Clear the values?

hi,
I have a form with a lot of textboxes, radio buttons and check boxes..
Its kind of details entering form.
So after we enter details and click submit button, the details will be stored in a table
and i want to clear all the textbox values , reset radiobuttons and check boxes , so that we can enter another persons details.
How can i do that?

commit_form;
if form_success then
  clear_form(no_validate);
  message('You changes has been saved');
else
Message('Some error'|| sqlerrm);
raise form_trigger_failure;
end if;you have to test this code also

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