code: function(element, mode) {
  		var style = element.style;
  		switch(mode) {
  			case DOMMode.FULLSCREEN:
  				style.position = "fixed";
  				style.left = "0px";
  				style.top = "0px";
  				style.width = '100%';
  				style.height = '100%';
  				break;
  			case DOMMode.CONTAINER:
  				style.position = "absolute";
  				style.left = "0px";
  				style.top = "0px";
  				style.width = this.canvasContainer.clientWidth + 'px';
  				style.height = this.canvasContainer.clientHeight + 'px';
  				break;
  			default:
  		}
  	}
docs: sets the DOM Mode, which controls the css rules of the canvas element
  @param {String} mode string, enumerated in DOMMode