<%= render_sort_bar(true, delete_panel_personal_seminar_back_end_writing_seminars_path(:direction => params[:direction], :sort => params[:sort], :sort_options => params[:sort_options]),
	['year', 'year', 'span1', 'writing_seminar.year'],
	['title', 'title','span3', 'writing_seminar.title']).html_safe %>