while (n != null) { Node ns = n.getNextSibling(); insertBefore(n, refChild); n = ns;
while (n != null) { Node ns = n.getNextSibling(); insertBefore(n, refChild); n = ns;
while (n != null) { Node ns = n.getNextSibling(); insertBefore(n, refChild); n = ns;
while (n != null) { ps = n.getPreviousSibling(); insertBefore(n, ns); ns = n; n = ps;
while (n != null) { ps = n.getPreviousSibling(); insertBefore(n, ns); ns = n; n = ps;
while (n != null) { ps = n.getPreviousSibling(); insertBefore(n, ns); ns = n; n = ps;