anchor.diff:          </tr>
       </table>
   </div>
  -</c:when>
  -    <c:otherwise>
  -        <c:set var="selected_site" value="-1"/>
  -    </c:otherwise>
  -</c:choose>
  +
   
   </body>
   </html>
positive.code:   </div>
  
  <table border="0" id="table1" cellspacing="10" width="100%">
  <tr>
  <td width="75%" valign="top">
  
  
negative.code: <body>
  
  <tags:tabForm tab="${tab}" flow="${flow}" willSave="${willSave}" formName="form">
  
  <jsp:attribute name="singleFields">
  
  <c:choose>
  	<c:when test="${fn:length(command.studySites) == 0}">
          <tr>
  			<td>Choose a study site before adding study personnel</td>
  		</tr>
      </c:when>
      <c:otherwise>
          <c:set var="selected_site" value="0"/>
          <c:if test="${not empty selectedSite}">
              <c:set var="selected_site" value="${selectedSite}"/>
          </c:if>
    <div>
        <input type="hidden" name="_action" value="">
        <input type="hidden" name="_selected" value="">
  