an almost pointless rot13 filter for Spaz

spaz_filter_rot13.js

Spaz.TimelineFilters.friends.addFilter('rot13', function(d) {
	
	function str_rot13 (str) {
	    // http://kevin.vanzonneveld.net
	    // +   original by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
	    // +   improved by: Ates Goral (http://magnetiq.com)
	    // +   bugfixed by: Onno Marsman
	    // +   improved by: Rafał Kukawski (http://blog.kukawski.pl)
	    // *     example 1: str_rot13('Kevin van Zonneveld');
	    // *     returns 1: 'Xriva ina Mbaariryq'
	    // *     example 2: str_rot13('Xriva ina Mbaariryq');
	    // *     returns 2: 'Kevin van Zonneveld'
	    // *     example 3: str_rot13(33);
	    // *     returns 3: '33'

	    return (str+'').replace(/[a-z]/gi, function(s){
	        return String.fromCharCode(s.charCodeAt(0)+(s.toLowerCase()<'n'?13:-13));
	    });
	}
	
	d.text = str_rot13(d.text);
	
	return d;
});