setting the visibility of a layer. The inherit attribute causes
a layer to inherit a parent layer's visibility.
overlapping layers & changing the Z-index of a layer. The
layer with the highest Z-index shows up on top of other layers.
layers can be placed at an absolute position on a page or relative
to the page or a table. I recommend using absolute positioning
due to brower inconsistencies.
attaching behaviors to a layer
implementing browser detection to avoid cross-platform problems with a layer. You can manually check a page for browser compatibility using the File/Check Page/Check Target Browsers menu command. Of course, you can also use the File/Preview in Browser menu command.
convert layers to tables and vice versa to use tables rather
than layers using the Modify/Convert/Tables to Layers and ....Layers
to Tables menu commands