function relative_time(time_value) {
var values = time_value.split(" ");
time_value = values[1] + " " + values[2] + ", " + values[5] + " " + values[3];
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);
delta = delta + (relative_to.getTimezoneOffset() * 60);

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;
document.getElementById('my_twitter_status_time').innerHTML = relative_time(obj[0].created_at);
}