function doPopUpCredit() {
	newWindow = window.open("credits.asp", "video", "scrollbars=yes,resizable=yes,width=300,height=250");
	newWindow.focus();
}
function doPopUpMappa(page, w, h) {
	newWindow = window.open(page, "video", "scrollbars=yes,resizable=yes,width=" + w + ",height=" + h + "");
	newWindow.focus();
}