function h2i(h) { var c = h.charCodeAt(0); return (c >= 65 ? c - 7 : c) - 48; } function dc(iid, e) { var im = document.getElementById(iid); if (im != null) im.style.display = 'none'; var r = new String(); var k = (h2i(e.substr(0, 1)) * 16) + h2i(e.substr(1, 1)) ^ k; for (i = e.length - 2; i > 1; i -= 2) r += String.fromCharCode(((h2i(e.substr(i, 1)) * 16) + h2i(e.substr(i + 1, 1)) ^ k)); return r; }