$(document).ready(function()
{
  (function($) {
      $.rotate = function(s) {
          return $.rotate13($.rotate5(s));
      }
  
      $.rotate5 = function(s) {
          var b = [],c,i = s.length,a = '0'.charCodeAt(),z = a + 10;
          while (i--) { 
              c = s.charCodeAt(i);
              if (c >= a && c < z) { b[i] = String.fromCharCode(((c - a + 5) % (10)) + a); }
              else { b[i] = s.charAt(i); }
          }
          return b.join('');
      };
  
      $.rotate13 = function(s) {
          var b = [],c,i = s.length,a = 'a'.charCodeAt(),z = a + 26,A = 'A'.charCodeAt(),Z = A + 26;
          while (i--) {
              c = s.charCodeAt(i);
              if (c >= a && c < z) { b[i] = String.fromCharCode(((c - a + 13) % (26)) + a); }
              else if (c >= A && c < Z) { b[i] = String.fromCharCode(((c - A + 13) % (26)) + A); }
              else { b[i] = s.charAt(i); }
          }
          return b.join('');
      };
  })(jQuery)
	
  $.each($("form.cipher"), function(i, form)
  {
      $(form).attr('action', $.rotate13($(form).attr('action')));
  });
  
});