function getFeed(){
	/*Twitter feed*/
	// Call the Twitter API to retrieve the last 10 tweets in JSON format for the pcpro Twitter account
	$.getJSON("http://twitter.com/statuses/user_timeline.json?screen_name=noneed4mirrors&count=5&callback=?", function(tweetdata) {		
		// Grab a reference to the ul element which will display the tweets
		var tl = $("#tweet-list");
	
		// For each item returned in tweetdata
		$.each(tweetdata, function(i,tweet) {
			// Append the info in li tags to the ul, converting any links to HTML <a href=.. code and convert the tweeted date
			// to a more readable Twitter format
			tl.append("<li><a href='http://twitter.com/#!/noneed4mirrors' class='twitteruser'><b>@noneed4mirrors</b></a> " + urlToLink(tweet.text) + "... <span class='twitterdate'>" + relTime(tweet.created_at) + "</span></li>");
		});
	});
}

        
// Converts any links in text to their HTML <a href=""> equivalent
function urlToLink(text) {
	var exp = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/ig;
	return text.replace(exp,"<a href='$1'>$1</a>"); 
}



// Takes a time value and converts it to "from now" and then returns a relevant text interpretation of it
function relTime(time_value) {

	time_value = time_value.replace(/(\+[0-9]{4}\s)/ig,"");
	
	var parsed_date = Date.parse(time_value);
	var relative_to = (arguments.length > 1) ? arguments[1] : new Date();
	var timeago = parseInt((relative_to.getTime() - parsed_date) / 1000);			
	
	if (timeago < 60) return 'less than a minute ago';
	
	else if(timeago < 120) return 'about a minute ago';
	
	else if(timeago < (45*60)) return (parseInt(timeago / 60)).toString() + ' minutes ago';
	
	else if(timeago < (90*60)) return 'about an hour ago';
	
	else if(timeago < (24*60*60)) return 'about ' + (parseInt(timeago / 3600)).toString() + ' hours ago';
	
	else if(timeago < (48*60*60)) return '1 day ago';
	
	else return (parseInt(timeago / 86400)).toString() + ' days ago';

}