       <Router.Link
       to='viewPractice'
       params={linkParams}
+      query={queryParams}
       className='btn btn-default progress-bar-button'>
         <BS.ProgressBar className={colorClass} now={sectionPercent} />
       </Router.Link>

        <Router.Link
        to='viewPractice'
        params={linkParams}
        className='btn btn-default progress-bar-button'>
          <BS.ProgressBar className={colorClass} now={chapterPercent} />
        </Router.Link>


  renderChapterPanels: (chapter, i) ->
    {courseId} = @props
    linkParams = {courseId}
    queryParams = {page_ids: chapter.page_ids}
    sections = _.map(chapter.children, @renderSectionBars)
    chapterPercent = @_percent(chapter.current_level, 1)
    colorClass = @colorizeBar(chapterPercent)
