var newsData = null;
var newsPos = 0;

$(document).ready(function() {
	loadTicker();
});

function loadTicker() {
	$.getJSON('ajax_news.php', function(data) {
		newsData = data;
		showTicker();
	});
}

function showTicker() {
	$('div.news_ticker li.left span').fadeOut(1000);
	$('div.news_ticker li.bg span').fadeOut(1000, function() {
		$('div.news_ticker li.left span').html(newsData.items[newsPos].title).fadeIn(1000);
		$('div.news_ticker li.bg span').html(newsData.items[newsPos].description).fadeIn(1000);
		newsPos++;
		if (newsPos == newsData.items.length) newsPos = 0;
		window.setTimeout('showTicker()', 5000);
	});
}