Gets a DHTML event object that relates to the processed event.
An object that maintains DHTML event-specific information.
The htmlEvent property can be used to access an object containing that state of the corresponding DHTML event (such as the HTML element in which the event occurred, the state of the keyboard keys, the location of the mouse, the state of the mouse buttons, etc.).
More information about the DHTML event object's available members can be found at: Event Object
To learn more on the DHTML Object Model, refer to the following MSDN topic: DHTML Object Model