func subNode(xn *xmlx.Node, name string) (sn *xmlx.Node) {
if sn = xn.SelectNode(ns, name); sn == nil {
if sn = xn.SelectNode("", name); sn == nil {
sn = xn.SelectNode("*", name)
}
}
return
}
func xcn(xn *xmlx.Node, name string) (cn *xmlx.Node) {
if cn = xn.SelectNode(xmlns, name); cn == nil {
if cn = xn.SelectNode("", name); cn == nil {
cn = xn.SelectNode("*", name)
}
}
return
}