strobe
strobe
strobe
strobe
strobe
strobe
strobe
strobe
strobe
strobe
Movement
Movement
Visibility
Visibility
Visibility
Z-index
Z-index
Position
Position
Click one of the boxes to the left to see layers in action
The boxes to the left are

z-index "TWO"
z-index
"ONE"

will go
UNDER
the boxes
z-index "THREE"

will go
OVER
Each box to the left will disappear for 2 secs and then reappear
This is done by toggling the visibility: hide and show
The TOP property
sets the
Verticle
Level
The LEFT property
sets the
Horizontal Position
changing "top" will move an object
up or down the Y-axis
changing "left" will move an object
left or right on the X-axis
A layer has properties: top, left, visibility,
& z-index
They also require the position: property set to absolute
With the position set to "absolute" the layer can be referenced
The eval( ) function is used to reset the layer's position
a
a
a
a
a
Make your page come alive with Layers
use Visibility, zIndex and Left & Top
combined with the setTimeout function
create scrolls, strobing or movement
hide or show layers as you please

Uncle Jim's JavaScript Examples
Layering Properties