code: function() {
        WireIt.CanvasContainer.superclass.render.call(this);
  
  		this.canvasEl = new WireIt.CanvasElement(this.bodyEl);
  		this.canvasEl.SetCanvasRegion(0,0, this.width, this.height );
  		this.canvasWidth = this.width;
  		this.canvasHeight = this.height;
  		this.drawCanvas();
     }
docs: Add the image property as a background image for the container
  @method render