// Function taken from http://twitter.com/javascripts/blogger.js
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 < (60*60)) {
     return (parseInt(delta / 60)).toString() + ' minutes ago';
   } else if(delta < (120*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';
   }
 }


 // Pulls the last 5 tweets, and prints the first one that isn't a reply to someone
 function getTweet(data) {
 	var tweets = data;

 	for( var i in tweets ) {
 		var tweet = tweets[i];
 		var text = tweet.text;           

 		if( /^@/.test(text) ) continue;
 		else {
 			var user = tweet.user.screen_name;
 			var url = "http://twitter.com/" + user + "/statuses/" + tweet.id;
 			var a = '<a href="' + url + '">' + relative_time( tweet.created_at ) + '</a>'

 			document.getElementById("tweet").innerHTML = text + " " + a ;
 			break;
 		}
 	}
 }