var tweetUsers = ['leafcomms','leafcomms'];
// The twitter accounts that will be included in the ticker

var buildString = "";

$(document).ready(function(){

	// After the page is loaded

	$('#twitter-ticker').slideDown('slow');
	// Show the ticker

	for(var i=0;i<tweetUsers.length;i++)
	{
		// Build the search api parameters
		if(i!=0) buildString+='+OR+';
		buildString+='from:'+tweetUsers[i];
	}

	var fileref = document.createElement('script');
	// Creating a new script element

	fileref.setAttribute("type","text/javascript");
	fileref.setAttribute("src", "http://search.twitter.com/search.json?q="+buildString+"&callback=TweetTick&rpp=2");
	// Setting its src to the search API URL; We provide TweetTick as a callback

	document.getElementsByTagName("head")[0].appendChild(fileref);
	// Appending it to the head of the page and thus executing it
});

function TweetTick(ob)
{
	// This is the callback function

	var container=$('#tweet-container');
	container.html('');
	// Removing the loading gif animation

	$(ob.results).each(function(el){

		// ob contains all the tweets

		var str = '	<div class="tweet tweet_'+el+'">\
		<div class="user"></div>\
		<a href="http://twitter.com/'+this.from_user+'/status/'+this.id+'" target="_blank"><p>'+formatTwitString(this.text)+'</p><em>'+relativeTime(this.created_at)+'</em></a>\
		</div>';
		container.append(str);
		// Adding the tweet to the container
	});

	}

function formatTwitString(str)
{
	// This function formats the tweet body text

	str=' '+str;

	str = str.replace(/((ftp|https?):\/\/([-\w\.]+)+(:\d+)?(\/([\w/_\.]*(\?\S+)?)?)?)/gm,'<a href="$1" target="_blank">$1</a>');
	// The tweets arrive as plain text, so we replace all the textual URLs with hyperlinks

	str = str.replace(/([^\w])\@([\w\-]+)/gm,'$1@<a href="http://twitter.com/$2" target="_blank">$2</a>');
	// Replace the mentions

	str = str.replace(/([^\w])\#([\w\-]+)/gm,'$1<a href="http://twitter.com/search?q=%23$2" target="_blank">#$2</a>');
	// Replace the hashtags

	return str;
}

function relativeTime(pastTime)
{
	// Generate a JavaScript relative time for the tweets

	var origStamp = Date.parse(pastTime);
	var curDate = new Date();
	var currentStamp = curDate.getTime();
	var difference = parseInt((currentStamp - origStamp)/1000);

	if(difference < 0) return false;

	if(difference <= 5)			return "Just now";
	if(difference <= 20)			return "Seconds ago";
	if(difference <= 60)			return "A minute ago";
	if(difference < 3600)		return parseInt(difference/60)+" minutes ago";
	if(difference <= 1.5*3600) 	return "One hour ago";
	if(difference < 23.5*3600)	return Math.round(difference/3600)+" hours ago";
	if(difference < 1*24*3600)	return "One day ago";
	if(difference < 2*24*3600)	return "Two days ago";
	if(difference < 3*24*3600)	return "Three days ago";
	if(difference < 4*24*3600)	return "Four days ago";
	if(difference < 5*24*3600)	return "Five days ago";
	if(difference < 6*24*3600)	return "Six days ago";
	if(difference < 7*24*3600)	return "One week ago";
	if(difference < 8*24*3600)	return "Over a week ago";
}