anchor.diff:  		<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"><em></em><fmt:message key="registration.enrollingPhysician"/></div>
  +		<div class="label"><c:if test="${hasInv}"><tags:requiredIndicator /></c:if><fmt:message key="registration.enrollingPhysician"/></div>
   		<div class="value">
   		<c:choose>
  -		<c:when test="${fn:length(command.studySubject.studySite.activeStudyInvestigators)>0}">
  +		<c:when test="${hasInv}">
   			<select id ="treatingPhysician" name="studySubject.treatingPhysician">
   				<option value="">Please select...</option>
   				<c:forEach items="${command.studySubject.studySite.activeStudyInvestigators}" var="activeInv">
  
positive.code: 								return flag;
  							//if($("treatingPhysician").value!=""){
  							//	$('otherTreatingPhysician').value="";
  							//}
  							if($("studyDiseaseSelect").value!=""){
  								$('otherDisease').value="";
  							}
  
negative.code: 
  <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
  
  <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');
  