anchor.diff:  <DIV id="TipLayer" style="visibility:hidden;position:absolute;z-index:1000;top:-100;"></DIV>
   
   <%
  -	String aTherapyID = request.getParameter( "aTherapyID" );
  +	String aCarcinogenExposureID = request.getParameter( "aCarcinogenExposureID" );
   	String isDeleted = (String) request.getAttribute(Constants.Parameters.DELETED);
  -	//if aTherapyID is passed in, then we are dealing with a previously entered model and are editing it
  +	//if aCarcinogenExposureID is passed in, then we are dealing with a previously entered model and are editing it
   	//otherwise, create a new one
   	
   	String actionName = "GeneDeliveryAction.do?method=save";
   	
  -	if ( aTherapyID != null && aTherapyID.length() > 0 && isDeleted == null) {
  +	if ( aCarcinogenExposureID != null && aCarcinogenExposureID.length() > 0 && isDeleted == null) {
   		actionName = "GeneDeliveryAction.do?method=edit";
   	}
   	else {
  -	    aTherapyID = "";
  +	    aCarcinogenExposureID = "";
   	}
   %>
   
  
positive.code: 		<td class="formField">
  			<html:text styleClass="formFieldUnSized" property="ageAtTreatment"  size="15"/>
  			<label for="field1">&nbsp;Units&nbsp;</label>
  			<html:select styleClass="formFieldUnSized" size="1" property="ageUnit">												
  				<html:options name="<%= Dropdowns.AGEUNITSDROP %>"/>					
  			</html:select>
  		</td>
  
negative.code: 					  	  <bean:message key="button.reset"/>
  	  				  </html:reset>
  	  				  
  	  				  <c:if test="${not empty aCarcinogenExposureID}">
  		  				  <html:submit property="<%=Constants.Parameters.ACTION%>" styleClass="actionButton" onclick="return confirm('Are you sure you want to delete?');">
  							  <bean:message key="button.delete"/>
  						  </html:submit>
  				      </c:if>
  			        				  
  					  <!--  Done this way since html:hidden doesn't seem to work correctly -->
    				  	  <input type="hidden" name="aCarcinogenExposureID" value="<%= aCarcinogenExposureID %>">
  				  
  				  </html:form>			
  				</TABLE>
  