DHTML 1) Define Layers -- I
The first step is to define different named entities in document.
- The picture shows 6 entities labeled 0 1 2 3 4 5
- 0 is main window
- Others subsidiary windows 1-ɱ
- 4 is layered above 3 and 5
- There could be other hidden named entities -- either because they had CSS-P visibility attribute set to hidden or because they were completely underneath other named windows
- Entities could either be scattered around -- seemingly at random or aligned precisely w.r.t. other positionable parts of document