if (document.images) {
	var logo_on = new Image();
	logo_on.src = "images/logo_top_on.jpg";

	var logo_off = new Image();
	logo_off.src = "images/logo_top.jpg";

}

function rollOver(x, y) {
	document.images[x].src = y.src;
}

function loadband(x) {
	if (x[x.selectedIndex].value != "") {
		document.location.href = x[x.selectedIndex].value + ".html";
	}
}