anchor.diff:  
       // Show and hide on F1 and ESC key respectively
       var _this = this;
  -    $(document).keyup(function (e) {
  +    $('body').keyup(function (e) {
           if (e.keyCode == 27 && _this.familiarityRenderedFlag) { //ESC key pressed
               _this.familiarityView(false);
           }
  
positive.code:         if (e.keyCode == 39 && _this.familiarityRenderedFlag) { //RIGHT arrow key pressed
              _this.showNextBubble()
          }
      });
  }
  Familiarity.prototype = {
      familiarity_hash_keys: function () {
  
negative.code:         this.showOneByOne();
      },
      showOneByOne: function () {
  //        console.log(this.familiarity_hash_pointer);
  //        console.log(this.familiarity_hash);
  //        console.log(this.familiarity_bubbles);
          this.hideFBubbles();
          return this.showFBubble();
      },
  