anchor.diff:  							<tags:indicator id="coCenter-indicator" />
   							<div id="coCenter-choices" class="autocomplete"></div>
   							</div>
  -                    </div>				 
  +                    </div>	
  +                    <div class="row">
  +	                       <div class="label required-indicator">Principal Investigator:</div>
  +	                       <div class="value"> <form:hidden id="investigator0-hidden"
  +                                path="studyCoordinatingCenters[0].studyInvestigators[0].healthcareSiteInvestigator"/>
  +		                   		<input type="text" id="investigator0-input" size="30"
  +		                          		value="${command.studyCoordinatingCenters[0].studyInvestigators[0].healthcareSiteInvestigator.investigator.fullName}" class="autocomplete validate-notEmpty"/>
  +		                   		<tags:indicator id="investigator0-indicator"/>
  +		                   		<div id="investigator0-choices" class="autocomplete"></div>
  +		                   		<input type="hidden" name="studyCoordinatingCenters[0].studyInvestigators[0].roleCode"
  +								  		value="Principal Investigator"/>
  +						   		<input type="hidden" name="studyCoordinatingCenters[0].studyInvestigators[0].statusCode" value="Active"/>
  +	                		</div>
  +	            	</div>			 
   			    </div>
   			    
   				<div class="rightpanel">
  
positive.code:           		</div>
            		
            		<div class="leftpanel">
            			<div class="row">
  	                       <div class="label">Principal Investigator:</div>
  	                       <div class="value"> <form:hidden id="investigator0-hidden"
                                  path="studyCoordinatingCenters[0].studyInvestigators[0].healthcareSiteInvestigator"/>
  		                   		<input type="text" id="investigator0-input" size="30"
  		                          		value="${command.studyCoordinatingCenters[0].studyInvestigators[0].healthcareSiteInvestigator.investigator.fullName}" class="autocomplete"/>
  		                   		<tags:indicator id="investigator0-indicator"/>
  		                   		<div id="investigator0-choices" class="autocomplete"></div>
  		                   		<input type="hidden" name="studyCoordinatingCenters[0].studyInvestigators[0].roleCode"
  								  		value="Principal Investigator"/>
  						   		<input type="hidden" name="studyCoordinatingCenters[0].studyInvestigators[0].statusCode" value="Active"/>
  	                		</div>
  	            	</div>
      			</div>
  			</div>
  </chrome:division>
  
negative.code:                               itemValue="desc" />
              </form:select></div>
          </div>
        
          <div class="row">
              <div class="label required-indicator">
  