anchor.diff:  		   <th class="dataTableHeader" scope="col" align="left">
   			  &nbsp;
   		   </th>
  -<%		   
  +<%
  +if (src_presentations != null) {
            for (int i = 0; i < src_presentations.length; i++) {
                String rowColor = (i%2 == 0) ? "dataRowDark" : "dataRowLight";
                Presentation p = src_presentations[i];
  
positive.code:           </tr>
      <%
          }
      %>        
          
          
  
negative.code:         
          
      <%
  if (src_superconceptList != null) {    
          for (int i=0; i<src_superconceptList.size(); i++) {
            String s = (String) src_superconceptList.get(i);
            Vector ret_vec = DataUtils.parseData(s, "|");
  