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

USAGE:
<script type="text/javascript">

    $(function() {
    $('#contact').attr('href', $.rotate13('znvygb:zr@grfg.pbz')).text(
        $.rotate13('znvygb:zr@grfg.pbz'));
    });

</script>
</head>
<body>
<p>
    If you wish to contact it is easiest to reach me by email. My email address:

    <a id="contact"></a>
</p>
*/

(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)