<table>
  <tr><th>Auswahl</th><td></td><th>Ausgewählt</th></tr>
  <tr>
    <td>
      <%= select_tag table+'_source', options_for_select(options.select{|o| !selected.include?(o[1])}), :multiple => true, :class => 'many_select' %>
    </td>
    <td>
      <button type="button" id="<%= table %>_hinzu" class="select" onclick="move_option('<%= table %>_source','<%= table %>_target')"><%= image_tag '16-arrow-right.png' %></button>
      <br />
      <button type="button" id="<%= table %>_rausda" class="select" onclick="move_option('<%= table %>_target','<%= table %>_source')"><%= image_tag '16-arrow-left.png' %></button>
    </td>
    <td>
      <%= select_tag table, options_for_select(options.select{|o| selected.include?(o[1])}), :multiple => true, :class => 'many_select', :id => table+'_target' %>
    </td>
  </tr>
</table>

