(no version information, might be only in CVS)
DOMNode->replaceChild() -- 
   Replaces a child
  
Description
class 
DOMNode { 
DOMNode 
replaceChild ( DOMNode newnode, DOMNode oldnode )
}
   This function replaces the child oldnode 
   with the passed new node. If the new node is already a child it 
   will not be added a second time. If the replacement succeeds the 
   old node is returned.