function replaceURLWithHTMLLinks(text) {
    var exp = /(\b(https?|ftp|file):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/i;
    return text.replace(exp,"<a href='$1'>$1</a>"); 
}


function tweetagCallback(json)
{
	html  = "<a href='http://twitter.com/"+json.user.screen_name+"' target='_blank'>";
	html += "<img src='"+json.user.profile_image_url+"' class='avatar' style='border:1px solid #BBB;float:left;margin-right:5px;' />";
	html += "</a>";	
	html += "<a href='http://twitter.com/"+json.user.screen_name+"' target='_blank'>";
	html += "<span class='screen_name' style='font-weight:bold;margin-right:3px;'>"+json.user.screen_name+"</span>";
	html += "</a>";	
	html += "<div class='tweet_text' style=''>" +replaceURLWithHTMLLinks(json.text)+"</div>";
	html += "<span class='time' style='display:block;float:left;font-size:7pt;'>"+time_since(Date.parse(json.created_at))+"</span>";
	html += "<span class='followme' style='float:right'><a href='http://twitter.com/"+json.user.screen_name+"/status/"+json.id+"' target='_blank'>View on Twitter</a></span>";
	document.write("<div class='tweetag_status' style='padding:10px;border:1px solid #BBB;overflow:hidden;height=75px;width:400px;'>"+html+"</div>");	
}

function time_since(original) {

	var foo = new Date; // Generic JS date object
	var unixtime_ms = foo.getTime(); // Returns milliseconds since the epoch
	var today = Math.floor(unixtime_ms / 1000); /* Current unix time  */

//	original = original - 12*3600;
	original = original.toString().substr(0,10);
//	console.info("unix time: %i tweet time: %i - difference: %i",today,original,(today-original));

	var since = today - original;
	//console.debug(since);
	if(window.console)
		console.info("epoch: %s - %s = %s",today,original,since);

	var toprint="",days,hours,minutes;
	
	if(since>(24*3600))
	{
		days = Math.floor(since/(3600*24));
		toprint += days+" day";
		if(days>1)
			toprint += "s";
		toprint += " ";
		since = since%(24*3600);
	}
	if(since>3600)
	{
		hours = Math.floor(since/3600);
		toprint += hours+" hour";
		if(hours>1)
			toprint += "s";
		toprint += " ";
		since = since%3600;
	}
	
	if(since>60)
	{
		minutes = Math.floor(since/60);
		toprint += minutes+" minute";
		if(minutes>1)
			toprint += "s";
		toprint += " ";
		since = since%60;
	}
	else
		toprint = "less than a minute";
	// toprint += since+" seconds";

	toprint += " ago";
	
	return toprint;
}

tweetagCallback({"in_reply_to_status_id":null,"created_at":"Sun Aug 02 19:02:43 +0000 2009","geo":null,"coordinates":null,"in_reply_to_screen_name":null,"truncated":false,"retweeted":false,"source":"<a href=\"http://birdfeedapp.com\" rel=\"nofollow\">Birdfeed</a>","favorited":false,"contributors":null,"place":null,"in_reply_to_user_id":null,"user":{"geo_enabled":true,"description":"Co-founder/CEO, Affinity China - a Chinese luxury travel & lifestyle network. + advisor to Tudou.com, a leading online video platform & media house in China.","lang":"en","profile_background_tile":true,"created_at":"Sat Jul 28 11:19:52 +0000 2007","profile_link_color":"db2c55","location":"LAX / SFO / PVG / HNL","verified":false,"follow_request_sent":null,"notifications":null,"profile_sidebar_fill_color":"ffffff","following":null,"profile_image_url":"http://a3.twimg.com/profile_images/1103483627/noh8twitter_normal.jpg","profile_sidebar_border_color":"ffffff","followers_count":14488,"screen_name":"christinelu","listed_count":1122,"friends_count":1966,"protected":false,"statuses_count":38305,"profile_use_background_image":true,"time_zone":"Pacific Time (US & Canada)","profile_background_color":"131516","name":"Christine Lu","show_all_inline_media":false,"favourites_count":21,"id":7782442,"contributors_enabled":false,"profile_background_image_url":"http://a1.twimg.com/profile_background_images/130824052/bg2.gif","utc_offset":-28800,"profile_text_color":"333333","url":"http://www.christinelu.me"},"retweet_count":null,"id":3090396340,"text":"passed a conference attendee smoking outside Moscone Center. his badge said 13th Annual Conference on Lung Cancer. #irony"});