code: function() {
          this.imageSrc = null;
          this.imageSize = null;
          this.isAlphaImage = null;
  
          this.fixedRelativePosition = false;
          this.positionBlocks = null;
  
          //remove our blocks
          for(var i = 0; i < this.blocks.length; i++) {
              var block = this.blocks[i];
  
              if (block.image) {
                  block.div.removeChild(block.image);
              }
              block.image = null;
  
              if (block.div) {
                  this.groupDiv.removeChild(block.div);
              }
              block.div = null;
          }
          this.blocks = null;
  
          OpenLayers.Popup.Anchored.prototype.destroy.apply(this, arguments);
      }
docs: APIMethod: destroy