var imgArray = [


"images/bgs/background3.jpg",
"images/bgs/background4.jpg",
"images/bgs/background5.jpg",
"images/bgs/background6.jpg",

"images/bgs/background8.jpg",
"images/bgs/background9.jpg",

"images/bgs/background10.jpg",
"images/bgs/background11.jpg",
"images/bgs/background12.jpg"
];

function ranNum()	{
			return Math.floor(Math.random()*imgArray.length);
			}

var ranNum = ranNum();

document.body.background = imgArray[ranNum];