var arrBG=[];

arrBG.push("http://www.northportlax.com/images/player-boy.png");
arrBG.push("http://www.northportlax.com/images/player-girl.png");
arrBG.push("http://www.northportlax.com/images/player-girl2.png");
arrBG.push("http://www.northportlax.com/images/player-boy2.png");

var randy = Math.floor(Math.random()*(arrBG.length));

if(document.body){
	document.body.style.backgroundImage = "url("+arrBG[randy]+")";
}