DOMNode->isSameNode()
DOMNode->isSameNode() -- 
   Indicates if two nodes are the same node
  
Description
class 
DOMNode { 
bool 
isSameNode ( DOMNode node )
}
   This function indicates if two nodes are the same node.
   The comparison is not based on content
  
Return Values
   Returns TRUE on success or FALSE on failure.