code: function( side ) {
  			var position = this.options[side].position;
  			return typeof position.left !== 'undefined' ?
  				this.getPixels(position.left, 'x') :
  				this.getXFromRight(this.getPixels(position.right, 'x'));
  		}
docs: Grabs the x position of either the left or right side/controls
  @param {string} side - 'left', 'right'