MACROMEDIA DREAMWEAVER 8-DREAMWEAVER API Reference page 559

dom.canMarkSelectionAsEditable()
Availability
Dreamweaver 3.
Description
Checks whether Dreamweaver can perform a Mark Selection as Editable operation.
Arguments
None.
Returns
A Boolean value:
true
otherwise
false .
dom.canMergeTableCells()
Availability
Dreamweaver 3.
Description
Checks whether Dreamweaver can perform a Merge Cells operation.
Arguments
None.
Returns
A Boolean value:
true
dom.canPlayPlugin()
Availability
Dreamweaver 3.
Description
Checks whether Dreamweaver can perform a Play operation. This function is valid only for
the active document.
Arguments
None.
if there is a selection and the current document is a DWT file;
if the selection is an adjacent grouping of table cells; otherwise.
false
Enablers 559