<qa>  What is the purpose of this study?The purpose of this study is to evaluate the effectiveness level of pain control and safety of the administration of Extended Release HydrocodoneAcetaminophen and Immediate Release HydrocodoneAcetaminophen with placebo over a 12 hour dosing period in patients who have had a bunionectomy, and to assess the safety of the drug for 7 days after patients are discharged from the hospital. 