anchor.diff:  <tags:dwrJavascriptLink objects="StudyAjaxFacade"/>
   
   <title>${tab.longTitle}</title>
  -<c:choose>
  -    <c:when test="${fn:length(command.studySites) > 0}">
  -        <c:set var="selected_site" value="0"/>
  -        <c:if test="${not empty selectedSite}">
  -            <c:set var="selected_site" value="${selectedSite}"/>
  -        </c:if>
  +
       
   <script language="JavaScript" type="text/JavaScript">
   function chooseSites() {
  
positive.code: <body>
  
  <tags:tabForm tab="${tab}" flow="${flow}" willSave="${willSave}" formName="form">
  <jsp:attribute name="singleFields">
    <div>
        <input type="hidden" name="_action" value="">
        <input type="hidden" name="_selected" value="">
  
negative.code:         </tr>
      </table>
  </div>
  
  
  </body>
  </html>