function rot13(Str) {
	var keycode	= "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	var Ret = new String();

	for(var i = 0; i < Str.length; i++) {
		var codechar = Str.substring(i, i + 1);
		var pos = keycode.indexOf(codechar.toUpperCase());

		if(pos >= 0) {
			pos = (pos + keycode.length / 2) % keycode.length;
			codechar = (codechar == codechar.toUpperCase()) ? keycode.substring(pos, pos + 1) : keycode.substring(pos, pos + 1).toLowerCase();
		}
		Ret	= Ret + codechar;
	}
	return Ret;
}
function uncryptMail(Str) {
	var Mail = rot13(Str);
	return '<a href="mailto:'+Mail+'">'+Mail+'</a>';
}