anchor.diff:                            </select>
                           </c:if>
                         </td>
  -                      <td valign="top">
  -                        <html:submit property="attribute">
  -                          <fmt:message key="query.submitConstraint"/>
  -                        </html:submit>
  -                      </td>
                       </c:otherwise>
                     </c:choose>
  +                  <td valign="top">&nbsp;
  +                    <html:submit property="attribute">
  +                       <fmt:message key="query.submitConstraint"/>
  +                    </html:submit>
  +                  </td>
                   </tr>
                 </table>
               </c:when>
  
positive.code:                   <c:choose>
                      <c:when test="${editingNode.type == 'boolean'}">
                        <td valign="top">
                          = <input type="hidden" name="attributeOp" value="0"/>
                          <input type="radio" name="attributeValue" value="true" checked />True
                          <input type="radio" name="attributeValue" value="false"/>False
                        </td>
                        <td valign="top">
                          <html:submit property="attribute">
                            <fmt:message key="query.submitConstraint"/>
                          </html:submit>
                        </td>
                      </c:when>
                      <c:otherwise>
  
negative.code:                       <td valign="top" align="center">
                          <span id="operandEditSpan">
                            <html:text property="attributeValue"/><br/>
                            <%-- might want to show up arrow --%>
                            <c:if test="${!empty attributeOptions}">
                              <im:vspacer height="5"/><br/>
                              <img src="images/move-up-arrow.gif" alt="^^^" border="0"/><br/>
                              <im:vspacer height="5"/><br/>
                            </c:if>
                          </span>
                          <c:if test="${!empty attributeOptions}">
                            <select name="attributeOptions" onchange="this.form.attributeValue.value=this.value;">
  