code: function isContained(aContainers, oRef) {
  			for (var i = 0; i < aContainers.length; i++) {
  				if (aContainers[i] === oRef || jQuery.contains(aContainers[i], oRef)) {
  					return true;
  				}
  			}
  			return false;
  		}
docs: Checks whether the given DomRef is contained or equals (in) one of the given container