window.onload = choosePic;

var myPix = new Array("images/Banner02.jpg", "images/Banner03.jpg", "images/Banner04.jpg" , "images/Banner05.jpg" , "images/Banner06.jpg" , "images/Banner01.jpg");

function choosePic() {
	randomNum = Math.floor((Math.random() * myPix.length));
	
	document.getElementById("myPicture").src = myPix[randomNum];
	
}