anchor.diff:          </tr>
       </table>
   </div>
  +</c:when>
  +    <c:otherwise>
  +        <c:set var="selected_site" value="-1"/>
  +    </c:otherwise>
  +</c:choose>
   
   </body>
   </html>
positive.code:         <c:if test="${not empty selectedSite}">
              <c:set var="selected_site" value="${selectedSite}"/>
          </c:if>
      </c:when>
      <c:otherwise>
          <c:set var="selected_site" value="-1"/>
      </c:otherwise>
  </c:choose>
  <script language="JavaScript" type="text/JavaScript">
  function chooseSites() {
      document.getElementById('command')._target.name = '_noname';
  
negative.code: var instanceRowInserterProps = {
         add_row_division_id: "mytable", 	        /* this id belongs to element where the row would be appended to */
         skeleton_row_division_id: "dummy-row",
      //   initialIndex: ${fn:length(command.studySites[selected_site].studyInvestigators)},                            /* this is the initial count of the rows when the page is loaded  */
      //   path: "studySites[${selected_site}].studyInvestigators",                            /* this is the path of the collection that holds the rows  */
      postProcessRowInsertion: function(object){
          clonedRowInserter=Object.clone(investigatorsAutocompleterProps);
  		clonedRowInserter.basename=clonedRowInserter.basename+object.localIndex;
  