anchor.diff:  </table>
   <br>
   
  -<script language="JavaScript">
  -<!--//
  -  /* populate a hashtable containing instrument type manufacturers */
  -  var instrumentTypeManufacturers=new Array();    
  -  <c:forEach var="item" items="${allInstrumentTypeToManufacturers}">  	
  -    var manufacturers=new Array();
  -    <c:forEach var="manufacturer" items="${allInstrumentTypeToManufacturers[item.key]}" varStatus="count">
  -  		manufacturers[${count.index}]='${manufacturer}';  	  		
  -    </c:forEach>
  -    instrumentTypeManufacturers['${item.key}'] = manufacturers;
  -  </c:forEach> 
  -  
  -    
  -  function filterAbbreviation() {  
  -    var instrumentType=document.getElementById("instrumentType");
  -    var instrumentAbbr=document.getElementById("instrumentAbbr");
  -    var allInstruments=new Array();    
  -    <c:forEach var="instrument" items="${allInstruments}">  	    
  -     if (instrumentType.value=="${instrument.type}") {
  -          instrumentAbbr.value="${instrument.abbreviation}";
  -      }
  -    </c:forEach> 
  -  }
  -//-->
  -</script>
  -
  
positive.code: 						onkeydown="javascript:fnKeyDownHandler(this, event);"
  						onkeyup="javascript:fnKeyUpHandler_A(this, event); return false;"
  						onkeypress="javascript:return fnKeyPressHandler_A(this, event);"
  						onchange="fnChangeHandler_A(this, event);filterAbbreviation();">
  						<option value="">
  							--?--
  						</option>
  
negative.code: <%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic"%>
  <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
  <script type="text/javascript" src="javascript/editableDropDown.js"></script>
  <script type='text/javascript' src='javascript/InstrumentManager.js'></script>
  <script type='text/javascript' src='dwr/interface/InstrumentManager.js'></script>
  <script type='text/javascript' src='dwr/engine.js'></script>
  
  <table border="0" align="center" cellpadding="3" cellspacing="0"
  	class="topBorderOnly" summary="">
  	<tr>
  	<tr class="topBorder">
  		<td class="formTitle" colspan="4">
  