var ads = Array();
ads[0]= ["http://www.bigstockphoto.com/images/banner1.gif","http://www.bigstockphoto.com/?refid=MaOLQiLioR","Search. Click. Done. With Bigstock stock photography vectors and images"];
ads[1]= ["http://johnnye.net/assets/ads/fac_promo_dark.png","http://fre.ag/3288n64c","1000s of freelancers & small businesses are discovering a stress-free way to manage their accounting"];
ads[2]= ["https://partners.zferral.com/m/28","http://zfer.us/o762V","Easily Create, Track & Manage Custom Referral Programs with <a href='http://zfer.us/o762V'>zferral.com</a>"];
ads[3]= ["http://themify.me/banners/themify-125x125_2.jpg","http://themify.me/member/go.php?r=3178&i=b1","Beautifully designed wordpress themes from <a href='http://themify.me/member/go.php?r=3178&i=b1'>Themify.me</a>"];
ads[4]= ["http://johnnye.net/assets/ads/mailerlite125x125.gif","http://www.mailerlite.com/a/qijlrvz2ag","MailerLite helps you create great looking email newsletters. No special design or HTML skills are needed."];

function theAd(){
	var adSpace = document.getElementById('adSpace');
	var randNum=Math.floor(Math.random()*(ads.length));
	var toInsert = '<a href="'+ads[randNum][1]+'"><img src="'+ads[randNum][0]+'"></a><span>'+ads[randNum][2]+'</span>';
	adSpace.innerHTML = toInsert;
}


window.onload = theAd();