anchor.diff:  	if(box.value=='true'){
   		document.getElementById('cooperativeGroups').style.display='none';
   		Effect.OpenUp('cooperativeGroups');
  +	}
  +	if(box.value=='false'){
  +		document.getElementById('cooperativeGroups').style.display='none';
  +		Effect.CloseDown('cooperativeGroups');
   	}
   }
   
  
positive.code: 				<form:options items="${coordinatingCenters}" itemLabel="desc" itemValue="desc" />
  			</form:select>
  		</td>
  		<td class="label"><span class="red">*</span>Center Identifier:</td>
  		<td>
  			<form:input path="identifiers[1].value" size="30" maxlength="30"/>
  			<input type="hidden" name="identifiers[1].type" value="Coordinating Center Identifier"/>
  
negative.code: 			<form:options
  				items="${sponsorCodeRefData}" itemLabel="desc" itemValue="desc" />
  		</form:select></td>
  		<td class="label"><span class="red">*</span><em></em>Sponsor Study Identifier:</td>
  		<td><form:input path="identifiers[0].value" size="30" maxlength="30" cssClass="validate-notEmpty"/></td>
  		<input type="hidden" name="identifiers[0].type" value="Protocol Authority Identifier"/>
  	</tr>	
  	<tr>
  	</tr>
  	<tr>
  		<td><img src="<tags:imageUrl name="spacer.gif"/>"
  			width="1" height="1" class="heightControl"></td>
  