code: function (elId) {
              var carousel = this,
                  cssClass = carousel.CLASSES,
                  el       = Dom.get(elId);
  
              if (!el) {
                  el = createElement("DIV", {
                          className : cssClass.CAROUSEL,
                          id        : elId
                  });
              }
  
              if (!carousel._carouselEl) {
                  carousel._carouselEl=createElement(carousel.get("carouselEl"),
                          { className: cssClass.CAROUSEL_EL });
              }
  
              return el;
          }
docs: Create the Carousel.
  
  @method createCarousel
  @param elId {String} The id of the element to be created
  @protected