ui.Form.setElementImage
Change the image of form elements.
Syntax
setElementImage(
   name STRING,
   image STRING )
- name defines the name of the node, see Identifying elements in ui.Form methods.
 - image is the image to be set.
 
Usage
Change the image/icon of a form element with the setElementImage() method.
Pass the identifier of the form element. The identifier is the element name as
defined in the form definition.
Note: All elements with this name will be affected. If you want to
distinguish all form elements, use unique names in the form definition file.