Dynamic updating of :first-child and :last-child

CSS 3 Module	<== Test # ==>
W3C Selectors	300 of 306
Testing	Date	Revision
Dynamic updating of :first-child and :last-child (ID #d4)	2004-03-03	1.1

NOTE: The UA must support ECMA-262 and DOM Level 2 Core for this test.