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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

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