// Via Simon Whatley at http://www.simonwhatley.co.uk/
String.prototype.parseURL = function() {
	return this.replace(/[A-Za-z]+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&\?\/.=]+/, function(url) {
		return url.link(url);
	});
};
String.prototype.parseUsername = function() {
	return this.replace(/[@]+[A-Za-z0-9-_]+/, function(u) {
		var username = u.replace("@","")
		return u.link("http://twitter.com/"+username);
	});
};
String.prototype.parseHashtag = function() {
	return this.replace(/[#]+[A-Za-z0-9-_]+/, function(t) {
		var tag = t.replace("#","%23")
		return t.link("http://search.twitter.com/search?q="+tag);
	});
};
function relative_time(time_value) {
   var parsed_date = Date.parse(time_value);
   var relative_to = (arguments.length > 1) ? arguments[1] : new Date();
   var delta = parseInt((relative_to.getTime() - parsed_date) / 1000);
   if(delta < 60) {
       return 'less than a minute ago';
   } else if(delta < 120) {
       return 'about a minute ago';
   } else if(delta < (45*60)) {
       return (parseInt(delta / 60)).toString() + ' minutes ago';
   } else if(delta < (90*60)) {
       return 'about an hour ago';
   } else if(delta < (24*60*60)) {
       return 'about ' + (parseInt(delta / 3600)).toString() + ' hours ago';
   } else if(delta < (48*60*60)) {
       return '1 day ago';
   } else {
       return (parseInt(delta / 86400)).toString() + ' days ago';
   }
}
function twitterCallback(obj) {
	var id = obj[0].user.id;
	document.getElementById('my_twitter_status').innerHTML = obj[0].text.parseURL().parseUsername().parseHashtag();
	document.getElementById('my_twitter_status_time').innerHTML = relative_time(obj[0].created_at);
}