win32com InternetExplorer checkbox set?

[Robert]

I managed to set text fields like

>>> ie.Document.forms[3][2].type
u'text'
>>> ie.Document.forms[3][2].value = "my text"

but when I set a checkbox or a select-one (when options have no
explicit option values) like
ie.Document.forms[3][2].value="1"   # or "ON" or <select-text...>

nothing happens !?

Robert