dojo.require("dijit.dijit"); // optimize: load dijit layer
    dojo.require("dijit.form.TextBox");
    dojo.require("dojo.parser"); // scan page for widgets
	
var numSpans = 3;
var currentSpan = 0;


var tickerInterval = window.setInterval("changeNews()", 6000);


function changeNews()
{

var newsItem = "#news" + currentSpan;
dojo.query(newsItem).style({display:"none"});
           currentSpan = (currentSpan >= numSpans) ? 1 : currentSpan + 1;
           dojo.query("#news" + currentSpan).style({display:""});
console.log(currentSpan);
}

function prevNews()
{
clearInterval(tickerInterval);
var newsItem = "#news" + currentSpan;
dojo.query(newsItem).style({display:"none"});
           currentSpan = (currentSpan <= 1) ? numSpans : currentSpan - 1;
           dojo.query("#news" + currentSpan).style({display:""});
console.log(currentSpan);
}

function advanceNews()
{
 clearInterval(tickerInterval);
 changeNews();
}

dojo.addOnLoad(function(){

 changeNews();
 });