Fires when a navigation operation begins.
|HTML Attribute||<element DownloadBegin = "handler(event)">|
|attachEvent Method||object.attachEvent("DownloadBegin", handler)|
Event handler parameters
This method has no parameters.
This event is fired shortly after the BeforeNavigate event or the BeforeNavigate2 event, unless the navigation is canceled. Any animation or "busy" indication that the container must display should be connected to this event.
Each DownloadBegin event has a corresponding DownloadComplete event.