anchor.diff:                              required="true" label="Select Mapping File Type:"
                               onclick="disableFormElement(this, 'Auto (No File Required)', document.imagingSourceForm, imageClinicalMappingFile)"/>
                   		<s:file name="imageClinicalMappingFile" label="Subject to Imaging Mapping File" size="40" disabled="true"/>
  -                </tr>
  +                </tr>
                   </s:if>
                   <tr> 
               	    <td></td>
  
positive.code:             	            onclick="document.imagingSourceForm.action = 'cancelImagingSource.action';
              	            document.imagingSourceForm.cancelAction.value = 'true';
              	            document.imagingSourceForm.submit();"> Cancel 
              	    </button>
                      
                      <s:if test="%{studyConfiguration.hasLoadedClinicalDataSource()}">
              	       <button type="button" onclick="saveDatasource()"> Save </button>
                      </s:if>
              	    </td> 
                  </tr>
  
negative.code:                     
                      <table class="data">
                          <tr>
                              <th colspan="3">Mapped Image Studies</th>
                          </tr>
                          <tr>
                              <th>NBIA Study Instance UID</th>
                              <th>NBIA Subject Identifier</th>
                              <th>caIntegrator Subject Identifier</th>
                          </tr>
  