   set_svg_input:(html) =>
     $value= $(html)
     $src = $value.attr("src")
-    hidden = $("#{@button_sel} [name=\"embeddable_image_question_answer[annotated_image_url]\"]")
-    hidden.val($src)
+    @$annotated_image_url_field.val($src)
     @current_thumbnail = $src
     @update_display()
 
   submit_svg_form: ->
     $input = @$annotation_field
     $input.attr("value", sketchily_encode64("<?xml version=\"1.0\"?>\n" + @svg_annotation_data))
-    hidden = $("#{@button_sel} [name=\"embeddable_image_question_answer[image_url]\"]")
+    hidden = $("#{@form_sel} [name=\"#{@form_prefix}[image_url]\"]")
     hidden.val(@current_src)
     @$svg_form.submit()
 



  copy_annotation_to_live_submit: (name) ->
    field_name   = """ [name="embeddable_image_question_answer[#{name}]"] """
    live_field   = $("#{@button_sel} #{field_name}")
    dialog_field = $("#{@form_sel} #{field_name}")

    dialog_value = dialog_field.val()
    live_field.val(dialog_value)

  set_image_source: (src) ->
    @last_src = @current_src unless @current_src == ""
    @current_src = src
    @$image_url_field.val(src)
    @update_display()

  set_image:(html) ->
