ROT-13 letter substitution cipher. For obfuscation because of virtually absent, level of security.

rot13.js

//http://en.wikipedia.org/wiki/Rot13

//var name = "Brian Teachman";
//var token = "Oevna Grnpuzna";

function rot13(name) {
	var lt1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz ";
	var lt2 = "NOPQRSTUVWXYZABCDEFGHIJKLMnopqrstuvwxyzabcdefghijklm ";

	var result = "";
	for (var char=0; char<name.length; char++) {
		for (var i=0; i<lt1.length; i++) {
			if (name[char] === lt1[i]) {
				result += lt2[i];
			}
		}
	}
	return result;
}
//result = rot13("name");
anzr = rot13("Brian Teachman");
console.log(anzr); // Oevna Grnpuzna