anchor.diff:  								<option value="">
   									--?--
   								</option>
  -								<html:options name="datumNames"/>
  +								<html:options name="datumNames" />
   							</html:select>&nbsp; 	
   						</c:when>
   						<c:otherwise>
  
positive.code: 				<c:choose>
  					<c:when test="${canUserSubmit eq 'true'}">
  
  						<td class="rightLabel">							
  							<a href="#" class="removeLink"
  								onclick="javascript:removeCharacterizationData(nanoparticleCharacterizationForm, '${actionName}', ${param.fileInd}, ${dInd})">remove</a>
  						</td>
  
negative.code: 						<c:when test="${canUserSubmit eq 'true'}">
  							<html:select
  								property="achar.derivedBioAssayDataList[${param.fileInd}].datumList[${dInd}].category">
  								 <option/>
  								<c:forEach var="category" items="${nanoparticleCharacterizationForm.map.achar.derivedBioAssayDataList[param.fileInd].categories}">														   
  								    <html:option value="${category}">${category}</html:option>
  								</c:forEach>
  							</html:select>&nbsp; 						
  						</c:when>
  						<c:otherwise>
  