Required library edition:
Required library file: dhtmlxlayout.js / dhtmlxaccordion.js

attaches dhtmlxToolbar to a cell, returns a toolbar object

Attaching to the layout's cell:

var dhxToolbar = dhxLayout.cells("a").attachToolbar(); // returns toolbar object

Attaching to the accordion's cell:

var dhxToolbar = dhxAcc.cells(id).attachToolbar(); // returns toolbar object