var totalTweetsPerSet = 4;
var currentTweetHighlighted = 0;
var currentPage = 1;
var totalPages = 3;
var startIndex = 0;
var twitterImagePath = "/wp-content/plugins/newsWidget/images/";
var rollOverAllowed = false;

var nextSetRange = totalTweetsPerSet*currentPage;

var animationVectors = new Array();
animationVectors[0] = {elemForward:-356,elemBack:0,startTweetIndex:0};
animationVectors[1] = {elemForward:-712,elemBack:-356,startTweetIndex:4};
animationVectors[2] = {elemForward:-1068,elemBack:-712,startTweetIndex:8};

function tweetOver(tweetIndex){
	if(currentTweetHighlighted != tweetIndex && rollOverAllowed == true){
		closeTweet(currentTweetHighlighted);
		openTweet(tweetIndex);
		currentTweetHighlighted = tweetIndex;
	}
}

var _animIn;
function slideTweetsForward(){

	if(currentPage < totalPages){
		var _inAttributes = { 
		   left: { to: animationVectors[currentPage-1].elemForward } 
		};
		tweetOver(animationVectors[currentPage-1].startTweetIndex);
		rollOverAllowed = false;
		currentTweetHighlighted = animationVectors[currentPage].startTweetIndex;
		
		i = document.getElementById('set' + currentPage);
		i.style.backgroundPosition="-103px -52px";
		
		currentPage++;
		i = document.getElementById('set' + currentPage);
		i.style.backgroundPosition="-96px -52px";
		
		_animIn = new YAHOO.util.Anim('twitterTable', _inAttributes, .5, YAHOO.util.Easing.easeIn);
		_animIn.onComplete.subscribe(onSlideIn);
		slideIn();
	}
}

function onSlideIn(){
	rollOverAllowed = true;
}

function slideTweetsBack(){
 
	if(currentPage > 1){
		tweetOver(animationVectors[currentPage-1].startTweetIndex);
		rollOverAllowed = false;
		i = document.getElementById('set' + currentPage);
		i.style.backgroundPosition="-103px -52px";
		currentPage--;
		var _inAttributes = { 
		   left: { to: animationVectors[currentPage-1].elemBack } 
		};
		_animIn = new YAHOO.util.Anim('twitterTable', _inAttributes, .5, YAHOO.util.Easing.easeIn);
		_animIn.onComplete.subscribe(onSlideIn);
		slideIn();
		
		currentTweetHighlighted = animationVectors[currentPage-1].startTweetIndex;
		
		i = document.getElementById('set' + currentPage);
		i.style.backgroundPosition="-96px -52px";
	}
}


function slideIn(){
  _animIn.animate();
}



function openTweet(tweetId){
	var tweetStyle = document.getElementById("tweet" + tweetId).style;
	tweetStyle.backgroundColor = "#e9f3fa";
	tweetStyle.height = "73px";
}

function closeTweet(tweetId){
	var tweetStyle = document.getElementById("tweet" + tweetId).style;
	tweetStyle.backgroundColor = "#D3E7F6";
	tweetStyle.height = "20px";
}

function setTopTweet(){
	openTweet(0);
	openTweet(4);
	openTweet(8);
	rollOverAllowed = true;
}

function twitterWidgetInit() {

	
	setTopTweet();
}