/* Twitter Feed Functions */
function twitterCallback2(obj) {
	var twitters = obj;
	var statusHTML = "";
	var username = "";
	var tweet = "";
	// Regex search string
	var find = /(HTTP:\/\/|HTTPS:\/\/)([a-zA-Z0-9.\/&?_=!*,\(\)+-]+)/i;
	// Replace with this
	var replace = "<a href=\"$1$2\" target=\"_blank\">$1$2</a>";
	
	for (var i=0; i<twitters.length; i++){
		username = twitters[i].user.screen_name
		tweet = twitters[i].text;
		tweet = tweet.replace(find , replace);

		statusHTML += ('<li><span>'+tweet+'</span> <a style="font-size:85%" href="http://twitter.com/'+username+'/statuses/'+twitters[i].id+'">'+twitter_relative_time(twitters[i].created_at)+'</a></li>')
	}
	document.getElementById('twitter_update_list').innerHTML = statusHTML;
}
function twitter_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';
	}
}