code: function( loc ) {
  			// create a ghost by cloning the source element and attach the clone to the dom after the source element
  			var ghost = this.movingElement.clone().css('position', 'absolute');
  			(loc ? $(loc) : this.movingElement).after(ghost);
  			ghost.width(this.movingElement.width()).height(this.movingElement.height());
  
  			// store the original element and make the ghost the dragged element
  			this.movingElement = ghost;
  			this._removeMovingElement = true;
  			return ghost;
  		}
docs: Clones the element and uses it as the moving element.
  @return {jQuery.fn} the ghost