anchor.diff:  		//imgObj.onclick =function (e) {showHideParentProtocolGrid(e,'parentProtocol','parentProtocolDropDown');};
   		imgObj.onclick =function (e) {showHideGrid(e,parentProtocolDropDownInfo,ppGrid);};
   		
  -		document.getElementById("studyCalendarEventPoint").removeAttribute("disabled",true);
  -		document.getElementById("sequenceNumber").removeAttribute("disabled",true);
  +		document.getElementById("studyCalendarEventPoint").removeAttribute("readOnly");
  +		document.getElementById("sequenceNumber").removeAttribute("readOnly");
   	}
   }
   
  
positive.code: 					<td width="69%" align="left" class="black_ar">
  						<html:hidden property="principalInvestigatorId"  />
  						<div>
  							<table border="0" width="29%" id="outerTable2" cellspacing="0" cellpadding="0">
  								<tr>
  									<td align="left" width="88%" height="100%" >
  										<div id="piDropDownIddiv" class="x-form-field-wrap" >
  
negative.code: 													onClick="noEventPropogation(event)"
  													autocomplete="off"
  													size="20"
  													class="black_ar_new x-form-text x-form-field x-form-focus"/><img id="piDropDownId" style="top : 0px !important; align:left;" class="x-form-trigger x-form-arrow-trigger" 
  												onclick="showHideGrid(event,investigatorDropDownInfo,piGrid);"
  												src="images/uIEnhancementImages/s.gif"/>
  										</div>
  