anchor.diff:                  query();
               }
           }
  +        var loc = false;
  +        function addToMyNewWordsBook(word){
  +            if (loc) {
  +                return;
  +            }
  +            loc = true;
  +            $.ajax({
  +                url: "definition.jsp?new_word="+word, 
  +                success: function(result){
  +                    $("#action_add_to_my_new_words").html(result);
  +                }
  +            });
  +        }
       </script>
   </head>
   <body id="top">
  
positive.code:             .append("</td></tr>");
  
      definitionHtmls.append("</table>")
              .append("<br/><br/>");
  
      definitionHtmls.append("<font color=\"red\">Other English Dictionaries's definition: </font>").append(otherDictionary.toString());
  %>
  
negative.code: <%@ page import="org.apdplat.superword.model.UserWord" %>
  <%@ page import="java.util.Date" %>
  <%@ page import="org.apdplat.superword.tools.*" %>
  <%@ page import="org.apache.commons.lang.StringUtils" %>
  <%@ page import="org.apdplat.superword.model.MyNewWord" %>
  
  <%@ page contentType="text/html;charset=UTF-8" language="java" %>
  
  <%
      User user = (User)request.getSession().getAttribute("user");
      
      String newWord = request.getParameter("new_word");
      if(StringUtils.isNotBlank(newWord)
              && user != null
              && StringUtils.isNotBlank(user.getUserName())){
          MyNewWord myNewWord = new MyNewWord();
          myNewWord.setWord(newWord);
          myNewWord.setDateTime(new Date());
          myNewWord.setUserName(user.getUserName());
          MySQLUtils.saveMyNewWordsToDatabase(myNewWord);
          out.println(newWord+" has been added to <a href=\"history/my-new-words-book.jsp\">my new words book</a>");
          return;
      }
      
      String word = request.getParameter("word");
      if(StringUtils.isBlank(word)){
          word = "fantastic";
      }
      word = word.trim();
  
      UserWord userWord = new UserWord();
      userWord.setDateTime(new Date());
  