var isNav4 = (navigator.appName == "Netscape" &&
parseInt(navigator.appVersion) == 4);

if(parent == window) {
// do nothing if netscape is printing
if(!isNav4 || (isNav4 && window.innerWidth != 0)) {
if(location.replace) {
// replace() keeps page out of history
location.replace("../promo/index.php");
} else {
location.href = "../promo/index.php";
}
}
}