How to edit label

Suite and Optimus Suite 5
#1 
Uncaught TypeError: Object #<a dhtmlXTreeObject> has no method 'enableItemEditor'
Uncaught TypeError: Object #<a dhtmlXTreeObject> has no method 'editItem'

are these methods only in prof version ?

#2

This method is available in Standard edition too:

docs.dhtmlx.com/doku.php?id=dhtm … itemeditor

but you should include dhtmlxtree_ed.js