anchor.diff:  
   <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
   
  -<tags:dwrJavascriptLink objects="anatomicDiseaseSite" />
  -<script>
  +<tags:dwrJavascriptLink objects="anatomicDiseaseSite" />
  +<c:set var="hasInv" value="${fn:length(command.studySubject.studySite.activeStudyInvestigators)>0}"/>
  +<script>
   function manageField(box){
   	if(box.value=='' && box.selectedIndex!=0){
   		new Effect.Appear('otherDisease');
  
positive.code: 								return flag;
  							//if($("treatingPhysician").value!=""){
  							//	$('otherTreatingPhysician').value="";
  							//}
  							if($("studyDiseaseSelect").value!=""){
  								$('otherDisease').value="";
  							}
  
negative.code: 		<div class="value"><tags:dateInput path="studySubject.startDate" /><em> (mm/dd/yyyy)</em><tags:hoverHint keyProp="studySubject.startDate"/></div>
  	</div>
  	<div class="row">
  		<div class="label"><c:if test="${hasInv}"><tags:requiredIndicator /></c:if><fmt:message key="registration.enrollingPhysician"/></div>
  		<div class="value">
  		<c:choose>
  		<c:when test="${hasInv}">
  			<select id ="treatingPhysician" name="studySubject.treatingPhysician">
  				<option value="">Please select...</option>
  				<c:forEach items="${command.studySubject.studySite.activeStudyInvestigators}" var="activeInv">
  