Hi, I'm having difficulties calling an HTML file from python.. Here's the code: [...] from events import conflicting_events calendar_event_add_redirect = HTMLFile('calendar_event_add_redirect', globals()) manage_add_calendar_event_form = HTMLFile('calendar_event_add', globals()) conflicting_events_dialogue = HTMLFile('calendar_event_conflicting_events_dialogue', globals()) # These two expand into seconds expand_hour = lambda x: x * 60 * 60 expand_minute = lambda x: x * 60 def manage_add_calendar_event(self, title='', note='', alarm=0, start=0, end=0, priority=0, status=0, REQUEST=None, RESPONSE=None): "Add an instance of the calendar_event class." new_id = str(self.get_unique_id()) if REQUEST: alarm = expand_hour(REQUEST['alarm_hour']) + \ expand_minute(REQUEST['alarm_minute']) start = expand_hour(REQUEST['start_hour']) + \ expand_minute(REQUEST['start_minute']) end = expand_hour(REQUEST['end_hour']) + \ expand_minute(REQUEST['end_minute']) title = REQUEST['title'] note = REQUEST['note'] priority = REQUEST['priority'] status = REQUEST['status'] conflicting_events_ = self.check_timespan( self.getParentNode().getParentNode().id, self.getParentNode().id, self.id, start, end) if conflicting_events_: return conflicting_events_dialogue(self, REQUEST) [...] Now, if there are any conflicting events, the HTMLFile is returned, with some parameters passed along. What I'm wondering about is how can I pass the variables defined in the REQUEST so that they can be looked up with dtml-code in the conflicting_events_dialogue? And doing it without raising KeyErrors on DTMLMethod that are called from within the conflicting_events_dialogue? Thanks. -Morten