The item for which you have selected help is documented in the Internet Client SDK, available on your MSDN Library CD. Please see the following topics for more information:
If you are looking for an overview of the features of Dynamic HTML, please see "Dynamic HTML" in the Internet Client SDK.
If you are looking for more information on the HTML elements you see in the treeview, the toolbox, or the Properties window, please see "HTML Elements" in the "Dynamic HTML" section of the Internet Client SDK.
If you are looking for help on the objects used in Dynamic HTML and their properties, methods, and events, please see "Document Object Model References" in the "Dynamic HTML" section of the Internet Client SDK.