anchor.diff:                      direction : "up"
                }, 90);
               }
  +    },
  +    history_button_hide : function() {
  +        
  +        if($("#refreshHistory").is(':visible')) {
  +            $("#refreshHistory").css('display', 'none');
  +        }
  +    },
  +    history_button_show : function() {
  +        if(!$("#refreshHistory").is(':visible')) {
  +            $("#refreshHistory").css('display', 'block');
  +        }
       },
       history : function() {
            userHistory.updateHistory();
  
positive.code:     } else {
          Prefs.set("searchList", testResult.patchedArray.join('|'));
      }
      settings.currentTerm = search;
       
  }
  
negative.code:            
          }
  
      } else {
           Behaviors.history_button_hide();
      }
  
     this.updateHistory();
  