protected function NextItem()
	{
		if ( $this->used ) $this->iterator->next();
		$this->used = true;
		return $this->iterator->current(); // getCurrent();
	}
protected function NextItem()
	{
		if ( $this->used ) $this->iterator->next();
		$this->used = true;
		return $this->iterator->current(); // getCurrent();
	}
protected function NextItem ( ) { if ( $ this -> used ) $ this -> iterator -> next ( ) ; $ this -> used = true ; return $ this -> iterator -> current ( ) ; // getCurrent();
 }
NextItem This function is used if the caller uses 'MoveNext' on the iterator
@return XPathItem
NextItem This function is used if the caller uses MoveNext on the iterator