$("#sort_headers").html("<%= j render 'sort_headers' %>");
$("#tbody_mail_cron_logs").html("<%= j render :partial => 'mail_cron_log', :collection => @mail_cron_logs %>");
$("#mail_cron_log_pagination").html("<%= j paginate @mail_cron_logs, :params => {:direction => params[:direction], :sort => params[:sort], :filter => @filter, :new_filter => nil} %>");