MACROMEDIA DREAMWEAVER 8-DREAMWEAVER API Reference page 206

Arguments
bEditNoFrames
The
bEditNoFrames
Content option;
Returns
Nothing.
Enabler
See "dom.canEditNoFramesContent()" on page
dom.setHideAllVisualAids()
Availability
Dreamweaver 4.
Description
This function turns off the display of all borders, image maps, and invisible elements,
regardless of their individual settings in the View menu.
Arguments
bSet
The argument is a Boolean value:
bSet
Returns
Nothing.
dom.setPreventLayerOverlaps()
Availability
Dreamweaver 3.
Description
This function toggles the Prevent Layer Overlaps option on and off.
Arguments
bPreventLayerOverlaps
The
bPreventLayerOverlaps
Layer Overlaps option;
206 Workspace
argument is a Boolean value:
turns it off.
false
argument is a Boolean value:
turns it off.
false
turns on the Edit NoFrames
true
556.
hides visual aids;
true
otherwise.
false
turns on the Prevent
true