To change the value of a button, this should work: form.element(_type='submit')['_value']='Login'
To add the info button:
form[0][-1][1].append(INPUT(_type="button",_value="Info",_onclick="document.location='%s'"
%URL('function')))
To add the classes:
form.element(_type='submit')['_class']='btn btn-primary'
form.element(_type='button')['_class']='btn btn-info'
Annet

