if (firstChild > -1) return firstChild; firstChild = XMLUtil.getFirstChildId(ownerDocument, gid); return firstChild;
return XMLUtil.getFirstChildId(ownerDocument, gid);
	public long firstChildID() {		if (gid == 0)			return 0;		if (firstChild > -1)			return firstChild;		firstChild = XMLUtil.getFirstChildId(ownerDocument, gid);		return firstChild;	}