anchor.diff:  				       
   				   %>    
   				       &nbsp
  -				       <a href="<%=request.getContextPath() %>/pages/multiple_search.jsf?hide=<%=cs_nm%>">
  +				       <a href="<%=request.getContextPath() %>/pages/multiple_search.jsf?action=hide&dictionary=<%=cs_nm%>">
   				           <font color="red">[hide other versions]</font>
   				       </a> 
   				   <%    
  
positive.code: 			 System.out.println("(*) Multiple versions found in " + info.getCodingScheme() + " version: " + info.getVersion() + " tag: " + info.getTag());
  		     }
  		  }
                  
                    
                    Collections.sort(display_name_vec, new OntologyInfo.ComparatorImpl());
                    
                    
                  }
                  
                  String expand_cs = (String) request.getParameter("show");
                  if (expand_cs != null) {
  		    for (int k = 0; k < display_name_vec.size(); k++) { 
  		       OntologyInfo info = (OntologyInfo) display_name_vec.elementAt(k);
  		       if (expand_cs.compareTo(info.getCodingScheme()) == 0 && info.getHasMultipleVersions()) {
  			   info.setExpanded(true);
  			   break;
  		       }
  		    }                
                  } else {
                      String collapse_cs = (String) request.getParameter("hide");
  		    if (collapse_cs != null) {
  			for (int k = 0; k < display_name_vec.size(); k++) { 
  			   OntologyInfo info = (OntologyInfo) display_name_vec.elementAt(k);
  			   if (collapse_cs.compareTo(info.getCodingScheme()) == 0 && info.getHasMultipleVersions()) {
  			       info.setExpanded(false);
  			       break;
  			   }
  			}                
  		    }               
                  }
                  request.getSession().setAttribute("display_name_vec", display_name_vec);
                 
                  display_name_vec = DataUtils.sortOntologyInfo(display_name_vec);
  
negative.code: 				       
  				   %>    
  				       &nbsp
  				       <a href="<%=request.getContextPath() %>/pages/multiple_search.jsf?action=show&dictionary=<%=cs_nm%>">
  				           <font color="red">[show other versions]</font>
  				       </a> 
  				   <%    
  