anchor.diff:        return (
           <div className={'col-center'}>
             <div id='icons'>
  -            <img id='assign'
  +            <input id='assign'
  +              className='image_input'
                 src='/assets/add_arrow.png'
                 alt='<%= j raw I18n.t('add_members') %>'
                 onClick={this.performAction}
  +              type='image'
               />
  -            <br/>
  -            <img id='unassign'
  +            <input id='unassign'
  +              className='image_input'
                 src='/assets/remove_arrow.png'
                 alt='<%= j raw I18n.t('remove_members') %>'
                 onClick={this.performAction}
  +              type='image'
               />
             </div>
           </div>
  
positive.code: 
        return (
          <div className={'col-right'}>
            <AddGroupButton refresh={this.props.refresh} />
              <Table data={groups_data} columns={columns} filters={filters} 
                selectable={true}
                onSelectedRowsChange={this.props.onSelectedGroupsChange}
                search_placeholder={'<%= j raw I18n.t('groups.search_groups') %>'} />
          </div>
        );
      }
  
negative.code: 
        return (
          <div className={'col-left'} >
            <div className={'tab-pane ui-tabs ui-widget ui-widget-content ui-corner-all'} id='students-tabs'>
              <Table data={students_data}
                     columns={columns}
                     filters={filters}
                     selectable={true}
                     onSelectedRowsChange={this.props.onSelectedStudentsChange}
                     search_placeholder={'<%= j raw I18n.t('students.search_students') %>'} />
            </div>
          </div>
        );
      }
  