/*
rotator.js
http://www.josephfinsterwald.com
*/

(function(jQuery) {
	jQuery.rotate = function(s) {
		return jQuery.rotate13(jQuery.rotate5(s));
	}
	
	jQuery.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('');
	};
	
	jQuery.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)