| 1 | /*************************************************************************** |
| 2 | * Copyright (C) 2003-2006 Polytechnique.org * |
| 3 | * http://opensource.polytechnique.org/ * |
| 4 | * * |
| 5 | * This program is free software; you can redistribute it and/or modify * |
| 6 | * it under the terms of the GNU General Public License as published by * |
| 7 | * the Free Software Foundation; either version 2 of the License, or * |
| 8 | * (at your option) any later version. * |
| 9 | * * |
| 10 | * This program is distributed in the hope that it will be useful, * |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 13 | * GNU General Public License for more details. * |
| 14 | * * |
| 15 | * You should have received a copy of the GNU General Public License * |
| 16 | * along with this program; if not, write to the Free Software * |
| 17 | * Foundation, Inc., * |
| 18 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
| 19 | ***************************************************************************/ |
| 20 | |
| 21 | |
| 22 | Nix = { |
| 23 | map: null, |
| 24 | convert: function(a) { |
| 25 | Nix.init(); |
| 26 | var s = ''; |
| 27 | for (i = 0; i < a.length ; i++) { |
| 28 | var b = a.charAt(i); |
| 29 | s += ((b >= 'A' && b <= 'Z') || (b >= 'a' && b <= 'z') ? Nix.map[b] : b); |
| 30 | } |
| 31 | return s; |
| 32 | }, |
| 33 | init: function() { |
| 34 | if (Nix.map != null) |
| 35 | return; |
| 36 | var map = new Array(); |
| 37 | var s='abcdefghijklmnopqrstuvwxyz'; |
| 38 | for (i = 0; i < s.length; i++) |
| 39 | map[s.charAt(i)] = s.charAt((i+13)%26); |
| 40 | for (i=0; i<s.length; i++)map[s.charAt(i).toUpperCase()] = s.charAt((i+13)%26).toUpperCase(); |
| 41 | Nix.map = map; |
| 42 | }, |
| 43 | decode: function(a) { |
| 44 | document.write(Nix.convert(a)); |
| 45 | } |
| 46 | } |
| 47 | |