(with-firefox-webdriver
 (firefox-profile-path)
 (lambda ()   
   (get-element-by-id "sim-selected-prod-preco")
   (get-element-by-id "sim-conf-container")
   (get-element-by-id "sim-prod-summary")

   (select-element!
    (get-element-by-xpath "//select[@id='estados']/option[@value='RS']"))

   (select-element!
    (get-element-by-xpath (conc "//select[@id='cidades']/option[@value='Pelotas']")))))