/* GZIP on the fly by Raccoon Framework http://www.wt.com.mx/ */
// JavaScript Document

var NewsPlayer = {
	buttons: null,
	contents: null,
	index: 0,
	size: 0,
	time: 7000,
	init: function()
	{
		Event.observe(window, "load", function() {
			NewsPlayer.buttons = $$("div.newsplayer_btn");
			NewsPlayer.contents = $$("div.newsplayer_content");
			NewsPlayer.size = NewsPlayer.buttons.size();
			window.setInterval(NewsPlayer.play, NewsPlayer.time);
		});
	},
	change: function(index)
	{
		NewsPlayer.buttons.each(function(btn) {
			btn.removeClassName("boton_news_activo");
			btn.addClassName("boton_news");
		});
		NewsPlayer.buttons[index].removeClassName("boton_news");
		NewsPlayer.buttons[index].addClassName("boton_news_activo");
		
		NewsPlayer.contents.each(function(content) {
			content.removeClassName("noticia_activa");
			content.addClassName("noticia_inactiva");
		});
		NewsPlayer.contents[index].removeClassName("noticia_inactiva");
		NewsPlayer.contents[index].addClassName("noticia_activa");
	},
	play: function()
	{
		NewsPlayer.index++;
		if (NewsPlayer.index === NewsPlayer.size)
		{
			NewsPlayer.index = 0;
		}
		NewsPlayer.change(NewsPlayer.index);
	}
};
NewsPlayer.init();