(check_box_tag "selected_specimen_#{specimen.id}", specimen.id, false, {:onchange => remote_function(:url => {:controller => 'biosamples',
                                                                                                                     :action => 'existing_samples'},
                                                                                                                    :method => :get,
                                                                                                                    :with => "'specimen_ids=' + getSelectedSpecimens()",
                                                                                                                    :before=>"show_large_ajax_loader('existing_samples')") + ";show_existing_samples();"}),