where any child elements of the bound element are placed in the generated content.
Attributes: class, id, includes

handlers
Used to hold handler elements, which are used to declare event handlers.
Attributes: class, id

handler
Specifies event handlers which the XBL element responds to. You can provide default handling which can be overriden by an appropriate handler on the bound element. When the event occurs, the code contained in the action attribute or, if the action is not present, the content of the handler tag is executed.
Attributes: action, button, capturing, charcode, class, clickcount, event, id, keycode, modifiers, phase

implementation
Used to contain property and method declarations for the element.
Attributes: class, id

property
Declares a JavaScript property that is added to the element's object. The property element may have a getter child element and a setter child element to get and set the value of the property respectively.
Attributes: class, id, name, onget, onset, readonly

getter
Defines code which is called to retrieve the value of a property. The code should return the value of the property.
Attributes: class, id

setter
Defines code which is called to modify the value of a property. The variable val is defined as the value to set the property to.
Attributes: class, id

method
Declares a JavaScript method that is added to the element's object. The method may take arguments, declared with the parameter element.
Attributes: class, id, name

parameter
Declares a parameter to a method. Each parameter has a name attribute with becomes a variable that is declared in the method body and has the value that was passed in to the method.
Attributes: class, id, name

body
The content of the body element should be the code to execute when the method is called.
Attributes: class, id

constructor
The code inside this element is called when the binding is attached to an element. You can use this to initialize the content the binding uses. The constructor should be placed inside the implementation element.
Attributes: action, class, id

destructor
The code inside this element is called when the binding is removed from an element. You can use this to unload resources to free memory. The destructor should be placed inside the implementation element.
Attributes: action, class, id

resources
Used to specify a list of resources that the binding uses. This includes images, using the image element or style sheets using the stylesheet element. The resources element should be placed directly inside the binding element.
Attributes: class, id

image
Declares an image resource used by the binding. The image is loaded as soon as the binding is used. You can use this to preload a number of images for later use.
Attributes: class, id, src

stylesheet
Declares a style sheet used by the binding. Using this element is preferred over using an XML processing instruction.
Attributes: class, id, src

InstallTrigger
Used to trigger an installation of a component. The component should be an XPI file containing the files to installed. The XPI file will be downloaded and the install.js script within the installer will be executed. This object is a global object and its methods can be called directly.
Properties and Methods: compareVersion, enabled, getVersion, install, installChrome, startSoftwareUpdate

Install
An object used for installations. This object is only available within an installation script.
Properties and Methods: Install, addDirectory, addFile, alert, archive, arguments, buildID, cancelInstall, confirm, deleteRegisteredFile, execute, flags, gestalt, getComponentFolder, getFolder, getLastError, getWinProfile, getWinRegistry, initInstall, jarfile, loadResources, logComment, patch, performInstall, platform, refreshPlugins, registerChrome, resetError, setPackageFolder, uninstall, url

File
The File object can be used to manipulate files. Like the Install functions, the functions of the File object only assign an operation to be performed once the installation has begun.
Properties and Methods: copy, dirCreate, dirGetParent, dirRemove, dirRename, diskSpaceAvailable, execute, exists, isDirectory, isFile, macAlias, modDate, modDateChanged, move, nativeVersion, remove, rename, size, unixLink, windowsRegisterServer, windowsShortcut

DOMParser
This object is used to parse strings of text into DOM document trees. The two functions return documents from a string or stream of XML or HTML text.
Properties and Methods: parseFromStream, parseFromString

XMLSerializer
This object is used to convert a document or a part of a document into a string. It is the reverse of the DOMParser object. The functions take a document node and return a string or write the string form to a stream.
Properties and Methods: serializeToStream, serializeToString

XMLHttpRequest
This object can be used to make HTTP requests. You can set headers and the method (GET or POST) before making the request. Once the connection has been made you can retrieve response headers and the returned content as plain text or as a parsed document.
Properties and Methods: abort, channel, getAllResponseHeaders, getResponseHeader, onerror, onload, open, responseText, responseXML, send, setRequestHeader, status, statusText

rdf:bookmarks
This datasource holds the user's bookmarks. Each bookmark holds a title and URL and information about ehen the user has visited the bookmark and the schedule for checking when the URL is checked for updates. The root of the bookmarks datasource is NC:BookmarksRoot. You can also use the roots NC:PersonalToolbarFolder for the folder holding personal toolbar items and NC:IEFavoritesRoot for the folder containing the imported IE favorites.
Resource Properties: rdf:BookmarkAddDate, rdf:Description, rdf:LastModifiedDate, rdf:LastVisitDate, rdf:Name, rdf:Schedule, rdf:ShortcutURL, rdf:URL, rdf:status, rdf:type
Resource Commands: rdf:deletebookmark, rdf:deletebookmarkfolder, rdf:deletebookmarkseparator, rdf:export, rdf:import, rdf:newbookmark, rdf:newfolder, rdf:newseparator, rdf:setnewbookmarkfolder, rdf:setnewsearchfolder, rdf:setpersonaltoolbarfolder

rdf:history
The history datasource holds a list of the pages that the user has visited. It is available in two forms, a flat list by using NC:HistoryRoot and organized by day by using NC:HistoryByDate. In this latter form, items are stored in one of seven folders, storing URLs visited in each of the recent seven days. URLs visited earlier are placed in the last folder.
Resource Properties: rdf:Date, rdf:FirstVisitDate, rdf:Hostname, rdf:Name, rdf:Referrer, rdf:URL, rdf:VisitCount

rdf:files
The files datasource holds a tree of the user's filesystem. Use NC:FilesRoot in a ref attribute to grab the file list from the root. Alternatively, you can use a file URL to specify a particular directory.
Resource Properties: rdf:Content-Length, rdf:LastModifiedDate, rdf:Name, rdf:URL, rdf:extension

rdf:window-mediator
This datasource holds a list of all of the open windows. Use a ref value of NC:WindowMediatorRoot in a template.
Resource Properties: rdf:Name