function getAdUrl(){
var urls = initializeUrls();
var rand = Math.floor(Math.random()*urls.length);
var adUrl = urls[rand];
	
return adUrl;

}

function initializeUrls(){

var url_array = new Array();
 
url_array[0] = "http://referer.us/www.hbatrack.com/click.track?CID=140490&AFID=107266&ADID=713442&SID=ad4";
//SMI

return url_array;

}