MACROMEDIA DREAMWEAVER 8-DREAMWEAVER API Reference page 558

Returns
A Boolean value:
true
or is not inside a table.
dom.canInsertTableRows()
Availability
Dreamweaver 3.
Description
Checks whether Dreamweaver can perform an Insert Row(s) operation.
Arguments
None.
Returns
A Boolean value:
true
or is not inside a table.
dom.canMakeNewEditableRegion()
Availability
Dreamweaver 3.
Description
Checks whether Dreamweaver can perform a New Editable Region operation.
Arguments
None.
Returns
A Boolean value:
true
558 Enablers
if the selection is inside a table;
if the selection is inside a table;
if the current document is a template (DWT) file.
if the selection is an entire table
false
if the selection is an entire table
false