Sorry but for me do not work.
I use C++Builder and I have translated delphi code to:
Sender->JSInterface->JSCode( "var me='#1'; Ext.defer( function(){Ext.select(me.columnManager.columns[" +IntToStr( index) +"].getCellSelector()).setStyle(\"cursor\", \"pointer\")}, 100);");
I have missed somethings?
thanks!