                 $( '#submit_btn' ).hide()
                 # $("#xform_view").keydown (e) ->
                 #     $("#next_btn").click()  if e.keyCode is 13
+
+            if @currentQuestionIndex == 0
+              $( '#prev_btn' ).hide()
 
             if document.getElementById( 'detail_data_id' ) != null
                 $( '#submit_btn' ).show()

              return

            #Is this question relevant?  Or, is this question an equation?
            if (current_question.bind and current_question.bind.calculate) or not 
              XFormConstraintChecker.isRelevant( current_question, @queryStringToJSON($( ".form" ).serialize()) )
                # If its a calculation, calculate it!
                $("#" + current_question.name).val _performCalcluate(current_question.bind.calculate)  if current_question.bind and current_question.bind.calculate


        _display_form_buttons: ( question_index, question ) ->

            if question_index == @numberOfQuestions - 1 or (not question)
                $( '#prev_btn' ).show()
                $( '#submit_btn' ).show()

