     @flickerButton.attr 'disabled', true
     @fourUpButton.attr 'disabled', false
     @el.attr 'flicker', "true"
+    @deleteButton.show()
     @rerenderMarks()
     setTimeout => @activateFrame 0
 

    @el.find("#asteroid-visible-#{frameNum}").prop 'checked', false
    # @el.find(".asteroid-visible-#{frameNum}").hide()
    @el.find("#marked-status-#{frameNum}").show().html("Marked!")

  updateIconsForNotVisible: (frameNum) ->
    @asteroidMarkedInFrame[frameNum] = true # frame done ("Marked" is a bit misleading here. Fix later!)

    @fourUpButton.attr 'disabled', true
    @flickerButton.attr 'disabled', false
    @el.attr 'flicker', "false"
    @deleteButton.hide()
    @rerenderMarks()
    @showAllTrackingIcons()

