IBM This method declares the attribute specified by node to be of type ID. If the value of the specified attribute is unique then this element node can later be retrieved using getElementById on Document. Note, however, that this simply affects this node and does not change any grammar that may be in use. Invoke setIdAttributeNode on the 4th acronym element using the class attribute (containing entity reference) as a parameter . Verify by calling isId on the attribute node and getElementById on document node. Reset by invoking setIdAttributeNode with isId=false. Jenny Hsu 2003-02-27