var all_sites = new Array();
var all_article_titles = new Array();
var all_article_synopses = new Array();
var sponsored_article_index = 1;
var sponsored_article_div = null;

setInterval("next_article()", 4000);

var new_content = "";

function next_article() {
	var num_articles = all_article_titles.length;
	if (num_articles == 0)
		return false;

	if (sponsored_article_index >= num_articles)
		sponsored_article_index = 0;

	var site = all_sites[sponsored_article_index];
	var title = all_article_titles[sponsored_article_index];
	var synopsis = all_article_synopses[sponsored_article_index];

	sponsored_article_div = document.getElementById("sponsored_article");


	new_content = site + title + synopsis;
	new Effect.Fade(sponsored_article_div, {duration: 0.25});

	setTimeout("sponsored_article_div.innerHTML = new_content; new Effect.Appear(sponsored_article_div, {duration: 0.25})", 400);

	sponsored_article_index++;
}