Index: forms.py
===================================================================
--- forms.py	(revision 805)
+++ forms.py	(working copy)
@@ -162,7 +162,7 @@
                     help_text = help_text_html % force_unicode(field.help_text)
                 else:
                     help_text = u''
-                output.append(normal_row % {'errors': force_unicode(bf_errors), 'label': force_unicode(label), 'field': unicode(bf), 'help_text': help_text})
+                output.append(normal_row % {'classes': "%s %s %s" % (type(field).__name__, type(field.widget).__name__, field.required and "Required" or "Optional"),  'errors': force_unicode(bf_errors), 'label': force_unicode(label), 'field': unicode(bf), 'help_text': help_text})
         if top_errors:
             output.insert(0, error_row % force_unicode(top_errors))
         if hidden_fields: # Insert any hidden fields in the last row.
@@ -180,15 +180,15 @@
 
     def as_table(self):
         "Returns this form rendered as HTML <tr>s -- excluding the <table></table>."
-        return self._html_output(u'<tr><th>%(label)s</th><td>%(errors)s%(field)s%(help_text)s</td></tr>', u'<tr><td colspan="2">%s</td></tr>', '</td></tr>', u'<br />%s', False)
+        return self._html_output(u'<tr class="%(classes)s"><th>%(label)s</th><td>%(errors)s%(field)s%(help_text)s</td></tr>', u'<tr><td colspan="2">%s</td></tr>', '</td></tr>', u'<br />%s', False)
 
     def as_ul(self):
         "Returns this form rendered as HTML <li>s -- excluding the <ul></ul>."
-        return self._html_output(u'<li>%(errors)s%(label)s %(field)s%(help_text)s</li>', u'<li>%s</li>', '</li>', u' %s', False)
+        return self._html_output(u'<li class="%(classes)s">%(errors)s%(label)s %(field)s%(help_text)s</li>', u'<li>%s</li>', '</li>', u' %s', False)
 
     def as_p(self):
         "Returns this form rendered as HTML <p>s."
-        return self._html_output(u'<p>%(label)s %(field)s%(help_text)s</p>', u'%s', '</p>', u' %s', True)
+        return self._html_output(u'<p class="%(classes)s">%(label)s %(field)s%(help_text)s</p>', u'%s', '</p>', u' %s', True)
 
     def non_field_errors(self):
         """