function getTweet(id, count, callback) {
	var url = 'http://twitter.com/statuses/user_timeline.json?screen_name='+id+'&count='+count+'&callback=?';
	$.getJSON(url, null, callback);
}
function autoLink(str) {
	str = str.replace(/(https?:\/\/[-_.!~*\'()a-zA-Z0-9;\/?:@&=+$,%#]+)/, '<a href="$1">$1</a>');
	str = str.replace(/RT @([-_.!~*\'()a-zA-Z0-9;\/?@&=+$,%#]+):/, '<strong><a href="http://twitter.com/$1" class="tweet-url screen-name">$1</a></strong>');
	str = str.replace(/@([-_.!~*\'()a-zA-Z0-9;\/?:@&=+$,%#]+)/, '@<a href="http://twitter.com/$1" class="tweet-url username">$1</a>');
	return str;
}
function relative_time(time_value) {
	time_values = time_value.split(" ");
	time_value = time_values[1]+" "+time_values[2]+", "+time_values[5]+" "+time_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';
	}
}