function TwitterDateConverter(time){
	var date = new Date(time),
		diff = (((new Date()).getTime() - date.getTime()) / 1000),
		day_diff = Math.floor(diff / 86400);
 
	if ( isNaN(day_diff) || day_diff < 0 || day_diff >= 31 )
		return;
 
	return day_diff == 0 && (
			diff < 60 && "just now" ||
			diff < 120 && "1 minute ago" ||
			diff < 3600 && Math.floor( diff / 60 ) + " minutes ago" ||
			diff < 7200 && "1 hour ago" ||
			diff < 86400 && Math.floor( diff / 3600 ) + " hours ago") ||
		day_diff == 1 && "Yesterday" ||
		day_diff < 7 && day_diff + " days ago" ||
		day_diff < 31 && Math.ceil( day_diff / 7 ) + " weeks ago"
}


var num = 0;
$(document).ready(function(){
    gettweet();
});

function gettweet(){
    $.getJSON("http://twitter.com/statuses/user_timeline.json?screen_name=arktypvisionlab&count=10&callback=?",
    function (data){
        tnum = data.length;
        $("#tweets").html(data[num].text);
        $('.date').html(TwitterDateConverter(data[num].created_at));
    });
}

$('.left').click(function(){
    num --;
    if (num == -1){ num = (tnum-1); }
    gettweet();
});

$('.right').click(function(){
    num ++;
    if (num == (tnum)){ num = 0; }
    gettweet();
});