function timesince(since)
{
	var sinceDate = new Date(since);
	var currentDate = new Date();
	var timeDiff = [];

	var secondsSince = Math.floor((currentDate.getTime() - sinceDate.getTime()) / 1000);
	
	var minutesSince = Math.floor(secondsSince / 60);
	secondsSince -= secondsSince - (minutesSince * 60);

	var hoursSince = Math.floor(minutesSince / 60);
	minutesSince -= hoursSince * 60;

	var daysSince = Math.floor(hoursSince / 24);
	hoursSince -= daysSince * 24;
	
	if (daysSince>0) timeDiff.push(daysSince+' day'+(daysSince>1 ?'s':''));
	if (hoursSince>0) timeDiff.push(hoursSince+' hour'+(hoursSince>1 ?'s':''));
	if (minutesSince>0) timeDiff.push(minutesSince+' minute'+(minutesSince>1 ?'s':''));

	return timeDiff.join(', ');
}

function processTweet(text)
{
	return text.replace(/@([\w]+)/g, '@<a href="http://twitter.com/$1">$1</a>');
}

jQuery(document).ready(function($) {
	var url = 'http://twitter.com/statuses/user_timeline/sammyjay86.json?count=5&callback=?';
	$.getJSON(
		url,
		function(data)
		{
			$('#twitter_content').empty();
			var now = new Date();
			now = now.getTime();
			$.each(data, function(i, item) 
			{
				var text = processTweet(item.text)+' <a href="http://twitter.com/'+item.user.screen_name+'/statuses/'+item.id+'" class="tweet_postlink">'+timesince(item.created_at)+' ago</a> via '+item.source;
				if (item.in_reply_to_screen_name)
					text += ' <a href="http://twitter.com/'+item.in_reply_to_screen_name+'/status/'+item.in_reply_to_status_id+'">in reply to '+item.in_reply_to_screen_name+'</a>';
				$('<li>'+text+'</li>').appendTo('#twitter_content');
			});
		});
});