window.onload = rotate;

function rotate(element) {
var x = document.getElementById('home');
var n = Math.round(6*Math.random());

	switch (n) {
		case 0:
			x.src = "img/home-01.gif";
			break;
		case 1:
			x.src = "img/home-02.gif";
			break;
		case 2:
			x.src = "img/home-03.gif";
			break;
		case 3:
			x.src = "img/home-04.gif";
			break;
		case 4:
			x.src= "img/home-05.gif";
			break;
		case 5:
			x.src= "img/home-06.gif";
			break;
		case 6:
			x.src= "img/home-07.gif";
			break;	
		}
}