anchor.diff:  			}
   		});
   	}
  +
  +	function toggleSearchEngine() {
  +		var row = document.getElementById("searchEnginePOS");
  +		if (row.style.display == '')
  +			row.style.display = 'none';
  +		else
  +			row.style.display = '';
  +	}
   </script>
   
   
  
positive.code: 			</tr>
  		</thead>
  		<tbody>
  			<c:forEach var="concept" items="${result}">
  				<tr class="gradeX">
  					<td align="justify"><font size="2"><a
  							onclick="detailsView(this);" id="${concept.entry.id}">Details</a></font></td>
  
negative.code: 			</select></td>
  		</tr>
  		<tr>
  			<td>Search:</td>
  			<td><select name="searchengine" onchange="toggleSearchEngine()">
  					<option value="wordnet">WordNet</option>
  					<option value="viaf">Viaf</option>
  			</select></td>
  		</tr>
  		<tr>
  			<td colspan="2"><input type="submit" value="Search"></td>
  		</tr>
  	</table>
  </form>
  
  <c:if test="${not empty conceptsresult}">
  	<table cellpadding="0" cellspacing="0" class="display dataTable"
  		id="conceptSearchResult">
  		<thead>
  			<tr>
  				<th></th>
  