code: function ScaledElement(element, width, height, scaleFont) {
  
          /**
           * The width of this ScaledElement, in arbitrary units, relative to
           * other ScaledElements.
           *
           * @type {Number}
           */
           this.width = width;
  
          /**
           * The height of this ScaledElement, in arbitrary units, relative to
           * other ScaledElements.
           *
           * @type {Number}
           */
           this.height = height;
   
          /**
           * Resizes the associated element, updating its dimensions according to
           * the given pixels per unit.
           *
           * @param {Number} pixels
           *     The number of pixels to assign per arbitrary unit.
           */
          this.scale = function(pixels) {
  
              // Scale element width/height
              element.style.width  = (width  * pixels) + "px";
              element.style.height = (height * pixels) + "px";
  
              // Scale font, if requested
              if (scaleFont) {
                  element.style.lineHeight = (height * pixels) + "px";
                  element.style.fontSize   = pixels + "px";
              }
  
          };
  
      }
docs: An element whose dimensions are maintained according to an arbitrary
  scale. The conversion factor for these arbitrary units to pixels is
  provided later via a call to scale().
  
  @private
  @constructor
  @param {Element} element
  The element whose scale should be maintained.
  
  @param {Number} width
  The width of the element, in arbitrary units, relative to other
  ScaledElements.
  
  @param {Number} height
  The height of the element, in arbitrary units, relative to other
  ScaledElements.
  
  @param {Boolean} [scaleFont=false]
  Whether the line height and font size should be scaled as well.