code: function findTabbables(oRef, aScopes, bNext) {
  			var $Ref = jQuery(oRef),
  				$All, $Tabbables;
  
  			if (bNext) {
  				$All = jQuery.merge($Ref.find("*"), jQuery.merge($Ref.nextAll(), $Ref.parents().nextAll()));
  				$Tabbables = $All.find(':sapTabbable').addBack(':sapTabbable');
  			} else {
  				$All = jQuery.merge($Ref.prevAll(), $Ref.parents().prevAll());
  				$Tabbables = jQuery.merge($Ref.parents(':sapTabbable'), $All.find(':sapTabbable').addBack(':sapTabbable'));
  			}
  
  			var $Tabbables = jQuery.unique($Tabbables);
  			return $Tabbables.filter(function() {
  				return isContained(aScopes, this);
  			});
  		}
docs: Returns a jQuery object which contains all next/previous (bNext) tabbable DOM elements of the given starting point (oRef) within the given scopes (DOMRefs)