                 $( '#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()


        _display_form_buttons: ( question_index, question ) ->

            if question_index == @numberOfQuestions - 1 or ( question_index > 0 and (not question) )
                $( '#prev_btn' ).show()
                $( '#submit_btn' ).show()


              @currentLanguage = _.keys(document.flat_fields[0].label)[0]
              
            @repopulateForm()
            @_display_form_buttons( 0, document.flat_fields[0] )
            @

        change_language: (language) ->
