docs: function setPosition(boundingBox, top, left, height, width) {
          var style = boundingBox.style;
          if (height <= 0 || width <= 0) {
              style.display = 'none';
              return false;
          }
          style.display = ''
          style.top = top + 'px';
          style.left = left + 'px';
          style.height = height + 'px';
          style.width = width + 'px';
          style.position = 'absolute';
      }