EditableScale has no UI object, so just append it in initializeWidget.  Use OpenLayers.Event.KEY_RETURN.
EditableScale has no UI object, so just append it in initializeWidget.  Use OpenLayers.Event.KEY_RETURN.

asir6/FusionLab,asir6/FusionLab,asir6/FusionLab,asir6/FusionLab