Fires when the progress of a download operation is updated on the object.
|HTML Attribute||<element ProgressChange = "handler(event)">|
|attachEvent Method||object.attachEvent("ProgressChange", handler)|
Event handler parameters
A Long that specifies the amount of total progress to show, or
-1when progress is complete.
A Long that specifies the maximum progress value.
The container can use the information provided by this event to display the number of bytes downloaded or to update a progress indicator.
To calculate the percent of progress to show in a progress indicator, multiply the value of Progress by 100, and divide by the value of ProgressMax; unless Progress is
-1, in which case the container indicates that the operation is finished or hides the progress indicator.