anchor.diff:  				<c:choose>
   					<c:when test="${canUserSubmit eq 'true'}">
   						<html:text property="surface.zetaPotential" />&nbsp;
  -						<html:select property="surface.zetaPotentialUnit"
  -							onkeydown="javascript:fnKeyDownHandler(this, event);"
  -							onkeyup="javascript:fnKeyUpHandler_A(this, event); return false;"
  -							onkeypress="javascript:return fnKeyPressHandler_A(this, event);"
  -							onchange="fnChangeHandler_A(this, event);">
  -							<option value="">
  -								--?--
  -							</option>
  -							<html:options name="allZetaPotentialUnits" />
  -						</html:select>
  +						${nanoparticleCharacterizationForm.map.surface.zetaPotentialUnit}&nbsp;
   									</c:when>
   					<c:otherwise>
   										${nanoparticleCharacterizationForm.map.surface.zetaPotential}&nbsp;
  +										${nanoparticleCharacterizationForm.map.surface.zetaPotentialUnit}&nbsp;
   									</c:otherwise>
   				</c:choose>
   			</td>
  
positive.code: 			<td class="label">
  				<c:choose>
  					<c:when test="${canUserSubmit eq 'true'}">
  						<html:text property="surface.surfaceArea" />&nbsp;&nbsp;
  						<html:select property="surface.surfaceAreaUnit"
  							onkeydown="javascript:fnKeyDownHandler(this, event);"
  							onkeyup="javascript:fnKeyUpHandler_A(this, event); return false;"
  							onkeypress="javascript:return fnKeyPressHandler_A(this, event);"
  							onchange="fnChangeHandler_A(this, event);">
  							<option value="">
  								--?--
  							</option>
  							<html:options name="allAreaMeasureUnits" />
  						</html:select>
  					</c:when>
  					<c:otherwise>
  										${nanoparticleCharacterizationForm.map.surface.surfaceArea}&nbsp;
  
negative.code: 				<c:choose>
  					<c:when test="${canUserSubmit eq 'true'}">
  						<html:text property="surface.charge" />&nbsp;
  						<html:select property="surface.chargeUnit">
  							<option value="" />
  							<html:options name="allChargeMeasureUnits" />
  						</html:select>
  					</c:when>
  